gink | 6420e24f2a4a491d1fa898c2cffda3247b76d7577bf2540ac75076f6f68fc404

Analysis

max time kernel
141s
max time network
125s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
12-10-2023 18:43

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General

Target

b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe
Size

37KB
MD5

b4c86d7c4f80b64e6fa51efdefeb7db3
SHA1

3f8201ab0d0d4ae4a5508f64c9d1422c90a4c418
SHA256

6420e24f2a4a491d1fa898c2cffda3247b76d7577bf2540ac75076f6f68fc404
SHA512

6674c25245bccda116dc45ff3db803bb8cc14b8bc06ee485e3113f6957e8f686d5de1ac58160efd6cefa4d17a593f09c46ba7c870f9b74b76d14f209e9dd0621
SSDEEP

768:H3P6aJXVroMqArZwtYjF7c7uADtt4KdI8:H3PlXVoMLwtYjF7c7uADttv

Score

10^/10

gink persistence worm

Malware Config

Signatures

Gink
worm gink

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\I-Worm.GiGu = "uGiG.eXe"	b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe

Drops file in System32 directory 3 IoCs

Processes:

b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe

description	ioc	process
File created	C:\Windows\SysWOW64\GiGu.eXe	b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe
File opened for modification	C:\Windows\SysWOW64\GiGu.eXe	b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe
File created	C:\Windows\SysWOW64\GiGu.eml	b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe

Drops file in Windows directory 2 IoCs

Processes:

b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe

description	ioc	process
File created	C:\Windows\uGiG.eXe	b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe
File opened for modification	C:\Windows\uGiG.eXe	b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1236 1956 WerFault.exe b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe

pid	pid_target	process	target process
1236	1956	WerFault.exe	b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe

description	pid	process	target process
PID 1956 wrote to memory of 1236	1956	b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe	WerFault.exe
PID 1956 wrote to memory of 1236	1956	b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe	WerFault.exe
PID 1956 wrote to memory of 1236	1956	b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe	WerFault.exe
PID 1956 wrote to memory of 1236	1956	b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe
"C:\Users\Admin\AppData\Local\Temp\b4c86d7c4f80b64e6fa51efdefeb7db3_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 176
  2⤵
  - Program crash
  PID:1236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1956-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1956-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1956-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download