djvu | 97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05-02-2024 05:08

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General

Target

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
Size

774KB
MD5

faf9bf89fd060a85d2fcc98e9d511a8b
SHA1

08d256665c3aa89eafa123cfb965c8c1b4b5f5d0
SHA256

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98
SHA512

318bb22a79f511421f209f0ee1a8367addfa4c7355f4000bce80b2d18beab450d927c2910eb3f4f2e6f7b5924c623f531eb9c46c80e11123298af721054c4ba1
SSDEEP

12288:liIAA+MX6Cy84Yw54I1/MASK0k1sLYslK0ijkbHi/58P8agY56MJUG2:lpBU8nwN1/MASK0xLYHjAtP8aouUG

Score

10^/10

djvu vidar 1b9d7ec5a25ab9d78c31777a0016a097 discovery persistence ransomware stealer

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.cdcc
offline_id
LBxKKiegnAy53rpqH3Pj2j46vwldiEt9kqHSuMt1
payload_url
http://brusuax.com/dl/build2.exe
http://habrafa.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-iVcrVFVRqu Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. 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: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0846ASdw

rsa_pubkey.plain

Extracted

Family

vidar

Version

7.6

Botnet

1b9d7ec5a25ab9d78c31777a0016a097

https://t.me/tvrugrats

https://steamcommunity.com/profiles/76561199627279110

Attributes

profile_id_v2
1b9d7ec5a25ab9d78c31777a0016a097

Signatures

Detect Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/4092-55-0x0000000000710000-0x0000000000740000-memory.dmp	family_vidar_v7
behavioral2/memory/3140-52-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/3140-57-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/3140-58-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7
behavioral2/memory/3140-85-0x0000000000400000-0x0000000000643000-memory.dmp	family_vidar_v7

Detected Djvu ransomware 17 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2124-2-0x00000000023C0000-0x00000000024DB000-memory.dmp	family_djvu
behavioral2/memory/5056-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5056-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5056-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5056-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5056-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1880-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1880-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1880-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1880-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1880-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1880-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1880-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1880-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1880-82-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1880-87-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2288-123-0x00000000009B0000-0x0000000000AB0000-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

Detect binaries embedding considerable number of MFA browser extension IDs. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3140-85-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs

Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3140-85-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3140-85-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_Binary_References_Browsers

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 4 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3140-52-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/3140-57-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/3140-58-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral2/memory/3140-85-0x0000000000400000-0x0000000000643000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Downloads MZ/PE file

Checks computer location settings 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
Key value queried	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\Control Panel\International\Geo\Nation	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe

Executes dropped EXE 8 IoCs

Processes:

build2.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exe

pid process

4092 build2.exe
3140 build2.exe
3136 build3.exe
2284 build3.exe
216 mstsca.exe
5060 mstsca.exe
2288 mstsca.exe
1648 mstsca.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

4368 icacls.exe

pid	process
4092	build2.exe
3140	build2.exe
3136	build3.exe
2284	build3.exe
216	mstsca.exe
5060	mstsca.exe
2288	mstsca.exe
1648	mstsca.exe

pid	process
4368	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\ccfd3540-cc36-423a-ad91-2732a9d02f17\\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe\" --AutoStart"	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe

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

4 api.2ip.ua
5 api.2ip.ua
14 api.2ip.ua

flow	ioc
4	api.2ip.ua
5	api.2ip.ua
14	api.2ip.ua

Suspicious use of SetThreadContext 6 IoCs

Processes:

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exebuild2.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2124 set thread context of 5056	2124	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1096 set thread context of 1880	1096	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 4092 set thread context of 3140	4092	build2.exe	build2.exe
PID 3136 set thread context of 2284	3136	build3.exe	build3.exe
PID 216 set thread context of 5060	216	mstsca.exe	mstsca.exe
PID 2288 set thread context of 1648	2288	mstsca.exe	mstsca.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3696 3140 WerFault.exe 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/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1444 schtasks.exe
1744 schtasks.exe

pid	pid_target	process	target process
3696	3140	WerFault.exe	build2.exe

pid	process
1444	schtasks.exe
1744	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe

pid	process
5056	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
5056	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
1880	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
1880	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exebuild2.exebuild3.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 2124 wrote to memory of 5056	2124	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 2124 wrote to memory of 5056	2124	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 2124 wrote to memory of 5056	2124	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 2124 wrote to memory of 5056	2124	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 2124 wrote to memory of 5056	2124	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 2124 wrote to memory of 5056	2124	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 2124 wrote to memory of 5056	2124	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 2124 wrote to memory of 5056	2124	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 2124 wrote to memory of 5056	2124	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 2124 wrote to memory of 5056	2124	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 5056 wrote to memory of 4368	5056	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	icacls.exe
PID 5056 wrote to memory of 4368	5056	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	icacls.exe
PID 5056 wrote to memory of 4368	5056	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	icacls.exe
PID 5056 wrote to memory of 1096	5056	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 5056 wrote to memory of 1096	5056	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 5056 wrote to memory of 1096	5056	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1096 wrote to memory of 1880	1096	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1096 wrote to memory of 1880	1096	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1096 wrote to memory of 1880	1096	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1096 wrote to memory of 1880	1096	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1096 wrote to memory of 1880	1096	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1096 wrote to memory of 1880	1096	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1096 wrote to memory of 1880	1096	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1096 wrote to memory of 1880	1096	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1096 wrote to memory of 1880	1096	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1096 wrote to memory of 1880	1096	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
PID 1880 wrote to memory of 4092	1880	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	build2.exe
PID 1880 wrote to memory of 4092	1880	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	build2.exe
PID 1880 wrote to memory of 4092	1880	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	build2.exe
PID 4092 wrote to memory of 3140	4092	build2.exe	build2.exe
PID 4092 wrote to memory of 3140	4092	build2.exe	build2.exe
PID 4092 wrote to memory of 3140	4092	build2.exe	build2.exe
PID 4092 wrote to memory of 3140	4092	build2.exe	build2.exe
PID 4092 wrote to memory of 3140	4092	build2.exe	build2.exe
PID 4092 wrote to memory of 3140	4092	build2.exe	build2.exe
PID 4092 wrote to memory of 3140	4092	build2.exe	build2.exe
PID 4092 wrote to memory of 3140	4092	build2.exe	build2.exe
PID 4092 wrote to memory of 3140	4092	build2.exe	build2.exe
PID 4092 wrote to memory of 3140	4092	build2.exe	build2.exe
PID 1880 wrote to memory of 3136	1880	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	build3.exe
PID 1880 wrote to memory of 3136	1880	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	build3.exe
PID 1880 wrote to memory of 3136	1880	97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe	build3.exe
PID 3136 wrote to memory of 2284	3136	build3.exe	build3.exe
PID 3136 wrote to memory of 2284	3136	build3.exe	build3.exe
PID 3136 wrote to memory of 2284	3136	build3.exe	build3.exe
PID 3136 wrote to memory of 2284	3136	build3.exe	build3.exe
PID 3136 wrote to memory of 2284	3136	build3.exe	build3.exe
PID 3136 wrote to memory of 2284	3136	build3.exe	build3.exe
PID 3136 wrote to memory of 2284	3136	build3.exe	build3.exe
PID 3136 wrote to memory of 2284	3136	build3.exe	build3.exe
PID 3136 wrote to memory of 2284	3136	build3.exe	build3.exe
PID 2284 wrote to memory of 1444	2284	build3.exe	schtasks.exe
PID 2284 wrote to memory of 1444	2284	build3.exe	schtasks.exe
PID 2284 wrote to memory of 1444	2284	build3.exe	schtasks.exe
PID 216 wrote to memory of 5060	216	mstsca.exe	mstsca.exe
PID 216 wrote to memory of 5060	216	mstsca.exe	mstsca.exe
PID 216 wrote to memory of 5060	216	mstsca.exe	mstsca.exe
PID 216 wrote to memory of 5060	216	mstsca.exe	mstsca.exe
PID 216 wrote to memory of 5060	216	mstsca.exe	mstsca.exe
PID 216 wrote to memory of 5060	216	mstsca.exe	mstsca.exe
PID 216 wrote to memory of 5060	216	mstsca.exe	mstsca.exe
PID 216 wrote to memory of 5060	216	mstsca.exe	mstsca.exe
PID 216 wrote to memory of 5060	216	mstsca.exe	mstsca.exe
PID 5060 wrote to memory of 1744	5060	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
"C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2124

C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
"C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5056

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\ccfd3540-cc36-423a-ad91-2732a9d02f17" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:4368

C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
"C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1096

C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
"C:\Users\Admin\AppData\Local\Temp\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1880

C:\Users\Admin\AppData\Local\9820d5fb-0d1b-4ae7-9905-6cdfe0cf6cdf\build2.exe
"C:\Users\Admin\AppData\Local\9820d5fb-0d1b-4ae7-9905-6cdfe0cf6cdf\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4092

C:\Users\Admin\AppData\Local\9820d5fb-0d1b-4ae7-9905-6cdfe0cf6cdf\build2.exe
"C:\Users\Admin\AppData\Local\9820d5fb-0d1b-4ae7-9905-6cdfe0cf6cdf\build2.exe"
6⤵
- Executes dropped EXE
PID:3140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3140 -s 2196
7⤵
- Program crash
PID:3696

C:\Users\Admin\AppData\Local\9820d5fb-0d1b-4ae7-9905-6cdfe0cf6cdf\build3.exe
"C:\Users\Admin\AppData\Local\9820d5fb-0d1b-4ae7-9905-6cdfe0cf6cdf\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3136

C:\Users\Admin\AppData\Local\9820d5fb-0d1b-4ae7-9905-6cdfe0cf6cdf\build3.exe
"C:\Users\Admin\AppData\Local\9820d5fb-0d1b-4ae7-9905-6cdfe0cf6cdf\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2284

