gh0strat | 01f1e11a60d4a4f842110105186e2e21b7a64179de163414f5dfb23f3f7debaa

Analysis

max time kernel
132s
max time network
143s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
08/09/2022, 13:46

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General

Target

01f1e11a60d4a4f842110105186e2e21b7a64179de163414f5dfb23f3f7debaa.exe
Size

375KB
MD5

8a2ecb2912ec9aeb5d75715810093721
SHA1

e42a475117a338e7cd36803b9d4c05d6f988925c
SHA256

01f1e11a60d4a4f842110105186e2e21b7a64179de163414f5dfb23f3f7debaa
SHA512

677cb1fcb35396e98f6ac125715ca336406e6f60aa0cc2b3cfd83183c9a64eb9292ed72381a491ae0747ad8cc030f6dd7c1310396d54252adc5d24a56efc545c
SSDEEP

6144:Ev5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:E4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2780-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2780-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2780-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2780-177-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/976-272-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3868-302-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4260-360-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4260-373-0x0000000010000000-0x0000000010362000-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
976	SQLSerasi.exe
3868	SQLSerasi.exe
4260	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2780-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2780-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2780-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2780-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2780-177-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/976-272-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3868-302-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4260-360-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4260-373-0x0000000010000000-0x0000000010362000-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\History\History.IE5	SQLSerasi.exe
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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	01f1e11a60d4a4f842110105186e2e21b7a64179de163414f5dfb23f3f7debaa.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	01f1e11a60d4a4f842110105186e2e21b7a64179de163414f5dfb23f3f7debaa.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 (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
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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2780	01f1e11a60d4a4f842110105186e2e21b7a64179de163414f5dfb23f3f7debaa.exe
Token: SeDebugPrivilege	976	SQLSerasi.exe
Token: SeDebugPrivilege	3868	SQLSerasi.exe
Token: SeDebugPrivilege	3868	SQLSerasi.exe
Token: SeDebugPrivilege	4260	SQLSerasi.exe
Token: SeDebugPrivilege	4260	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 976	2780	01f1e11a60d4a4f842110105186e2e21b7a64179de163414f5dfb23f3f7debaa.exe	66
PID 2780 wrote to memory of 976	2780	01f1e11a60d4a4f842110105186e2e21b7a64179de163414f5dfb23f3f7debaa.exe	66
PID 2780 wrote to memory of 976	2780	01f1e11a60d4a4f842110105186e2e21b7a64179de163414f5dfb23f3f7debaa.exe	66
PID 3868 wrote to memory of 4260	3868	SQLSerasi.exe	68
PID 3868 wrote to memory of 4260	3868	SQLSerasi.exe	68
PID 3868 wrote to memory of 4260	3868	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\01f1e11a60d4a4f842110105186e2e21b7a64179de163414f5dfb23f3f7debaa.exe
"C:\Users\Admin\AppData\Local\Temp\01f1e11a60d4a4f842110105186e2e21b7a64179de163414f5dfb23f3f7debaa.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2780
- 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:976

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:3868
- 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:4260

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
8542131ecd8e09bb6429cacd969d16ea

SHA1
6a1f7ee39348478d35a321b89b3cbb2463a7b709

SHA256
2a4b73d5996cb799941df18590bc1a69b2d8c90d0b31c853446437cd2cb104b9

SHA512
bcf5ca8a91ea524ecbd4e454fabf5565eea78e3bfdb848a9752a387b53cd0408e58c4cbb26db011ffb186007b6262c4355311b44451ceabcd185de23bb212321

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

Filesize
39.4MB

MD5
8542131ecd8e09bb6429cacd969d16ea

SHA1
6a1f7ee39348478d35a321b89b3cbb2463a7b709

SHA256
2a4b73d5996cb799941df18590bc1a69b2d8c90d0b31c853446437cd2cb104b9

SHA512
bcf5ca8a91ea524ecbd4e454fabf5565eea78e3bfdb848a9752a387b53cd0408e58c4cbb26db011ffb186007b6262c4355311b44451ceabcd185de23bb212321

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

Filesize
39.4MB

MD5
8542131ecd8e09bb6429cacd969d16ea

SHA1
6a1f7ee39348478d35a321b89b3cbb2463a7b709

SHA256
2a4b73d5996cb799941df18590bc1a69b2d8c90d0b31c853446437cd2cb104b9

SHA512
bcf5ca8a91ea524ecbd4e454fabf5565eea78e3bfdb848a9752a387b53cd0408e58c4cbb26db011ffb186007b6262c4355311b44451ceabcd185de23bb212321

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

Filesize
39.4MB

MD5
8542131ecd8e09bb6429cacd969d16ea

SHA1
6a1f7ee39348478d35a321b89b3cbb2463a7b709

SHA256
2a4b73d5996cb799941df18590bc1a69b2d8c90d0b31c853446437cd2cb104b9

SHA512
bcf5ca8a91ea524ecbd4e454fabf5565eea78e3bfdb848a9752a387b53cd0408e58c4cbb26db011ffb186007b6262c4355311b44451ceabcd185de23bb212321

Download Submit
memory/976-272-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/976-304-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2780-147-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-159-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-124-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-125-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2780-126-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-127-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-128-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-130-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-156-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-131-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-132-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-133-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-134-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-135-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-136-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-137-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-138-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-139-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-140-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-141-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-143-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-144-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-146-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-148-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-149-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-158-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-152-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-153-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-150-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-155-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-154-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-122-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-145-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-142-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-129-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-123-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-151-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-157-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-160-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-161-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-162-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-163-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-164-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-165-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-166-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-167-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-168-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2780-169-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2780-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2780-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2780-173-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2780-178-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-179-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-180-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-181-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-182-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-183-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-184-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-185-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-186-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-194-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2780-120-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/2780-121-0x0000000077710000-0x000000007789E000-memory.dmp

Filesize
1.6MB

Download
memory/3868-302-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3868-371-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4260-360-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4260-372-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4260-373-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download