gh0strat | e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb

General

Target

e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb.exe
Size

375KB
MD5

58a47ace845be170647c08065dda63a2
SHA1

b309c1c7273fd50f749e6ff5b69eaf7897ca9ec8
SHA256

e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb
SHA512

6ae2ed79269e5f9a8bc155dfa4ba4cdc9f910646c822b7bf5c36159bc82dea20c7c81d3bdde5ccd28ce8d4f7774952cab483fac2ea95775fe6761a6292dd4535
SSDEEP

6144:2v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:24VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2236-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2236-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2236-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4816-147-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4816-152-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3720-155-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3720-156-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3720-158-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3720-161-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3496-177-0x0000000010000000-0x0000000010362000-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
4816	SQLSerasi.exe
3720	SQLSerasi.exe
3496	SQLSerasi.exe
2888	SQLSerasi.exe

UPX packed file 12 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2236-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2236-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2236-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2236-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4816-147-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4816-152-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3720-151-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3720-155-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3720-156-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3720-158-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3720-161-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3496-177-0x0000000010000000-0x0000000010362000-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	e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb.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	e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb.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
4372	3720	WerFault.exe	87

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\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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\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\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	2236	e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb.exe
Token: SeDebugPrivilege	4816	SQLSerasi.exe
Token: SeDebugPrivilege	3720	SQLSerasi.exe
Token: SeDebugPrivilege	3720	SQLSerasi.exe
Token: SeDebugPrivilege	3720	SQLSerasi.exe
Token: SeDebugPrivilege	3496	SQLSerasi.exe
Token: SeDebugPrivilege	2888	SQLSerasi.exe
Token: SeDebugPrivilege	3496	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 4816	2236	e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb.exe	83
PID 2236 wrote to memory of 4816	2236	e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb.exe	83
PID 2236 wrote to memory of 4816	2236	e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb.exe	83
PID 3720 wrote to memory of 3496	3720	SQLSerasi.exe	90
PID 3720 wrote to memory of 3496	3720	SQLSerasi.exe	90
PID 3720 wrote to memory of 3496	3720	SQLSerasi.exe	90
PID 3720 wrote to memory of 2888	3720	SQLSerasi.exe	89
PID 3720 wrote to memory of 2888	3720	SQLSerasi.exe	89
PID 3720 wrote to memory of 2888	3720	SQLSerasi.exe	89

C:\Users\Admin\AppData\Local\Temp\e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb.exe
"C:\Users\Admin\AppData\Local\Temp\e586139d7d5a08563384035624ae5522ed72b5e86cbd162aae32a2e0769a9ceb.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2236
- 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:4816

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:3720
- 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:2888
- 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:3496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3720 -s 584
  2⤵
  - Program crash
  PID:4372

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3720 -ip 3720
1⤵
PID:3056

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
dcc00d0fb7a02b81d79596ea76f08b8f

SHA1
b05c3e3dbbd921389cdf3818aa4dab55087a7ec8

SHA256
d2d44a52f8687f21c845970fd45fca5baad0ded06502a42dfd91190ac2f70ff3

SHA512
6ffc1ff459c18cf3fe6f9d3e0e13d22e8070ee77bf78a8e28ec010ce6d4bb98513ab8dec214940877b5eb7fb6ffa441005727ea09eb52b8753c5da2ca2d60f7a

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

Filesize
39.4MB

MD5
dcc00d0fb7a02b81d79596ea76f08b8f

SHA1
b05c3e3dbbd921389cdf3818aa4dab55087a7ec8

SHA256
d2d44a52f8687f21c845970fd45fca5baad0ded06502a42dfd91190ac2f70ff3

SHA512
6ffc1ff459c18cf3fe6f9d3e0e13d22e8070ee77bf78a8e28ec010ce6d4bb98513ab8dec214940877b5eb7fb6ffa441005727ea09eb52b8753c5da2ca2d60f7a

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

Filesize
39.4MB

MD5
dcc00d0fb7a02b81d79596ea76f08b8f

SHA1
b05c3e3dbbd921389cdf3818aa4dab55087a7ec8

SHA256
d2d44a52f8687f21c845970fd45fca5baad0ded06502a42dfd91190ac2f70ff3

SHA512
6ffc1ff459c18cf3fe6f9d3e0e13d22e8070ee77bf78a8e28ec010ce6d4bb98513ab8dec214940877b5eb7fb6ffa441005727ea09eb52b8753c5da2ca2d60f7a

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

Filesize
39.4MB

MD5
dcc00d0fb7a02b81d79596ea76f08b8f

SHA1
b05c3e3dbbd921389cdf3818aa4dab55087a7ec8

SHA256
d2d44a52f8687f21c845970fd45fca5baad0ded06502a42dfd91190ac2f70ff3

SHA512
6ffc1ff459c18cf3fe6f9d3e0e13d22e8070ee77bf78a8e28ec010ce6d4bb98513ab8dec214940877b5eb7fb6ffa441005727ea09eb52b8753c5da2ca2d60f7a

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

Filesize
39.4MB

MD5
dcc00d0fb7a02b81d79596ea76f08b8f

SHA1
b05c3e3dbbd921389cdf3818aa4dab55087a7ec8

SHA256
d2d44a52f8687f21c845970fd45fca5baad0ded06502a42dfd91190ac2f70ff3

SHA512
6ffc1ff459c18cf3fe6f9d3e0e13d22e8070ee77bf78a8e28ec010ce6d4bb98513ab8dec214940877b5eb7fb6ffa441005727ea09eb52b8753c5da2ca2d60f7a

Download Submit
memory/2236-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2236-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2236-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2236-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2236-142-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2236-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2888-179-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2888-176-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2888-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2888-180-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3496-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3496-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3720-157-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3720-161-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3720-158-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3720-156-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3720-155-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3720-151-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4816-159-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4816-152-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4816-148-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4816-147-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads