75a3295f8c688359fcb7555b80e3f71ee42c5ac1d4525a39b2571107acf06a45

Analysis

max time kernel
102s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/07/2024, 21:45

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General

Target

config.json
Size

3KB
MD5

3bea77ef233e2e32636ba889ceb489e3
SHA1

6a0a6be2e24cd5497fbf0298e244234716f5419a
SHA256

a8732f591cbed2b2ab923236d22948f10cb7c4011d6a1018be2fe3c8e8fbf5f2
SHA512

c924567c6c683b90b6dd31af7e976a8222d164c99137b38149ef79d4a1222b35c8bdfef155ee071e66c38b1601f3868c22c30d477fbc5f2dcd7599cd7f4be707

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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2904 wrote to memory of 2200	2904	cmd.exe	30
PID 2904 wrote to memory of 2200	2904	cmd.exe	30
PID 2904 wrote to memory of 2200	2904	cmd.exe	30
PID 2200 wrote to memory of 2736	2200	rundll32.exe	31
PID 2200 wrote to memory of 2736	2200	rundll32.exe	31
PID 2200 wrote to memory of 2736	2200	rundll32.exe	31
PID 2200 wrote to memory of 2736	2200	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\config.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2904
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\config.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2200
- - 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\config.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2736

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
e57d9fc10c029eae453cf3356181123f

SHA1
eac79414be5f363f3478ab1876ab77a3478af23f

SHA256
a152702d5e55bedafefa62dcf5aa026e539b7702236bc2dc44db8b47a06bb2b2

SHA512
057f719a5b1134634cfeafd3847897c6c4219ef2a8746fe735ac0ecb7b752916eeece5a74eb100557df0a0a04701c1e86fe16ea1603e5a722197508a868ed9ef

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