djvu | d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee

General

Target

d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
Size

806KB
MD5

88932ab33c38072946abc06b426d33b8
SHA1

accc6e0ba8e1e7250e2634a1f0e7f06be7f4beb2
SHA256

d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee
SHA512

266beae33826041ee77d36f57b41ec4ffe9849faa6b40c4446e531685e30c317c3b282e4079b674a7f37ee79dafe92c41e5b0104e210703f4ca69f7013c9e4d7
SSDEEP

12288:qIowhzaoWcGawk7yVe+H1JU7VuzpzS3oxAiXZcmQGLu5t15KBM0JiY3u3SZtr9XW:vhzL5MkmQ+H/2KFXVotzeM03aSpyr

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://cajgtus.com/test2/get.php

Attributes

extension
.waqa
offline_id
Lc3VTezPWbMhuVAQFzJUdeA68PwI7UDpc5aKHYt1
payload_url
http://defgyma.com/dl/build2.exe

http://cajgtus.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Signatures

Detected Djvu ransomware 13 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2312-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2312-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2312-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1984-2-0x0000000003C30000-0x0000000003D4B000-memory.dmp	family_djvu
behavioral1/memory/2312-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2840-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2840-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2840-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2840-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2840-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2840-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2840-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2840-67-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Downloads MZ/PE file
Executes dropped EXE 6 IoCs

Processes:

build3.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exe

pid process

2696 build3.exe
1620 build3.exe
568 mstsca.exe
2576 mstsca.exe
1808 mstsca.exe
1092 mstsca.exe

pid	process
2696	build3.exe
1620	build3.exe
568	mstsca.exe
2576	mstsca.exe
1808	mstsca.exe
1092	mstsca.exe

Loads dropped DLL 2 IoCs

Processes:

d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe

pid	process
2840	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
2840	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe

Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

2940 icacls.exe

pid	process
2940	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\e4b155c3-7201-4790-97ba-c5022f477e3c\\d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe\" --AutoStart"	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.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
9 api.2ip.ua

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

Suspicious use of SetThreadContext 5 IoCs

Processes:

d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exed47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 1984 set thread context of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 set thread context of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2696 set thread context of 1620	2696	build3.exe	build3.exe
PID 568 set thread context of 2576	568	mstsca.exe	mstsca.exe
PID 1808 set thread context of 1092	1808	mstsca.exe	mstsca.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

schtasks.exemstsca.exed47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exebuild3.exed47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exed47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exebuild3.exeschtasks.exemstsca.exemstsca.exed47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exeicacls.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	build3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	build3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mstsca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence execution

Scheduled Task
T1053.005

Processes:

schtasks.exeschtasks.exe

pid process

2888 schtasks.exe
320 schtasks.exe

pid	process
2888	schtasks.exe
320	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exed47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe

pid	process
2312	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
2312	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
2840	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
2840	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exed47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exed47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exed47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exebuild3.exebuild3.exetaskeng.exemstsca.exemstsca.exe

description	pid	process	target process
PID 1984 wrote to memory of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 1984 wrote to memory of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 1984 wrote to memory of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 1984 wrote to memory of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 1984 wrote to memory of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 1984 wrote to memory of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 1984 wrote to memory of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 1984 wrote to memory of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 1984 wrote to memory of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 1984 wrote to memory of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 1984 wrote to memory of 2312	1984	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2312 wrote to memory of 2940	2312	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	icacls.exe
PID 2312 wrote to memory of 2940	2312	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	icacls.exe
PID 2312 wrote to memory of 2940	2312	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	icacls.exe
PID 2312 wrote to memory of 2940	2312	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	icacls.exe
PID 2312 wrote to memory of 2452	2312	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2312 wrote to memory of 2452	2312	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2312 wrote to memory of 2452	2312	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2312 wrote to memory of 2452	2312	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 wrote to memory of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 wrote to memory of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 wrote to memory of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 wrote to memory of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 wrote to memory of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 wrote to memory of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 wrote to memory of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 wrote to memory of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 wrote to memory of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 wrote to memory of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2452 wrote to memory of 2840	2452	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
PID 2840 wrote to memory of 2696	2840	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	build3.exe
PID 2840 wrote to memory of 2696	2840	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	build3.exe
PID 2840 wrote to memory of 2696	2840	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	build3.exe
PID 2840 wrote to memory of 2696	2840	d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe	build3.exe
PID 2696 wrote to memory of 1620	2696	build3.exe	build3.exe
PID 2696 wrote to memory of 1620	2696	build3.exe	build3.exe
PID 2696 wrote to memory of 1620	2696	build3.exe	build3.exe
PID 2696 wrote to memory of 1620	2696	build3.exe	build3.exe
PID 2696 wrote to memory of 1620	2696	build3.exe	build3.exe
PID 2696 wrote to memory of 1620	2696	build3.exe	build3.exe
PID 2696 wrote to memory of 1620	2696	build3.exe	build3.exe
PID 2696 wrote to memory of 1620	2696	build3.exe	build3.exe
PID 2696 wrote to memory of 1620	2696	build3.exe	build3.exe
PID 2696 wrote to memory of 1620	2696	build3.exe	build3.exe
PID 1620 wrote to memory of 2888	1620	build3.exe	schtasks.exe
PID 1620 wrote to memory of 2888	1620	build3.exe	schtasks.exe
PID 1620 wrote to memory of 2888	1620	build3.exe	schtasks.exe
PID 1620 wrote to memory of 2888	1620	build3.exe	schtasks.exe
PID 2448 wrote to memory of 568	2448	taskeng.exe	mstsca.exe
PID 2448 wrote to memory of 568	2448	taskeng.exe	mstsca.exe
PID 2448 wrote to memory of 568	2448	taskeng.exe	mstsca.exe
PID 2448 wrote to memory of 568	2448	taskeng.exe	mstsca.exe
PID 568 wrote to memory of 2576	568	mstsca.exe	mstsca.exe
PID 568 wrote to memory of 2576	568	mstsca.exe	mstsca.exe
PID 568 wrote to memory of 2576	568	mstsca.exe	mstsca.exe
PID 568 wrote to memory of 2576	568	mstsca.exe	mstsca.exe
PID 568 wrote to memory of 2576	568	mstsca.exe	mstsca.exe
PID 568 wrote to memory of 2576	568	mstsca.exe	mstsca.exe
PID 568 wrote to memory of 2576	568	mstsca.exe	mstsca.exe
PID 568 wrote to memory of 2576	568	mstsca.exe	mstsca.exe
PID 568 wrote to memory of 2576	568	mstsca.exe	mstsca.exe
PID 568 wrote to memory of 2576	568	mstsca.exe	mstsca.exe
PID 2576 wrote to memory of 320	2576	mstsca.exe	schtasks.exe
PID 2576 wrote to memory of 320	2576	mstsca.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
"C:\Users\Admin\AppData\Local\Temp\d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
  "C:\Users\Admin\AppData\Local\Temp\d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\e4b155c3-7201-4790-97ba-c5022f477e3c" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2940
- - C:\Users\Admin\AppData\Local\Temp\d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
    "C:\Users\Admin\AppData\Local\Temp\d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2452
  - - C:\Users\Admin\AppData\Local\Temp\d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe
      "C:\Users\Admin\AppData\Local\Temp\d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:2840
    - - C:\Users\Admin\AppData\Local\b18f4b19-d556-4498-a940-5547733b1126\build3.exe
        
