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
134s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06/04/2024, 10:41

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General

Target

locales/bg.pak
Size

608KB
MD5

96372403a9ded96f3a699262029a4580
SHA1

07069b20fe303f6eef1fb6c8c0a19266a0c705c9
SHA256

6c10b64d31e0dc2c4befc6703ac17343ca473b4350cfb3c6e01833f505b69590
SHA512

0df60fe13818f0c3c6838e77686c5de9fa03b97cbf0943f7a2a4ae2f3a0890d3d64b3a7652d8c81c23de876ac92e4c6b71d584fb106c3520c96ef76ba30250fd
SSDEEP

12288:dPnB1xlYrdAs1alUDpzaVVwsl867mFyY3SKN3rsbDxXs7Jfu64KGzrFSZp8VqJ5O:dvBjlYrdAs1alUFTsWoY3SKIVcdu6pGB

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-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_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
2572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2572	AcroRd32.exe
2572	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 2576	2016	cmd.exe	29
PID 2016 wrote to memory of 2576	2016	cmd.exe	29
PID 2016 wrote to memory of 2576	2016	cmd.exe	29
PID 2576 wrote to memory of 2572	2576	rundll32.exe	30
PID 2576 wrote to memory of 2572	2576	rundll32.exe	30
PID 2576 wrote to memory of 2572	2576	rundll32.exe	30
PID 2576 wrote to memory of 2572	2576	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\bg.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2016
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\bg.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2576
- - 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\bg.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2572

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
8c7340e3286257c66fd5f358601c618c

SHA1
51fc1d3e18b4de2fccc650ea54e22b5d4afd93b5

SHA256
c7dc27583d0df5282b8fe2ebb47f5ae47b9d8e7462bda25329c770d15107daed

SHA512
0a0c40983e8f8e0a055da6310aa163f3f181353539bace8b2390d46b8306d884f9b1cf747a660f03e85facabb94e23a16603fd1bd4b25e277aab627917d2b344

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