gh0strat | 4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56

General

Target

4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe
Size

375KB
MD5

660ae7068b4c00acffbc7c467a6a4726
SHA1

8a2d8dab6a1dec8a55ce0b700f728fbc0b5008a9
SHA256

4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56
SHA512

a3f03c3b19289f7a8846585dc9ceec594a6713680ffb975fad12cef77e7181ed539ae2055936fd45ada4e11916f0271f6d56d6015ded70052d005bca4844e1f9
SSDEEP

6144:9v5zQJVb5p72cHF1ybDFwekh212KhvwIb759QOaBjpaVRPu23E2rJmWjFc94:94VOiF1WD7kE1dTYOi8V5u23zmWFy4

Score

10^/10

gh0strat rat upx

Malware Config

Signatures

Gh0st RAT payload 9 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3836-136-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3836-137-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3836-138-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3136-152-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3136-153-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/2688-154-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3136-157-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/3136-173-0x0000000010000000-0x0000000010362000-memory.dmp	family_gh0strat
behavioral1/memory/4644-176-0x0000000010000000-0x0000000010362000-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 4 IoCs

Processes:

SQLSerasi.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

pid process

2688 SQLSerasi.exe
3136 SQLSerasi.exe
4644 SQLSerasi.exe
4704 SQLSerasi.exe

pid	process
2688	SQLSerasi.exe
3136	SQLSerasi.exe
4644	SQLSerasi.exe
4704	SQLSerasi.exe

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/3836-133-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3836-136-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3836-137-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3836-138-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3136-149-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3136-152-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3136-153-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/2688-154-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3136-157-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/3136-173-0x0000000010000000-0x0000000010362000-memory.dmp	upx
behavioral1/memory/4644-176-0x0000000010000000-0x0000000010362000-memory.dmp	upx

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe

Drops file in System32 directory 4 IoCs

Processes:

SQLSerasi.exe

description	ioc	process
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\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

Drops file in Program Files directory 2 IoCs

Processes:

4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe

description	ioc	process
File created	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server\SQLSerasi.exe	4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

732 3136 WerFault.exe SQLSerasi.exe

pid	pid_target	process	target process
732	3136	WerFault.exe	SQLSerasi.exe

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\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

Processes:

SQLSerasi.exe

description	ioc	process
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
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

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exeSQLSerasi.exe

description	pid	process
Token: SeDebugPrivilege	3836	4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe
Token: SeDebugPrivilege	2688	SQLSerasi.exe
Token: SeDebugPrivilege	3136	SQLSerasi.exe
Token: SeDebugPrivilege	3136	SQLSerasi.exe
Token: SeDebugPrivilege	3136	SQLSerasi.exe
Token: SeDebugPrivilege	4644	SQLSerasi.exe
Token: SeDebugPrivilege	4704	SQLSerasi.exe
Token: SeDebugPrivilege	4644	SQLSerasi.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exeSQLSerasi.exe

description	pid	process	target process
PID 3836 wrote to memory of 2688	3836	4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe	SQLSerasi.exe
PID 3836 wrote to memory of 2688	3836	4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe	SQLSerasi.exe
PID 3836 wrote to memory of 2688	3836	4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe	SQLSerasi.exe
PID 3136 wrote to memory of 4644	3136	SQLSerasi.exe	SQLSerasi.exe
PID 3136 wrote to memory of 4644	3136	SQLSerasi.exe	SQLSerasi.exe
PID 3136 wrote to memory of 4644	3136	SQLSerasi.exe	SQLSerasi.exe
PID 3136 wrote to memory of 4704	3136	SQLSerasi.exe	SQLSerasi.exe
PID 3136 wrote to memory of 4704	3136	SQLSerasi.exe	SQLSerasi.exe
PID 3136 wrote to memory of 4704	3136	SQLSerasi.exe	SQLSerasi.exe

C:\Users\Admin\AppData\Local\Temp\4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe
"C:\Users\Admin\AppData\Local\Temp\4372b8241526c35a4bb63cc5a5d653bd3689728cf73bb8d4a93d822d8145cb56.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3836

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:2688

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:3136

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:4644

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:4704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3136 -s 576
2⤵
- Program crash
PID:732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 3136 -ip 3136
1⤵
PID:2192

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

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
1f2cab2ea25daea5409304d0e2bf126f

SHA1
834247b83b99f40778e78f59f5474d82147db57a

SHA256
e34ecdc029ca36dea25d4ee30c87036cdf1e67c114c5fd8a7d2a861dfbd75abc

SHA512
c9fcca73bcae5877301ae389c0c127a8aee42964b67300d9283bc7fb8c048adcf2d61e0fed7b5c76feffcbf765eef94711b9758b4556e2e0f46b5694dba00fe6

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

MD5
1f2cab2ea25daea5409304d0e2bf126f

SHA1
834247b83b99f40778e78f59f5474d82147db57a

SHA256
e34ecdc029ca36dea25d4ee30c87036cdf1e67c114c5fd8a7d2a861dfbd75abc

SHA512
c9fcca73bcae5877301ae389c0c127a8aee42964b67300d9283bc7fb8c048adcf2d61e0fed7b5c76feffcbf765eef94711b9758b4556e2e0f46b5694dba00fe6

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

MD5
1f2cab2ea25daea5409304d0e2bf126f

SHA1
834247b83b99f40778e78f59f5474d82147db57a

SHA256
e34ecdc029ca36dea25d4ee30c87036cdf1e67c114c5fd8a7d2a861dfbd75abc

SHA512
c9fcca73bcae5877301ae389c0c127a8aee42964b67300d9283bc7fb8c048adcf2d61e0fed7b5c76feffcbf765eef94711b9758b4556e2e0f46b5694dba00fe6

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

MD5
1f2cab2ea25daea5409304d0e2bf126f

SHA1
834247b83b99f40778e78f59f5474d82147db57a

SHA256
e34ecdc029ca36dea25d4ee30c87036cdf1e67c114c5fd8a7d2a861dfbd75abc

SHA512
c9fcca73bcae5877301ae389c0c127a8aee42964b67300d9283bc7fb8c048adcf2d61e0fed7b5c76feffcbf765eef94711b9758b4556e2e0f46b5694dba00fe6

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

MD5
1f2cab2ea25daea5409304d0e2bf126f

SHA1
834247b83b99f40778e78f59f5474d82147db57a

SHA256
e34ecdc029ca36dea25d4ee30c87036cdf1e67c114c5fd8a7d2a861dfbd75abc

SHA512
c9fcca73bcae5877301ae389c0c127a8aee42964b67300d9283bc7fb8c048adcf2d61e0fed7b5c76feffcbf765eef94711b9758b4556e2e0f46b5694dba00fe6

Download Submit
memory/2688-158-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2688-156-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2688-139-0x0000000000000000-mapping.dmp

Download
memory/2688-154-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3136-153-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3136-152-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3136-155-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3136-157-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3136-149-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3136-173-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3836-133-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3836-132-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3836-143-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3836-138-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3836-137-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/3836-136-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4644-159-0x0000000000000000-mapping.dmp

Download
memory/4644-174-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4644-176-0x0000000010000000-0x0000000010362000-memory.dmp

Filesize
3.4MB

Download
memory/4704-175-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/4704-162-0x0000000000000000-mapping.dmp

Download
memory/4704-177-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads