gh0strat | 93eba112c645451a6b2117dd86ed181145d6ead954cf4e330a172526d90ca06e

Analysis

max time kernel
144s
max time network
133s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
21-09-2022 02:53

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General

Target

93eba112c645451a6b2117dd86ed181145d6ead954cf4e330a172526d90ca06e.exe
Size

375KB
MD5

bb5d3c51bae70daab068c83c3e7cb50c
SHA1

0ee1cc2dcbb3d9d53a8a9c0195fd9df176f416d0
SHA256

93eba112c645451a6b2117dd86ed181145d6ead954cf4e330a172526d90ca06e
SHA512

11d6c84283b1688183474a39c77d3dcfffb765166267b9977574a82b1ac9a8b12ae94bf2350c3a294c3ebbd001c9e3dc92cbbc7fc0c58d667f7bcb353e6c4c3d
SSDEEP

6144:4v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:44VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/2900-169-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2900-170-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2900-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2900-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4904-299-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4868-297-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4820-358-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4904-369-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4820-370-0x0000000010000000-0x0000000010362000-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
4868	SQLSerasi.exe
4904	SQLSerasi.exe
4820	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2900-165-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2900-169-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2900-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2900-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2900-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4904-299-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4868-297-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4820-358-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4904-369-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4820-370-0x0000000010000000-0x0000000010362000-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\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	93eba112c645451a6b2117dd86ed181145d6ead954cf4e330a172526d90ca06e.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	93eba112c645451a6b2117dd86ed181145d6ead954cf4e330a172526d90ca06e.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\ProcessorNameString	SQLSerasi.exe
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

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	2900	93eba112c645451a6b2117dd86ed181145d6ead954cf4e330a172526d90ca06e.exe
Token: SeDebugPrivilege	4868	SQLSerasi.exe
Token: SeDebugPrivilege	4904	SQLSerasi.exe
Token: SeDebugPrivilege	4904	SQLSerasi.exe
Token: SeDebugPrivilege	4820	SQLSerasi.exe
Token: SeDebugPrivilege	4820	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 4868	2900	93eba112c645451a6b2117dd86ed181145d6ead954cf4e330a172526d90ca06e.exe	66
PID 2900 wrote to memory of 4868	2900	93eba112c645451a6b2117dd86ed181145d6ead954cf4e330a172526d90ca06e.exe	66
PID 2900 wrote to memory of 4868	2900	93eba112c645451a6b2117dd86ed181145d6ead954cf4e330a172526d90ca06e.exe	66
PID 4904 wrote to memory of 4820	4904	SQLSerasi.exe	68
PID 4904 wrote to memory of 4820	4904	SQLSerasi.exe	68
PID 4904 wrote to memory of 4820	4904	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\93eba112c645451a6b2117dd86ed181145d6ead954cf4e330a172526d90ca06e.exe
"C:\Users\Admin\AppData\Local\Temp\93eba112c645451a6b2117dd86ed181145d6ead954cf4e330a172526d90ca06e.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2900
- 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:4868

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:4904
- 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:4820

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
67bc695a4e5db999f476ac610d43343d

SHA1
917ca4ea565bdc924c0cd296b95cb57a95551cfa

SHA256
32298b5ee83c50a3a5cd7ab93d6580430e2ffd5ca95443489b153a2368c74992

SHA512
915871f05e2cfb1e5b2a02fdb182d1cbfea71e7e8629d388d0c777dbea1437dc0dd613539f647fb1e85467200773b9df8c9cfae14a1836c42ca1d78e4926cce5

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

Filesize
39.4MB

MD5
67bc695a4e5db999f476ac610d43343d

SHA1
917ca4ea565bdc924c0cd296b95cb57a95551cfa

SHA256
32298b5ee83c50a3a5cd7ab93d6580430e2ffd5ca95443489b153a2368c74992

SHA512
915871f05e2cfb1e5b2a02fdb182d1cbfea71e7e8629d388d0c777dbea1437dc0dd613539f647fb1e85467200773b9df8c9cfae14a1836c42ca1d78e4926cce5

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

Filesize
39.4MB

MD5
67bc695a4e5db999f476ac610d43343d

SHA1
917ca4ea565bdc924c0cd296b95cb57a95551cfa

SHA256
32298b5ee83c50a3a5cd7ab93d6580430e2ffd5ca95443489b153a2368c74992

SHA512
915871f05e2cfb1e5b2a02fdb182d1cbfea71e7e8629d388d0c777dbea1437dc0dd613539f647fb1e85467200773b9df8c9cfae14a1836c42ca1d78e4926cce5

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

Filesize
39.4MB

MD5
67bc695a4e5db999f476ac610d43343d

SHA1
917ca4ea565bdc924c0cd296b95cb57a95551cfa

SHA256
32298b5ee83c50a3a5cd7ab93d6580430e2ffd5ca95443489b153a2368c74992

SHA512
915871f05e2cfb1e5b2a02fdb182d1cbfea71e7e8629d388d0c777dbea1437dc0dd613539f647fb1e85467200773b9df8c9cfae14a1836c42ca1d78e4926cce5

Download Submit
memory/2900-152-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-176-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-118-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-119-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-120-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-121-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-123-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-122-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-124-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-125-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-126-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-127-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-129-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-128-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2900-130-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-131-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-132-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-133-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-135-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-134-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-136-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-137-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-139-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-138-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-141-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-157-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-142-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-143-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-144-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-145-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-147-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-146-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-148-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-150-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-149-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-151-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-116-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-153-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-154-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-115-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-140-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-156-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-158-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-159-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-160-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-161-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-162-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-163-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-164-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-165-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2900-168-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-169-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2900-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2900-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2900-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2900-172-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-174-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-175-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-117-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-177-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-178-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-179-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-180-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-181-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/2900-188-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2900-155-0x0000000076FE0000-0x000000007716E000-memory.dmp

Filesize
1.6MB

Download
memory/4820-302-0x0000000000000000-mapping.dmp

Download
memory/4820-357-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4820-358-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4820-370-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4868-242-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4868-297-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4868-301-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4868-184-0x0000000000000000-mapping.dmp

Download
memory/4904-298-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4904-299-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4904-369-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download