gh0strat | 45857fbea02a85508e59c2de2b5a46e2fba2f01d8d15966f3d6e0b4837c6f587

Analysis

max time kernel
150s
max time network
140s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
06/10/2022, 18:27

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General

Target

45857fbea02a85508e59c2de2b5a46e2fba2f01d8d15966f3d6e0b4837c6f587.exe
Size

375KB
MD5

cbd31d835fb68316a9300d30d901e01d
SHA1

f85f0b2e7e2ad8c74f22abac4301fb31771495c1
SHA256

45857fbea02a85508e59c2de2b5a46e2fba2f01d8d15966f3d6e0b4837c6f587
SHA512

1d360c2e26eed9d555ff2f0de69dcb8deb76b78060111e34f6b7a67db6adb317795acecc16fee372b3f77ba58b5b943a01c444a83f88457278062fbd28ed189e
SSDEEP

6144:qv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:q4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/2144-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2144-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2144-178-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1104-267-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3540-301-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4664-364-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3540-371-0x0000000010000000-0x0000000010362000-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 3 IoCs

pid	Process
1104	SQLSerasi.exe
3540	SQLSerasi.exe
4664	SQLSerasi.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2144-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2144-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2144-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2144-178-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1104-267-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3540-301-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4664-364-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3540-371-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	SQLSerasi.exe
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	45857fbea02a85508e59c2de2b5a46e2fba2f01d8d15966f3d6e0b4837c6f587.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	45857fbea02a85508e59c2de2b5a46e2fba2f01d8d15966f3d6e0b4837c6f587.exe

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

System Information Discovery
T1082

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 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2144	45857fbea02a85508e59c2de2b5a46e2fba2f01d8d15966f3d6e0b4837c6f587.exe
Token: SeDebugPrivilege	1104	SQLSerasi.exe
Token: SeDebugPrivilege	3540	SQLSerasi.exe
Token: SeDebugPrivilege	3540	SQLSerasi.exe
Token: SeDebugPrivilege	4664	SQLSerasi.exe
Token: SeDebugPrivilege	4664	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 1104	2144	45857fbea02a85508e59c2de2b5a46e2fba2f01d8d15966f3d6e0b4837c6f587.exe	67
PID 2144 wrote to memory of 1104	2144	45857fbea02a85508e59c2de2b5a46e2fba2f01d8d15966f3d6e0b4837c6f587.exe	67
PID 2144 wrote to memory of 1104	2144	45857fbea02a85508e59c2de2b5a46e2fba2f01d8d15966f3d6e0b4837c6f587.exe	67
PID 3540 wrote to memory of 4664	3540	SQLSerasi.exe	69
PID 3540 wrote to memory of 4664	3540	SQLSerasi.exe	69
PID 3540 wrote to memory of 4664	3540	SQLSerasi.exe	69

C:\Users\Admin\AppData\Local\Temp\45857fbea02a85508e59c2de2b5a46e2fba2f01d8d15966f3d6e0b4837c6f587.exe
"C:\Users\Admin\AppData\Local\Temp\45857fbea02a85508e59c2de2b5a46e2fba2f01d8d15966f3d6e0b4837c6f587.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2144
- 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:1104

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:3540
- 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:4664

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

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
8bfed66a2f32940639d0a75fc080f201

SHA1
c812f56ef2187954c141f41c0ba0366a46beb224

SHA256
04c9cd92769340f260784bb42fa4503f6b0164635f6f0159f605d2b359a67fdf

SHA512
71bdcc1807303f3f7f2581c1f370f428a6c74ac84ff4ec4cf761f21b51888ee6a78c4d1f5bfcdbb7bd3c51477515f3e980426a0535a5d70db759abd5292596a2

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

Filesize
39.4MB

MD5
8bfed66a2f32940639d0a75fc080f201

SHA1
c812f56ef2187954c141f41c0ba0366a46beb224

SHA256
04c9cd92769340f260784bb42fa4503f6b0164635f6f0159f605d2b359a67fdf

SHA512
71bdcc1807303f3f7f2581c1f370f428a6c74ac84ff4ec4cf761f21b51888ee6a78c4d1f5bfcdbb7bd3c51477515f3e980426a0535a5d70db759abd5292596a2

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

Filesize
39.4MB

MD5
8bfed66a2f32940639d0a75fc080f201

SHA1
c812f56ef2187954c141f41c0ba0366a46beb224

SHA256
04c9cd92769340f260784bb42fa4503f6b0164635f6f0159f605d2b359a67fdf

SHA512
71bdcc1807303f3f7f2581c1f370f428a6c74ac84ff4ec4cf761f21b51888ee6a78c4d1f5bfcdbb7bd3c51477515f3e980426a0535a5d70db759abd5292596a2

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

Filesize
39.4MB

MD5
8bfed66a2f32940639d0a75fc080f201

SHA1
c812f56ef2187954c141f41c0ba0366a46beb224

SHA256
04c9cd92769340f260784bb42fa4503f6b0164635f6f0159f605d2b359a67fdf

SHA512
71bdcc1807303f3f7f2581c1f370f428a6c74ac84ff4ec4cf761f21b51888ee6a78c4d1f5bfcdbb7bd3c51477515f3e980426a0535a5d70db759abd5292596a2

Download Submit
memory/1104-267-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1104-302-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2144-153-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-154-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-124-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-125-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-126-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-127-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-128-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-129-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-130-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-131-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-132-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-133-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-134-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-135-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-136-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-137-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-138-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-139-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-140-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-141-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-142-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-143-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-144-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-145-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-146-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-147-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-148-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-149-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-150-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-151-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-152-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-122-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-157-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-155-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-123-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2144-156-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-173-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-158-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-160-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-161-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-162-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-163-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-164-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-165-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-166-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-167-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-169-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-168-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2144-159-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2144-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2144-176-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-177-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2144-179-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-180-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-181-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-182-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-183-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-184-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-185-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-194-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2144-120-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/2144-121-0x0000000077DE0000-0x0000000077F6E000-memory.dmp

Filesize
1.6MB

Download
memory/3540-301-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3540-370-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3540-371-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4664-364-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4664-372-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download