4d8daf45a5fcf7480739974e1d9ecac7370462f66196dd14b9a38020120dc202

Resubmissions

02/06/2024, 23:20

240602-3bvxlaag6v 7

02/06/2024, 23:16

240602-29dwasbg87 4

Analysis

max time kernel
121s
max time network
129s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
02/06/2024, 23:16

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General

Target

locales/ca.pak
Size

430KB
MD5

2cddd012546caf0aed6775cdf5cfdee9
SHA1

cacce951770feefd1bcf89de5be97bb39606e7ee
SHA256

02d60b97f70c31f5c5003108321fc3ac3c79bf39a36392c3adaf7735b9cc1c1d
SHA512

b75d9b2946b11b9fc7430c5773835422aae6e716504d7841c1b08413ec18d454d9d6faa5ed63e19c59ab2e1ee919822283fd7e21a97f54482685d541e4dd2519
SSDEEP

12288:q86RFXgkI0h7nyRhIs3cSlFEYLCJBqB3nbhjJOtJuwlwSGMwFdLbpuQ16BtryBtE:r6wkj0RpTHpEMNJ82kLI25exte

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2400	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2400	AcroRd32.exe
2400	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2584	2304	cmd.exe	29
PID 2304 wrote to memory of 2584	2304	cmd.exe	29
PID 2304 wrote to memory of 2584	2304	cmd.exe	29
PID 2584 wrote to memory of 2400	2584	rundll32.exe	30
PID 2584 wrote to memory of 2400	2584	rundll32.exe	30
PID 2584 wrote to memory of 2400	2584	rundll32.exe	30
PID 2584 wrote to memory of 2400	2584	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:2304
- 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:2584
- - 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:2400

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
ad3b7d7f9c54162c1ef8b8af5862fea2

SHA1
05d0782d2b3c599529bdee2a04aff884062e7526

SHA256
09f12a1a63c6df0d35b406268b96950b1a064558958aa69e37e496243f72db04

SHA512
8931b35283e892c4ae7c44efff62e194426041cbbbcc7a708cce2a04ca6796e157c43233f63026e6ec48e39b984b59820f73b6fe16889f344558946f0f067e0f

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