gh0strat | 27cf6d1e0539c39fd8b37e873ce5081911d35ddbd24965d2def17b950f7422f0

General

Target

JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe
Size

261KB
MD5

4627e0eb368db3078c894b88e7d54b38
SHA1

2551dc90603c992c9024b0b0e7d951c28fd73a6a
SHA256

27cf6d1e0539c39fd8b37e873ce5081911d35ddbd24965d2def17b950f7422f0
SHA512

f3eb4210dcfae7ad61ae28bb96b92e4290e8270bec24bc1b5294cef0ad0ad37dde1b3b22f07e39567449a7579a4f10bcafdd4aca33e1ac2f28843c6fc876d791
SSDEEP

6144:34lRkAehaKuqT+Fz0LI2h1YHJO5mjIiZZuhB+UfDshZh4N:3kWAehJuqT+kYOQc3hB+UfoZS

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

resource	yara_rule
behavioral2/memory/3832-20-0x00000000005F0000-0x0000000000610000-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

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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe

Executes dropped EXE 2 IoCs

pid	Process
2124	KwjDmf.exe
3832	MSUpdates.exe

Loads dropped DLL 1 IoCs

pid	Process
3832	MSUpdates.exe

Drops file in System32 directory 7 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\2011	JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe
File created	C:\Windows\SysWOW64\2011\__tmp_rar_sfx_access_check_240626781	JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe
File created	C:\Windows\SysWOW64\2011\xxx.jpg	JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe
File opened for modification	C:\Windows\SysWOW64\2011\xxx.jpg	JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe
File created	C:\Windows\SysWOW64\2011\KwjDmf.exe	JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe
File opened for modification	C:\Windows\SysWOW64\2011\KwjDmf.exe	JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe
File created	C:\Windows\SysWOW64\billlog.dat	MSUpdates.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WindowsUpdate\enlpu.dll	KwjDmf.exe
File created	C:\Program Files (x86)\WindowsUpdate\MSUpdates.exe	KwjDmf.exe

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 3 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	MSUpdates.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KwjDmf.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe
3832	MSUpdates.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe
Token: SeShutdownPrivilege	3832	MSUpdates.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 2124	4416	JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe	83
PID 4416 wrote to memory of 2124	4416	JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe	83
PID 4416 wrote to memory of 2124	4416	JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe	83
PID 2124 wrote to memory of 3832	2124	KwjDmf.exe	84
PID 2124 wrote to memory of 3832	2124	KwjDmf.exe	84
PID 2124 wrote to memory of 3832	2124	KwjDmf.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4627e0eb368db3078c894b88e7d54b38.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\SysWOW64\2011\KwjDmf.exe
  "C:\Windows\system32\2011\KwjDmf.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Program Files (x86)\WindowsUpdate\MSUpdates.exe
    fuck007
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:3832

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

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:\Program Files (x86)\WindowsUpdate\MSUpdates.exe

Filesize
140KB

MD5
c02c72c5d403c863e7db9ffed8d1349d

SHA1
f450415234c2d1feba88b4ba27844a87036afd6b

SHA256
2f65957a4d77d4d04a058c715ed3599031dc3d3757d6a05343b76f5238d36eb6

SHA512
9264b2e63c8bd32cb4ddf5c9c5f90a34b9bd165572db87340d311bb05ccef66e75f534312c2107734cef4d46071549e287e98bbc4052f889d19b02b6205ab8ba

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\XH3Z2ZON\ips138[1].htm

Filesize
162B

MD5
4f8e702cc244ec5d4de32740c0ecbd97

SHA1
3adb1f02d5b6054de0046e367c1d687b6cdf7aff

SHA256
9e17cb15dd75bbbd5dbb984eda674863c3b10ab72613cf8a39a00c3e11a8492a

SHA512
21047fea5269fee75a2a187aa09316519e35068cb2f2f76cfaf371e5224445e9d5c98497bd76fb9608d2b73e9dac1a3f5bfadfdc4623c479d53ecf93d81d3c9f

Download Submit
C:\Windows\SysWOW64\2011\KwjDmf.exe

Filesize
80KB

MD5
0901ab3ee78d8cdaf5a29ba0f42025df

SHA1
bad10c2383a858b043af3b59cd524f696ba3f381

SHA256
abf1fb8458ae262e3466481984ef85c8006235c7c0bb2c530dfb9c05ff3245e8

SHA512
02641e36edfbf0c509945634363f067d1cb1613d3228ad1ec3ac730966fb0476ce04c9b2c521491c84afdea723aaa6e25dc120b146df8ef5ad0037799fe695c3

Download Submit
C:\Windows\SysWOW64\2011\xxx.jpg

Filesize
315KB

MD5
b921bc20956b933e704d6ab938736a36

SHA1
aafd9f393e9792c759b24d85da0d1d44c744d930

SHA256
e126f021881daff79636126967c10e1d338af5930db2ba1c0fe03a340eca5d8f

SHA512
c8a1f88f85e797315937807d4d4b363ea2ddaa2d551efb76c119a7e0061e6b9af13314808e63f2fb9c53341c761a79e9ebeb2646e730cbb69099dc1462764deb

Download Submit
memory/2124-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2124-24-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3832-20-0x00000000005F0000-0x0000000000610000-memory.dmp

Filesize
128KB

Download

Analysis

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