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"
7⤵
- Creates scheduled task(s)
PID:1444

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3140 -ip 3140
1⤵
PID:1484

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 SetThreadContext
- Suspicious use of WriteProcessMemory
PID:216

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:5060

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"
3⤵
- Creates scheduled task(s)
PID:1744

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 SetThreadContext
PID:2288

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:1648

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize
1KB

MD5
c59708a86e78530488f2356251e775a2

SHA1
17e33e077261cdd9e54d4e58dfb168f15ee93efb

SHA256
71719971666e64a4f767e8f9d0b52e822189c4bfb1fe449a0e7c8066c82813c2

SHA512
42afd4d2c791ea8cb239130cf4f4d43da0ec39c63049c56796e082282e2ba2f0cd0fd8934b7de3b359ca433b0609ad159fda6f92168168f2d4517f13fbbb3fbf

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA
Filesize
410B

MD5
ab0b57d37fda4192f2e7ecee4355cc13

SHA1
4adb60853fad8ae50e06e2964b24213543964310

SHA256
7e34f629a19165ff0d47928c541d4cc19f7e51fb617fac092083bac5b6b2cb95

SHA512
cdd5caf57be2e6150d8a73d77df1440bf2cd78fc803a82ecc437d5ab7da300cefec76a9d69d310a49e45713c9ce223fe63ad4f230ef81b814cdeee60b01a67a6

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464
Filesize
392B

MD5
05fd35ed1a8a5824d65e2694273fbef0

SHA1
22b59d5cf9758dbd7d5ec2e240af76affbac2aa0

SHA256
eeaf0d47590f468919a9702ee217d92ad298d89e6eaef79f6b25615a42595b8f

SHA512
c622d78711c8ff8d038214abe178c4004a9d9d0617fb1a0d2ae9e75fc7ee68eb7c4686c0444168c828f96ad4c6ec01dc603a4262ee47f7ff23c81fb644838faf

Download Submit
C:\Users\Admin\AppData\Local\9820d5fb-0d1b-4ae7-9905-6cdfe0cf6cdf\build2.exe
Filesize
385KB

MD5
63e4a9cd7a8b37335b5f18cefc5dd9d2

SHA1
c781a30935afc452b108cc78724b60f389b78874

SHA256
c1e75efde3fd1da605135e5c3ffab0073299c80632d136f8eeba9d4a7c98c70f

SHA512
3818b5966938704c5830acb5426db7791f6ae476853248d8984b1aff35a6722a0684bea54a53ef6ded1f301f6de9ed044d45f007457a9c0f3a7ea3afc7bf0ecc

Download Submit
C:\Users\Admin\AppData\Local\9820d5fb-0d1b-4ae7-9905-6cdfe0cf6cdf\build3.exe
Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
C:\Users\Admin\AppData\Local\ccfd3540-cc36-423a-ad91-2732a9d02f17\97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98.exe
Filesize
774KB

MD5
faf9bf89fd060a85d2fcc98e9d511a8b

SHA1
08d256665c3aa89eafa123cfb965c8c1b4b5f5d0

SHA256
97cb23085479e9562332ae56eed070d3c9a001518066132ec5d24041336bcf98

SHA512
318bb22a79f511421f209f0ee1a8367addfa4c7355f4000bce80b2d18beab450d927c2910eb3f4f2e6f7b5924c623f531eb9c46c80e11123298af721054c4ba1

Download Submit
memory/216-104-0x0000000000B30000-0x0000000000C30000-memory.dmp

Filesize
1024KB

Download
memory/1096-20-0x0000000002130000-0x00000000021CC000-memory.dmp

Filesize
624KB

Download
memory/1648-128-0x0000000000410000-0x00000000004D9000-memory.dmp

Filesize
804KB

Download
memory/1880-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1880-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1880-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1880-87-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1880-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1880-82-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1880-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1880-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1880-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1880-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2124-2-0x00000000023C0000-0x00000000024DB000-memory.dmp

Filesize
1.1MB

Download
memory/2124-1-0x0000000000770000-0x0000000000805000-memory.dmp

Filesize
596KB

Download
memory/2284-96-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2284-94-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2284-89-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2288-123-0x00000000009B0000-0x0000000000AB0000-memory.dmp

Filesize
1024KB

Download
memory/3136-91-0x0000000000940000-0x0000000000944000-memory.dmp

Filesize
16KB

Download
memory/3136-90-0x0000000000BA0000-0x0000000000CA0000-memory.dmp

Filesize
1024KB

Download
memory/3140-58-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3140-85-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3140-57-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/3140-52-0x0000000000400000-0x0000000000643000-memory.dmp

Filesize
2.3MB

Download
memory/4092-55-0x0000000000710000-0x0000000000740000-memory.dmp

Filesize
192KB

Download
memory/4092-53-0x00000000007B0000-0x00000000008B0000-memory.dmp

Filesize
1024KB

Download
memory/5056-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5056-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5056-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5056-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5056-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download