gh0strat | fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5

General

Target

fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5.exe
Size

375KB
MD5

2f2ec85ee1e50ad79f1d896b2d2848f9
SHA1

7850edff8ec753e88fb10eaeb3b4ce71b377b4a8
SHA256

fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5
SHA512

b01b05fc7983ef062da16fe3005161948a880b18dadc326bd72da5f337cf669b09204b535978e3e1c07714382b1934b0f1d130fe0a9b5f64a0d62db16bb5c6b6
SSDEEP

6144:Gv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:G4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/4808-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4808-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4808-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4452-152-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4452-153-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4452-158-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2544-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2772-175-0x0000000010000000-0x0000000010362000-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

Executes dropped EXE 4 IoCs

pid	Process
2544	SQLSerasi.exe
4452	SQLSerasi.exe
2772	SQLSerasi.exe
4456	SQLSerasi.exe

UPX packed file 10 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/4808-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4808-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4808-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4808-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4452-149-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4452-152-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4452-153-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4452-158-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2544-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2772-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx

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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	SQLSerasi.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	SQLSerasi.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
320	4452	WerFault.exe	86

Checks processor information in registry 2 TTPs 5 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	SQLSerasi.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\2	SQLSerasi.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SQLSerasi.exe

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	SQLSerasi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	SQLSerasi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	SQLSerasi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	4808	fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5.exe
Token: SeDebugPrivilege	2544	SQLSerasi.exe
Token: SeDebugPrivilege	4452	SQLSerasi.exe
Token: SeDebugPrivilege	4452	SQLSerasi.exe
Token: SeDebugPrivilege	4452	SQLSerasi.exe
Token: SeDebugPrivilege	2772	SQLSerasi.exe
Token: SeDebugPrivilege	4456	SQLSerasi.exe
Token: SeDebugPrivilege	2772	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 2544	4808	fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5.exe	85
PID 4808 wrote to memory of 2544	4808	fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5.exe	85
PID 4808 wrote to memory of 2544	4808	fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5.exe	85
PID 4452 wrote to memory of 2772	4452	SQLSerasi.exe	87
PID 4452 wrote to memory of 2772	4452	SQLSerasi.exe	87
PID 4452 wrote to memory of 2772	4452	SQLSerasi.exe	87
PID 4452 wrote to memory of 4456	4452	SQLSerasi.exe	89
PID 4452 wrote to memory of 4456	4452	SQLSerasi.exe	89
PID 4452 wrote to memory of 4456	4452	SQLSerasi.exe	89

C:\Users\Admin\AppData\Local\Temp\fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5.exe
"C:\Users\Admin\AppData\Local\Temp\fd0cc697f8918a9d9959cc6c9984a2e477e9dbb55bef6f0beec002a63aa8d9d5.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
  "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2544

C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
"C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4452
- C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
  "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Checks processor information in registry
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:2772
- C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
  "C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4456
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4452 -s 572
  2⤵
  - Program crash
  PID:320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4452 -ip 4452
1⤵
PID:912

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
f6ad56b95136e54452c6204570e1c7ce

SHA1
b0527a4ecc2a6da17864d96b87ad29215e0847d7

SHA256
c5a2be39b6bc8fed127d0346ff323adbbd4f7e47ef4a7869e7d926ba879a42dc

SHA512
aadab7e555ee6160f9b5487b44ecde9ab947278dbab6db31a888faf8fb403f4d0c760f5dd9bac4ec65aa46cdceba85f6daddaf3bd8b37eca363adf7d63772baf

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
f6ad56b95136e54452c6204570e1c7ce

SHA1
b0527a4ecc2a6da17864d96b87ad29215e0847d7

SHA256
c5a2be39b6bc8fed127d0346ff323adbbd4f7e47ef4a7869e7d926ba879a42dc

SHA512
aadab7e555ee6160f9b5487b44ecde9ab947278dbab6db31a888faf8fb403f4d0c760f5dd9bac4ec65aa46cdceba85f6daddaf3bd8b37eca363adf7d63772baf

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
f6ad56b95136e54452c6204570e1c7ce

SHA1
b0527a4ecc2a6da17864d96b87ad29215e0847d7

SHA256
c5a2be39b6bc8fed127d0346ff323adbbd4f7e47ef4a7869e7d926ba879a42dc

SHA512
aadab7e555ee6160f9b5487b44ecde9ab947278dbab6db31a888faf8fb403f4d0c760f5dd9bac4ec65aa46cdceba85f6daddaf3bd8b37eca363adf7d63772baf

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
f6ad56b95136e54452c6204570e1c7ce

SHA1
b0527a4ecc2a6da17864d96b87ad29215e0847d7

SHA256
c5a2be39b6bc8fed127d0346ff323adbbd4f7e47ef4a7869e7d926ba879a42dc

SHA512
aadab7e555ee6160f9b5487b44ecde9ab947278dbab6db31a888faf8fb403f4d0c760f5dd9bac4ec65aa46cdceba85f6daddaf3bd8b37eca363adf7d63772baf

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe

Filesize
39.4MB

MD5
f6ad56b95136e54452c6204570e1c7ce

SHA1
b0527a4ecc2a6da17864d96b87ad29215e0847d7

SHA256
c5a2be39b6bc8fed127d0346ff323adbbd4f7e47ef4a7869e7d926ba879a42dc

SHA512
aadab7e555ee6160f9b5487b44ecde9ab947278dbab6db31a888faf8fb403f4d0c760f5dd9bac4ec65aa46cdceba85f6daddaf3bd8b37eca363adf7d63772baf

Download Submit
memory/2544-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2544-155-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2772-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2772-172-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4452-153-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4452-149-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4452-156-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4452-158-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4452-152-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4456-173-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4456-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4808-142-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4808-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4808-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4808-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4808-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4808-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads