chinese_generic_botnet | 861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a

General

Target

861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
Size

1.3MB
MD5

bac833939f7c29317854a27ac8edfe10
SHA1

4fac9a4ec063ee0892c7a1e761a6a86097e90796
SHA256

861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a
SHA512

36b09d2c84de59b8d3ff99fe930545503de84479ea637564aaab4e6b0ac412ec6bc3ebbaffd05333cfeb803df39fb521d9166819b04beb8e02b809db10a03fc8

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 1 IoCs

botnet

resource	yara_rule
behavioral2/memory/3028-136-0x0000000010000000-0x0000000010017000-memory.dmp	unk_chinese_botnet

Executes dropped EXE 2 IoCs

pid	Process
3028	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
1868	Synaptics.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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Ejbabmc.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe"	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe

Enumerates connected drives 3 TTPs 23 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\X:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\Z:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\F:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\H:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\I:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\P:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\Q:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\T:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\G:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\S:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\J:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\M:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\O:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\V:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\W:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\Y:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\U:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\B:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\E:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\K:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\L:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\N:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
File opened (read-only)	\??\R:	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 5 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
4028	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3028	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
3028	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3028	._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE
4028	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 3028	1792	861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe	79
PID 1792 wrote to memory of 3028	1792	861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe	79
PID 1792 wrote to memory of 3028	1792	861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe	79
PID 1792 wrote to memory of 1868	1792	861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe	80
PID 1792 wrote to memory of 1868	1792	861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe	80
PID 1792 wrote to memory of 1868	1792	861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe	80

C:\Users\Admin\AppData\Local\Temp\861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
"C:\Users\Admin\AppData\Local\Temp\861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Users\Admin\AppData\Local\Temp\._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe
  "C:\Users\Admin\AppData\Local\Temp\._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Enumerates connected drives
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3028
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  PID:1868

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

5

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
751KB

MD5
29e1b0ddfb7e090b081d2c5b21f1f0d7

SHA1
2ffd30e5347bb398aa9e2901c4fb1cdac445fc4a

SHA256
11aa613976974b09005557a265e789da94ef8b90827f394272f8dd0905544a45

SHA512
c0ccf9dea3db739800ddd5e565d2b5b97fcf03345881253423d411215cf80c9ed752968116c87ec0f07ca5671b93ede8c558fba3d34e92e549f7f573be6cc72f

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe

Filesize
751KB

MD5
29e1b0ddfb7e090b081d2c5b21f1f0d7

SHA1
2ffd30e5347bb398aa9e2901c4fb1cdac445fc4a

SHA256
11aa613976974b09005557a265e789da94ef8b90827f394272f8dd0905544a45

SHA512
c0ccf9dea3db739800ddd5e565d2b5b97fcf03345881253423d411215cf80c9ed752968116c87ec0f07ca5671b93ede8c558fba3d34e92e549f7f573be6cc72f

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe

Filesize
584KB

MD5
25b1052f544cdf4c57ae8b90d83df1ac

SHA1
2b1d50060504fd8ec7cbeea25ac4774128ca014e

SHA256
a9ff0dd4a5ee46d64169a605a859d69f39b135df8bcc8a20b5a2c693aae65666

SHA512
bc438cdcf7d7a8a74f57265f9bdc625373a6c0eb11ff9eac431ccf86abab4b6f18ee268108e1ef2053ca367c79385a159da80c7fa837cdf580e945c2e82cb584

Download Submit
C:\Users\Admin\AppData\Local\Temp\._cache_861142b5a07be90c1876072d433059f957eac326fca4935812e66842f6bdd80a.exe

Filesize
584KB

MD5
25b1052f544cdf4c57ae8b90d83df1ac

SHA1
2b1d50060504fd8ec7cbeea25ac4774128ca014e

SHA256
a9ff0dd4a5ee46d64169a605a859d69f39b135df8bcc8a20b5a2c693aae65666

SHA512
bc438cdcf7d7a8a74f57265f9bdc625373a6c0eb11ff9eac431ccf86abab4b6f18ee268108e1ef2053ca367c79385a159da80c7fa837cdf580e945c2e82cb584

Download Submit
C:\Users\Admin\AppData\Local\Temp\NXFIU8QA.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/3028-136-0x0000000010000000-0x0000000010017000-memory.dmp

Filesize
92KB

Download
memory/4028-139-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4028-140-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4028-141-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4028-142-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4028-143-0x00007FFDED470000-0x00007FFDED480000-memory.dmp

Filesize
64KB

Download
memory/4028-144-0x00007FFDEADC0000-0x00007FFDEADD0000-memory.dmp

Filesize
64KB

Download
memory/4028-145-0x00007FFDEADC0000-0x00007FFDEADD0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads