gh0strat | ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a

General

Target

ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a.exe
Size

375KB
MD5

d7c450a049507ca6f5659e0d0d69a633
SHA1

fcef2aa5a985f5d462b7e3f05cc27be957f400bf
SHA256

ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a
SHA512

6be3911a027513b42ffa787e89bfa46bd1826a8cbe32901a52e929c5e54ed2a5116ab661501930884532f9ec7bef240d52b470ef2aefdfca5143ac40ea81a7c0
SSDEEP

6144:Cv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:C4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/3068-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3068-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3068-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3452-153-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3452-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2288-156-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3452-159-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/480-176-0x0000000010000000-0x0000000010362000-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
2288	SQLSerasi.exe
3452	SQLSerasi.exe
480	SQLSerasi.exe
3484	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3068-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3068-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3068-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3068-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3452-150-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3452-153-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3452-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3452-159-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/480-176-0x0000000010000000-0x0000000010362000-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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a.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\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
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.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	ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a.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
4288	3452	WerFault.exe	85

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	3068	ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a.exe
Token: SeDebugPrivilege	2288	SQLSerasi.exe
Token: SeDebugPrivilege	3452	SQLSerasi.exe
Token: SeDebugPrivilege	3452	SQLSerasi.exe
Token: SeDebugPrivilege	3452	SQLSerasi.exe
Token: SeDebugPrivilege	480	SQLSerasi.exe
Token: SeDebugPrivilege	3484	SQLSerasi.exe
Token: SeDebugPrivilege	480	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2288	3068	ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a.exe	84
PID 3068 wrote to memory of 2288	3068	ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a.exe	84
PID 3068 wrote to memory of 2288	3068	ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a.exe	84
PID 3452 wrote to memory of 480	3452	SQLSerasi.exe	90
PID 3452 wrote to memory of 480	3452	SQLSerasi.exe	90
PID 3452 wrote to memory of 480	3452	SQLSerasi.exe	90
PID 3452 wrote to memory of 3484	3452	SQLSerasi.exe	89
PID 3452 wrote to memory of 3484	3452	SQLSerasi.exe	89
PID 3452 wrote to memory of 3484	3452	SQLSerasi.exe	89

C:\Users\Admin\AppData\Local\Temp\ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a.exe
"C:\Users\Admin\AppData\Local\Temp\ea000ad8d1b15a0063731eba16803c2aac02a90676f0c4c5408cab2fcd5f783a.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3068
- 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:2288

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:3452
- 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:3484
- 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:480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3452 -s 612
  2⤵
  - Program crash
  PID:4288

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 3452 -ip 3452
1⤵
PID:3040

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
ca778d166e865a9cd89b23d21fd50c36

SHA1
31aee702361064ee3ef379cba710eb1c2cd5dba2

SHA256
4d4d53c9ad3982e35a54e7e3d15b03def71bece18df21fcd06b0d39933f2955f

SHA512
c9ae9d67b72f14b64e7fccbee3f6ea92f350dce66496262980e1a824eed4f4a9cdafb63f40d2c13442f8177e1041a1e9bb3658d743b0060446b966664d344adc

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

Filesize
39.4MB

MD5
ca778d166e865a9cd89b23d21fd50c36

SHA1
31aee702361064ee3ef379cba710eb1c2cd5dba2

SHA256
4d4d53c9ad3982e35a54e7e3d15b03def71bece18df21fcd06b0d39933f2955f

SHA512
c9ae9d67b72f14b64e7fccbee3f6ea92f350dce66496262980e1a824eed4f4a9cdafb63f40d2c13442f8177e1041a1e9bb3658d743b0060446b966664d344adc

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

Filesize
39.4MB

MD5
ca778d166e865a9cd89b23d21fd50c36

SHA1
31aee702361064ee3ef379cba710eb1c2cd5dba2

SHA256
4d4d53c9ad3982e35a54e7e3d15b03def71bece18df21fcd06b0d39933f2955f

SHA512
c9ae9d67b72f14b64e7fccbee3f6ea92f350dce66496262980e1a824eed4f4a9cdafb63f40d2c13442f8177e1041a1e9bb3658d743b0060446b966664d344adc

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

Filesize
39.4MB

MD5
ca778d166e865a9cd89b23d21fd50c36

SHA1
31aee702361064ee3ef379cba710eb1c2cd5dba2

SHA256
4d4d53c9ad3982e35a54e7e3d15b03def71bece18df21fcd06b0d39933f2955f

SHA512
c9ae9d67b72f14b64e7fccbee3f6ea92f350dce66496262980e1a824eed4f4a9cdafb63f40d2c13442f8177e1041a1e9bb3658d743b0060446b966664d344adc

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

Filesize
39.4MB

MD5
ca778d166e865a9cd89b23d21fd50c36

SHA1
31aee702361064ee3ef379cba710eb1c2cd5dba2

SHA256
4d4d53c9ad3982e35a54e7e3d15b03def71bece18df21fcd06b0d39933f2955f

SHA512
c9ae9d67b72f14b64e7fccbee3f6ea92f350dce66496262980e1a824eed4f4a9cdafb63f40d2c13442f8177e1041a1e9bb3658d743b0060446b966664d344adc

Download Submit
memory/480-173-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/480-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2288-156-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2288-155-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2288-148-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3068-142-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3068-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3068-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3068-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3068-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3068-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3452-153-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3452-159-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3452-157-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3452-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3452-150-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3484-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3484-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads