cd641c84836ec8e54d93417e7ec508bf3effe1fe6e6fd91fe5f5c8a09778591d

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 20:12

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General

Target

Rose-Stealer-main/utils/b85_encode.py
Size

254B
MD5

2b244937ab9a64e0c5029bbf0bae2fb8
SHA1

32a70f5e19d0e69c614465cdc1da43b4902219da
SHA256

94a99b12b6c83349041329abb1d573ed40d878ec4968f5e7533130576342c799
SHA512

eac0f7cb6a9f1e0cd37564b8e2327c18ccaaef92d0b5cd70f533c5f7b8cc4f76ca53856be7f9087fe25bbb8eea503c63d03b39cfc075381932eb66f44ea3cd20

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-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2884	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2884	AcroRd32.exe
2884	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 3052	2412	cmd.exe	29
PID 2412 wrote to memory of 3052	2412	cmd.exe	29
PID 2412 wrote to memory of 3052	2412	cmd.exe	29
PID 3052 wrote to memory of 2884	3052	rundll32.exe	30
PID 3052 wrote to memory of 2884	3052	rundll32.exe	30
PID 3052 wrote to memory of 2884	3052	rundll32.exe	30
PID 3052 wrote to memory of 2884	3052	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Rose-Stealer-main\utils\b85_encode.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Rose-Stealer-main\utils\b85_encode.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3052
- - 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\Rose-Stealer-main\utils\b85_encode.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2884

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
ad9d74e35d0170baad179ee624e285ac

SHA1
a454e15fff0df99121396ed39eb0d9583156dd73

SHA256
18fed2266072c63e0c355648951f69d2af417698ba2202e2245bb53a0427f093

SHA512
af90bd86106579caa58f85281d12f25368a8fd178516c4bf689abbfef425744dfb17c53c3ef5739a6fbf6a43d15353340b03a73aab6818128b6fc25c0033edc0

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