gh0strat | c08d7461bc03edc0ef678150358939cf40946d39379249420bc6e36ba80a0f5a

Analysis

max time kernel
163s
max time network
81s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 23:23

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General

Target

06d05514d5cc27f3ed6e043f983c8ec0.exe
Size

113KB
MD5

06d05514d5cc27f3ed6e043f983c8ec0
SHA1

fae60ff7510356e3ffd3f60b9bed6b00d1a24bf5
SHA256

c08d7461bc03edc0ef678150358939cf40946d39379249420bc6e36ba80a0f5a
SHA512

54e446b2c3bdb125725336597ce990c7089ea631cdcdfe0ac1626d16d6089e63fd33616f2c0bb37f5d752a1955a5ca4c0584a12d0c44d87313798c50da66fe3a
SSDEEP

3072:m3RxsS5B2IknGgVgZmuVHWhp+pN6L5N+uTCi:m3RxsSbXknGr8KW7QNW5N+uW

Score

10^/10

gh0strat persistence rat

Malware Config

Signatures

Gh0st RAT payload 4 IoCs

resource	yara_rule
behavioral1/memory/2968-0-0x0000000000400000-0x000000000041E000-memory.dmp	family_gh0strat
behavioral1/files/0x000a00000001225a-6.dat	family_gh0strat
behavioral1/files/0x000a00000001225a-4.dat	family_gh0strat
behavioral1/memory/2968-5-0x0000000000400000-0x000000000041E000-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\FastUserSwitchingCompatibility\Parameters\ServiceDll = "C:\\Windows\\system32\\FastUserSwitchingCompatibilitymon.dll"	06d05514d5cc27f3ed6e043f983c8ec0.exe

Deletes itself 1 IoCs

pid	Process
2164	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2164	svchost.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\FastUserSwitchingCompatibilitymon.dll	06d05514d5cc27f3ed6e043f983c8ec0.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2164	svchost.exe

C:\Users\Admin\AppData\Local\Temp\06d05514d5cc27f3ed6e043f983c8ec0.exe
"C:\Users\Admin\AppData\Local\Temp\06d05514d5cc27f3ed6e043f983c8ec0.exe"
1⤵
- Sets DLL path for service in the registry
- Drops file in System32 directory
PID:2968

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k netsvcs
1⤵
- Deletes itself
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2164

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

Replay Monitor

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Downloads

\??\c:\windows\SysWOW64\fastuserswitchingcompatibilitymon.dll

Filesize
103KB

MD5
06672cc11ae2b9717271b9b7a9cf7e5f

SHA1
dc1d2216ec62dd853b8d24348035feff102cb9e3

SHA256
4f78b9f281547bc893cf7ef7b06ea7537c8268b9885a366816c175f06ae0d619

SHA512
0ac4afc04aa8f2b0394d65f61640831bc86a9118018dcacbfa5d3c31c682c76d1c779cda19169d02a51cfa7315e190bb87c83c56732a81162b754059c8076a97

Download Submit
\Windows\SysWOW64\FastUserSwitchingCompatibilitymon.dll

Filesize
74KB

MD5
e56d3bd182987b82973196a9ae63e0e5

SHA1
dab624d44279581f43862f5f3ae0c45eba20fea4

SHA256
91ad8b9c45cfa40634094b8437a28cd6508cad630f5b6f985cbb5e5b1d701ea0

SHA512
8c92e221169359d290359fa61331fd0cea872b0f872954dd413f85710452b9c32609346eb80f5b5fc5ceaa7e7662657da6e517578c7fa66e018868f63a775634

Download Submit
memory/2968-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2968-5-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download