gh0strat | 6f6a50274b775e84eec7418c339fa78a2311a9d0ac62661b3a784c80a26f452e

General

Target

c16249698a5d9897671e4631790584a8_JaffaCakes118.exe
Size

382KB
MD5

c16249698a5d9897671e4631790584a8
SHA1

28ece61400097cce0d6756747837e78648fa2df4
SHA256

6f6a50274b775e84eec7418c339fa78a2311a9d0ac62661b3a784c80a26f452e
SHA512

33c05c464ec98b02e6bce6b4e20f1f978080ad9dc0aec91e414dcaee1e14721761dccb62ea0cd1a846c4c8de6463dc0565e837463e991cdbe39a6f6e566df4ce
SSDEEP

6144:EzwWUfOM1ncs+ImlayQxV+hI1k6RCDKr/T:uCOSnclIgZQxVJLr/T

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001226d-6.dat	family_gh0strat
behavioral1/memory/2232-5-0x00000000005F0000-0x000000000060D000-memory.dmp	family_gh0strat
behavioral1/memory/2132-13-0x0000000000400000-0x000000000041D000-memory.dmp	family_gh0strat
behavioral1/files/0x0006000000019223-19.dat	family_gh0strat
behavioral1/memory/2132-20-0x0000000000400000-0x000000000041D000-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

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibility360.dll"	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2132	server.exe

Loads dropped DLL 3 IoCs

pid	Process
2232	c16249698a5d9897671e4631790584a8_JaffaCakes118.exe
2232	c16249698a5d9897671e4631790584a8_JaffaCakes118.exe
2520	SVCHOST.EXE

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibility360.dll	server.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	c16249698a5d9897671e4631790584a8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SVCHOST.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2132	2232	c16249698a5d9897671e4631790584a8_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2132	2232	c16249698a5d9897671e4631790584a8_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2132	2232	c16249698a5d9897671e4631790584a8_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2132	2232	c16249698a5d9897671e4631790584a8_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\c16249698a5d9897671e4631790584a8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c16249698a5d9897671e4631790584a8_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Server Software Component: Terminal Services DLL
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  PID:2132

C:\Windows\SysWOW64\SVCHOST.EXE
C:\Windows\SysWOW64\SVCHOST.EXE -K NETSVCS
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

1

T1505

Terminal Services DLL

1

T1505.005

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

\Users\Admin\AppData\Local\Temp\server.exe

Filesize
115KB

MD5
69132a4b687671954f8c634d44b7ac1d

SHA1
b99cc5ecd333e8df31e179c045495a93e86dc383

SHA256
a3b0b1254c99b702938c50e0742c33a5d0f5e19789f355678ff0ec74f9015c10

SHA512
1c84a2bf8a900747c53f1a010f46a9f3a40a3fb759c8f26b81739e898ea3a18311014a1100bfe36c67098a332a7d62c8a44f255a56cd510fbadaa2211072c3eb

Download Submit
\Windows\SysWOW64\FastUserSwitchingCompatibility360.dll

Filesize
97KB

MD5
faafd8cbbe29339c040392eeac87d15a

SHA1
37e48bfc0f10040e787f0076285ec7995f3c8a4b

SHA256
4c1db37d1d7cb3f37b029d2249d035696928dc62462e3621c334bf24b52aed83

SHA512
e0d68fa6aeabc75ac74c71e56d275d0993dfe58d38ccab197781c0a6ee1e3c3de56dabee6d287e706c9e4335f82211174f200c4118abff68fee554b5d9cd6968

Download Submit
memory/2132-13-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2132-20-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2232-1-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2232-5-0x00000000005F0000-0x000000000060D000-memory.dmp

Filesize
116KB

Download
memory/2232-11-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2232-10-0x00000000005F0000-0x000000000060D000-memory.dmp

Filesize
116KB

Download

Analysis

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