gh0strat | 559a38b6298b1f1cf0ca84cc3bc9a7f862097249771a0d4ac55c7f41dfaf9251

Analysis

max time kernel
146s
max time network
145s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
07-09-2022 00:04

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General

Target

559a38b6298b1f1cf0ca84cc3bc9a7f862097249771a0d4ac55c7f41dfaf9251.exe
Size

375KB
MD5

b61dd4de0fec0b8792dbdede2536220c
SHA1

0f50db1e74c7bd1f1d38373241ed75b396e2f38f
SHA256

559a38b6298b1f1cf0ca84cc3bc9a7f862097249771a0d4ac55c7f41dfaf9251
SHA512

082b63701f1a45529353f91f0453396cd6fc78ee8d5fa2c6f7007dadfc29cbc68a2e68599445ab44fbe0a3bda50cbec0db0d0aff3f11aa16b112d963760516f4
SSDEEP

6144:Kv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:K4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/1324-169-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1324-170-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1324-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1324-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4912-280-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4076-298-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4712-356-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4076-367-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4712-369-0x0000000010000000-0x0000000010362000-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
4912	SQLSerasi.exe
4076	SQLSerasi.exe
4712	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1324-165-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1324-169-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1324-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1324-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1324-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4912-280-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4076-298-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4712-356-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4076-367-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4712-369-0x0000000010000000-0x0000000010362000-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	559a38b6298b1f1cf0ca84cc3bc9a7f862097249771a0d4ac55c7f41dfaf9251.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	559a38b6298b1f1cf0ca84cc3bc9a7f862097249771a0d4ac55c7f41dfaf9251.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	1324	559a38b6298b1f1cf0ca84cc3bc9a7f862097249771a0d4ac55c7f41dfaf9251.exe
Token: SeDebugPrivilege	4912	SQLSerasi.exe
Token: SeDebugPrivilege	4076	SQLSerasi.exe
Token: SeDebugPrivilege	4076	SQLSerasi.exe
Token: SeDebugPrivilege	4712	SQLSerasi.exe
Token: SeDebugPrivilege	4712	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 4912	1324	559a38b6298b1f1cf0ca84cc3bc9a7f862097249771a0d4ac55c7f41dfaf9251.exe	66
PID 1324 wrote to memory of 4912	1324	559a38b6298b1f1cf0ca84cc3bc9a7f862097249771a0d4ac55c7f41dfaf9251.exe	66
PID 1324 wrote to memory of 4912	1324	559a38b6298b1f1cf0ca84cc3bc9a7f862097249771a0d4ac55c7f41dfaf9251.exe	66
PID 4076 wrote to memory of 4712	4076	SQLSerasi.exe	68
PID 4076 wrote to memory of 4712	4076	SQLSerasi.exe	68
PID 4076 wrote to memory of 4712	4076	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\559a38b6298b1f1cf0ca84cc3bc9a7f862097249771a0d4ac55c7f41dfaf9251.exe
"C:\Users\Admin\AppData\Local\Temp\559a38b6298b1f1cf0ca84cc3bc9a7f862097249771a0d4ac55c7f41dfaf9251.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324
- 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:4912

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:4076
- 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:4712

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
7aa421f618c13b157e96dd387c28dd0d

SHA1
ca22d641bb67e0abcfa0a9636589da31cf875d73

SHA256
c4611f68599a6b94200eecd412dae96e1ef31f021d938e6af67afe07677ffd92

SHA512
15109d6423d041615b89d20f944f926c303209d4649024d0a5f5d5a562863c898d9945d836e60118fadeb290e1164c83a3b96cb7877ea3235800934c25a3be0a

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

Filesize
39.4MB

MD5
7aa421f618c13b157e96dd387c28dd0d

SHA1
ca22d641bb67e0abcfa0a9636589da31cf875d73

SHA256
c4611f68599a6b94200eecd412dae96e1ef31f021d938e6af67afe07677ffd92

SHA512
15109d6423d041615b89d20f944f926c303209d4649024d0a5f5d5a562863c898d9945d836e60118fadeb290e1164c83a3b96cb7877ea3235800934c25a3be0a

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

Filesize
39.4MB

MD5
7aa421f618c13b157e96dd387c28dd0d

SHA1
ca22d641bb67e0abcfa0a9636589da31cf875d73

SHA256
c4611f68599a6b94200eecd412dae96e1ef31f021d938e6af67afe07677ffd92

SHA512
15109d6423d041615b89d20f944f926c303209d4649024d0a5f5d5a562863c898d9945d836e60118fadeb290e1164c83a3b96cb7877ea3235800934c25a3be0a

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

Filesize
39.4MB

MD5
7aa421f618c13b157e96dd387c28dd0d

SHA1
ca22d641bb67e0abcfa0a9636589da31cf875d73

SHA256
c4611f68599a6b94200eecd412dae96e1ef31f021d938e6af67afe07677ffd92

SHA512
15109d6423d041615b89d20f944f926c303209d4649024d0a5f5d5a562863c898d9945d836e60118fadeb290e1164c83a3b96cb7877ea3235800934c25a3be0a

Download Submit
memory/1324-152-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-188-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1324-118-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-119-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-120-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-121-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-122-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-123-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-124-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-125-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-126-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-128-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-129-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-130-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-131-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-132-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-133-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-127-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1324-134-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-135-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-136-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-137-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-139-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-138-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-140-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-141-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-142-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-143-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-144-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-145-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-146-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-147-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-148-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-149-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-150-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-151-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-164-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-153-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-117-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-155-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-156-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-157-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-158-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-159-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-160-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-161-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-162-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-163-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-116-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-165-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1324-168-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-169-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1324-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1324-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1324-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1324-172-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-174-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-175-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-176-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-177-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-178-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-179-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-180-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-181-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-154-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/1324-115-0x0000000077DF0000-0x0000000077F7E000-memory.dmp

Filesize
1.6MB

Download
memory/4076-298-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4076-282-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4076-367-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4712-356-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4712-368-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4712-369-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4912-280-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4912-300-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download