120550fcc0d7eaf24bfdac08615b1bdad4d79ea0fd2bc0dac7048d0beb3b3a7d

Analysis

max time kernel
144s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 17:26

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General

Target

QQȺӪ.exe
Size

81KB
MD5

72d8e2c1558a77e90a1274177b16a65c
SHA1

5c54277fa87e43596a58bb2b1fea23147e55b36f
SHA256

5cbb6f8f780c1169ee530f9f74b319ea40b22aac28c67ea9fcd7327f0de90b4e
SHA512

c7350797c3951d1d0c31c5a9d61744bd2da12fc0b478ff8196910814edbd2b0d42dd0f79ddf3ff4d77a948e72cb2a61e938e01c8e26953b275da343543da9f9a
SSDEEP

768:Vhttdb3QKIwlUar5RrbHjBGNfMT+Lde7yvGq:VbkK5lUar5RrbHjBGuKe7wD

Score

8^/10

vmprotect

Malware Config

Signatures

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral26/memory/1264-137-0x0000000010000000-0x0000000010255000-memory.dmp	vmprotect
behavioral26/memory/1264-138-0x0000000010000000-0x0000000010255000-memory.dmp	vmprotect
behavioral26/memory/1264-142-0x0000000010000000-0x0000000010255000-memory.dmp	vmprotect

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

QQȺӪ.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	QQȺӪ.exe

Drops file in Windows directory 1 IoCs

Processes:

dw20.exe

description ioc process

File created C:\Windows\AppCompat\Programs\Amcache.hve.tmp dw20.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\AppCompat\Programs\Amcache.hve.tmp	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

dw20.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

dw20.exe

description	pid	process
Token: SeRestorePrivilege	4576	dw20.exe
Token: SeBackupPrivilege	4576	dw20.exe
Token: SeBackupPrivilege	4576	dw20.exe
Token: SeBackupPrivilege	4576	dw20.exe
Token: SeBackupPrivilege	4576	dw20.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

QQȺӪ.exeqq_post.exe

description	pid	process	target process
PID 4332 wrote to memory of 1264	4332	QQȺӪ.exe	qq_post.exe
PID 4332 wrote to memory of 1264	4332	QQȺӪ.exe	qq_post.exe
PID 4332 wrote to memory of 1264	4332	QQȺӪ.exe	qq_post.exe
PID 1264 wrote to memory of 4576	1264	qq_post.exe	dw20.exe
PID 1264 wrote to memory of 4576	1264	qq_post.exe	dw20.exe
PID 1264 wrote to memory of 4576	1264	qq_post.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\QQȺӪ.exe
"C:\Users\Admin\AppData\Local\Temp\QQȺӪ.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4332
- C:\Users\Admin\AppData\Local\Temp\qq_post.exe
  "C:\Users\Admin\AppData\Local\Temp\qq_post.exe" QQȺӪ.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1264
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 1180
    3⤵
    - Drops file in Windows directory
    - Checks processor information in registry
    - Enumerates system info in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:4576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1264-134-0x0000000000000000-mapping.dmp

Download
memory/1264-136-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/1264-137-0x0000000010000000-0x0000000010255000-memory.dmp

Filesize
2.3MB

Download
memory/1264-138-0x0000000010000000-0x0000000010255000-memory.dmp

Filesize
2.3MB

Download
memory/1264-141-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/1264-142-0x0000000010000000-0x0000000010255000-memory.dmp

Filesize
2.3MB

Download
memory/4332-132-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/4332-133-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/4332-135-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/4576-140-0x0000000000000000-mapping.dmp

Download