ac7bf1cf5d4b2ec6de9bc3e5f4402df6d9d7ebe089cdcbbcf7be8a8995a56f1a

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
17/05/2024, 00:05

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General

Target

c-realV2.pyc
Size

151KB
MD5

cc054fc18eea0258f0708ec4f42510f2
SHA1

061b3fe78d8067123acc3bfcf8842725e6e5524f
SHA256

017f4257fd7bec866c39093406d0fbb5374cd6bdccad3d55f048dca47956087c
SHA512

2f12426cf9c2704c716d77f0fbc2b7df7fd88e02dbc0ed13f5b81eacb9e13a1983585d24d4a58d7a9a438c07573060d9c8bf003afce0a7f067c0fc66295b91ce
SSDEEP

3072:lR714RZkSVHfMn20+1Y5KT5kPWzcWyOuiP:lR7GvkoHfMn20+1Y5KT5kPWz3yOuiP

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-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2076	AcroRd32.exe
2076	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2748	2256	cmd.exe	29
PID 2256 wrote to memory of 2748	2256	cmd.exe	29
PID 2256 wrote to memory of 2748	2256	cmd.exe	29
PID 2748 wrote to memory of 2076	2748	rundll32.exe	30
PID 2748 wrote to memory of 2076	2748	rundll32.exe	30
PID 2748 wrote to memory of 2076	2748	rundll32.exe	30
PID 2748 wrote to memory of 2076	2748	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\c-realV2.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\c-realV2.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2748
- - 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\c-realV2.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2076

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

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Downloads

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

Filesize
3KB

MD5
d3e9f00ec638d56ff8f9c603522d9b59

SHA1
0ac330226e4cd885b3648b4261912d2d8295a4ee

SHA256
a3b1f71c31ee1704c537de82bb846604cfc8154f49b227280d175b89651e43f1

SHA512
f2804b5e17648b2d182e737a1c60d1773b5bc850d13027eb39db2e41473b1c68cca07c592c5afb792304e74ea242eb40b8416f56eef7f151d2f0ab33cdd1abe4

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