gh0strat | d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be

General

Target

d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe
Size

767KB
MD5

5e56b372b31ae8003718eab35b760da0
SHA1

b71ecff2cdd0fc8bb0994d217a493f87047dea53
SHA256

d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be
SHA512

f432364c3092ce9801369b0e5b65a6ae7135520ecf74f227c08fbd3da45563b8f55f6014c3b245381c2df38868a22fe8608f54179fb7da00bce02f71b63e2ec9
SSDEEP

12288:NMvnmkz220hLf1Trc9j+g3tMHzpgO5163YpqclmZfiIxrO+SHUpsTGpi0nXfs87f:Wvmc2fhJWSg3tOzpgO16IUclhI4Icb0+

Score

10^/10

gh0strat evasion persistence rat themida

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1228-59-0x0000000000400000-0x00000000005A2000-memory.dmp	family_gh0strat
C:\Users\Admin\AppData\Local\Temp\7088981_lang.dll	family_gh0strat
\Users\Admin\AppData\Local\Temp\7088981_lang.dll	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

Modifies Installed Components in the registry 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

userinit.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50B408CD-225E-423b-BAA3-C0F3D3F7F20B}\ = "ÏµÍ³ÉèÖÃ"	userinit.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{50B408CD-225E-423b-BAA3-C0F3D3F7F20B}\stubpath = "þÿÿÿX"	userinit.exe
Key created	\REGISTRY\MACHINE\Software\Wow6432Node\Microsoft\Active Setup\Installed Components\{50B408CD-225E-423b-BAA3-C0F3D3F7F20B}	userinit.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Wine	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe

Loads dropped DLL 1 IoCs

Processes:

userinit.exe

pid process

2036 userinit.exe

pid	process
2036	userinit.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1228-55-0x0000000000400000-0x00000000005A2000-memory.dmp	themida
behavioral1/memory/1228-59-0x0000000000400000-0x00000000005A2000-memory.dmp	themida

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe

pid process

1228 d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe

pid	process
1228	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe
1228	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe

description pid process

Token: SeDebugPrivilege 1228 d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe

description	pid	process
Token: SeDebugPrivilege	1228	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe

description	pid	process	target process
PID 1228 wrote to memory of 2036	1228	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe	userinit.exe
PID 1228 wrote to memory of 2036	1228	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe	userinit.exe
PID 1228 wrote to memory of 2036	1228	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe	userinit.exe
PID 1228 wrote to memory of 2036	1228	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe	userinit.exe
PID 1228 wrote to memory of 2036	1228	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe	userinit.exe
PID 1228 wrote to memory of 2036	1228	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe	userinit.exe
PID 1228 wrote to memory of 2036	1228	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe	userinit.exe
PID 1228 wrote to memory of 2036	1228	d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe	userinit.exe

C:\Users\Admin\AppData\Local\Temp\d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe
"C:\Users\Admin\AppData\Local\Temp\d61cd9ba464b13d4a8a2710d3fa24a30532520311373e65caffd7b7862a5f1be.exe"
1⤵
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1228

C:\Windows\SysWOW64\userinit.exe
userinit.exe
2⤵
- Modifies Installed Components in the registry
- Loads dropped DLL
PID:2036

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

1

T1012

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\7088981_lang.dll

Filesize
122KB

MD5
9591a675d0036e72f2f3d6266b50c435

SHA1
1df0be00309aaea4d21d478deb6bbe1799315827

SHA256
995751efd41fc6399fe1c0a1f4f3fb7c8355feac8031361f49c0f96782331360

SHA512
e6a7f5233666aab6f41e991620a686723f6835be15d4dad17ae912081ecec17c10c4284a3389d62de09c68db0aec384e735ef9c093d4c6d59d649e623524c872

Download Submit
\Users\Admin\AppData\Local\Temp\7088981_lang.dll

Filesize
122KB

MD5
9591a675d0036e72f2f3d6266b50c435

SHA1
1df0be00309aaea4d21d478deb6bbe1799315827

SHA256
995751efd41fc6399fe1c0a1f4f3fb7c8355feac8031361f49c0f96782331360

SHA512
e6a7f5233666aab6f41e991620a686723f6835be15d4dad17ae912081ecec17c10c4284a3389d62de09c68db0aec384e735ef9c093d4c6d59d649e623524c872

Download Submit
memory/1228-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

Filesize
8KB

Download
memory/1228-55-0x0000000000400000-0x00000000005A2000-memory.dmp

Filesize
1.6MB

Download
memory/1228-56-0x0000000000230000-0x00000000003D2000-memory.dmp

Filesize
1.6MB

Download
memory/1228-59-0x0000000000400000-0x00000000005A2000-memory.dmp

Filesize
1.6MB

Download
memory/1228-60-0x0000000000230000-0x000000000023D000-memory.dmp

Filesize
52KB

Download
memory/2036-57-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads