gink | 40c16c01e96e0eacea94a6b5ab814112ae56c4f5513059471c2e3011953f9cdf

Analysis

max time kernel
140s
max time network
127s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
30-09-2023 12:13

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General

Target

a40c1d90e49eeb6e9025388140b982e6_JC.exe
Size

37KB
MD5

a40c1d90e49eeb6e9025388140b982e6
SHA1

ed9e0f631e8dd9e924da0205fbe575273e8da37e
SHA256

40c16c01e96e0eacea94a6b5ab814112ae56c4f5513059471c2e3011953f9cdf
SHA512

d295d839182d06d47a6edb7d22c273858fb929bfae28f0dea2023f2e4bc3932729691752499fccb1141385c2aa72b3a01dff3b1efbb025c914d5195435245e43
SSDEEP

384:dY1K97hMZoPp+dtbgSFArt0O7vJVn4MGrK42089AyjQakoa7SHnI87hZR:dBlCep+dtgO0RhVnTf42IIYfkI87hZ

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:

a40c1d90e49eeb6e9025388140b982e6_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\I-Worm.GiGu = "uGiG.eXe"	a40c1d90e49eeb6e9025388140b982e6_JC.exe

Drops file in System32 directory 3 IoCs

Processes:

a40c1d90e49eeb6e9025388140b982e6_JC.exe

description	ioc	process
File created	C:\Windows\SysWOW64\GiGu.eml	a40c1d90e49eeb6e9025388140b982e6_JC.exe
File created	C:\Windows\SysWOW64\GiGu.eXe	a40c1d90e49eeb6e9025388140b982e6_JC.exe
File opened for modification	C:\Windows\SysWOW64\GiGu.eXe	a40c1d90e49eeb6e9025388140b982e6_JC.exe

Drops file in Windows directory 2 IoCs

Processes:

a40c1d90e49eeb6e9025388140b982e6_JC.exe

description	ioc	process
File created	C:\Windows\uGiG.eXe	a40c1d90e49eeb6e9025388140b982e6_JC.exe
File opened for modification	C:\Windows\uGiG.eXe	a40c1d90e49eeb6e9025388140b982e6_JC.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2268 2284 WerFault.exe a40c1d90e49eeb6e9025388140b982e6_JC.exe

pid	pid_target	process	target process
2268	2284	WerFault.exe	a40c1d90e49eeb6e9025388140b982e6_JC.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a40c1d90e49eeb6e9025388140b982e6_JC.exe

description	pid	process	target process
PID 2284 wrote to memory of 2268	2284	a40c1d90e49eeb6e9025388140b982e6_JC.exe	WerFault.exe
PID 2284 wrote to memory of 2268	2284	a40c1d90e49eeb6e9025388140b982e6_JC.exe	WerFault.exe
PID 2284 wrote to memory of 2268	2284	a40c1d90e49eeb6e9025388140b982e6_JC.exe	WerFault.exe
PID 2284 wrote to memory of 2268	2284	a40c1d90e49eeb6e9025388140b982e6_JC.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\a40c1d90e49eeb6e9025388140b982e6_JC.exe
"C:\Users\Admin\AppData\Local\Temp\a40c1d90e49eeb6e9025388140b982e6_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2284 -s 176
  2⤵
  - Program crash
  PID:2268

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/2284-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2284-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2284-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download