gh0strat | 3d840979257b235dfdeb8960ceda886d4769ccf070f79ff7a4fb052fe3698687

Analysis

max time kernel
144s
max time network
149s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
03/10/2022, 03:25

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General

Target

3d840979257b235dfdeb8960ceda886d4769ccf070f79ff7a4fb052fe3698687.exe
Size

375KB
MD5

66080f60e12b2b932c34818c43584cb3
SHA1

05fa1f8edf995a4804ad4ccdc38aacc2ea8dc605
SHA256

3d840979257b235dfdeb8960ceda886d4769ccf070f79ff7a4fb052fe3698687
SHA512

7e09c52cbc3769c647b49216f6f448f31774970b78925c8d8b965ab2d7085529e721975822f6862b3e696b4c473c6eb6522b4951611eb6725535a8bc651585ac
SSDEEP

6144:Zv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:Z4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 10 IoCs

resource	yara_rule
behavioral1/memory/2064-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2064-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2064-177-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2064-189-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3372-251-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1264-303-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4732-359-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4732-362-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1264-374-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4732-376-0x0000000010000000-0x0000000010362000-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
3372	SQLSerasi.exe
1264	SQLSerasi.exe
4732	SQLSerasi.exe

UPX packed file 11 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2064-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2064-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2064-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2064-177-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2064-189-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3372-251-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1264-303-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4732-359-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4732-362-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1264-374-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4732-376-0x0000000010000000-0x0000000010362000-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\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\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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	3d840979257b235dfdeb8960ceda886d4769ccf070f79ff7a4fb052fe3698687.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	3d840979257b235dfdeb8960ceda886d4769ccf070f79ff7a4fb052fe3698687.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\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
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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2064	3d840979257b235dfdeb8960ceda886d4769ccf070f79ff7a4fb052fe3698687.exe
Token: SeDebugPrivilege	3372	SQLSerasi.exe
Token: SeDebugPrivilege	1264	SQLSerasi.exe
Token: SeDebugPrivilege	1264	SQLSerasi.exe
Token: SeDebugPrivilege	4732	SQLSerasi.exe
Token: SeDebugPrivilege	4732	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 3372	2064	3d840979257b235dfdeb8960ceda886d4769ccf070f79ff7a4fb052fe3698687.exe	66
PID 2064 wrote to memory of 3372	2064	3d840979257b235dfdeb8960ceda886d4769ccf070f79ff7a4fb052fe3698687.exe	66
PID 2064 wrote to memory of 3372	2064	3d840979257b235dfdeb8960ceda886d4769ccf070f79ff7a4fb052fe3698687.exe	66
PID 1264 wrote to memory of 4732	1264	SQLSerasi.exe	68
PID 1264 wrote to memory of 4732	1264	SQLSerasi.exe	68
PID 1264 wrote to memory of 4732	1264	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\3d840979257b235dfdeb8960ceda886d4769ccf070f79ff7a4fb052fe3698687.exe
"C:\Users\Admin\AppData\Local\Temp\3d840979257b235dfdeb8960ceda886d4769ccf070f79ff7a4fb052fe3698687.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2064
- 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:3372

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:1264
- 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:4732

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
639aed4293bccf269024ff4eb75c88ae

SHA1
f1b160d7dff9aed93b840d87142512c9dd652a60

SHA256
18eb36620c3ce13f4f32af1fd02610b11085047e2aa39cc9b850cb2bcb9a1af7

SHA512
e316c4617cfd3ccb15f9d9b42b95b343dd5eb9879aaac071482e61caa9fae8856e94ed9a23a2426f7f5ac501cc9b5757a17834a4046393ef51fbc5c350243420

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

Filesize
39.4MB

MD5
639aed4293bccf269024ff4eb75c88ae

SHA1
f1b160d7dff9aed93b840d87142512c9dd652a60

SHA256
18eb36620c3ce13f4f32af1fd02610b11085047e2aa39cc9b850cb2bcb9a1af7

SHA512
e316c4617cfd3ccb15f9d9b42b95b343dd5eb9879aaac071482e61caa9fae8856e94ed9a23a2426f7f5ac501cc9b5757a17834a4046393ef51fbc5c350243420

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

Filesize
39.4MB

MD5
639aed4293bccf269024ff4eb75c88ae

SHA1
f1b160d7dff9aed93b840d87142512c9dd652a60

SHA256
18eb36620c3ce13f4f32af1fd02610b11085047e2aa39cc9b850cb2bcb9a1af7

SHA512
e316c4617cfd3ccb15f9d9b42b95b343dd5eb9879aaac071482e61caa9fae8856e94ed9a23a2426f7f5ac501cc9b5757a17834a4046393ef51fbc5c350243420

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

Filesize
39.4MB

MD5
639aed4293bccf269024ff4eb75c88ae

SHA1
f1b160d7dff9aed93b840d87142512c9dd652a60

SHA256
18eb36620c3ce13f4f32af1fd02610b11085047e2aa39cc9b850cb2bcb9a1af7

SHA512
e316c4617cfd3ccb15f9d9b42b95b343dd5eb9879aaac071482e61caa9fae8856e94ed9a23a2426f7f5ac501cc9b5757a17834a4046393ef51fbc5c350243420

Download Submit
memory/1264-303-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1264-374-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1264-373-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2064-155-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-160-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-124-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-125-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-126-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-127-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-128-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-129-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-130-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-131-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-132-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-133-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-134-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-135-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-136-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-137-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-139-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-138-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-140-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-141-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-142-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-143-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-144-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-145-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-146-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-147-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-148-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-159-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-150-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-151-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-152-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-153-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-154-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-122-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-156-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-157-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-123-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-158-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-149-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-161-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-162-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-163-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-164-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-165-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-166-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-167-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-169-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-168-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2064-170-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2064-174-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2064-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2064-177-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2064-178-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-179-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-180-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-181-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-182-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-183-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-184-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-185-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-186-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/2064-189-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2064-199-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2064-120-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2064-121-0x0000000077840000-0x00000000779CE000-memory.dmp

Filesize
1.6MB

Download
memory/3372-304-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3372-251-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4732-359-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4732-362-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4732-375-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4732-376-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download