f8d6e69489d281d3c1b30f0365dfba3290543dff6a92ed984d9ca9ae2df64ee7

Analysis

max time kernel
102s
max time network
18s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
12/07/2024, 13:34

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General

Target

loader-o.pyc
Size

359KB
MD5

a9b0a53e3a7a32810be93e9df5acee6f
SHA1

34eef1ad6131217e1a96c819e3e83248861e4526
SHA256

56f6b7f752fd5962008008a5a7cbfbf869144456d613a0bf236a87b7daaf5990
SHA512

2a042e954015c48931cf91528c299ab9521f75bfc5703e5c6455570ae9a75ba5ea5fd7556ba1d490b5e4454ba670e6b733724216c46bfedae128c0967f0e8206
SSDEEP

1536:Iy6Dbcymg/uKf/owMyNQvCLsn3j5FlSmHYgm9mCVnqVeSrtlmUkkxUsjew+rvhq/:IyIb80GwL7LnLY2Tll2CLGy0GHBMB

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-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_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-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2756	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2756	AcroRd32.exe
2756	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2300 wrote to memory of 2216	2300	cmd.exe	30
PID 2300 wrote to memory of 2216	2300	cmd.exe	30
PID 2300 wrote to memory of 2216	2300	cmd.exe	30
PID 2216 wrote to memory of 2756	2216	rundll32.exe	31
PID 2216 wrote to memory of 2756	2216	rundll32.exe	31
PID 2216 wrote to memory of 2756	2216	rundll32.exe	31
PID 2216 wrote to memory of 2756	2216	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\loader-o.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2300
- 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:2216
- - 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 behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2756

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
e3c57819f91aa29663dbf9ed2da8f233

SHA1
5d0d8bbc9fa9a110ba471e87d81a96f87cbd9b42

SHA256
3aad9ee848fee06ee4d5d8b2e3d2a30abd130c75e1f92a0a603c2dfe7ee489e4

SHA512
9bf6309d82e1a20e39f5db4701f42b06c0494b564d39d65214e7b6ff4e356ef1a4c0a5bcefd69f9c308d1fa59ab104795ec3beb7432fed7a7bb5f34a90e72be8

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