d38241aaa6308ef9f79ca6ba87b8f903fd4aa2f44307a45076d0c244fb5c544c

Analysis

max time kernel
122s
max time network
132s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/06/2024, 17:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

locales/ca.pak
Size

430KB
MD5

a69946c79799dde4ead4ee6f27d7fbc4
SHA1

f304240b57df781eb38eb3968b8110db24f18de3
SHA256

6cf25816859b95a5ba7b50578c14630105aa5c078338a4d67f15df0aab58233f
SHA512

169a676cdc1efa5700f8f472a9c0f784dcc7d6215c4ce348a0fc91f3c0dee6c512aea02967051e4daa880ace00cbf2fb9def032590f416ba9f6129fe30df3957
SSDEEP

12288:q86RFXnMh7nyRhIs3cSlFEYLCJBqB3nbhjJOtJuwlwSGMwFdLbpuQ16BtryBtwIU:r6c0RpTHpEMNJ82kLI256xte

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\Local Settings	rundll32.exe
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\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell	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\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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2708	AcroRd32.exe
2708	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2604	2872	cmd.exe	29
PID 2872 wrote to memory of 2604	2872	cmd.exe	29
PID 2872 wrote to memory of 2604	2872	cmd.exe	29
PID 2604 wrote to memory of 2708	2604	rundll32.exe	30
PID 2604 wrote to memory of 2708	2604	rundll32.exe	30
PID 2604 wrote to memory of 2708	2604	rundll32.exe	30
PID 2604 wrote to memory of 2708	2604	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2604
- - 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\ca.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2708

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
914d8efae79e981df5b845de8038e29d

SHA1
805fe69a245ab4c2e3a21d7706652d3fcdd9980e

SHA256
d7bb5d9643c7b3d4c7ccd77211c4ba458546f05160a329abc175a793525b3213

SHA512
1e8318fae183153dffe62049736442aa4d7987e21ca67ccd45674a99c7787ab92f99c5e1333c89e90d8728c2ddd5ee0ea598bf0ca6c05cbf428f7bc982e8876d

Download Submit