7635079472f751071c32a41949affd5f1e70a9f01c173f8e1ba0ae41302ea97e

Analysis

max time kernel
122s
max time network
154s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
24/05/2024, 08:09

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General

Target

RJ01082861-PC/nw_100_percent.pak
Size

808KB
MD5

2b302df5126585962982c5f9173b0413
SHA1

0729dfa5fee344e5530528f35d3e1348cbe44a53
SHA256

295fc26bb067bb062897c7468d508c2007b1531b3b050251a3f73e408c6982b1
SHA512

5003aa447412f44f0e38cbabef0824b16a8de33673cfe30dc9d31d82075b99767a668760c6757911a264e2f52b8730ef818218134b9cc340276ca9d052653734
SSDEEP

6144:lK1KUa3mN+IK0rYvFJLKRQ8UnDwXw/51zxHcSgEal9Dxd0NvmxzaK1aaaDfTEvVR:8ra3ilUeUH/51LLEtuIjgRjict+

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-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pak	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1316	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1316	AcroRd32.exe
1316	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2704	2460	cmd.exe	29
PID 2460 wrote to memory of 2704	2460	cmd.exe	29
PID 2460 wrote to memory of 2704	2460	cmd.exe	29
PID 2704 wrote to memory of 1316	2704	rundll32.exe	30
PID 2704 wrote to memory of 1316	2704	rundll32.exe	30
PID 2704 wrote to memory of 1316	2704	rundll32.exe	30
PID 2704 wrote to memory of 1316	2704	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\RJ01082861-PC\nw_100_percent.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\RJ01082861-PC\nw_100_percent.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2704
- - 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\RJ01082861-PC\nw_100_percent.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1316

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
7baa6d511ba7af47a6f32d6607ceea33

SHA1
6472b7ba867760acd6e24c69d5c748b8be7eac83

SHA256
a3e91d21ad3c8edf0712a9426c21a596aac4403a5aa1b25a6d94eeccad79f62b

SHA512
5da497dcbdf981d73a868cc833669a77b71b5d6037c205d5880cb54d9d99c46cb197a73b74c5c0d6f7064676ef002d3870df971c6af3e8085d1cf43b420c4d0d

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