9309cbe621ced13494dd892250ea9ef33716713f316c384ad094b7dbd1ff73a3

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-06-2024 16:40

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General

Target

CollapseLoader-1.2.5/collapse/main.py
Size

3KB
MD5

6b7365928616d70e3af5a9ec258a4def
SHA1

e83862e604a2aea91b3ba362449262689c33aa0e
SHA256

89d69026fc8ab62908615a50a51976d775f217cdb7cd9a4944ad9f6887dcaeb1
SHA512

af19f13f48ae24093f47709a17cf38252997eabf34ecdb39d8eab4ad0a0daae22abf70f6f6d77cca63b20fa1f94e11b4a4956f5898a26cc1121bb1005ea6b228

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-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\py_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
2812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2524	2100	cmd.exe	29
PID 2100 wrote to memory of 2524	2100	cmd.exe	29
PID 2100 wrote to memory of 2524	2100	cmd.exe	29
PID 2524 wrote to memory of 2812	2524	rundll32.exe	30
PID 2524 wrote to memory of 2812	2524	rundll32.exe	30
PID 2524 wrote to memory of 2812	2524	rundll32.exe	30
PID 2524 wrote to memory of 2812	2524	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\CollapseLoader-1.2.5\collapse\main.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2100
- 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\main.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2524
- - 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\main.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2812

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
f5e99599e8e577588b73b7bcb329b510

SHA1
790e423c9cf36ce9c216f6b4d1a804da6afe269f

SHA256
9aa5e566377ed703960285f6d612a4447923ffcae6e1d4dd7958fb5fd6497161

SHA512
d152d27bc2c9b873421606fdb2e0a85bfd2c413a22d5fe993e383b0f2dbdb35af532e7460bf7bbd2b63b9c78d0a416095bf05739ed1311bc9332dd7b95588582

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