934be49d3344aefac5ece50281a4f28742bba14418ad410c9d630b6ff89dccf5

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/02/2024, 07:00

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General

Target

HuntBot/README.md
Size

2KB
MD5

cae438bb300819db8551f5d5892a902c
SHA1

000ad78eeaa9ed90268fc35013f717a0a955cb2e
SHA256

da437a45b62ebd5004bd798d8f71fe44d085207945a12adb1cf535be73adeb70
SHA512

5ccc64752d9e1d1316aaff10ffd3d08b7fbd117fc96ac93c945d167c592f3ae7a14c0fdb4e2c7924406c7fe6ff179fcfe5592c418c9efe822b065f32637e43f8

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-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\md_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\md_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_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-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\md_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.md	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2820	AcroRd32.exe
2820	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1304 wrote to memory of 2704	1304	cmd.exe	29
PID 1304 wrote to memory of 2704	1304	cmd.exe	29
PID 1304 wrote to memory of 2704	1304	cmd.exe	29
PID 2704 wrote to memory of 2820	2704	rundll32.exe	30
PID 2704 wrote to memory of 2820	2704	rundll32.exe	30
PID 2704 wrote to memory of 2820	2704	rundll32.exe	30
PID 2704 wrote to memory of 2820	2704	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\HuntBot\README.md
1⤵
- Suspicious use of WriteProcessMemory
PID:1304
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\HuntBot\README.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2704
- - 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\HuntBot\README.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2820

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
b5002ad2cc99c49086777d99128bce5b

SHA1
4fb70ec9a605595c6c02b74cc22f83e239bbadad

SHA256
8a4e059e1fc975c822dae453d155a95fae1800f495c4ee1f8ed266850583a6b2

SHA512
85f287df386f69056437d831d6ed749abd920d67301fbe924fa989d78ae247ab23fdf42b6f5df5c2daef6084475e4c3c369d0be31dbbd06fc2b64bef11bfac31

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