        "C:\Users\Admin\AppData\Local\b18f4b19-d556-4498-a940-5547733b1126\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2696
      - C:\Users\Admin\AppData\Local\b18f4b19-d556-4498-a940-5547733b1126\build3.exe
        
        "C:\Users\Admin\AppData\Local\b18f4b19-d556-4498-a940-5547733b1126\build3.exe"
        6⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1620
        
        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⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:2888

C:\Windows\system32\taskeng.exe
taskeng.exe {8254FC8C-6DD8-4C5C-9D38-2BE76FC3A9E6} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2448
- 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 SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:568
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2576
  - - 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"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:320
- 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 SetThreadContext
  - System Location Discovery: System Language Discovery
  PID:1808
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:1092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

File and Directory Permissions Modification

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
1KB

MD5
67e486b2f148a3fca863728242b6273e

SHA1
452a84c183d7ea5b7c015b597e94af8eef66d44a

SHA256
facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

SHA512
d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

Filesize
436B

MD5
971c514f84bba0785f80aa1c23edfd79

SHA1
732acea710a87530c6b08ecdf32a110d254a54c8

SHA256
f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

SHA512
43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
174B

MD5
a1facee52243087ab9e45a80d56bb770

SHA1
58f0cf686c7ab80c3fa2e33f679b24a39363e2d4

SHA256
a2af72c8c9186930146d043e558e40f63343bcedb3523dd35f6b484856891e5f

SHA512
0f062750837f3cae708fe3d8cbaf400e69bef83157d599307ebb33e222d4f994426b1b7eb7e91505db9cc5c9e392928ec6ea81d3e280118d30ecdfa64e075e0e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

Filesize
170B

MD5
98d623c906ac437e868da93bc09318a4

SHA1
03e623dfc73ed75279f8c8e68c782b017f188f7d

SHA256
d589edf41bf3b6782bc8527da3dec30b08048fd089ad0037393eec7778ebcfa6

SHA512
735caca740e7f7ebed17de5008386179ee82bd3b4314b3d4923ac6e25116458a5ca767d5849d1f60bf21770bc6ecd8a4346f78ba46284dbd28aa86f3c5f67c39

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab99C0.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\e4b155c3-7201-4790-97ba-c5022f477e3c\d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee.exe

Filesize
806KB

MD5
88932ab33c38072946abc06b426d33b8

SHA1
accc6e0ba8e1e7250e2634a1f0e7f06be7f4beb2

SHA256
d47e05b0ad27c651fb9cf73444e1f6a26514acb16998e92fca8be115ae6a2dee

SHA512
266beae33826041ee77d36f57b41ec4ffe9849faa6b40c4446e531685e30c317c3b282e4079b674a7f37ee79dafe92c41e5b0104e210703f4ca69f7013c9e4d7

Download Submit
\Users\Admin\AppData\Local\b18f4b19-d556-4498-a940-5547733b1126\build3.exe

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
memory/1620-77-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1620-72-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1620-74-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1984-0-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/1984-1-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/1984-7-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/1984-2-0x0000000003C30000-0x0000000003D4B000-memory.dmp

Filesize
1.1MB

Download
memory/2312-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2312-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2312-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2312-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2312-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2452-30-0x0000000000330000-0x00000000003C1000-memory.dmp

Filesize
580KB

Download
memory/2840-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2840-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2840-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2840-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2840-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2840-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2840-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2840-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads