gh0strat | bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5

General

Target

bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.exe
Size

375KB
MD5

63165b30ddcb8563f60c447383be9e7e
SHA1

071cefb7740b09c22c1b560b1a4674cb7194eb4b
SHA256

bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5
SHA512

811733f702856c3cf104d85f29e4008146a9f2913e6c30ed77002f78d2335f2b876f2241818960b453e0f3a9e88504d65b2a1c951795e1800dfa9060476a39ff
SSDEEP

6144:dv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:d4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2112-135-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2112-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2112-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4904-153-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4904-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4772-156-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4904-159-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2264-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4788-177-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4788-180-0x0000000010000000-0x0000000010362000-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
4772	SQLSerasi.exe
4904	SQLSerasi.exe
4788	SQLSerasi.exe
2264	SQLSerasi.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2112-132-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2112-135-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2112-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2112-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4904-150-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4904-153-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4904-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4772-156-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4904-159-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2264-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4788-177-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4788-180-0x0000000010000000-0x0000000010362000-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	bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.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 opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.exe
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.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
4560	4904	WerFault.exe	82

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 (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
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

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2112	bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.exe
Token: SeDebugPrivilege	4772	SQLSerasi.exe
Token: SeDebugPrivilege	4904	SQLSerasi.exe
Token: SeDebugPrivilege	4904	SQLSerasi.exe
Token: SeDebugPrivilege	4904	SQLSerasi.exe
Token: SeDebugPrivilege	2264	SQLSerasi.exe
Token: SeDebugPrivilege	4788	SQLSerasi.exe
Token: SeDebugPrivilege	4788	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 4772	2112	bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.exe	81
PID 2112 wrote to memory of 4772	2112	bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.exe	81
PID 2112 wrote to memory of 4772	2112	bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.exe	81
PID 4904 wrote to memory of 4788	4904	SQLSerasi.exe	83
PID 4904 wrote to memory of 4788	4904	SQLSerasi.exe	83
PID 4904 wrote to memory of 4788	4904	SQLSerasi.exe	83
PID 4904 wrote to memory of 2264	4904	SQLSerasi.exe	84
PID 4904 wrote to memory of 2264	4904	SQLSerasi.exe	84
PID 4904 wrote to memory of 2264	4904	SQLSerasi.exe	84

C:\Users\Admin\AppData\Local\Temp\bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.exe
"C:\Users\Admin\AppData\Local\Temp\bccbe0e2548da3747dba45f66e127f71f29acd6b5a7aceeddfaad0f8d5ed37d5.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2112
- 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:4772

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:4904
- 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:4788
- 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:2264
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 496
  2⤵
  - Program crash
  PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4904 -ip 4904
1⤵
PID:3384

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

Replay Monitor

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Downloads

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

Filesize
39.4MB

MD5
e2389b5ef09baea5d86973be86b088f3

SHA1
b2a4e768021df2b331a49b3fdc25dd6f2322ebe6

SHA256
25e721e04751dff95baede7ef531a23a9fcf90237cfed889760080bcf25ac91c

SHA512
f229ac057d2fba7d684b3700fa1247f283fdbabefd5e1aaeae3f0302e9041a06e3f8f911722d10bb8bb96a3353cbb306d542cf1819407edc623de39c01e4ec29

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

Filesize
39.4MB

MD5
e2389b5ef09baea5d86973be86b088f3

SHA1
b2a4e768021df2b331a49b3fdc25dd6f2322ebe6

SHA256
25e721e04751dff95baede7ef531a23a9fcf90237cfed889760080bcf25ac91c

SHA512
f229ac057d2fba7d684b3700fa1247f283fdbabefd5e1aaeae3f0302e9041a06e3f8f911722d10bb8bb96a3353cbb306d542cf1819407edc623de39c01e4ec29

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

Filesize
39.4MB

MD5
e2389b5ef09baea5d86973be86b088f3

SHA1
b2a4e768021df2b331a49b3fdc25dd6f2322ebe6

SHA256
25e721e04751dff95baede7ef531a23a9fcf90237cfed889760080bcf25ac91c

SHA512
f229ac057d2fba7d684b3700fa1247f283fdbabefd5e1aaeae3f0302e9041a06e3f8f911722d10bb8bb96a3353cbb306d542cf1819407edc623de39c01e4ec29

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

Filesize
39.4MB

MD5
e2389b5ef09baea5d86973be86b088f3

SHA1
b2a4e768021df2b331a49b3fdc25dd6f2322ebe6

SHA256
25e721e04751dff95baede7ef531a23a9fcf90237cfed889760080bcf25ac91c

SHA512
f229ac057d2fba7d684b3700fa1247f283fdbabefd5e1aaeae3f0302e9041a06e3f8f911722d10bb8bb96a3353cbb306d542cf1819407edc623de39c01e4ec29

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

Filesize
39.4MB

MD5
e2389b5ef09baea5d86973be86b088f3

SHA1
b2a4e768021df2b331a49b3fdc25dd6f2322ebe6

SHA256
25e721e04751dff95baede7ef531a23a9fcf90237cfed889760080bcf25ac91c

SHA512
f229ac057d2fba7d684b3700fa1247f283fdbabefd5e1aaeae3f0302e9041a06e3f8f911722d10bb8bb96a3353cbb306d542cf1819407edc623de39c01e4ec29

Download Submit
memory/2112-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2112-137-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2112-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2112-143-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2112-132-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2112-135-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2264-178-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2264-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2264-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4772-146-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4772-179-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4772-157-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4772-156-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4772-155-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4788-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4788-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4788-180-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4904-150-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4904-159-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4904-153-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4904-158-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4904-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads