ba18ff142bae31457031ca49e772b10792ad3a5bdead90cb2c1d37e2a6c2fd59

Analysis

max time kernel
117s
max time network
136s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
13/04/2024, 01:05

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General

Target

Malware-Feed-master/2020.08.26_CISA-MAR-10301706_North_Korean_RAT_VIVACIOUSGIFT/README.md
Size

57B
MD5

79f3d3ec95c1681b30a289d47fe9bf82
SHA1

5e056ef6753dce87b18f63887c3a93edc982b8cd
SHA256

cf902e98385501c66693e066020c9cd5e8f0fcde375e2821d1b2658ecec7dfc1
SHA512

38a8ccc55d8c7badafd36899b6302724039ee3a17f387ebe0aa29a86ac30215d60e0af8fbb88965e68551853b5a41a454166f95df066ea53b5ed2b8bd83cf2cc

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.md	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2144	2280	cmd.exe	29
PID 2280 wrote to memory of 2144	2280	cmd.exe	29
PID 2280 wrote to memory of 2144	2280	cmd.exe	29
PID 2144 wrote to memory of 2604	2144	rundll32.exe	30
PID 2144 wrote to memory of 2604	2144	rundll32.exe	30
PID 2144 wrote to memory of 2604	2144	rundll32.exe	30
PID 2144 wrote to memory of 2604	2144	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Malware-Feed-master\2020.08.26_CISA-MAR-10301706_North_Korean_RAT_VIVACIOUSGIFT\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Malware-Feed-master\2020.08.26_CISA-MAR-10301706_North_Korean_RAT_VIVACIOUSGIFT\README.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2144
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Malware-Feed-master\2020.08.26_CISA-MAR-10301706_North_Korean_RAT_VIVACIOUSGIFT\README.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2604

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
3f769f9a5174d42bcb74a5c060ed75eb

SHA1
61685f52e230b25464e89d7219c3a9263f325c9e

SHA256
c644cf13786d944ef5cc98d2a43268b8a2df33535937a4a2d4d9efc33810865e

SHA512
f44b062494cdadf5365fafe44b94e73d69804aceacbd4ca160367c469a69a391e991e58e186e9da45fbbf4963752081bf0b1c308ea7eb0289683462d8d81b348

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