5166e009197ae04035a75c099defee4144ad844a6bf2eac5b02235cc0dbd2bb3

Analysis

max time kernel
155s
max time network
148s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
24/11/2023, 07:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

locales/cs.pak
Size

377KB
MD5

3e2c49143f4718ddd9c1c74f8599fac2
SHA1

7cce45de66a3895c3493b998fef7bedf045b29e2
SHA256

08e40f5efc616cdc0588fb4b1a706d997c69d17ddaf97eb91a4aabafaa11cee6
SHA512

a849ca0d09e0d4c025d9de6c8008c13e13581961c321f53a552deeaa210db891914386fd51673615aec8b5d8d68a921a968db5d0fe447963892ceb0948861e3d
SSDEEP

6144:QhKH/gwYPl/XACAjRe15q8+Y1zAXn5q8QM:9fgdPl/Q3e15q8+Y1AXnF

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-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1924	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1924	AcroRd32.exe
1924	AcroRd32.exe
1924	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 2968	736	cmd.exe	29
PID 736 wrote to memory of 2968	736	cmd.exe	29
PID 736 wrote to memory of 2968	736	cmd.exe	29
PID 2968 wrote to memory of 1924	2968	rundll32.exe	30
PID 2968 wrote to memory of 1924	2968	rundll32.exe	30
PID 2968 wrote to memory of 1924	2968	rundll32.exe	30
PID 2968 wrote to memory of 1924	2968	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\cs.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:736
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\cs.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2968
- - 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\locales\cs.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1924

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
7c1e5721c8c7af5bb5d080c82b12eb8a

SHA1
4dcfa2f38a0af691a3d9412fbbe9972ff8c757c7

SHA256
a37330b156eb432ac5c5511e558c3c21ad187a1cab2481470a5994f198cafbc7

SHA512
df2387e915991c0518f093833732a25a68a0ec09bf5765199cc9f9a8a4c9ed9a1ff133acb64ddb2a62efb48e6e24682f1e0d3ad96c82c0fe65217b676ca0cd22

Download Submit