gh0strat | d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a

General

Target

d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe
Size

311KB
MD5

0bcdbfdc66ce046ab767dad307077ce0
SHA1

00c91667408c4540223fb4e867b6212ccdf91151
SHA256

d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a
SHA512

0e9a523c6684dbe4133d27045d30223cd1299e6fff6d36a128b09d208f9477eb19464064296c01113e0b363e4a076643502cf6f0ca933af3aa09ac054397f2e1
SSDEEP

6144:lZMDl+rVwlMu9O2Q72iWTzAt2t3NYXtzAbxWpfO:lZm+rVwH9+SXAt2/xWpfO

Score

10^/10

Malware Config

Signatures

Gh0st RAT payload 5 IoCs

resource	yara_rule
behavioral1/memory/1348-56-0x0000000000400000-0x0000000000427000-memory.dmp	family_gh0strat
behavioral1/files/0x000b0000000122e4-58.dat	family_gh0strat
behavioral1/files/0x000b0000000122e4-60.dat	family_gh0strat
behavioral1/memory/2032-64-0x0000000000400000-0x0000000000427000-memory.dmp	family_gh0strat
behavioral1/memory/2032-66-0x0000000000400000-0x0000000000427000-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

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000500000000b2d2-55.dat	acprotect
behavioral1/files/0x000a0000000122e5-61.dat	acprotect

Executes dropped EXE 1 IoCs

pid	Process
2032	svchest.exe

Deletes itself 1 IoCs

pid	Process
1960	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1348	d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe
2032	svchest.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Windows\\system32\\svchest.exe"	d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\svchest.exe	d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe
File opened for modification	C:\Windows\SysWOW64\svchest.exe	d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2032	svchest.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1348	d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1348	d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe
2032	svchest.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 1960	1348	d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe	28
PID 1348 wrote to memory of 1960	1348	d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe	28
PID 1348 wrote to memory of 1960	1348	d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe	28
PID 1348 wrote to memory of 1960	1348	d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe	28

C:\Users\Admin\AppData\Local\Temp\d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe
"C:\Users\Admin\AppData\Local\Temp\d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\D727CD~1.EXE > nul
  2⤵
  - Deletes itself
  PID:1960

C:\Windows\SysWOW64\svchest.exe
C:\Windows\SysWOW64\svchest.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2032

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\svchest.exe

Filesize
311KB

MD5
0bcdbfdc66ce046ab767dad307077ce0

SHA1
00c91667408c4540223fb4e867b6212ccdf91151

SHA256
d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a

SHA512
0e9a523c6684dbe4133d27045d30223cd1299e6fff6d36a128b09d208f9477eb19464064296c01113e0b363e4a076643502cf6f0ca933af3aa09ac054397f2e1

Download Submit
C:\Windows\SysWOW64\svchest.exe

Filesize
311KB

MD5
0bcdbfdc66ce046ab767dad307077ce0

SHA1
00c91667408c4540223fb4e867b6212ccdf91151

SHA256
d727cd73d813a46f594eb4178572889d7fa90b3e6fff53c6139573811854881a

SHA512
0e9a523c6684dbe4133d27045d30223cd1299e6fff6d36a128b09d208f9477eb19464064296c01113e0b363e4a076643502cf6f0ca933af3aa09ac054397f2e1

Download Submit
\Users\Admin\AppData\Local\Temp\rzkFEAA.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
\Windows\Temp\ack1804.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
memory/1348-57-0x0000000001DA0000-0x0000000001E13000-memory.dmp

Filesize
460KB

Download
memory/1348-54-0x0000000075601000-0x0000000075603000-memory.dmp

Filesize
8KB

Download
memory/1348-56-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/1348-63-0x0000000001DA0000-0x0000000001E13000-memory.dmp

Filesize
460KB

Download
memory/2032-64-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2032-65-0x0000000000430000-0x00000000004A3000-memory.dmp

Filesize
460KB

Download
memory/2032-66-0x0000000000400000-0x0000000000427000-memory.dmp

Filesize
156KB

Download
memory/2032-67-0x0000000000430000-0x00000000004A3000-memory.dmp

Filesize
460KB

Download

Analysis

Sharing