ed8d19c843f0c321d9ceb1201d78d9ded4f8685705706b620a250e3ea59adeb9

Analysis

max time kernel
12s
max time network
11s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
14/07/2024, 20:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

loader-o.pyc
Size

281KB
MD5

dfb79ab8133b2c42bddfd1fab4a8923b
SHA1

5c1dedde56e6a19ebc971d6d7eef09b3924ce6cb
SHA256

a44f854ce44451a188f7c7dc9a4480978e7bee6cc503077b442419c0dfca7b47
SHA512

fca34a88797a13857cc0514fa0bf11ae0d3a2898c0a9296c2c5f4f7946dce86ae4f43bb0ca4f08c27c6b3cbf39e83372b5b8a24fe8b07196561b219d14987d00
SSDEEP

1536:aaqk4bvv85VGtCBrEjvF4ponc4TV4lafHjcmY6mwxHTSoni9edpw2YRxFfSLoqou:aaUbvkaKr4FCeTOVxHWup5aOEg2h

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-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2660163958-4080398480-1122754539-1000_CLASSES\pyc_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
2228	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2796	AcroRd32.exe
2796	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2228	2944	cmd.exe	31
PID 2944 wrote to memory of 2228	2944	cmd.exe	31
PID 2944 wrote to memory of 2228	2944	cmd.exe	31
PID 2228 wrote to memory of 2796	2228	rundll32.exe	32
PID 2228 wrote to memory of 2796	2228	rundll32.exe	32
PID 2228 wrote to memory of 2796	2228	rundll32.exe	32
PID 2228 wrote to memory of 2796	2228	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\loader-o.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\loader-o.pyc
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:2228
- - 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\loader-o.pyc"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2796

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
b8f637d032388c78c03a49212d83c82e

SHA1
6f168bdc274758ae90ebdb1e7c01b1dbf985cc19

SHA256
ff70460e7e740c08c83f641e246ad765c4640bb5b370d6e04b767127775f2f4a

SHA512
9b7fc0b9675670a62bf33bf4a5902c688c9a11454f5b4ec307d9f69a5587037eacbb6b610925e8608ff81e71bd4c2a6a434bc2f23ea8bfee376400e49259680a

Download Submit