djvu | fd12c2c16b9b2abaa310b329e7517efa2e740e15ea80aec0d4fac7d2e08c0c2c

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
20-03-2023 01:13

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General

Target

b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
Size

789KB
MD5

4a840c4933e0b53e8176d9c6d4d5cf03
SHA1

1c4f48707754c66a3b7253d1d800c12be559d7ac
SHA256

b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff
SHA512

a291c9593781df010cb042a5e376cfebaab97ec3088f3f88a8f73c6c2d314bebb02a4c6a4e16d8091d27fde5e50d7afa5b2128cbd4e46a048548125c8bded96f
SSDEEP

12288:WOYsss0mhNB25eKHh3MP/a0Soog6fDQFIIk4c/I3yjANf0W1aeZvkmxd8VcW1Zk8:UxKBCHRUySbaIk4c/INfAAMSdBka0

Score

10^/10

djvu vidar d6ef050131e7d5a1d595c51613328971 discovery persistence ransomware spyware stealer

Malware Config

Extracted

Family

djvu

http://zexeq.com/test1/get.php

Attributes

extension
.dazx
offline_id
8EM6M9LqEzIk18qaQ87WiPQ1u84RRdej5V1ovht1
payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-vbVkogQdu2 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0666JOsie

rsa_pubkey.plain

Extracted

Family

vidar

Version

Botnet

d6ef050131e7d5a1d595c51613328971

https://t.me/zaskullz

https://steamcommunity.com/profiles/76561199486572327

http://135.181.87.234:80

Attributes

profile_id_v2
d6ef050131e7d5a1d595c51613328971

Signatures

Detected Djvu ransomware 16 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2136-134-0x0000000004A80000-0x0000000004B9B000-memory.dmp	family_djvu
behavioral2/memory/2708-135-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2708-136-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2708-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2708-141-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2708-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5088-151-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5088-152-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5088-157-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5088-158-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5088-159-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5088-163-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5088-165-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5088-166-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5088-202-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5088-278-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exeb46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exebuild2.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	build2.exe

Executes dropped EXE 4 IoCs

Processes:

build2.exebuild2.exebuild3.exemstsca.exe

pid process

4708 build2.exe
1468 build2.exe
3968 build3.exe
980 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

1468 build2.exe
1468 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

4600 icacls.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
4708	build2.exe
1468	build2.exe
3968	build3.exe
980	mstsca.exe

pid	process
1468	build2.exe
1468	build2.exe

pid	process
4600	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\32f41cc1-358b-4a88-ad64-7c6d672522a9\\b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe\" --AutoStart"	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

8 api.2ip.ua
12 api.2ip.ua
29 api.2ip.ua

flow	ioc
8	api.2ip.ua
12	api.2ip.ua
29	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

Processes:

b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exeb46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exebuild2.exe

description	pid	process	target process
PID 2136 set thread context of 2708	2136	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 1108 set thread context of 5088	1108	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 4708 set thread context of 1468	4708	build2.exe	build2.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

build2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4336 schtasks.exe
3032 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

4188 timeout.exe

pid	process
4336	schtasks.exe
3032	schtasks.exe

pid	process
4188	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exeb46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exebuild2.exe

