gh0strat | 1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491

Analysis

max time kernel
149s
max time network
156s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
06-08-2022 06:46

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General

Target

1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.exe
Size

375KB
MD5

da256f1d62cfe2aed428e42b9bc71192
SHA1

90455fdc445a4f2b97b1aca31d6a5329838d8df2
SHA256

1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491
SHA512

1f509907452e39cae2895f31b24513e762b7d741aac36bf955ab624f6d9f2a8d31ce6b3658e05eed2fce9238a99fd37785265a1d3e3bb7f8b2ea5732d8485d06

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 8 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1316-171-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1316-172-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/1316-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2028-257-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/188-296-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/188-314-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3768-357-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3768-360-0x0000000010000000-0x0000000010362000-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

Processes:

SQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

pid process

2028 SQLSerasi.exe
188 SQLSerasi.exe
3768 SQLSerasi.exe

pid	process
2028	SQLSerasi.exe
188	SQLSerasi.exe
3768	SQLSerasi.exe

UPX packed file 9 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1316-167-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1316-171-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1316-172-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/1316-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2028-257-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/188-296-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/188-314-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3768-357-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3768-360-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Drops file in System32 directory 5 IoCs

Processes:

SQLSerasi.exe

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

Processes:

1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.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

Processes:

SQLSerasi.exe

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

Processes:

SQLSerasi.exe

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

Processes:

1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

description	pid	process
Token: SeDebugPrivilege	1316	1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.exe
Token: SeDebugPrivilege	2028	SQLSerasi.exe
Token: SeDebugPrivilege	188	SQLSerasi.exe
Token: SeDebugPrivilege	188	SQLSerasi.exe
Token: SeDebugPrivilege	3768	SQLSerasi.exe
Token: SeDebugPrivilege	3768	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.exeSQLSerasi.exe

description	pid	process	target process
PID 1316 wrote to memory of 2028	1316	1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.exe	SQLSerasi.exe
PID 1316 wrote to memory of 2028	1316	1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.exe	SQLSerasi.exe
PID 1316 wrote to memory of 2028	1316	1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.exe	SQLSerasi.exe
PID 188 wrote to memory of 3768	188	SQLSerasi.exe	SQLSerasi.exe
PID 188 wrote to memory of 3768	188	SQLSerasi.exe	SQLSerasi.exe
PID 188 wrote to memory of 3768	188	SQLSerasi.exe	SQLSerasi.exe

C:\Users\Admin\AppData\Local\Temp\1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.exe
"C:\Users\Admin\AppData\Local\Temp\1b123b275fb37846ba0d083dce02d4c407d87b30aa105f1c27b556bbae0a4491.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1316

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:2028

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:188

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:3768

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
8d1c5f2a16658215990b11baf446daeb

SHA1
b26a3b4e833b29f7142dddd4196c276ce166a3e9

SHA256
2b7fb24bebcb67ce89eb3ac945c8448062c0a5e74791d87247744877e046a6b1

SHA512
7ecf6308e355b6adeacea3515260632551ef15911eae96e7a8af3e9a0f5b0805d3c881f313a618901eda7526797172f4edf6e2483fcc60aa216f17f529643be4

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
8d1c5f2a16658215990b11baf446daeb

SHA1
b26a3b4e833b29f7142dddd4196c276ce166a3e9

SHA256
2b7fb24bebcb67ce89eb3ac945c8448062c0a5e74791d87247744877e046a6b1

SHA512
7ecf6308e355b6adeacea3515260632551ef15911eae96e7a8af3e9a0f5b0805d3c881f313a618901eda7526797172f4edf6e2483fcc60aa216f17f529643be4

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
8d1c5f2a16658215990b11baf446daeb

SHA1
b26a3b4e833b29f7142dddd4196c276ce166a3e9

SHA256
2b7fb24bebcb67ce89eb3ac945c8448062c0a5e74791d87247744877e046a6b1

SHA512
7ecf6308e355b6adeacea3515260632551ef15911eae96e7a8af3e9a0f5b0805d3c881f313a618901eda7526797172f4edf6e2483fcc60aa216f17f529643be4

Download Submit
C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe
Filesize
39.4MB

MD5
8d1c5f2a16658215990b11baf446daeb

SHA1
b26a3b4e833b29f7142dddd4196c276ce166a3e9

SHA256
2b7fb24bebcb67ce89eb3ac945c8448062c0a5e74791d87247744877e046a6b1

SHA512
7ecf6308e355b6adeacea3515260632551ef15911eae96e7a8af3e9a0f5b0805d3c881f313a618901eda7526797172f4edf6e2483fcc60aa216f17f529643be4

Download Submit
memory/188-296-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/188-369-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/188-314-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1316-150-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-124-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1316-121-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-123-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-153-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-154-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-125-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-126-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-127-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-128-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-129-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-130-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-131-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-132-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-133-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-134-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-135-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-136-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-137-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-138-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-140-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-139-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-141-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-142-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-144-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-143-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-145-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-146-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-147-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-148-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-149-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-119-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-151-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-152-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-155-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-120-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-122-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-156-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-157-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-159-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-158-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-160-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-161-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-162-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-163-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-164-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-165-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-166-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-167-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1316-170-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-171-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1316-172-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1316-173-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-174-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/1316-176-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-177-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-178-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-179-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-180-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-181-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-182-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-189-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1316-117-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/1316-118-0x0000000077B70000-0x0000000077CFE000-memory.dmp

Filesize
1.6MB

Download
memory/2028-299-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2028-257-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/2028-185-0x0000000000000000-mapping.dmp

Download
memory/3768-301-0x0000000000000000-mapping.dmp

Download
memory/3768-357-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3768-360-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3768-370-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download