fe9ef92c748a292553f5a2b93fae0154750581642ececf5671ea68013ee51066

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
02/02/2024, 16:15

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General

Target

Setup/locales/hr.pak
Size

365KB
MD5

04fdc1dac2cae614b0f566310dc83bd0
SHA1

74e460e19a5e9c8b6181fa37cb9085f93bbc6233
SHA256

bada5828fc0d80c842d1409b54e8da516ae737ca30d86658b3fad5c8ace4722e
SHA512

a07bebd16f00b0b46059a7b80454664757687a59903bc36cb837cfb55e69bf7f683157372f74ff8355ad50c3b747c9674ee942aac95a9804c39acb3841721d24
SSDEEP

3072:Rt0zZ58bkQijHuVGgYzgJ5OSFT0uPFG4rV6WI6DkYAiKbeMuVjLsGW0Yqz7pFyLI:72Z5QYuVb3P6T5D37pW

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-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_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-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2932	AcroRd32.exe
2932	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 3064	1708	cmd.exe	29
PID 1708 wrote to memory of 3064	1708	cmd.exe	29
PID 1708 wrote to memory of 3064	1708	cmd.exe	29
PID 3064 wrote to memory of 2932	3064	rundll32.exe	30
PID 3064 wrote to memory of 2932	3064	rundll32.exe	30
PID 3064 wrote to memory of 2932	3064	rundll32.exe	30
PID 3064 wrote to memory of 2932	3064	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Setup\locales\hr.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Setup\locales\hr.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3064
- - 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\Setup\locales\hr.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2932

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
562bee7752a95a24502878ae74f2c3f9

SHA1
434c805c40e78267e0f68517246d1f3a731f2552

SHA256
f6b06b09d898369246680294760331b0865ea96388315cf8c8c80d46adb2c0a5

SHA512
0e2a240e3afece0ffb0bac9a180adf02fc5a7b8f729f5b53dd82e0069cfd1fb6aa641d1c92aadcc618585c5e45a0692dcd8ebdd88cfd322b5c0260c9e7bb2d06

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