gh0strat | cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9

General

Target

cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe
Size

1.1MB
MD5

1b38cec88b21b3036f11fb6431cf520d
SHA1

d9d27cd7c8c0f8a53a6d60f4adbdf3b7a6490d89
SHA256

cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9
SHA512

97c9ae063ab57f86228ce8eb844e6e432f4476bc8d1f3f0077f6aa6f0c5a590a87899f51fef283fb613eb0aebdf16d1df28373c020c836355e0b16d6ad85a807
SSDEEP

12288:yDSUtbgRlBVxUWuqrXzSn5qpUN6wzIuAVsGCpW1dBqBjzmuqwhfhonBa8:yQbBVxhFrXzSn5cnsMVn7RqJzPf+Q8

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/3776-16-0x0000000010000000-0x0000000010121000-memory.dmp	family_gh0strat
behavioral2/memory/3776-18-0x0000000010000000-0x0000000010121000-memory.dmp	family_gh0strat
behavioral2/memory/3776-15-0x0000000010000000-0x0000000010121000-memory.dmp	family_gh0strat
behavioral2/memory/3776-20-0x0000000010000000-0x0000000010121000-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-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation	cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe

Executes dropped EXE 1 IoCs

pid	Process
3776	serveer.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\XXXXXXFEA94847 = "C:\\Windows\\XXXXXXFEA94847\\svchsot.exe"	serveer.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
3928	cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe
3928	cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe
3928	cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\WINDOWS\serveer.exe	cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe
File created	C:\Windows\XXXXXXFEA94847\svchsot.exe	serveer.exe
File opened for modification	C:\Windows\XXXXXXFEA94847\svchsot.exe	serveer.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3776	serveer.exe
3776	serveer.exe
3776	serveer.exe
3776	serveer.exe
3776	serveer.exe
3776	serveer.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3928	cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe
3928	cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3928 wrote to memory of 3776	3928	cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe	86
PID 3928 wrote to memory of 3776	3928	cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe	86
PID 3928 wrote to memory of 3776	3928	cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe	86

C:\Users\Admin\AppData\Local\Temp\cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe
"C:\Users\Admin\AppData\Local\Temp\cafd5c5205c27ba908b67bf86e7dab1471dd0b1d0af6947a082d960616ba73a9.exe"
1⤵
- Checks computer location settings
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3928
- C:\WINDOWS\serveer.exe
  "C:\WINDOWS\serveer.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  PID:3776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\WINDOWS\serveer.exe

Filesize
192KB

MD5
c288a74523cdfc1052a530025e1b2450

SHA1
c3919cdea6e0cb5d9885c23fb3e0a4b1f694bf26

SHA256
7f9cd3269999c69992e706348287043bb63e579b4dbe7b70e4a23b4bda205fc8

SHA512
a839e998cbc021b12c093e89a314d0ce8fb958f9fefb1fad948fa928fccd0cea57b34cb00bad2e6c01599ec8f336915b546d1fbc7559204ea3234455c1bb95e9

Download Submit
C:\Windows\serveer.exe

Filesize
192KB

MD5
c288a74523cdfc1052a530025e1b2450

SHA1
c3919cdea6e0cb5d9885c23fb3e0a4b1f694bf26

SHA256
7f9cd3269999c69992e706348287043bb63e579b4dbe7b70e4a23b4bda205fc8

SHA512
a839e998cbc021b12c093e89a314d0ce8fb958f9fefb1fad948fa928fccd0cea57b34cb00bad2e6c01599ec8f336915b546d1fbc7559204ea3234455c1bb95e9

Download Submit
C:\Windows\serveer.exe

Filesize
192KB

MD5
c288a74523cdfc1052a530025e1b2450

SHA1
c3919cdea6e0cb5d9885c23fb3e0a4b1f694bf26

SHA256
7f9cd3269999c69992e706348287043bb63e579b4dbe7b70e4a23b4bda205fc8

SHA512
a839e998cbc021b12c093e89a314d0ce8fb958f9fefb1fad948fa928fccd0cea57b34cb00bad2e6c01599ec8f336915b546d1fbc7559204ea3234455c1bb95e9

Download Submit
memory/3776-17-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/3776-13-0x0000000010000000-0x0000000010121000-memory.dmp

Filesize
1.1MB

Download
memory/3776-16-0x0000000010000000-0x0000000010121000-memory.dmp

Filesize
1.1MB

Download
memory/3776-18-0x0000000010000000-0x0000000010121000-memory.dmp

Filesize
1.1MB

Download
memory/3776-15-0x0000000010000000-0x0000000010121000-memory.dmp

Filesize
1.1MB

Download
memory/3776-20-0x0000000010000000-0x0000000010121000-memory.dmp

Filesize
1.1MB

Download
memory/3928-1-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3928-0-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3928-23-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3928-31-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3928-32-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download
memory/3928-38-0x0000000000400000-0x0000000000607000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads