e3d958c0be09c74f6ae0a947388ad2a52be5d149fa682badcbb24338fb0edc38

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/05/2024, 09:10

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General

Target
locales/ca.pak
Size 524KB
Sample240509-k5e45aab91
SHA256 4ecfa3785ab52564e0bd7dda04d59a30163561588a04f3bd1b1b71de051d2c53
MD5 d193a3ac614f64f4754c9df5cf00e880
SHA1 0da0f7c1a4048074f6fe9d70704aa93ff75e42f9
SHA512 e85d18951f9a1a86514d577f9b19a4b3727523c15b4ccdd17217f6fdf69a0e774a36874108a05de1be3dcee1720b0cb19eced2d3283f57f41f5f9c5e233e1c68
SSDEEP 12288:BLUzxDV3sCB/7kREeopxA3n5PqF4N3Mw2juwHzejm0t3lvq8+x9sfR+IsjcmlLER:2zxDVJwY6vR6QZIMN7vsyL5fdjiu
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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_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
2624	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2624	AcroRd32.exe
2624	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2648	2248	cmd.exe	29
PID 2248 wrote to memory of 2648	2248	cmd.exe	29
PID 2248 wrote to memory of 2648	2248	cmd.exe	29
PID 2648 wrote to memory of 2624	2648	rundll32.exe	30
PID 2648 wrote to memory of 2624	2648	rundll32.exe	30
PID 2648 wrote to memory of 2624	2648	rundll32.exe	30
PID 2648 wrote to memory of 2624	2648	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\ca.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2648
- - 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\ca.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2624

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 599a6e1cd8f54a97035f30d8a1152d2c7bf7f44824c79e66a37095f84e4f13ae
MD5 7fb6158c6997f0f6bbb77ecd0a11fb15
SHA1 8130a5ee2f492e24705c11255e326a50248b3a22
SHA512 4f621f56ee7283ff240492f8254254e854f3286414bffb923710d8d833a87bbd6539add1612b0961af7d62d47fe31b42a7b2f9d6df2153b3a592393bbb22b504
MD5 SHA1 SHA512

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