gink | 245e72f872e6c3ede7596f45a17ff7f1ff73d13a19daa0a7e6be2f367eab9e63

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
03-10-2023 18:24

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General

Target

bb1c7518fd2f46ce296643f45ba14cc8_JC.exe
Size

37KB
MD5

bb1c7518fd2f46ce296643f45ba14cc8
SHA1

6d946d1e49f0193a2116ae7d55bee49ea47d1c3a
SHA256

245e72f872e6c3ede7596f45a17ff7f1ff73d13a19daa0a7e6be2f367eab9e63
SHA512

8e53e46731ed26e0089db76a790c24c52a9c1bdf5b2656a0c40289050cc5c1f0caaf47e79af2faf5d9c4162bcc9884d56b461d06fb81d0fcb90cb69d27c15d24
SSDEEP

768:mDEy0Hmn1eN1BezEcY6lFb4TtwMafxTI8w0:mmGnEN1B8Y2swdpdN

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:

bb1c7518fd2f46ce296643f45ba14cc8_JC.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\I-Worm.GiGu = "uGiG.eXe"	bb1c7518fd2f46ce296643f45ba14cc8_JC.exe

Drops file in System32 directory 3 IoCs

Processes:

bb1c7518fd2f46ce296643f45ba14cc8_JC.exe

description	ioc	process
File created	C:\Windows\SysWOW64\GiGu.eXe	bb1c7518fd2f46ce296643f45ba14cc8_JC.exe
File opened for modification	C:\Windows\SysWOW64\GiGu.eXe	bb1c7518fd2f46ce296643f45ba14cc8_JC.exe
File created	C:\Windows\SysWOW64\GiGu.eml	bb1c7518fd2f46ce296643f45ba14cc8_JC.exe

Drops file in Windows directory 2 IoCs

Processes:

bb1c7518fd2f46ce296643f45ba14cc8_JC.exe

description	ioc	process
File created	C:\Windows\uGiG.eXe	bb1c7518fd2f46ce296643f45ba14cc8_JC.exe
File opened for modification	C:\Windows\uGiG.eXe	bb1c7518fd2f46ce296643f45ba14cc8_JC.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2360 2928 WerFault.exe bb1c7518fd2f46ce296643f45ba14cc8_JC.exe

pid	pid_target	process	target process
2360	2928	WerFault.exe	bb1c7518fd2f46ce296643f45ba14cc8_JC.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

bb1c7518fd2f46ce296643f45ba14cc8_JC.exe

description	pid	process	target process
PID 2928 wrote to memory of 2360	2928	bb1c7518fd2f46ce296643f45ba14cc8_JC.exe	WerFault.exe
PID 2928 wrote to memory of 2360	2928	bb1c7518fd2f46ce296643f45ba14cc8_JC.exe	WerFault.exe
PID 2928 wrote to memory of 2360	2928	bb1c7518fd2f46ce296643f45ba14cc8_JC.exe	WerFault.exe
PID 2928 wrote to memory of 2360	2928	bb1c7518fd2f46ce296643f45ba14cc8_JC.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\bb1c7518fd2f46ce296643f45ba14cc8_JC.exe
"C:\Users\Admin\AppData\Local\Temp\bb1c7518fd2f46ce296643f45ba14cc8_JC.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 176
  2⤵
  - Program crash
  PID:2360

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/2928-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2928-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/2928-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download