gh0strat | 7e118dd4c1168b39646bc98a598535c09472e7c1eb49ba696b42a1acc9e7bdba

Analysis

max time kernel
149s
max time network
140s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
10-10-2022 02:05

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General

Target

7e118dd4c1168b39646bc98a598535c09472e7c1eb49ba696b42a1acc9e7bdba.exe
Size

375KB
MD5

433526fc27529dc1c13b3c9de998b06b
SHA1

b8de517b29c3d13a849f45762743e5e94c455ed3
SHA256

7e118dd4c1168b39646bc98a598535c09472e7c1eb49ba696b42a1acc9e7bdba
SHA512

c5f9c0ca30aa4b83d3e7125ea36fd8ac372c94a02aa46db5b6c42390efae9cf49c24f0080bbb1ca6a2ee8e7b2a6676e4da73724d68991b6c23f4a6adb0ab8cec
SSDEEP

6144:hv5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:h4VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

resource	yara_rule
behavioral1/memory/564-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/564-174-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/564-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/564-179-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2928-260-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3356-302-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4436-360-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4436-368-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3356-373-0x0000000010000000-0x0000000010362000-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
2928	SQLSerasi.exe
3356	SQLSerasi.exe
4436	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral1/memory/564-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/564-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/564-174-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/564-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/564-179-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2928-260-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3356-302-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4436-360-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4436-368-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3356-373-0x0000000010000000-0x0000000010362000-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	7e118dd4c1168b39646bc98a598535c09472e7c1eb49ba696b42a1acc9e7bdba.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	7e118dd4c1168b39646bc98a598535c09472e7c1eb49ba696b42a1acc9e7bdba.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\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
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

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	564	7e118dd4c1168b39646bc98a598535c09472e7c1eb49ba696b42a1acc9e7bdba.exe
Token: SeDebugPrivilege	2928	SQLSerasi.exe
Token: SeDebugPrivilege	3356	SQLSerasi.exe
Token: SeDebugPrivilege	3356	SQLSerasi.exe
Token: SeDebugPrivilege	4436	SQLSerasi.exe
Token: SeDebugPrivilege	4436	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 564 wrote to memory of 2928	564	7e118dd4c1168b39646bc98a598535c09472e7c1eb49ba696b42a1acc9e7bdba.exe	66
PID 564 wrote to memory of 2928	564	7e118dd4c1168b39646bc98a598535c09472e7c1eb49ba696b42a1acc9e7bdba.exe	66
PID 564 wrote to memory of 2928	564	7e118dd4c1168b39646bc98a598535c09472e7c1eb49ba696b42a1acc9e7bdba.exe	66
PID 3356 wrote to memory of 4436	3356	SQLSerasi.exe	68
PID 3356 wrote to memory of 4436	3356	SQLSerasi.exe	68
PID 3356 wrote to memory of 4436	3356	SQLSerasi.exe	68

C:\Users\Admin\AppData\Local\Temp\7e118dd4c1168b39646bc98a598535c09472e7c1eb49ba696b42a1acc9e7bdba.exe
"C:\Users\Admin\AppData\Local\Temp\7e118dd4c1168b39646bc98a598535c09472e7c1eb49ba696b42a1acc9e7bdba.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:564
- 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:2928

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:3356
- 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:4436

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
a894728fd8a6071cd8535d386e84b4dc

SHA1
ebec23d7c085ea04cd46ef237ef4f4e139e040de

SHA256
97d3980aa737395a325a41e7071b24434efdab1024a0992f7463aa6514d74d03

SHA512
1df2fb92536786322b01bafd8ea74f8953f59ad0c7e70a622bfcb57b7b7a3f77b6f6c02650fc78a7e5bffc5093e6b17ddd131d94e46d52649d55948d020a2f62

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

Filesize
39.4MB

MD5
a894728fd8a6071cd8535d386e84b4dc

SHA1
ebec23d7c085ea04cd46ef237ef4f4e139e040de

SHA256
97d3980aa737395a325a41e7071b24434efdab1024a0992f7463aa6514d74d03

SHA512
1df2fb92536786322b01bafd8ea74f8953f59ad0c7e70a622bfcb57b7b7a3f77b6f6c02650fc78a7e5bffc5093e6b17ddd131d94e46d52649d55948d020a2f62

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

Filesize
39.4MB

MD5
a894728fd8a6071cd8535d386e84b4dc

SHA1
ebec23d7c085ea04cd46ef237ef4f4e139e040de

SHA256
97d3980aa737395a325a41e7071b24434efdab1024a0992f7463aa6514d74d03

SHA512
1df2fb92536786322b01bafd8ea74f8953f59ad0c7e70a622bfcb57b7b7a3f77b6f6c02650fc78a7e5bffc5093e6b17ddd131d94e46d52649d55948d020a2f62

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

Filesize
39.4MB

MD5
a894728fd8a6071cd8535d386e84b4dc

SHA1
ebec23d7c085ea04cd46ef237ef4f4e139e040de

SHA256
97d3980aa737395a325a41e7071b24434efdab1024a0992f7463aa6514d74d03

SHA512
1df2fb92536786322b01bafd8ea74f8953f59ad0c7e70a622bfcb57b7b7a3f77b6f6c02650fc78a7e5bffc5093e6b17ddd131d94e46d52649d55948d020a2f62

Download Submit
memory/564-156-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-186-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-122-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-123-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-124-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-125-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-126-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-127-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-128-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-129-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/564-130-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-131-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-132-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-133-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-134-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-135-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-136-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-137-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-138-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-140-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-139-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-141-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-142-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-143-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-144-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-145-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-146-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-147-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-148-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-149-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-150-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-151-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-152-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-153-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-154-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-155-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-168-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-157-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-121-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-159-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-160-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-161-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-162-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-163-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-164-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-165-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-166-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-167-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-120-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-169-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/564-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/564-174-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/564-173-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/564-177-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-178-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-179-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/564-180-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-181-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-182-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-183-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-184-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-185-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-158-0x0000000077D60000-0x0000000077EEE000-memory.dmp

Filesize
1.6MB

Download
memory/564-192-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2928-260-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2928-303-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3356-302-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3356-372-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3356-373-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4436-360-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4436-368-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4436-374-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download