gink | 02befee9fcda5614a7fc2cfaac0a427cd6482b9c1646b19edfbe9e93862c8cfe

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20231025-en
resource tags

arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
submitted
31-10-2023 19:58

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General

Target

NEAS.63363981a9592158afecb2d9774298b0_JC.exe
Size

37KB
MD5

63363981a9592158afecb2d9774298b0
SHA1

cf9ec264c1d4329de6d383b558228fdc9653e105
SHA256

02befee9fcda5614a7fc2cfaac0a427cd6482b9c1646b19edfbe9e93862c8cfe
SHA512

b4866894fa2ca009daec2b192ac1d7a8c41d2bdb5901397c82be9a3a8e62fcec7a50f6c346b5d2c421f585ade14a375820c9e6a11acd0abcffeb515139ed8dca
SSDEEP

384:FXIZvTSdoxGCJ7evB/iMj2m5pfTDz9VhKPEA1bQFZ1EDlawMsJnI8HSE:WTt8I7evMM55T1fK8ALZRdI8

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:

NEAS.63363981a9592158afecb2d9774298b0_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\I-Worm.GiGu = "uGiG.eXe"	NEAS.63363981a9592158afecb2d9774298b0_JC.exe

Drops file in System32 directory 3 IoCs

Processes:

NEAS.63363981a9592158afecb2d9774298b0_JC.exe

description	ioc	process
File created	C:\Windows\SysWOW64\GiGu.eXe	NEAS.63363981a9592158afecb2d9774298b0_JC.exe
File opened for modification	C:\Windows\SysWOW64\GiGu.eXe	NEAS.63363981a9592158afecb2d9774298b0_JC.exe
File created	C:\Windows\SysWOW64\GiGu.eml	NEAS.63363981a9592158afecb2d9774298b0_JC.exe

Drops file in Windows directory 2 IoCs

Processes:

NEAS.63363981a9592158afecb2d9774298b0_JC.exe

description	ioc	process
File created	C:\Windows\uGiG.eXe	NEAS.63363981a9592158afecb2d9774298b0_JC.exe
File opened for modification	C:\Windows\uGiG.eXe	NEAS.63363981a9592158afecb2d9774298b0_JC.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2276 2124 WerFault.exe NEAS.63363981a9592158afecb2d9774298b0_JC.exe

pid	pid_target	process	target process
2276	2124	WerFault.exe	NEAS.63363981a9592158afecb2d9774298b0_JC.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

NEAS.63363981a9592158afecb2d9774298b0_JC.exe

description	pid	process	target process
PID 2124 wrote to memory of 2276	2124	NEAS.63363981a9592158afecb2d9774298b0_JC.exe	WerFault.exe
PID 2124 wrote to memory of 2276	2124	NEAS.63363981a9592158afecb2d9774298b0_JC.exe	WerFault.exe
PID 2124 wrote to memory of 2276	2124	NEAS.63363981a9592158afecb2d9774298b0_JC.exe	WerFault.exe
PID 2124 wrote to memory of 2276	2124	NEAS.63363981a9592158afecb2d9774298b0_JC.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.63363981a9592158afecb2d9774298b0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.63363981a9592158afecb2d9774298b0_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 176
  2⤵
  - Program crash
  PID:2276

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/2124-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2124-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2124-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download