18ce929380ab15f9e9d23d156ff3cff56b94e33641a40379f57e7adc91130c3f

Resubmissions

09/04/2024, 22:11

240409-131wtaea38 8

09/04/2024, 21:43

09/04/2024, 21:18

06/04/2024, 10:55

06/04/2024, 10:41

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
06/04/2024, 10:41

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General

Target

locales/el.pak
Size

664KB
MD5

8f5a15560710db2af852512b7298b93e
SHA1

30a13ebef10108effbad8c24b680228660658415
SHA256

bc07e403272a4d65305fe24a827404d7b931d01cda547f8c07a840d19e591430
SHA512

e3cedc0eaa82b10a68a40aca8ec1379a6bb924766e1c5abd97e39c621dcbc195d6c1ff80921c2320f0f1c87d160bc2a6258108399876339e5104f98d90a861de
SSDEEP

12288:RdquNwK202pgaZH4q5OaPY3HvO9K63/fgBsbfFnxHuhWTT9rkv0pfBtMMkffFZig:RdquNwK202pgaWqsaA3Hm9K63/fgBs9I

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\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\pak_auto_file\shell	rundll32.exe
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
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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	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
2464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2464	AcroRd32.exe
2464	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2840	2364	cmd.exe	29
PID 2364 wrote to memory of 2840	2364	cmd.exe	29
PID 2364 wrote to memory of 2840	2364	cmd.exe	29
PID 2840 wrote to memory of 2464	2840	rundll32.exe	30
PID 2840 wrote to memory of 2464	2840	rundll32.exe	30
PID 2840 wrote to memory of 2464	2840	rundll32.exe	30
PID 2840 wrote to memory of 2464	2840	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\el.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\el.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2840
- - 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\el.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2464

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
63cb09c71632f70a813cc111684cc6ec

SHA1
8e22016d867809e0ef728b4946e1c5ba51cd33d3

SHA256
179976d667b6170354eac751b3d3875b4310f5e4cb17bbedc4a1cf649923a980

SHA512
7e351b3ecb48a6caa47ca2abf9cc72faf0e1acc1af7a318062662e26fbc02ae91469ed0aeda25ee934be1f46af1384f945e3716e20da48382ba2dafff6c42816

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