gink | bf3260c9fa3c33770785e8fe9f62a1d9fb23c168acfdb1e5a0870de12ea8a679

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
13-10-2023 15:50

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General

Target

NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe
Size

37KB
MD5

86d05d9ab52db0785f8f967b98abf6dc
SHA1

b0f1d94f6453263ff6ee6fa638b6e0ae0bda8e7d
SHA256

bf3260c9fa3c33770785e8fe9f62a1d9fb23c168acfdb1e5a0870de12ea8a679
SHA512

eac331c617c91b35b69143f17528944c1a6c71d17355fa235045492e299759732cf76cc8ba76cf39a5c201baeb698d57c56452b72ac1392f67189f1366b223ed
SSDEEP

768:0aP/wpE5LiJTehk0YpOcvZfMV+llcalI8:1gpEsJyhk0YpOOZfM8n

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.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\I-Worm.GiGu = "uGiG.eXe"	NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe

Drops file in System32 directory 3 IoCs

Processes:

NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe

description	ioc	process
File created	C:\Windows\SysWOW64\GiGu.eXe	NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe
File opened for modification	C:\Windows\SysWOW64\GiGu.eXe	NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe
File created	C:\Windows\SysWOW64\GiGu.eml	NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe

Drops file in Windows directory 2 IoCs

Processes:

NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe

description	ioc	process
File created	C:\Windows\uGiG.eXe	NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe
File opened for modification	C:\Windows\uGiG.eXe	NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2876 2180 WerFault.exe NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe

pid	pid_target	process	target process
2876	2180	WerFault.exe	NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe

description	pid	process	target process
PID 2180 wrote to memory of 2876	2180	NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe	WerFault.exe
PID 2180 wrote to memory of 2876	2180	NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe	WerFault.exe
PID 2180 wrote to memory of 2876	2180	NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe	WerFault.exe
PID 2180 wrote to memory of 2876	2180	NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.NEAS86d05d9ab52db0785f8f967b98abf6dcexe_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 176
  2⤵
  - Program crash
  PID:2876

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/2180-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2180-5-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2180-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download