e3d958c0be09c74f6ae0a947388ad2a52be5d149fa682badcbb24338fb0edc38

Analysis

max time kernel
118s
max time network
127s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
09/05/2024, 09:10

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General

Target
locales/da.pak
Size 487KB
Sample240509-k5e45aab91
SHA256 438d2b1fd396c2108ca3902f69eeb372219edd5d95fe70970d8ee9e64556c9a4
MD5 0e4207e2cf5741a8968617df9174a681
SHA1 bf9b7558141ad30bbc921992e48d48cd6d6ab475
SHA512 4ed8368013912c408f7e5f7b4f6f1748834e5506307b92f4b669c557efd27363a55b4e2918eb7707e798878c9492b765f24ab9c90e843f54e8641c4646bc72da
SSDEEP 6144:ZB7xSTKzVhsN5cvfAe914eA4owlTamJw/zobqU9aFut5HPrmc+zd4bTGqewc:ZeTvyAN4aHK5vrnTpM
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_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
2092	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2092	AcroRd32.exe
2092	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 2796	2424	cmd.exe	29
PID 2424 wrote to memory of 2796	2424	cmd.exe	29
PID 2424 wrote to memory of 2796	2424	cmd.exe	29
PID 2796 wrote to memory of 2092	2796	rundll32.exe	30
PID 2796 wrote to memory of 2092	2796	rundll32.exe	30
PID 2796 wrote to memory of 2092	2796	rundll32.exe	30
PID 2796 wrote to memory of 2092	2796	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:2424
- 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:2796
- - 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:2092

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 8ae6f0ac9b6a93a0aec51bd87943c44262dd92803d633d3adc02d3fd2e13f41f
MD5 65d0368b2d5aa8044f4ee5ad0bdd3e3c
SHA1 65904bb1a95fc3690d8c59c65491543793e1b1d8
SHA512 fb0b3e978ef24d9661f5f00040cb6aa483962ad8bdde01423eecdd8256903f53d3971eb68fc3ab9aade9cc53ed78de5401e7a20a9cf3f5e9edecc94f55eb76b3
MD5 SHA1 SHA512

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