86c50ceeb3fcb680b4bdb4c3555664f45e3123962850191383ddee8b1b2497b5

Analysis

max time kernel
1559s
max time network
1560s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13/07/2024, 20:57

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General

Target

vanish-flooder-main/README.md
Size

122B
MD5

ef1586ae016533897adb5a7843cfc49c
SHA1

5a8878d5c7ff2207e708c77cb65966c055e8815e
SHA256

5fb9a99983e7225193675458d7e47d876291f35c2dadda9c0c94b1a09aa225b2
SHA512

63efe033d88e2ff2518b1d675a60daa70c6db1535869dc752842695b9db0d729d3c8139d287431bd4384112bf5002bff3bf09ec2c6b81f58a26170a3c60dbce1

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
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.md	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\md_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\md_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1812	AcroRd32.exe
1812	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2900	2768	cmd.exe	31
PID 2768 wrote to memory of 2900	2768	cmd.exe	31
PID 2768 wrote to memory of 2900	2768	cmd.exe	31
PID 2900 wrote to memory of 1812	2900	rundll32.exe	32
PID 2900 wrote to memory of 1812	2900	rundll32.exe	32
PID 2900 wrote to memory of 1812	2900	rundll32.exe	32
PID 2900 wrote to memory of 1812	2900	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\vanish-flooder-main\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\vanish-flooder-main\README.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2900
- - 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\vanish-flooder-main\README.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1812

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
25b88de59ef9db72bab688fe02eb788a

SHA1
fc3f3b2f43c1adb711a90d59048a9d7e1192538f

SHA256
3c25ea374127a610b6015bec72c5744fb58f146f53c02e476bc19b5eadc838f8

SHA512
9f55a1b9a8e863c84bf4d78ef138e54be8d526cdd5a31a2ce96fa5762822174d295af39a7fc036098af8f2faffee1aff1281116cd81a04ab44b03ad42307c55e

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