gink | 8744592566728b55309953dfb35a0b1937b2532ff84a5418ab31352fc41b92f1

Analysis

max time kernel
140s
max time network
121s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
16-10-2023 18:42

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General

Target

NEAS.e23b37e0c609ece38c8a78f0adb37140.exe
Size

37KB
MD5

e23b37e0c609ece38c8a78f0adb37140
SHA1

4ba622c3b0ff75f7f905c8442f7775e374e97f35
SHA256

8744592566728b55309953dfb35a0b1937b2532ff84a5418ab31352fc41b92f1
SHA512

f9f79d744ad91b237167426ce2bb1995b2e315cd22c64f45419c929bbbdfa4ad3df0b7780476bc553b0a7af438985af4d91675a9eff648b629c52efa48f4c0d5
SSDEEP

384:lPAhuZb1hfp8PZ69kBErewz63hNnDL5+uqyjvlFJnI8k1fP:lPyUbjfp8BDBEr7+vnDL58yPdI8k1

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.e23b37e0c609ece38c8a78f0adb37140.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\I-Worm.GiGu = "uGiG.eXe"	NEAS.e23b37e0c609ece38c8a78f0adb37140.exe

Drops file in System32 directory 3 IoCs

Processes:

NEAS.e23b37e0c609ece38c8a78f0adb37140.exe

description	ioc	process
File created	C:\Windows\SysWOW64\GiGu.eXe	NEAS.e23b37e0c609ece38c8a78f0adb37140.exe
File opened for modification	C:\Windows\SysWOW64\GiGu.eXe	NEAS.e23b37e0c609ece38c8a78f0adb37140.exe
File created	C:\Windows\SysWOW64\GiGu.eml	NEAS.e23b37e0c609ece38c8a78f0adb37140.exe

Drops file in Windows directory 2 IoCs

Processes:

NEAS.e23b37e0c609ece38c8a78f0adb37140.exe

description	ioc	process
File created	C:\Windows\uGiG.eXe	NEAS.e23b37e0c609ece38c8a78f0adb37140.exe
File opened for modification	C:\Windows\uGiG.eXe	NEAS.e23b37e0c609ece38c8a78f0adb37140.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1956 1436 WerFault.exe NEAS.e23b37e0c609ece38c8a78f0adb37140.exe

pid	pid_target	process	target process
1956	1436	WerFault.exe	NEAS.e23b37e0c609ece38c8a78f0adb37140.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

NEAS.e23b37e0c609ece38c8a78f0adb37140.exe

description	pid	process	target process
PID 1436 wrote to memory of 1956	1436	NEAS.e23b37e0c609ece38c8a78f0adb37140.exe	WerFault.exe
PID 1436 wrote to memory of 1956	1436	NEAS.e23b37e0c609ece38c8a78f0adb37140.exe	WerFault.exe
PID 1436 wrote to memory of 1956	1436	NEAS.e23b37e0c609ece38c8a78f0adb37140.exe	WerFault.exe
PID 1436 wrote to memory of 1956	1436	NEAS.e23b37e0c609ece38c8a78f0adb37140.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\NEAS.e23b37e0c609ece38c8a78f0adb37140.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.e23b37e0c609ece38c8a78f0adb37140.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1436
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 176
  2⤵
  - Program crash
  PID:1956

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/1436-0-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1436-7-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1436-8-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download