gh0strat | 77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c

Analysis

max time kernel
151s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2022 08:02

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General

Target

77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe
Size

252KB
MD5

eb1d4a1b9a94f36a4a90c4ffbe33ea14
SHA1

71163ea884aced730b626454f1de9b1fbc258422
SHA256

77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c
SHA512

8fdfb864e0fb68434a196edea440db5ebd983de9ac40fb2933cdbb9933ea641df0ffbe1497d966e9b2faf6f6b00792404179a6a00b29fb1ae7eb18366a989ecc
SSDEEP

3072:PfvUpXXkVMO4gCwd3E5y1mZCGbvKa2x719Iy/jvuyttPlLcHUdPt1Xs:XvUpHu4gvqQ1QKPyIjftxdkUdz

Score

10^/10

gh0strat rat

Malware Config

Signatures

Gh0st RAT payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1956-132-0x0000000010000000-0x0000000010016000-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 1 IoCs

Processes:

xcvzci.exe

pid process

1984 xcvzci.exe

pid	process
1984	xcvzci.exe

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:

77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe

Drops file in Windows directory 2 IoCs

Processes:

77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe

description	ioc	process
File created	C:\Windows\xcvzci.exe	77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe
File opened for modification	C:\Windows\xcvzci.exe	77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exexcvzci.exe

pid	process
1956	77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe
1956	77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe
1984	xcvzci.exe
1984	xcvzci.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe

description	pid	process	target process
PID 1956 wrote to memory of 4080	1956	77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe	WScript.exe
PID 1956 wrote to memory of 4080	1956	77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe	WScript.exe
PID 1956 wrote to memory of 4080	1956	77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe	WScript.exe

C:\Users\Admin\AppData\Local\Temp\77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe
"C:\Users\Admin\AppData\Local\Temp\77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\4297.vbs"
2⤵
PID:4080

C:\Windows\xcvzci.exe
C:\Windows\xcvzci.exe
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1984

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:\4297.vbs

Filesize
500B

MD5
7eae53eedb1d0668d16490cde68ced19

SHA1
6f5ba565a182633262e2c5d3189806bed157f69f

SHA256
038f7be8e85825ca8a0d8dbde420e893f095deededf4043479a5940a136901aa

SHA512
a81b4dfc12a622f27661d186327270dd2beec174e76896067c4fdd2d94cbba5ec7a8f5382ccbe7e8d2244f66ab1de96e0166bee22686ed954c2cf1e0494656bb

Download Submit
C:\Windows\xcvzci.exe

Filesize
252KB

MD5
eb1d4a1b9a94f36a4a90c4ffbe33ea14

SHA1
71163ea884aced730b626454f1de9b1fbc258422

SHA256
77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c

SHA512
8fdfb864e0fb68434a196edea440db5ebd983de9ac40fb2933cdbb9933ea641df0ffbe1497d966e9b2faf6f6b00792404179a6a00b29fb1ae7eb18366a989ecc

Download Submit
C:\Windows\xcvzci.exe

Filesize
252KB

MD5
eb1d4a1b9a94f36a4a90c4ffbe33ea14

SHA1
71163ea884aced730b626454f1de9b1fbc258422

SHA256
77410c380365854826de27a653bbdb921b4b6b7343e41fad74c8c1ec102d122c

SHA512
8fdfb864e0fb68434a196edea440db5ebd983de9ac40fb2933cdbb9933ea641df0ffbe1497d966e9b2faf6f6b00792404179a6a00b29fb1ae7eb18366a989ecc

Download Submit
memory/1956-132-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/4080-142-0x0000000000000000-mapping.dmp

Download