gh0strat | 0be4c1f499bcd863c5210e08209426c77d9b50cd6c43ac4e85c5649f1fd8f54e

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
09-09-2022 13:14

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General

Target

0be4c1f499bcd863c5210e08209426c77d9b50cd6c43ac4e85c5649f1fd8f54e.exe
Size

375KB
MD5

43bff6f22c04972f1272fe00522d2e48
SHA1

d489f5695d0d89681849113c790da20d869760ad
SHA256

0be4c1f499bcd863c5210e08209426c77d9b50cd6c43ac4e85c5649f1fd8f54e
SHA512

37eff228ea40ddac6945cc806bdd52ef223a193ec0361c1658e090dea47fe43c112fa193e61dba906a8ae38e68c9757c2d4b47f9f904690448d3616426f4f506
SSDEEP

6144:Ov5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:O4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/2496-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2496-172-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2496-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2496-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3452-268-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1200-301-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/996-357-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/996-370-0x0000000010000000-0x0000000010362000-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
3452	SQLSerasi.exe
1200	SQLSerasi.exe
996	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2496-167-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2496-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2496-172-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2496-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2496-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3452-268-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1200-301-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/996-357-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/996-370-0x0000000010000000-0x0000000010362000-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\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
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat	SQLSerasi.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	0be4c1f499bcd863c5210e08209426c77d9b50cd6c43ac4e85c5649f1fd8f54e.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	0be4c1f499bcd863c5210e08209426c77d9b50cd6c43ac4e85c5649f1fd8f54e.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\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
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	SQLSerasi.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	0be4c1f499bcd863c5210e08209426c77d9b50cd6c43ac4e85c5649f1fd8f54e.exe
Token: SeDebugPrivilege	3452	SQLSerasi.exe
Token: SeDebugPrivilege	1200	SQLSerasi.exe
Token: SeDebugPrivilege	1200	SQLSerasi.exe
Token: SeDebugPrivilege	996	SQLSerasi.exe
Token: SeDebugPrivilege	996	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 3452	2496	0be4c1f499bcd863c5210e08209426c77d9b50cd6c43ac4e85c5649f1fd8f54e.exe	66
PID 2496 wrote to memory of 3452	2496	0be4c1f499bcd863c5210e08209426c77d9b50cd6c43ac4e85c5649f1fd8f54e.exe	66
PID 2496 wrote to memory of 3452	2496	0be4c1f499bcd863c5210e08209426c77d9b50cd6c43ac4e85c5649f1fd8f54e.exe	66
PID 1200 wrote to memory of 996	1200	SQLSerasi.exe	68
PID 1200 wrote to memory of 996	1200	SQLSerasi.exe	68
PID 1200 wrote to memory of 996	1200	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\0be4c1f499bcd863c5210e08209426c77d9b50cd6c43ac4e85c5649f1fd8f54e.exe
"C:\Users\Admin\AppData\Local\Temp\0be4c1f499bcd863c5210e08209426c77d9b50cd6c43ac4e85c5649f1fd8f54e.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2496
- 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:3452

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:1200
- 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:996

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
9bc5b7da4066a55c4f7f2395f99d4a52

SHA1
5d8ec49a586d8789d312221f6fe75f3f09f0fc21

SHA256
65611d988fb8d5d1f6cff4508c020ac1c7926d8a7e267e7d3bb100c5a492c140

SHA512
ec8c6168bf9601154e23f03bd5773b86412b0b62e3040c400bb56307dd3c0554e1e9b2f44c62dd5bf83269b78a2d2cee9aeecf87574985ec206bac7364e3b525

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

Filesize
39.4MB

MD5
9bc5b7da4066a55c4f7f2395f99d4a52

SHA1
5d8ec49a586d8789d312221f6fe75f3f09f0fc21

SHA256
65611d988fb8d5d1f6cff4508c020ac1c7926d8a7e267e7d3bb100c5a492c140

SHA512
ec8c6168bf9601154e23f03bd5773b86412b0b62e3040c400bb56307dd3c0554e1e9b2f44c62dd5bf83269b78a2d2cee9aeecf87574985ec206bac7364e3b525

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

Filesize
39.4MB

MD5
9bc5b7da4066a55c4f7f2395f99d4a52

SHA1
5d8ec49a586d8789d312221f6fe75f3f09f0fc21

SHA256
65611d988fb8d5d1f6cff4508c020ac1c7926d8a7e267e7d3bb100c5a492c140

SHA512
ec8c6168bf9601154e23f03bd5773b86412b0b62e3040c400bb56307dd3c0554e1e9b2f44c62dd5bf83269b78a2d2cee9aeecf87574985ec206bac7364e3b525

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

Filesize
39.4MB

MD5
9bc5b7da4066a55c4f7f2395f99d4a52

SHA1
5d8ec49a586d8789d312221f6fe75f3f09f0fc21

SHA256
65611d988fb8d5d1f6cff4508c020ac1c7926d8a7e267e7d3bb100c5a492c140

SHA512
ec8c6168bf9601154e23f03bd5773b86412b0b62e3040c400bb56307dd3c0554e1e9b2f44c62dd5bf83269b78a2d2cee9aeecf87574985ec206bac7364e3b525

Download Submit
memory/996-370-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/996-369-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/996-357-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1200-301-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1200-368-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2496-143-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-157-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-124-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-125-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-126-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-127-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-128-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-130-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-129-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-131-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-132-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-133-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-134-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-135-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-136-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-137-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-138-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-139-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-140-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-141-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-142-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-144-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-145-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-146-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-148-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-149-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-147-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-150-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-122-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2496-151-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-152-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-153-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-154-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-155-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-156-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-123-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-158-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-159-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-160-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-161-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-162-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-163-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-164-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-165-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-166-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-167-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2496-170-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2496-172-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2496-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2496-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2496-175-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-176-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-177-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-178-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-179-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-180-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-181-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-182-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-183-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-191-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2496-117-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-121-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-120-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-118-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/2496-119-0x0000000077580000-0x000000007770E000-memory.dmp

Filesize
1.6MB

Download
memory/3452-268-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3452-299-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download