gh0strat | ab0ef23bdafaaf5e5f11245067e6f19ef3c28a5745978bd927ed7aa7f8cf5872

Analysis

max time kernel
130s
max time network
142s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
16-09-2022 02:26

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

ab0ef23bdafaaf5e5f11245067e6f19ef3c28a5745978bd927ed7aa7f8cf5872.exe
Size

375KB
MD5

6612b0efd134a3c02db3460d1021a07c
SHA1

c63625fdfc7504ae2620617a334abf6ecbed59b3
SHA256

ab0ef23bdafaaf5e5f11245067e6f19ef3c28a5745978bd927ed7aa7f8cf5872
SHA512

b137caa811586776ceedd6cb4d53f8adccdfe656e492b1092c22390a7278cf0d9932cdfa926ad209438da2a5cf7cb8e2a0c0be87067024c009ef1f4df82dc62c
SSDEEP

6144:pv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:p4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

resource	yara_rule
behavioral1/memory/4744-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4744-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4744-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4744-179-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/5028-254-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2284-304-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2284-307-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3924-362-0x0000000010000000-0x0000000010362000-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
5028	SQLSerasi.exe
2284	SQLSerasi.exe
3924	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/4744-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4744-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4744-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4744-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4744-179-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/5028-254-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2284-304-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2284-307-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3924-362-0x0000000010000000-0x0000000010362000-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	ab0ef23bdafaaf5e5f11245067e6f19ef3c28a5745978bd927ed7aa7f8cf5872.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	ab0ef23bdafaaf5e5f11245067e6f19ef3c28a5745978bd927ed7aa7f8cf5872.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\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
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	SQLSerasi.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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	4744	ab0ef23bdafaaf5e5f11245067e6f19ef3c28a5745978bd927ed7aa7f8cf5872.exe
Token: SeDebugPrivilege	5028	SQLSerasi.exe
Token: SeDebugPrivilege	2284	SQLSerasi.exe
Token: SeDebugPrivilege	2284	SQLSerasi.exe
Token: SeDebugPrivilege	3924	SQLSerasi.exe
Token: SeDebugPrivilege	3924	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 5028	4744	ab0ef23bdafaaf5e5f11245067e6f19ef3c28a5745978bd927ed7aa7f8cf5872.exe	67
PID 4744 wrote to memory of 5028	4744	ab0ef23bdafaaf5e5f11245067e6f19ef3c28a5745978bd927ed7aa7f8cf5872.exe	67
PID 4744 wrote to memory of 5028	4744	ab0ef23bdafaaf5e5f11245067e6f19ef3c28a5745978bd927ed7aa7f8cf5872.exe	67
PID 2284 wrote to memory of 3924	2284	SQLSerasi.exe	69
PID 2284 wrote to memory of 3924	2284	SQLSerasi.exe	69
PID 2284 wrote to memory of 3924	2284	SQLSerasi.exe	69

C:\Users\Admin\AppData\Local\Temp\ab0ef23bdafaaf5e5f11245067e6f19ef3c28a5745978bd927ed7aa7f8cf5872.exe
"C:\Users\Admin\AppData\Local\Temp\ab0ef23bdafaaf5e5f11245067e6f19ef3c28a5745978bd927ed7aa7f8cf5872.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4744
- 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:5028

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:2284
- 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:3924

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

Loading Replay Monitor...

Downloads

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

Filesize
39.4MB

MD5
b1e9c48bd4f285e5584e89d156710d1e

SHA1
e1f80e4e105a740978b1874caac6c4b8d5b11797

SHA256
599acc9b4effe9b2fedd0595c8ffa50c52cd520b031046e270a39cdfcc3a91f6

SHA512
0fa3245ff21a8c425ac6d1d841af97511126f93b251111388a07400a93044a77f88597544eadc4c1defb32e8b7a5d31b4e3bc90ec5efc250ae6364bb4325a65b

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

Filesize
39.4MB

MD5
b1e9c48bd4f285e5584e89d156710d1e

SHA1
e1f80e4e105a740978b1874caac6c4b8d5b11797

SHA256
599acc9b4effe9b2fedd0595c8ffa50c52cd520b031046e270a39cdfcc3a91f6

SHA512
0fa3245ff21a8c425ac6d1d841af97511126f93b251111388a07400a93044a77f88597544eadc4c1defb32e8b7a5d31b4e3bc90ec5efc250ae6364bb4325a65b

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

Filesize
39.4MB

MD5
b1e9c48bd4f285e5584e89d156710d1e

SHA1
e1f80e4e105a740978b1874caac6c4b8d5b11797

SHA256
599acc9b4effe9b2fedd0595c8ffa50c52cd520b031046e270a39cdfcc3a91f6

SHA512
0fa3245ff21a8c425ac6d1d841af97511126f93b251111388a07400a93044a77f88597544eadc4c1defb32e8b7a5d31b4e3bc90ec5efc250ae6364bb4325a65b

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

Filesize
39.4MB

MD5
b1e9c48bd4f285e5584e89d156710d1e

SHA1
e1f80e4e105a740978b1874caac6c4b8d5b11797

SHA256
599acc9b4effe9b2fedd0595c8ffa50c52cd520b031046e270a39cdfcc3a91f6

SHA512
0fa3245ff21a8c425ac6d1d841af97511126f93b251111388a07400a93044a77f88597544eadc4c1defb32e8b7a5d31b4e3bc90ec5efc250ae6364bb4325a65b

Download Submit
memory/2284-304-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2284-307-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2284-373-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3924-374-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3924-362-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4744-155-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-160-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-127-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-128-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-129-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-130-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-131-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-132-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-133-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-134-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-135-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-136-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-137-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-138-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-139-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-140-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-141-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-142-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-143-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-145-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-144-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-146-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-147-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-148-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-149-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-150-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-151-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-152-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-153-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-154-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-124-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-156-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-157-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-158-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-159-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-126-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-161-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-162-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-163-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-164-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-165-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-166-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-167-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-168-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-169-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4744-173-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4744-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4744-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4744-177-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-178-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-179-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4744-180-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-181-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-182-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-183-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-184-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-185-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-186-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-189-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4744-195-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4744-120-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-125-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4744-123-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-122-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/4744-121-0x0000000077BB0000-0x0000000077D3E000-memory.dmp

Filesize
1.6MB

Download
memory/5028-254-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/5028-305-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download