gh0strat | 983de98690587d77d97e4027f4e5e1d7f889e04068adf26053583486e84277af

Analysis

max time kernel
145s
max time network
135s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
15/09/2022, 10:31

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General

Target

983de98690587d77d97e4027f4e5e1d7f889e04068adf26053583486e84277af.exe
Size

375KB
MD5

59b28ad37de2a30f545eb57f62424787
SHA1

3bd7ac022780aeb95268933ccdb5aaefed0f6cca
SHA256

983de98690587d77d97e4027f4e5e1d7f889e04068adf26053583486e84277af
SHA512

b959c8a21b04229447c4068d4310a27153c4c707f89e87f20cb3e3bb0c922292aec9ef50445422e052bd844233f4ee7b023e32b883e76b2260f23b7776ad572e
SSDEEP

6144:Ov5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:O4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2456-170-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2456-169-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2456-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2456-172-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1752-289-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1088-300-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1088-302-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2260-357-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2260-369-0x0000000010000000-0x0000000010362000-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
1752	SQLSerasi.exe
1088	SQLSerasi.exe
2260	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2456-165-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2456-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2456-169-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2456-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2456-172-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1752-289-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1088-300-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1088-302-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2260-357-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2260-369-0x0000000010000000-0x0000000010362000-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\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	983de98690587d77d97e4027f4e5e1d7f889e04068adf26053583486e84277af.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	983de98690587d77d97e4027f4e5e1d7f889e04068adf26053583486e84277af.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\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
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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2456	983de98690587d77d97e4027f4e5e1d7f889e04068adf26053583486e84277af.exe
Token: SeDebugPrivilege	1752	SQLSerasi.exe
Token: SeDebugPrivilege	1088	SQLSerasi.exe
Token: SeDebugPrivilege	1088	SQLSerasi.exe
Token: SeDebugPrivilege	2260	SQLSerasi.exe
Token: SeDebugPrivilege	2260	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 1752	2456	983de98690587d77d97e4027f4e5e1d7f889e04068adf26053583486e84277af.exe	66
PID 2456 wrote to memory of 1752	2456	983de98690587d77d97e4027f4e5e1d7f889e04068adf26053583486e84277af.exe	66
PID 2456 wrote to memory of 1752	2456	983de98690587d77d97e4027f4e5e1d7f889e04068adf26053583486e84277af.exe	66
PID 1088 wrote to memory of 2260	1088	SQLSerasi.exe	68
PID 1088 wrote to memory of 2260	1088	SQLSerasi.exe	68
PID 1088 wrote to memory of 2260	1088	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\983de98690587d77d97e4027f4e5e1d7f889e04068adf26053583486e84277af.exe
"C:\Users\Admin\AppData\Local\Temp\983de98690587d77d97e4027f4e5e1d7f889e04068adf26053583486e84277af.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2456
- 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:1752

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:1088
- 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:2260

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
662be0e50ce576f1e710e9fa947f705f

SHA1
1ac2a7a8cbbe38627346b4402e8da9ad6630b1bf

SHA256
114f7f33e886fcf7a412b97c1646e9b0994269433a54b0c551302428a0f4c6be

SHA512
a473bacae5b920916291fd3dce3cfb113df83d98af2b462adcc3aa17b3181a38e38cb7f68e4e29a56d564837a29b3f830bfef7b4566d7021f0d7c3569855097e

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

Filesize
39.4MB

MD5
662be0e50ce576f1e710e9fa947f705f

SHA1
1ac2a7a8cbbe38627346b4402e8da9ad6630b1bf

SHA256
114f7f33e886fcf7a412b97c1646e9b0994269433a54b0c551302428a0f4c6be

SHA512
a473bacae5b920916291fd3dce3cfb113df83d98af2b462adcc3aa17b3181a38e38cb7f68e4e29a56d564837a29b3f830bfef7b4566d7021f0d7c3569855097e

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

Filesize
39.4MB

MD5
662be0e50ce576f1e710e9fa947f705f

SHA1
1ac2a7a8cbbe38627346b4402e8da9ad6630b1bf

SHA256
114f7f33e886fcf7a412b97c1646e9b0994269433a54b0c551302428a0f4c6be

SHA512
a473bacae5b920916291fd3dce3cfb113df83d98af2b462adcc3aa17b3181a38e38cb7f68e4e29a56d564837a29b3f830bfef7b4566d7021f0d7c3569855097e

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

Filesize
39.4MB

MD5
662be0e50ce576f1e710e9fa947f705f

SHA1
1ac2a7a8cbbe38627346b4402e8da9ad6630b1bf

SHA256
114f7f33e886fcf7a412b97c1646e9b0994269433a54b0c551302428a0f4c6be

SHA512
a473bacae5b920916291fd3dce3cfb113df83d98af2b462adcc3aa17b3181a38e38cb7f68e4e29a56d564837a29b3f830bfef7b4566d7021f0d7c3569855097e

Download Submit
memory/1088-302-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1088-291-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1088-300-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1752-289-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1752-299-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2260-368-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2260-357-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2260-369-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2456-145-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-157-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-126-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-128-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-127-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-129-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-130-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-131-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-132-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-133-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-134-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-135-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-136-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-137-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-138-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-139-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-140-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-141-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-142-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-143-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-144-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-146-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-147-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-148-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-149-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-150-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-124-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-151-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-152-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-153-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-154-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-155-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-156-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-125-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-158-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-160-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-159-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-161-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-162-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-163-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-164-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-165-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2456-168-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2456-169-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2456-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2456-172-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2456-173-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-174-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-175-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-176-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-177-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-178-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-179-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-123-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2456-122-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-121-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-120-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-119-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-118-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-117-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-116-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-115-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-180-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-181-0x00000000777D0000-0x000000007795E000-memory.dmp

Filesize
1.6MB

Download
memory/2456-187-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download