ef179f483aaa529e930f32ff5adb5b156cd56488c398797251bb992a5ca19e93

Analysis

max time kernel
120s
max time network
126s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
28-02-2024 04:37

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General

Target

locales/da.pak
Size

487KB
MD5

426c1035169c079400d71e700cb7aa12
SHA1

90fd4c7c1ec66cf7a4fbf528b0522c3670c5a99f
SHA256

bbd28bfcfb94631347d4aa0ce0a0a756b7003fc486dc3360e0e7ecfc8fe1ee63
SHA512

5290cd34d7022ad6048dae6e02f5c793cde949187cd5527c090be7818a2f2eb71602ee3ceb184a6abef325bfd33ef72ea582a85ab989c2efaad10eadebebaee3
SSDEEP

6144:ZZchZvfVKzV0sN5cvfAe914eA4owlTamJw/zobqU9aFut55Prms+zd4bTGqewc:ZZchn4yAN4aHK5xrXTpM

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-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000_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
2404	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2404	AcroRd32.exe
2404	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2608	2856	cmd.exe	29
PID 2856 wrote to memory of 2608	2856	cmd.exe	29
PID 2856 wrote to memory of 2608	2856	cmd.exe	29
PID 2608 wrote to memory of 2404	2608	rundll32.exe	30
PID 2608 wrote to memory of 2404	2608	rundll32.exe	30
PID 2608 wrote to memory of 2404	2608	rundll32.exe	30
PID 2608 wrote to memory of 2404	2608	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\da.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\da.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2608
- - 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\da.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2404

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
656ae76948cb34aa383c3303899d27c0

SHA1
800810dfb40dde8be2256c104aa6afcbddc70148

SHA256
7f8338f9016523284fe57a5b22b26e6c2eb850c7a6d90d84f6c0e3fe876e2b1f

SHA512
0cc6eb103aff1acfaec25b1db1e6c08418d0285f2e6bb3e9b6dd754fe44f75e387a3d905f1636cf53c047530aaf382671b82d82e697f87d4f4e76b274be4b18c

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