gh0strat | 8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9

General

Target

8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9.exe
Size

375KB
MD5

4a2f1bed70e52a773c6473a07e4b080b
SHA1

2f87a792d0042383c7c1a7ff6304afe7f33e471c
SHA256

8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9
SHA512

43a02d84c8f545e78f1fb0ae306f45b5eac8aa08c3b9bd40b3b23f535d60741b182a366c4aaef7a18e8ec94939977fef603d65302c215df613a1ef46a194e215
SSDEEP

6144:Ov5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:O4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 14 IoCs

resource	yara_rule
behavioral1/memory/5020-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5020-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5020-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4940-147-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3016-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3016-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4940-156-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3016-158-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5096-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4768-177-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5096-178-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4768-180-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3016-181-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4768-182-0x0000000010000000-0x0000000010362000-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
4940	SQLSerasi.exe
3016	SQLSerasi.exe
5096	SQLSerasi.exe
4768	SQLSerasi.exe

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/5020-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5020-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5020-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5020-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4940-147-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3016-151-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3016-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3016-155-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4940-156-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3016-158-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5096-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4768-177-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5096-178-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4768-180-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3016-181-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4768-182-0x0000000010000000-0x0000000010362000-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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9.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	8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9.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
4092	3016	WerFault.exe	81

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\0	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	SQLSerasi.exe
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

Modifies data under HKEY_USERS 8 IoCs

description	ioc	Process
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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	5020	8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9.exe
Token: SeDebugPrivilege	4940	SQLSerasi.exe
Token: SeDebugPrivilege	3016	SQLSerasi.exe
Token: SeDebugPrivilege	3016	SQLSerasi.exe
Token: SeDebugPrivilege	3016	SQLSerasi.exe
Token: SeDebugPrivilege	5096	SQLSerasi.exe
Token: SeDebugPrivilege	4768	SQLSerasi.exe
Token: SeDebugPrivilege	4768	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 4940	5020	8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9.exe	80
PID 5020 wrote to memory of 4940	5020	8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9.exe	80
PID 5020 wrote to memory of 4940	5020	8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9.exe	80
PID 3016 wrote to memory of 5096	3016	SQLSerasi.exe	82
PID 3016 wrote to memory of 5096	3016	SQLSerasi.exe	82
PID 3016 wrote to memory of 5096	3016	SQLSerasi.exe	82
PID 3016 wrote to memory of 4768	3016	SQLSerasi.exe	84
PID 3016 wrote to memory of 4768	3016	SQLSerasi.exe	84
PID 3016 wrote to memory of 4768	3016	SQLSerasi.exe	84

C:\Users\Admin\AppData\Local\Temp\8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9.exe
"C:\Users\Admin\AppData\Local\Temp\8c8fce2cd1904725403896d6f1d1b3b3c5f4d1b610a39965e5723459385e86a9.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5020
- 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:4940

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:3016
- 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:5096
- 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:4768
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3016 -s 644
  2⤵
  - Program crash
  PID:4092

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3016 -ip 3016
1⤵
PID:4236

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
09f3badd8dba6799fc2ee96cfa2a702e

SHA1
915d63bd56136009da772eb7b38593d1ae8841f5

SHA256
e3f82dbd12eeb3d0593221b95b1bb8a54016b1afd2178fbd00e7b5becec24223

SHA512
bf5006bd902a24224a3ae2ea5f7bd6ad127eef6e20237aa5edd83b3ba14bf078b82235b9af3487e9e1a89a400ad367d742fc22cee8a25b11f27a2be532812575

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

Filesize
39.4MB

MD5
09f3badd8dba6799fc2ee96cfa2a702e

SHA1
915d63bd56136009da772eb7b38593d1ae8841f5

SHA256
e3f82dbd12eeb3d0593221b95b1bb8a54016b1afd2178fbd00e7b5becec24223

SHA512
bf5006bd902a24224a3ae2ea5f7bd6ad127eef6e20237aa5edd83b3ba14bf078b82235b9af3487e9e1a89a400ad367d742fc22cee8a25b11f27a2be532812575

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

Filesize
39.4MB

MD5
09f3badd8dba6799fc2ee96cfa2a702e

SHA1
915d63bd56136009da772eb7b38593d1ae8841f5

SHA256
e3f82dbd12eeb3d0593221b95b1bb8a54016b1afd2178fbd00e7b5becec24223

SHA512
bf5006bd902a24224a3ae2ea5f7bd6ad127eef6e20237aa5edd83b3ba14bf078b82235b9af3487e9e1a89a400ad367d742fc22cee8a25b11f27a2be532812575

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

Filesize
39.4MB

MD5
09f3badd8dba6799fc2ee96cfa2a702e

SHA1
915d63bd56136009da772eb7b38593d1ae8841f5

SHA256
e3f82dbd12eeb3d0593221b95b1bb8a54016b1afd2178fbd00e7b5becec24223

SHA512
bf5006bd902a24224a3ae2ea5f7bd6ad127eef6e20237aa5edd83b3ba14bf078b82235b9af3487e9e1a89a400ad367d742fc22cee8a25b11f27a2be532812575

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

Filesize
39.4MB

MD5
09f3badd8dba6799fc2ee96cfa2a702e

SHA1
915d63bd56136009da772eb7b38593d1ae8841f5

SHA256
e3f82dbd12eeb3d0593221b95b1bb8a54016b1afd2178fbd00e7b5becec24223

SHA512
bf5006bd902a24224a3ae2ea5f7bd6ad127eef6e20237aa5edd83b3ba14bf078b82235b9af3487e9e1a89a400ad367d742fc22cee8a25b11f27a2be532812575

Download Submit
memory/3016-181-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3016-158-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3016-157-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3016-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3016-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3016-151-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4768-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4768-182-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4768-180-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4768-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4940-147-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4940-156-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4940-149-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4940-159-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5020-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5020-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5020-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5020-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5020-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5020-142-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5096-173-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/5096-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5096-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5096-179-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads