gink | 191bf80efea25d666cd8b0beb7b09c61315f5b7dd92f0dbccbb15783be20d77a

Analysis

max time kernel
140s
max time network
127s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
27-10-2023 22:14

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General

Target

NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe
Size

37KB
MD5

cf3662cde119ff4d676881f78ab7b6bb
SHA1

8eeec0e6fa015784754101bb7738f3af4a463b08
SHA256

191bf80efea25d666cd8b0beb7b09c61315f5b7dd92f0dbccbb15783be20d77a
SHA512

905e66a7b5a30dde8f924bf69dd00b7af1e7e1d9fa7dd771e6bef1c7fb555d4169bb8f29d6b96b09f538b6310899321de15fde6af2e4f701e07705ec9681cd7a
SSDEEP

384:tBuNmhcKRpv+mdC9WwACFYyI1JwjZPAbpTn3JmftKd0PX2nI8RBI:tBescKRpGj9NOyI1Jwl4bvwKdc0I8R

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.cf3662cde119ff4d676881f78ab7b6bb_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\I-Worm.GiGu = "uGiG.eXe"	NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe

Drops file in System32 directory 3 IoCs

Processes:

NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe

description	ioc	process
File created	C:\Windows\SysWOW64\GiGu.eXe	NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe
File opened for modification	C:\Windows\SysWOW64\GiGu.eXe	NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe
File created	C:\Windows\SysWOW64\GiGu.eml	NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe

Drops file in Windows directory 2 IoCs

Processes:

NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe

description	ioc	process
File opened for modification	C:\Windows\uGiG.eXe	NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe
File created	C:\Windows\uGiG.eXe	NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2068 1748 WerFault.exe NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe

pid	pid_target	process	target process
2068	1748	WerFault.exe	NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe

description	pid	process	target process
PID 1748 wrote to memory of 2068	1748	NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe	WerFault.exe
PID 1748 wrote to memory of 2068	1748	NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe	WerFault.exe
PID 1748 wrote to memory of 2068	1748	NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe	WerFault.exe
PID 1748 wrote to memory of 2068	1748	NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.cf3662cde119ff4d676881f78ab7b6bb_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1748 -s 176
  2⤵
  - Program crash
  PID:2068

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/1748-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1748-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1748-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download