e443fc596e951b82a800ebebf6d8ceb73c8ebd49d79e27891e7fe0e03d9eae59

Analysis

max time kernel
67s
max time network
69s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23/05/2024, 14:29

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General

Target

Builder.pyc
Size

261KB
MD5

88e7c431909e81ba2277549fc723c330
SHA1

cb56b68d13499c3918892f4edfbe3dfaa4de68d0
SHA256

8a8c154099668d750b23d09c398594572501382ac28c1605d164f7b745dbf499
SHA512

3fc3b4a9d7ceab2b4fd8855c5b05fe9df3add797ef3fa9b44e0c7ff03162358cfd1ce356e352f7cb4a89099b3bfd6f58103b53656b856daef5d5a4aeb03dcd31
SSDEEP

3072:6zDI4ykuQA8BnPZ05DTvtIM/zQ8J7sdd3:ixykuL8BnPW5nFIMrQ8Jwdp

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000_Classes\Local Settings	cmd.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2020	NOTEPAD.EXE

Suspicious use of SetWindowsHookEx 11 IoCs

pid	Process
3156	OpenWith.exe
3156	OpenWith.exe
3156	OpenWith.exe
3156	OpenWith.exe
3156	OpenWith.exe
3156	OpenWith.exe
3156	OpenWith.exe
3156	OpenWith.exe
3156	OpenWith.exe
3156	OpenWith.exe
3156	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3156 wrote to memory of 2020	3156	OpenWith.exe	104
PID 3156 wrote to memory of 2020	3156	OpenWith.exe	104

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Builder.pyc
1⤵
- Modifies registry class
PID:2748

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3156
- C:\Windows\system32\NOTEPAD.EXE
  "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\Builder.pyc
  2⤵
  - Opens file in notepad (likely ransom note)
  PID:2020

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4024,i,11746347647270949551,7786733067759450703,262144 --variations-seed-version --mojo-platform-channel-handle=3936 /prefetch:8
1⤵
PID:436

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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