gh0strat | f0939b4c1b666b56f4ab532c5facf3ffab9d98b72bcbc7227f7e72cf1d629b27

Analysis

max time kernel
148s
max time network
121s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 06:03

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General

Target

0a1df81fa676026fcf4fc52d5dce5316.exe
Size

117KB
MD5

0a1df81fa676026fcf4fc52d5dce5316
SHA1

5ec48650f2931cf1a91b74744dda5253629bad5e
SHA256

f0939b4c1b666b56f4ab532c5facf3ffab9d98b72bcbc7227f7e72cf1d629b27
SHA512

84a04ab3bb54ecef996f29395fb2c5462b39c1c1196860df2fef570c216ca5db85e8ed5909a672e27a380772c6719df0904b97b86e20df2e02afbfc1592543a1
SSDEEP

3072:u6aPDNySoINvmV1MSNa7y+T9ZU65KH1xjlWnsihabzn0Dk1X:u6aRCINvm4SNoxZgVnWsyaznd5

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 3 IoCs

resource	yara_rule
behavioral1/memory/2216-0-0x0000000000400000-0x000000000041F000-memory.dmp	family_gh0strat
behavioral1/files/0x00090000000141e6-2.dat	family_gh0strat
behavioral1/memory/2184-4-0x0000000010000000-0x000000001001C000-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

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\360svc\Parameters\ServiceDll = "C:\\WINDOWS\\system32\\dllcache\\ntser.dll"	0a1df81fa676026fcf4fc52d5dce5316.exe

Deletes itself 1 IoCs

pid	Process
2184	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2184	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\SysWOW64\dllcache	0a1df81fa676026fcf4fc52d5dce5316.exe
File created	C:\WINDOWS\SysWOW64\dllcache\ntser.dll	0a1df81fa676026fcf4fc52d5dce5316.exe

C:\Users\Admin\AppData\Local\Temp\0a1df81fa676026fcf4fc52d5dce5316.exe
"C:\Users\Admin\AppData\Local\Temp\0a1df81fa676026fcf4fc52d5dce5316.exe"
1⤵
- Sets DLL path for service in the registry
- Drops file in System32 directory
PID:2216

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Deletes itself
- Loads dropped DLL
PID:2184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\windows\SysWOW64\dllcache\ntser.dll

Filesize
103KB

MD5
56607c05f6afcb744097e971a37ced33

SHA1
4ef7d7387da1affae0cdb1988d489c05e2679538

SHA256
eea240b7c58c9413a4009497315a3468b9995bf7830fc911871e724a3ecafc77

SHA512
aecfbcbe9d33264eb8b49b65080a5d9ea09f7e2f3332b4bed8c4e4e8fe12ee8902302685c128033f797ed8f1c9ee44d8cc509138e7e693e61d3975285203671a

Download Submit
memory/2184-4-0x0000000010000000-0x000000001001C000-memory.dmp

Filesize
112KB

Download
memory/2216-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads