45b109779d17c17971bd6b9fa96b67c748a8bbd18804c6d5f5d249dc7f9e6f04

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30/06/2024, 19:49

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General

Target

loader-o.pyc
Size

324KB
MD5

61aff090d88a0356db35e5131817049d
SHA1

d6074330e94897fcf5be2a9262c5f42a5883ef00
SHA256

b612b7e7d2508a7f7e0a2635886becc78219bbc2ddd2172e71488c3076f97cdf
SHA512

299dd2d737e01cd3920fcbf70c57a0542b191f1d5dda038be1202cb8cb8d38beb2f19e58a4a89f45eea9ad362c660e68ce389b158e58d63b4c1952be8b6ee529
SSDEEP

1536:6vU+zT3mNV9xyxECbr1qzcKSLC7oieram1demu+EaCGysFCHqxo4CbV66JnyqyKL:6vUm3Chn/sPYHZd5/altvcdh

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-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2624	AcroRd32.exe
2624	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 2772	1684	cmd.exe	29
PID 1684 wrote to memory of 2772	1684	cmd.exe	29
PID 1684 wrote to memory of 2772	1684	cmd.exe	29
PID 2772 wrote to memory of 2624	2772	rundll32.exe	30
PID 2772 wrote to memory of 2624	2772	rundll32.exe	30
PID 2772 wrote to memory of 2624	2772	rundll32.exe	30
PID 2772 wrote to memory of 2624	2772	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\loader-o.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- 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 use of WriteProcessMemory
  PID:2772
- - 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:2624

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2880

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
901af37a28bb1ac5d9e3e6f91770e27b

SHA1
1a98ac18375d6775e619b1c7e57f4d7274db5492

SHA256
4fa9a88fa7e079443e9e5c4290f0e1ab568c9cf0b154f552b535c5808a3577a6

SHA512
4de64283063566a55c17776ad79ce1d1ec143e5a32d0cde5638ecae4250ddcdc5726c01278abc12cfe42eb21d7bc09491b8a4f301a837a9e38409617818cb481

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