pid	process
2708	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
2708	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
5088	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
5088	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
1468	build2.exe
1468	build2.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exeb46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exeb46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exeb46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exebuild2.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 2136 wrote to memory of 2708	2136	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2136 wrote to memory of 2708	2136	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2136 wrote to memory of 2708	2136	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2136 wrote to memory of 2708	2136	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2136 wrote to memory of 2708	2136	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2136 wrote to memory of 2708	2136	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2136 wrote to memory of 2708	2136	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2136 wrote to memory of 2708	2136	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2136 wrote to memory of 2708	2136	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2136 wrote to memory of 2708	2136	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2708 wrote to memory of 4600	2708	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	icacls.exe
PID 2708 wrote to memory of 4600	2708	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	icacls.exe
PID 2708 wrote to memory of 4600	2708	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	icacls.exe
PID 2708 wrote to memory of 1108	2708	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2708 wrote to memory of 1108	2708	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 2708 wrote to memory of 1108	2708	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 1108 wrote to memory of 5088	1108	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 1108 wrote to memory of 5088	1108	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 1108 wrote to memory of 5088	1108	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 1108 wrote to memory of 5088	1108	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 1108 wrote to memory of 5088	1108	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 1108 wrote to memory of 5088	1108	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 1108 wrote to memory of 5088	1108	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 1108 wrote to memory of 5088	1108	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 1108 wrote to memory of 5088	1108	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 1108 wrote to memory of 5088	1108	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
PID 5088 wrote to memory of 4708	5088	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	build2.exe
PID 5088 wrote to memory of 4708	5088	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	build2.exe
PID 5088 wrote to memory of 4708	5088	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	build2.exe
PID 4708 wrote to memory of 1468	4708	build2.exe	build2.exe
PID 4708 wrote to memory of 1468	4708	build2.exe	build2.exe
PID 4708 wrote to memory of 1468	4708	build2.exe	build2.exe
PID 4708 wrote to memory of 1468	4708	build2.exe	build2.exe
PID 4708 wrote to memory of 1468	4708	build2.exe	build2.exe
PID 4708 wrote to memory of 1468	4708	build2.exe	build2.exe
PID 4708 wrote to memory of 1468	4708	build2.exe	build2.exe
PID 4708 wrote to memory of 1468	4708	build2.exe	build2.exe
PID 4708 wrote to memory of 1468	4708	build2.exe	build2.exe
PID 5088 wrote to memory of 3968	5088	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	build3.exe
PID 5088 wrote to memory of 3968	5088	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	build3.exe
PID 5088 wrote to memory of 3968	5088	b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe	build3.exe
PID 3968 wrote to memory of 4336	3968	build3.exe	schtasks.exe
PID 3968 wrote to memory of 4336	3968	build3.exe	schtasks.exe
PID 3968 wrote to memory of 4336	3968	build3.exe	schtasks.exe
PID 1468 wrote to memory of 1868	1468	build2.exe	cmd.exe
PID 1468 wrote to memory of 1868	1468	build2.exe	cmd.exe
PID 1468 wrote to memory of 1868	1468	build2.exe	cmd.exe
PID 1868 wrote to memory of 4188	1868	cmd.exe	timeout.exe
PID 1868 wrote to memory of 4188	1868	cmd.exe	timeout.exe
PID 1868 wrote to memory of 4188	1868	cmd.exe	timeout.exe
PID 980 wrote to memory of 3032	980	mstsca.exe	schtasks.exe
PID 980 wrote to memory of 3032	980	mstsca.exe	schtasks.exe
PID 980 wrote to memory of 3032	980	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
"C:\Users\Admin\AppData\Local\Temp\b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2136

C:\Users\Admin\AppData\Local\Temp\b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
"C:\Users\Admin\AppData\Local\Temp\b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2708

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\32f41cc1-358b-4a88-ad64-7c6d672522a9" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:4600

C:\Users\Admin\AppData\Local\Temp\b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
"C:\Users\Admin\AppData\Local\Temp\b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1108

C:\Users\Admin\AppData\Local\Temp\b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
"C:\Users\Admin\AppData\Local\Temp\b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5088

C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build2.exe
"C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4708

C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build2.exe
"C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build2.exe"
6⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1468

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build2.exe" & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:1868

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:4188

C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build3.exe
"C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3968

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
6⤵
- Creates scheduled task(s)
PID:4336

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:980

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
2⤵
- Creates scheduled task(s)
PID:3032

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
2KB

MD5
84770e5e2da7dbc35f74f1301910fea1

SHA1
bd6156f63c93c2bc668dbd796d27474700cbff84

SHA256
97a616430f4f8b8a76004f3ffab182f6a01870267c53387960f71f56c3dae1c5

SHA512
6241fec66ad5219fa31ad47fdd93dea2ef079cfd600d3ec1ca48fe64d028d76a82984113a5052b74de8d678d183e2bafb965f3c6111f3cdf139239b07dfee941

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
1KB

MD5
110cf742e7da59e417e5b51e23c5a044

SHA1
2fe4ee009a9a99de850dd8d6d92c9d4837f444d2

SHA256
ebe97ccfc0c50239665d939f865896143ffcb6921361e18dcba32b3bfa19a633

SHA512
117498742030a11f129b3b3281f304ad50c53dd39d638af0ad0f6234a1207efc6622d5d886806b376e7ae773feef177afc74449adbda16a40b31588017d5c4a7

