9309cbe621ced13494dd892250ea9ef33716713f316c384ad094b7dbd1ff73a3

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
06/06/2024, 16:40

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General

Target

CollapseLoader-1.2.5/builder.py
Size

983B
MD5

f05a99f0f3635629b2da3b10b1b06dc6
SHA1

071de0ebf8700ced13ae0f9c0ce2570a5b26476d
SHA256

0aa3210af640879efe2222b1a28aed0c39e8a8f505f19064f85415dba05b6e7e
SHA512

9d3f2b0860fa2c3af8f85393490d37148543bbf973564751fc1c911e4271ea972e2b9e34e73aeae40fc35a0b9bc45ad01da604e2621a2d29491e12d035ead073

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-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_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
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\CollapseLoader-1.2.5\builder.py
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\CollapseLoader-1.2.5\builder.py
  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\CollapseLoader-1.2.5\builder.py"
    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

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
ef37ade8cbf9a9547e3188c777213906

SHA1
4d034eac3ddf7ba69154b884f11538783c7b3e62

SHA256
09149439fea85de919e7b0c24736ed1b1f33d52d13384aff366fd6054934713b

SHA512
cc7bbecb233ae198f176c3c5a218c9e1a1d429f700f1f2e9ea53dcc6e6afa02a634881fe304e7b4da98982771664d49febcb9f13a66d7492f2d8fc0bfaf7de78

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