gh0strat | e19fe20c97c4a4fcf65738919d453c2fcd7855dbb5e60f5fefa46ee6ea0002ef

General

Target

1ffa0c7b4481628c4a0e37a7d21a0ea3.exe
Size

358KB
MD5

1ffa0c7b4481628c4a0e37a7d21a0ea3
SHA1

b5f23826c94a73e2a0e7ff16aeb072c221b74092
SHA256

e19fe20c97c4a4fcf65738919d453c2fcd7855dbb5e60f5fefa46ee6ea0002ef
SHA512

5e8b6292dc0e6168a8899e61ad3bc322311cd873f06a2fb4e81a7c9c99c8478b2165301701588bdddf7023d909c97e11bb9fff21ed08874c8c65a8ed366447c0
SSDEEP

6144:/qKne2Ko9cK2OHnV7D2djek72aTALaFIm85ZDOFBjb/8o05NYXafC2IxFRD:v78gnV/2okya+bFOfv8t5NY12GFF

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 15 IoCs

resource	yara_rule
behavioral2/memory/3620-4-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/3620-7-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/3620-5-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/2964-22-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/3096-29-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/3096-32-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/3096-31-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/2964-25-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/3620-3-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/3184-46-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/212-45-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/3096-47-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/212-49-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/212-48-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral2/memory/212-50-0x0000000010000000-0x0000000010362000-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

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-1-5-21-3791175113-1062217823-1177695025-1000\Control Panel\International\Geo\Nation	1ffa0c7b4481628c4a0e37a7d21a0ea3.exe

Executes dropped EXE 2 IoCs

pid	Process
2964	svchost.exe
3096	Terms.EXE.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3620-4-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3620-7-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3620-5-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/2964-22-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3096-26-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3096-29-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3096-32-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3096-31-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/2964-25-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3620-3-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3620-0-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3184-46-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/212-45-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/3096-47-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/212-49-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/212-48-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral2/memory/212-50-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Terms.EXE.exe	1ffa0c7b4481628c4a0e37a7d21a0ea3.exe
File opened for modification	C:\Windows\Terms.EXE.exe	1ffa0c7b4481628c4a0e37a7d21a0ea3.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
4796	3096	WerFault.exe	22

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3620	1ffa0c7b4481628c4a0e37a7d21a0ea3.exe
Token: SeDebugPrivilege	2964	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 2964	3620	1ffa0c7b4481628c4a0e37a7d21a0ea3.exe	108
PID 3620 wrote to memory of 2964	3620	1ffa0c7b4481628c4a0e37a7d21a0ea3.exe	108
PID 3620 wrote to memory of 2964	3620	1ffa0c7b4481628c4a0e37a7d21a0ea3.exe	108

C:\Users\Admin\AppData\Local\Temp\1ffa0c7b4481628c4a0e37a7d21a0ea3.exe
"C:\Users\Admin\AppData\Local\Temp\1ffa0c7b4481628c4a0e37a7d21a0ea3.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3620
- C:\Windows\Terms.EXE.exe
  "C:\Windows\Terms.EXE.exe"
  2⤵
  PID:2964

C:\Windows\Terms.EXE.exe
C:\Windows\Terms.EXE.exe
1⤵
- Executes dropped EXE
PID:3096
- C:\Windows\Terms.EXE.exe
  C:\Windows\Terms.EXE.exe
  2⤵
  PID:3184
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3096 -s 636
  2⤵
  - Program crash
  PID:4796
- C:\Windows\Terms.EXE.exe
  C:\Windows\Terms.EXE.exe
  2⤵
  PID:212

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3096 -ip 3096
1⤵
PID:2360

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/212-50-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/212-48-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/212-49-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/212-45-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2964-25-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2964-22-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3096-31-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3096-32-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3096-29-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3096-47-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3096-26-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3184-46-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3620-4-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3620-3-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3620-0-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3620-5-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3620-7-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

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