9309cbe621ced13494dd892250ea9ef33716713f316c384ad094b7dbd1ff73a3

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
06/06/2024, 16:40

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General

Target

CollapseLoader-1.2.5/collapse/utils/RPC.py
Size

1KB
MD5

9aa9380b760e117efb4255b192d625ef
SHA1

3661fa6f768e73069df345f8ebc5c707d58b2fe5
SHA256

8e58c9d2a771cceff74e839575f5ce934b7180d7969acc311439a2c60f3c6858
SHA512

d58ad82bf266ec8208621ce7dfb761dedb18fc26ff99385f06122b0011e5b38910c573e008eb8626b7ed32eced652d31fc98fdea2628a1e95ecad97914528839

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
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2412	AcroRd32.exe
2412	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2508	3044	cmd.exe	29
PID 3044 wrote to memory of 2508	3044	cmd.exe	29
PID 3044 wrote to memory of 2508	3044	cmd.exe	29
PID 2508 wrote to memory of 2412	2508	rundll32.exe	30
PID 2508 wrote to memory of 2412	2508	rundll32.exe	30
PID 2508 wrote to memory of 2412	2508	rundll32.exe	30
PID 2508 wrote to memory of 2412	2508	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\CollapseLoader-1.2.5\collapse\utils\RPC.py
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\CollapseLoader-1.2.5\collapse\utils\RPC.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2508
- - 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\CollapseLoader-1.2.5\collapse\utils\RPC.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2412

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
46ed611456bd7db5fecfb53b303042b9

SHA1
a96c0fc7cd4928fb1064db87a7479024ccdb99a4

SHA256
e47d238d3489440f9fab96bdb96a1a77a4d04aa1f44cb57111b74bc9aa24a353

SHA512
ed2319e23ec9c8982d08a7fb57485ea50979b52268362ff20d248d1c6fdce34f2b40a5ea85dcceaab824a77d253a69d828e2461f28205a832e6943c3ea23a110

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