chinese_generic_botnet | 21ba184b544b496893283fd1bcae6e54bf10ac7d6db461741416bf46c0f2866f

Analysis

max time kernel
158s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
07-02-2022 00:15

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General

Target

QQ??20210215172826.png.exe
Size

652KB
MD5

a51a46c7fa4f1d1325c1e892f66df554
SHA1

5e2c99b08a93659df6b8220b8707752f03760c17
SHA256

ab2a7fbeb63227168b92cbff7e4b11e5bfe4d0f4efac6dd818d2c2b62ad0021b
SHA512

e7c8d360160405686c74bff1494c9e348f47ff4d0c15c3e9696caea1b890e4a0b510a7687c615a53cf7f0c0a9287e417b50c759f06a69e37f22672ea64f916d1

Score

10^/10

chinese_generic_botnet botnet

Malware Config

Signatures

Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
botnet chinese_generic_botnet

Chinese Botnet Payload 1 IoCs

botnet

resource	yara_rule
behavioral2/memory/1404-132-0x0000000010000000-0x0000000010018000-memory.dmp	unk_chinese_botnet

Executes dropped EXE 1 IoCs

pid	Process
1404	1.jpg.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	QQ__20210215172826.png.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1804	svchost.exe
Token: SeCreatePagefilePrivilege	1804	svchost.exe
Token: SeShutdownPrivilege	1804	svchost.exe
Token: SeCreatePagefilePrivilege	1804	svchost.exe
Token: SeShutdownPrivilege	1804	svchost.exe
Token: SeCreatePagefilePrivilege	1804	svchost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1404	1.jpg.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1404	2368	QQ__20210215172826.png.exe	82
PID 2368 wrote to memory of 1404	2368	QQ__20210215172826.png.exe	82
PID 2368 wrote to memory of 1404	2368	QQ__20210215172826.png.exe	82

C:\Users\Admin\AppData\Local\Temp\QQ__20210215172826.png.exe
"C:\Users\Admin\AppData\Local\Temp\QQ__20210215172826.png.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2368
- C:\User\1.jpg.exe
  "C:\User\1.jpg.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:1404

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:1804

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/1404-132-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/1804-134-0x000001A85C190000-0x000001A85C1A0000-memory.dmp

Filesize
64KB

Download
memory/1804-141-0x000001A85F570000-0x000001A85F574000-memory.dmp

Filesize
16KB

Download