48602a57904e3125fb42f5f7c3de1542735aed83562cdfe613fa394d788e32bc

Analysis

max time kernel
121s
max time network
130s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04/06/2024, 23:23

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General

Target
locales/sv.pak
Size 376KB
Sample240604-3dctsseh6x
SHA256 0ad84f6f95fd7505862278a7c1c92d00a7e7dd4a765569e9c3086f55c1d7059d
MD5 bbe0785c5f9591e8a1e7c4830fe949d6
SHA1 da4f3286079d50e1c04e923529e03e7d334c7fff
SHA512 38bab6f3a6c9395d3b57e63168045ad2e8188b2f04751a15253e7226ec3043c9678a77be1eb27a3b2e751934a024f3ffc89fffd9f1e229e19638be318b53e961
SSDEEP 6144:M4pIcHsEAjiwshcB7xopq/4LLXru9M9SOxDE/xUDvZv5pB5mEgb7:BpIcsV9Bxq5/5mz
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_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-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2560	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2560	AcroRd32.exe
2560	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2800	1976	cmd.exe	29
PID 1976 wrote to memory of 2800	1976	cmd.exe	29
PID 1976 wrote to memory of 2800	1976	cmd.exe	29
PID 2800 wrote to memory of 2560	2800	rundll32.exe	30
PID 2800 wrote to memory of 2560	2800	rundll32.exe	30
PID 2800 wrote to memory of 2560	2800	rundll32.exe	30
PID 2800 wrote to memory of 2560	2800	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\sv.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\sv.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2800
- - 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\sv.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2560

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 31e4be93a449725f46468af464b37c152e2716750852c12d9564e26e5f25d9f6
MD5 b150e6040eba5ea6f1bdafd6fa5d3d0f
SHA1 5678f5686d76dc81cb63ea56da49c1e2475790c2
SHA512 1e5edae59c2b76781f69293596f559bdf3c44ab158cd07f568f6720cbcb83377effb7158c676eed80fb2283eda4282c7e8bf5c764a738b559ed73ca79115d865
MD5 SHA1 SHA512

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