gh0strat | e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c

General

Target

e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe
Size

283KB
MD5

5568dd7f573dde864b800e2f4db0011f
SHA1

b18f41952865be0e38a9f61702d6d72866a76626
SHA256

e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c
SHA512

da06b1addde5f7f355da21a0f1ec8a96d6d0acb486ff06c27d5b67bf8351989877c9f7ca48f6b49fe8f3111c85b6ef3bf81b9674b93e7f061d2c21882ec954c4
SSDEEP

6144:XhR0F/vfDPYvVVPVtN7EJtUHbQrokoauY5bXngqVX3MQ0x6fX65:a/nAhEJteQreLY5bXgI50xIK5

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000800000001211a-5.dat	family_gh0strat
behavioral1/memory/316-19-0x0000000000400000-0x0000000000420000-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
Gh0strat family
gh0strat

Executes dropped EXE 2 IoCs

pid	Process
316	staitr.exe
2228	¿Õ³Ç1.19.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x0008000000015d76-13.dat	upx
behavioral1/memory/2228-15-0x0000000000400000-0x00000000004A8000-memory.dmp	upx
behavioral1/memory/2228-18-0x0000000000400000-0x00000000004A8000-memory.dmp	upx

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	staitr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	¿Õ³Ç1.19.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
2448	taskkill.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2448	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2228	¿Õ³Ç1.19.exe
2228	¿Õ³Ç1.19.exe
2228	¿Õ³Ç1.19.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2228	¿Õ³Ç1.19.exe
2228	¿Õ³Ç1.19.exe
2228	¿Õ³Ç1.19.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2228	¿Õ³Ç1.19.exe
2228	¿Õ³Ç1.19.exe
2228	¿Õ³Ç1.19.exe
2228	¿Õ³Ç1.19.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2912 wrote to memory of 316	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	28
PID 2912 wrote to memory of 316	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	28
PID 2912 wrote to memory of 316	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	28
PID 2912 wrote to memory of 316	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	28
PID 2912 wrote to memory of 316	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	28
PID 2912 wrote to memory of 316	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	28
PID 2912 wrote to memory of 316	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	28
PID 2912 wrote to memory of 2228	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	29
PID 2912 wrote to memory of 2228	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	29
PID 2912 wrote to memory of 2228	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	29
PID 2912 wrote to memory of 2228	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	29
PID 2912 wrote to memory of 2228	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	29
PID 2912 wrote to memory of 2228	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	29
PID 2912 wrote to memory of 2228	2912	e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe	29
PID 316 wrote to memory of 2448	316	staitr.exe	30
PID 316 wrote to memory of 2448	316	staitr.exe	30
PID 316 wrote to memory of 2448	316	staitr.exe	30
PID 316 wrote to memory of 2448	316	staitr.exe	30
PID 316 wrote to memory of 2448	316	staitr.exe	30
PID 316 wrote to memory of 2448	316	staitr.exe	30
PID 316 wrote to memory of 2448	316	staitr.exe	30

C:\Users\Admin\AppData\Local\Temp\e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe
"C:\Users\Admin\AppData\Local\Temp\e991b2a533dbec2853a00547d5158d9be1d432abc812937b9acd46155a9c204c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2912
- C:\staitr.exe
  "C:\staitr.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:316
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /im Ksafetray.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2448
- C:\¿Õ³Ç1.19.exe
  "C:\¿Õ³Ç1.19.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\staitr.exe

Filesize
124KB

MD5
e1318901404602a0a03eb59b65e6e068

SHA1
c0086f6aeb026f0ab2c3a8fa5197603484ca91a0

SHA256
8e93f5fb32c37654b7149ee9381faaa8aede9b202e17fe2011015174920d77c7

SHA512
32d58129cebbfcba9a346b26446093dd671aee9049fb87f6fffd6036dbb5309202bbef977b9b0cda0b4bfd39cc883a7695b0cbf2a3fb617c767fbf2b4ca64fee

Download Submit
C:\¿Õ³Ç1.19.exe

Filesize
207KB

MD5
a31a549daa01243092bfb7545c64cdd2

SHA1
cf5c592a47cdf5b661bb6d00f163c9afaaf2e73f

SHA256
841c688c7a97fa8b0e0f3b1eab984c153aca0058368330dcdf07fae0a4ce97fa

SHA512
bbc114f3dfc28ac72c070873f1298b306f605ce3b13b4947bfff94cefc394cfea27f9587fa2f5b62934d37cf5e6f77890f7ae2c9863cf00a366b4b9a4ecb63ef

Download Submit
memory/316-19-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2228-15-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/2228-17-0x0000000000230000-0x00000000002D8000-memory.dmp

Filesize
672KB

Download
memory/2228-18-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download

Analysis

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