e54d7b6b9f1cc61d59519d5cac352c798158f63f834b663a035198a1e6685a8b

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02-03-2024 19:46

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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-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1298544033-3225604241-2703760938-1000_CLASSES\.pak	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2516	AcroRd32.exe
2516	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2676	2192	cmd.exe	29
PID 2192 wrote to memory of 2676	2192	cmd.exe	29
PID 2192 wrote to memory of 2676	2192	cmd.exe	29
PID 2676 wrote to memory of 2516	2676	rundll32.exe	30
PID 2676 wrote to memory of 2516	2676	rundll32.exe	30
PID 2676 wrote to memory of 2516	2676	rundll32.exe	30
PID 2676 wrote to memory of 2516	2676	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:2192
- 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:2676
- - 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:2516

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
0779c3f0bc5417173d5af6a565b2bb70

SHA1
59ce6b1e28f84c2d549bfb51064187518e2a7e28

SHA256
6fc3a6601ce30d1c70bb12b8f00c8be91fd9f2289085668e3d3b2b937da4e00d

SHA512
990145d7a0545f0e63f10b5ea8c1fe3162959d1f4af3f9ad9c2b05bf80aae66f466ea3df24a3083452df0ef1ed6ec3b4bbba7d47d2ee7ee7b5af8ccc198c1a91

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