chinese_generic_botnet | cc13d8ef2716a7653e04f1ee11a9be519897982cd83ae95559cb08513ed21c7e

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
27-04-2024 16:28

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General

Target

tmp.exe
Size

3.3MB
MD5

d6c0cf36d24f9c78d3e9c62c1ab10d7a
SHA1

40aef92c854049c716038a8ab79758d9d579b90d
SHA256

cc13d8ef2716a7653e04f1ee11a9be519897982cd83ae95559cb08513ed21c7e
SHA512

16b6b134417c3e9f067c2a1e8205067a2a9fac2b4d6342e2da7c8a90d8dcf4fff07ad39ade8e8b007a6a019419a58a733bb722463a472677f472380cf1b8a2bd
SSDEEP

98304:e4uTo0ZdxryDXakEfkslniBGT93rAS1Up0:e4eNeGTfksliBc933G+

Score

10^/10

chinese_generic_botnet botnet persistence

Malware Config

Signatures

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

Chinese Botnet payload 2 IoCs

botnet

Processes:

resource	yara_rule
behavioral2/memory/2600-11797-0x0000000010000000-0x0000000010018000-memory.dmp	unk_chinese_botnet
behavioral2/memory/2600-11799-0x0000000000400000-0x0000000000548000-memory.dmp	unk_chinese_botnet

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:

tmp.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation	tmp.exe

Executes dropped EXE 2 IoCs

Processes:

QQ.exesvchost.exe

pid	Process
2600	QQ.exe
3144	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

QQ.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Kvzbtbs.exe = "C:\\Users\\Admin\\AppData\\Roaming\\QQ.exe"	QQ.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 64 IoCs

Processes:

svchost.exeQQ.exe

pid	Process
3144	svchost.exe
3144	svchost.exe
2600	QQ.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe
3144	svchost.exe
2600	QQ.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

svchost.exe

pid	Process
3144	svchost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

tmp.exesvchost.exe

pid	Process
828	tmp.exe
828	tmp.exe
3144	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

tmp.exe

description	pid	Process	procid_target
PID 828 wrote to memory of 2600	828	tmp.exe	85
PID 828 wrote to memory of 2600	828	tmp.exe	85
PID 828 wrote to memory of 2600	828	tmp.exe	85
PID 828 wrote to memory of 3144	828	tmp.exe	86
PID 828 wrote to memory of 3144	828	tmp.exe	86

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:828
- C:\Users\Admin\AppData\Roaming\QQ.exe
  "C:\Users\Admin\AppData\Roaming\QQ.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  PID:2600
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:3144

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Roaming\QQ.exe

Filesize
936KB

MD5
f21c518bcafa5fe911f17ffb3c1797b0

SHA1
6ddf4338b8802ed0e698af6d78695cc12d7e55d6

SHA256
a64ace959b459d7f23ceb7b2ff1cbe7f9346e3aa412118d4078b940e13b087a8

SHA512
482a3c93ed737da332be810d543a2afd274b6c20ebcdccf4a324cca756629ffcd402c7ba5b514ad19f91bb27ecdc3de0e3baa30f65658c1f152ad1bcc9f8f25f

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
1.6MB

MD5
e10f2fe129e169b2ac1ce9eeb179c15f

SHA1
bf6b5ac1c98b04b2b881522b10277efa4acb72b5

SHA256
1419f75027c186e8024396999a6841e6bbbcec531d134f8f26491a0fca9715a0

SHA512
590e3c4ddb764ae2764b74f9f6283c7b3635c1dfaf42e3c80b90a2bf71b66b2cff2d5f1519c28965dcbf07152766f28fc827f140cedf3547a5985e4d755cac83

Download Submit
memory/2600-14-0x0000000000400000-0x0000000000548000-memory.dmp

Filesize
1.3MB

Download
memory/2600-11789-0x0000000000400000-0x0000000000548000-memory.dmp

Filesize
1.3MB

Download
memory/2600-21-0x0000000076700000-0x0000000076915000-memory.dmp

Filesize
2.1MB

Download
memory/2600-11797-0x0000000010000000-0x0000000010018000-memory.dmp

Filesize
96KB

Download
memory/2600-11799-0x0000000000400000-0x0000000000548000-memory.dmp

Filesize
1.3MB

Download
memory/2600-11788-0x0000000000400000-0x0000000000548000-memory.dmp

Filesize
1.3MB

Download
memory/2600-3290-0x0000000076920000-0x0000000076AC0000-memory.dmp

Filesize
1.6MB

Download
memory/2600-5299-0x0000000075810000-0x000000007588A000-memory.dmp

Filesize
488KB

Download
memory/2600-11793-0x0000000000400000-0x0000000000548000-memory.dmp

Filesize
1.3MB

Download
memory/2600-11791-0x0000000000400000-0x0000000000548000-memory.dmp

Filesize
1.3MB

Download
memory/2600-11790-0x0000000000400000-0x0000000000548000-memory.dmp

Filesize
1.3MB

Download
memory/3144-561-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-513-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-397-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-20-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-11800-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-11806-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-11810-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-11812-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-11816-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-11820-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-11822-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-11826-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download
memory/3144-11828-0x0000000140000000-0x00000001401CA000-memory.dmp

Filesize
1.8MB

Download