gh0strat | e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873

Analysis

max time kernel
131s
max time network
142s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
23-09-2022 06:56

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General

Target

e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.exe
Size

375KB
MD5

f8820219618f07b59345897fed776e9c
SHA1

f7b9564f71d0e6ced133cc7ac188fcf6c6030a5e
SHA256

e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873
SHA512

6a822a331a789e5a1719154a4ed1e5bd917b7c8205d2913e3ab0e173efb4b99a9d186bb1127b816f98cc4f1dbf240207b02c55a3818fcabf239d2081ecdf98f5
SSDEEP

6144:0v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:04VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4192-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4192-175-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4192-176-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4192-178-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4588-259-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/840-303-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/840-304-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4268-363-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/840-374-0x0000000010000000-0x0000000010362000-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

4588 SQLSerasi.exe
840 SQLSerasi.exe
4268 SQLSerasi.exe

pid	process
4588	SQLSerasi.exe
840	SQLSerasi.exe
4268	SQLSerasi.exe

UPX packed file 10 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/4192-170-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4192-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4192-175-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4192-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4192-178-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4588-259-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/840-303-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/840-304-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4268-363-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/840-374-0x0000000010000000-0x0000000010362000-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\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

Processes:

e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.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 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

Processes:

SQLSerasi.exe

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

Processes:

e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

description	pid	process
Token: SeDebugPrivilege	4192	e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.exe
Token: SeDebugPrivilege	4588	SQLSerasi.exe
Token: SeDebugPrivilege	840	SQLSerasi.exe
Token: SeDebugPrivilege	840	SQLSerasi.exe
Token: SeDebugPrivilege	4268	SQLSerasi.exe
Token: SeDebugPrivilege	4268	SQLSerasi.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.exeSQLSerasi.exe

description	pid	process	target process
PID 4192 wrote to memory of 4588	4192	e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.exe	SQLSerasi.exe
PID 4192 wrote to memory of 4588	4192	e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.exe	SQLSerasi.exe
PID 4192 wrote to memory of 4588	4192	e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.exe	SQLSerasi.exe
PID 840 wrote to memory of 4268	840	SQLSerasi.exe	SQLSerasi.exe
PID 840 wrote to memory of 4268	840	SQLSerasi.exe	SQLSerasi.exe
PID 840 wrote to memory of 4268	840	SQLSerasi.exe	SQLSerasi.exe

C:\Users\Admin\AppData\Local\Temp\e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.exe
"C:\Users\Admin\AppData\Local\Temp\e53e578bc6ff61d0c2e37d80faef870679e95d6c7b7fe9dfda5f8fec1d139873.exe"
1⤵
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4192

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:4588

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:840

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:4268

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
de864683f8b09fb46808456b0a883af9

SHA1
69cba448a53ace918b18007092394e30dfeb982c

SHA256
bf7a9c172f9157215e9b7e517cc893254ddd3ac0433397f043fa47c8284e8cf2

SHA512
98c84205ac9a985dd68a8103459b6ebac31b13b80aa949294b9f2424113c2bc9b03fd8040596e0bb8b0884582af6663e18950246ec35f17e733007e1a9d91985

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

MD5
de864683f8b09fb46808456b0a883af9

SHA1
69cba448a53ace918b18007092394e30dfeb982c

SHA256
bf7a9c172f9157215e9b7e517cc893254ddd3ac0433397f043fa47c8284e8cf2

SHA512
98c84205ac9a985dd68a8103459b6ebac31b13b80aa949294b9f2424113c2bc9b03fd8040596e0bb8b0884582af6663e18950246ec35f17e733007e1a9d91985

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

MD5
de864683f8b09fb46808456b0a883af9

SHA1
69cba448a53ace918b18007092394e30dfeb982c

SHA256
bf7a9c172f9157215e9b7e517cc893254ddd3ac0433397f043fa47c8284e8cf2

SHA512
98c84205ac9a985dd68a8103459b6ebac31b13b80aa949294b9f2424113c2bc9b03fd8040596e0bb8b0884582af6663e18950246ec35f17e733007e1a9d91985

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

MD5
de864683f8b09fb46808456b0a883af9

SHA1
69cba448a53ace918b18007092394e30dfeb982c

SHA256
bf7a9c172f9157215e9b7e517cc893254ddd3ac0433397f043fa47c8284e8cf2

SHA512
98c84205ac9a985dd68a8103459b6ebac31b13b80aa949294b9f2424113c2bc9b03fd8040596e0bb8b0884582af6663e18950246ec35f17e733007e1a9d91985

Download Submit
memory/840-303-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/840-304-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/840-374-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/840-373-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4192-155-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-164-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-125-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-126-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-127-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-159-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-129-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-130-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-131-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-132-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-134-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-133-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-135-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-136-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-137-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-138-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-139-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-140-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-141-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-142-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-143-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-144-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-145-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-146-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-147-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-148-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-149-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-150-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-151-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-152-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-153-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-154-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-121-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-156-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-157-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-158-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-128-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-120-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-124-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-162-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-163-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-161-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-165-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-166-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-167-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-168-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-169-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-170-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4192-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4192-174-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-175-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4192-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4192-177-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-178-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4192-179-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-180-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-181-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-182-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-183-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-184-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-185-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-186-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-189-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4192-195-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4192-122-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-160-0x0000000077330000-0x00000000774BE000-memory.dmp

Filesize
1.6MB

Download
memory/4192-123-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4268-307-0x0000000000000000-mapping.dmp

Download
memory/4268-363-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4268-375-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4588-306-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4588-259-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4588-190-0x0000000000000000-mapping.dmp

Download