gink | 40c16c01e96e0eacea94a6b5ab814112ae56c4f5513059471c2e3011953f9cdf

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2023, 12:13

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General

Target
a40c1d90e49eeb6e9025388140b982e6_JC.exe
Size 37KB
Sample230930-pdtwesda46
SHA256 40c16c01e96e0eacea94a6b5ab814112ae56c4f5513059471c2e3011953f9cdf
MD5 a40c1d90e49eeb6e9025388140b982e6
SHA1 ed9e0f631e8dd9e924da0205fbe575273e8da37e
SHA512 d295d839182d06d47a6edb7d22c273858fb929bfae28f0dea2023f2e4bc3932729691752499fccb1141385c2aa72b3a01dff3b1efbb025c914d5195435245e43
SSDEEP 384:dY1K97hMZoPp+dtbgSFArt0O7vJVn4MGrK42089AyjQakoa7SHnI87hZR:dBlCep+dtgO0RhVnTf42IIYfkI87hZ
MD5 SHA1 SHA512 SSDEEP

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

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

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

Drops file in Windows directory 2 IoCs

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

pid	pid_target	Process	procid_target
4632	4276	WerFault.exe	66

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4276	a40c1d90e49eeb6e9025388140b982e6_JC.exe
4276	a40c1d90e49eeb6e9025388140b982e6_JC.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 behavior: EnumeratesProcesses
PID:4276
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 516
  2⤵
  - Program crash
  PID:4632

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4276 -ip 4276
1⤵
PID:4824

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/4276-0-0x0000000000400000-0x0000000000409000-memory.dmp

Download

memory/4276-5-0x0000000000400000-0x0000000000409000-memory.dmp

Download

memory/4276-8-0x0000000000400000-0x0000000000409000-memory.dmp

Download