chinese_generic_botnet | d41c808f17f745fe110952f4d75c14373161477de16f661d1ef55860a866b6cb

General

Target

定投.exe
Size

3.4MB
MD5

229beb31d5bc4d691c0f91d6a7dab42c
SHA1

627bc1a8c52c777c9479f1589b269ae1978c7948
SHA256

d41c808f17f745fe110952f4d75c14373161477de16f661d1ef55860a866b6cb
SHA512

35668ad89772e2fb926c46620ed4078244838c94b090524a0955e1c9762e1dbaeec29462b6833658ae8b43cc67edeaedbac92fb2132baa3eea8695ed8d96a27a
SSDEEP

98304:l8NExEicFwlQ7j63ztVgWmxS7FLOAkGkzdnEVomFHKnP:cpmPVgWmxS7FLOyomFHKnP

Score

10^/10

chinese_generic_botnet gh0strat botnet rat

Malware Config

Signatures

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

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/652-196-0x0000000004150000-0x000000000429A000-memory.dmp	family_gh0strat

Gh0strat
Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.
rat gh0strat

Chinese Botnet payload 2 IoCs

botnet

resource	yara_rule
behavioral2/memory/652-133-0x0000000002C80000-0x0000000002CA6000-memory.dmp	unk_chinese_botnet
behavioral2/memory/652-134-0x0000000010000000-0x0000000010027000-memory.dmp	unk_chinese_botnet

Downloads MZ/PE file

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-1-5-21-2548970870-3691742953-3895070203-1000\Control Panel\International\Geo\Nation	定投.exe

Executes dropped EXE 1 IoCs

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

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1508	464	WerFault.exe	92

Checks processor information in registry 2 TTPs 2 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	定投.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	定投.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
464	Windowsfig.exe
652	定投.exe
652	定投.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	464	Windowsfig.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 652 wrote to memory of 464	652	定投.exe	92
PID 652 wrote to memory of 464	652	定投.exe	92
PID 652 wrote to memory of 464	652	定投.exe	92
PID 652 wrote to memory of 456	652	定投.exe	93
PID 652 wrote to memory of 456	652	定投.exe	93
PID 652 wrote to memory of 456	652	定投.exe	93

C:\Users\Admin\AppData\Local\Temp\定投.exe
"C:\Users\Admin\AppData\Local\Temp\定投.exe"
1⤵
- Checks computer location settings
- Enumerates connected drives
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:652
- C:\ProgramData\Windowsfig.exe
  "C:\ProgramData\Windowsfig.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 2204
    3⤵
    - Program crash
    PID:1508
- C:\Windows\SysWOW64\cmd.exe
  cmd /C "del /F /S /Q /A C:\ProgramData\Windowsfig.exe"
  2⤵
  PID:456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 464 -ip 464
1⤵
PID:4428

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Windowsfig.exe

Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
C:\ProgramData\Windowsfig.exe

Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
C:\ProgramData\Windowsfig.exe

Filesize
108KB

MD5
40528a8ce542af784cb9958552f7798d

SHA1
58c5ba782f367a1d65bf712ada150fe0b5e14292

SHA256
46780be1f3276ff325e105b85d5cac13b1eae75b04d17340bca01c7d63027cfc

SHA512
dad82f72882e2a7ca2fe4cea7360150bdffe394dca582f7afdc378ff6e77578e3dd12da668bf2297532b3d2475d97838571cca6343c4a7515d26449acf287e0a

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oj2rvm05.2wd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/464-176-0x0000000006580000-0x0000000006616000-memory.dmp

Filesize
600KB

Download
memory/464-177-0x0000000006530000-0x0000000006552000-memory.dmp

Filesize
136KB

Download
memory/464-162-0x0000000008AD0000-0x00000000090F8000-memory.dmp

Filesize
6.2MB

Download
memory/464-163-0x0000000004D30000-0x0000000004D40000-memory.dmp

Filesize
64KB

Download
memory/464-195-0x00000000FF390000-0x00000000FF3A0000-memory.dmp

Filesize
64KB

Download
memory/464-173-0x0000000006440000-0x000000000645A000-memory.dmp

Filesize
104KB

Download
memory/464-174-0x00000000064A0000-0x00000000064D6000-memory.dmp

Filesize
216KB

Download
memory/464-175-0x00000000072A0000-0x000000000791A000-memory.dmp

Filesize
6.5MB

Download
memory/464-194-0x0000000005730000-0x000000000573A000-memory.dmp

Filesize
40KB

Download
memory/464-161-0x00000000003F0000-0x0000000000410000-memory.dmp

Filesize
128KB

Download
memory/464-178-0x0000000006690000-0x00000000066F6000-memory.dmp

Filesize
408KB

Download
memory/464-179-0x0000000007920000-0x0000000007EC4000-memory.dmp

Filesize
5.6MB

Download
memory/464-180-0x0000000006660000-0x000000000667E000-memory.dmp

Filesize
120KB

Download
memory/464-181-0x0000000006750000-0x000000000679A000-memory.dmp

Filesize
296KB

Download
memory/464-182-0x0000000007ED0000-0x0000000007F36000-memory.dmp

Filesize
408KB

Download
memory/464-183-0x0000000007F40000-0x0000000007F62000-memory.dmp

Filesize
136KB

Download
memory/464-193-0x0000000005280000-0x000000000529E000-memory.dmp

Filesize
120KB

Download
memory/652-133-0x0000000002C80000-0x0000000002CA6000-memory.dmp

Filesize
152KB

Download
memory/652-134-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/652-196-0x0000000004150000-0x000000000429A000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads