gh0strat | e7fd9dd86b6adda5037fdb55896f7e5c98a7442bf3008f1d48d4a17251647d14

Analysis

max time kernel
129s
max time network
146s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
12/10/2022, 11:46

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General

Target

e7fd9dd86b6adda5037fdb55896f7e5c98a7442bf3008f1d48d4a17251647d14.exe
Size

375KB
MD5

df01b35921eff781469bd8b38f7f5c90
SHA1

c711a7de3ecd7681f91e4113b0860a07e2b8628c
SHA256

e7fd9dd86b6adda5037fdb55896f7e5c98a7442bf3008f1d48d4a17251647d14
SHA512

eb640fbb161f9741abed5d0d8853beb74e2bb8bf4132dd220dea0c541ac8fa87c576bee06f0ed80183d02efa9008cc884ee3498670070200253b0342c6f247c8
SSDEEP

6144:Lv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:L4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 7 IoCs

resource	yara_rule
behavioral1/memory/1148-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1148-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1148-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4884-269-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3684-307-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3380-360-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3380-373-0x0000000010000000-0x0000000010362000-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
4884	SQLSerasi.exe
3684	SQLSerasi.exe
3380	SQLSerasi.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1148-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1148-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1148-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1148-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4884-269-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3684-307-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3380-360-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3380-373-0x0000000010000000-0x0000000010362000-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\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	e7fd9dd86b6adda5037fdb55896f7e5c98a7442bf3008f1d48d4a17251647d14.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	e7fd9dd86b6adda5037fdb55896f7e5c98a7442bf3008f1d48d4a17251647d14.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\2	SQLSerasi.exe
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

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	1148	e7fd9dd86b6adda5037fdb55896f7e5c98a7442bf3008f1d48d4a17251647d14.exe
Token: SeDebugPrivilege	4884	SQLSerasi.exe
Token: SeDebugPrivilege	3684	SQLSerasi.exe
Token: SeDebugPrivilege	3684	SQLSerasi.exe
Token: SeDebugPrivilege	3380	SQLSerasi.exe
Token: SeDebugPrivilege	3380	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 4884	1148	e7fd9dd86b6adda5037fdb55896f7e5c98a7442bf3008f1d48d4a17251647d14.exe	66
PID 1148 wrote to memory of 4884	1148	e7fd9dd86b6adda5037fdb55896f7e5c98a7442bf3008f1d48d4a17251647d14.exe	66
PID 1148 wrote to memory of 4884	1148	e7fd9dd86b6adda5037fdb55896f7e5c98a7442bf3008f1d48d4a17251647d14.exe	66
PID 3684 wrote to memory of 3380	3684	SQLSerasi.exe	68
PID 3684 wrote to memory of 3380	3684	SQLSerasi.exe	68
PID 3684 wrote to memory of 3380	3684	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\e7fd9dd86b6adda5037fdb55896f7e5c98a7442bf3008f1d48d4a17251647d14.exe
"C:\Users\Admin\AppData\Local\Temp\e7fd9dd86b6adda5037fdb55896f7e5c98a7442bf3008f1d48d4a17251647d14.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1148
- 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:4884

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:3684
- 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:3380

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
8afc730eda9096b86f621fa10b4236de

SHA1
9447360ea82dc5af903e218c70960a2d0aaba097

SHA256
ca7b966b7c37e40e4b7e765ea9284d4e63be695849b7ffae3971ea4e491d56d0

SHA512
8a30d2bc2c389cf4704674c861b8108b96e8bf92097ce4c450dad243fe0c3be44c89e992b33b9846f5b2e6c4611d2410afd81853521d50d7e8f0d643d3330466

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

Filesize
39.4MB

MD5
8afc730eda9096b86f621fa10b4236de

SHA1
9447360ea82dc5af903e218c70960a2d0aaba097

SHA256
ca7b966b7c37e40e4b7e765ea9284d4e63be695849b7ffae3971ea4e491d56d0

SHA512
8a30d2bc2c389cf4704674c861b8108b96e8bf92097ce4c450dad243fe0c3be44c89e992b33b9846f5b2e6c4611d2410afd81853521d50d7e8f0d643d3330466

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

Filesize
39.4MB

MD5
8afc730eda9096b86f621fa10b4236de

SHA1
9447360ea82dc5af903e218c70960a2d0aaba097

SHA256
ca7b966b7c37e40e4b7e765ea9284d4e63be695849b7ffae3971ea4e491d56d0

SHA512
8a30d2bc2c389cf4704674c861b8108b96e8bf92097ce4c450dad243fe0c3be44c89e992b33b9846f5b2e6c4611d2410afd81853521d50d7e8f0d643d3330466

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

Filesize
39.4MB

MD5
8afc730eda9096b86f621fa10b4236de

SHA1
9447360ea82dc5af903e218c70960a2d0aaba097

SHA256
ca7b966b7c37e40e4b7e765ea9284d4e63be695849b7ffae3971ea4e491d56d0

SHA512
8a30d2bc2c389cf4704674c861b8108b96e8bf92097ce4c450dad243fe0c3be44c89e992b33b9846f5b2e6c4611d2410afd81853521d50d7e8f0d643d3330466

Download Submit
memory/1148-154-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-158-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-122-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-123-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-124-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-125-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1148-126-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-127-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-128-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-129-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-130-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-132-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-131-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-133-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-134-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-135-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-136-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-137-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-138-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-139-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-140-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-142-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-143-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-144-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-141-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-145-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-146-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-157-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-147-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-149-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-150-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-151-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-152-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-153-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-120-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-155-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-121-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-156-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-148-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-159-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-160-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-161-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-162-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-163-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-164-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-165-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-166-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-167-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-168-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-169-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1148-173-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1148-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1148-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1148-177-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-178-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-179-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-180-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-181-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-182-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-183-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-184-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-185-0x0000000076FB0000-0x000000007713E000-memory.dmp

Filesize
1.6MB

Download
memory/1148-188-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1148-195-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3380-360-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3380-372-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3380-373-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3684-307-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3684-371-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4884-269-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4884-302-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download