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize
488B

MD5
1098ff47680fad2d9b41e5f2bf038b93

SHA1
02ba05e961122f7e29ed27973e0e1c8346874156

SHA256
4c39451a85ae6165bab4ff34c80b63e0ce7a8b9648c84d57058fe671fca8fef4

SHA512
9209631a84e708fcfb10985453aac0284b1dbe2bb0b29aa99a1f0e9ed22b63383faa6d6bbd2b035312fd39332115ffa68328dd99333cf092930aa6da26dfb917

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize
482B

MD5
e664902d39d865ab3df6871bafec7af9

SHA1
c2bf44da0176bbe638272fa50daa1329bd5a1ec0

SHA256
3ed65d82e2806c3a3cef5d13ceee5a7e7f77f79977d3493cb71fae454fc40b3c

SHA512
595ead6dfccec2ece08dfca4d1c71b530af9a67ee3db36bc778a9271e223aa1e393bd5a21de2d132461a9d13857ad95c732a545fe6872bfcd574b49e2708513d

Download Submit
C:\Users\Admin\AppData\Local\32f41cc1-358b-4a88-ad64-7c6d672522a9\b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff.exe
Filesize
789KB

MD5
4a840c4933e0b53e8176d9c6d4d5cf03

SHA1
1c4f48707754c66a3b7253d1d800c12be559d7ac

SHA256
b46208e80d15f87e4dcb855aa1972e4e4a0fcad0048f2e5a3a72604e0d9229ff

SHA512
a291c9593781df010cb042a5e376cfebaab97ec3088f3f88a8f73c6c2d314bebb02a4c6a4e16d8091d27fde5e50d7afa5b2128cbd4e46a048548125c8bded96f

Download Submit
C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build2.exe
Filesize
462KB

MD5
1ea00519a643ae1ab0f4f9a6ecc81ead

SHA1
551c4fd300092a51a7fd3ceee009db249fd2a70f

SHA256
04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

SHA512
187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

Download Submit
C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build2.exe
Filesize
462KB

MD5
1ea00519a643ae1ab0f4f9a6ecc81ead

SHA1
551c4fd300092a51a7fd3ceee009db249fd2a70f

SHA256
04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

SHA512
187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

Download Submit
C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build2.exe
Filesize
462KB

MD5
1ea00519a643ae1ab0f4f9a6ecc81ead

SHA1
551c4fd300092a51a7fd3ceee009db249fd2a70f

SHA256
04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

SHA512
187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

Download Submit
C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build2.exe
Filesize
462KB

MD5
1ea00519a643ae1ab0f4f9a6ecc81ead

SHA1
551c4fd300092a51a7fd3ceee009db249fd2a70f

SHA256
04e8128c405994d18f26b6394b32686c6e07a65b2c90c98f16295a48a16ba683

SHA512
187897c856c6b7b45d9f85898103b8560d25c694c150c1c1efd1370be0c4e3ba3799d2f4c3cc5c2618b0a84f80cff19cf9be47d0961df20c47b73783f6d0491d

Download Submit
C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Local\b8992258-efb7-42b2-86fb-8e637615916a\build3.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
Filesize
9KB

MD5
9ead10c08e72ae41921191f8db39bc16

SHA1
abe3bce01cd34afc88e2c838173f8c2bd0090ae1

SHA256
8d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0

SHA512
aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a

Download Submit
memory/1468-273-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1468-205-0x0000000050AA0000-0x0000000050B93000-memory.dmp

Filesize
972KB

Download
memory/1468-275-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1468-181-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1468-276-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1468-183-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1468-178-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1468-180-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2136-134-0x0000000004A80000-0x0000000004B9B000-memory.dmp

Filesize
1.1MB

Download
memory/2708-136-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-141-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2708-135-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4708-182-0x0000000000B00000-0x0000000000B5D000-memory.dmp

Filesize
372KB

Download
memory/5088-159-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5088-163-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5088-152-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5088-202-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5088-158-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5088-157-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5088-165-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5088-278-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5088-166-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5088-151-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download