3f70da063d48c6a6921fee36436a7ca0078c499746c43c575d17476c7aeb19e3

Analysis

max time kernel
117s
max time network
127s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
19/05/2024, 19:52

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General

Target

locales/es-419.pak
Size

473KB
MD5

c8f488b85c17431360e531aa507be979
SHA1

bea5d66bdcc05869a0389e051a9217fd49e48fcd
SHA256

536339d99dee6e8c01f018d4700ddd92ce063f765766a48073aeb256669680c1
SHA512

1d7f9f84a8d7c055bf705c71efaea817f1b9dedd5ba314fec6ce5324f578d3130b5541bb52fa55db9f6e46efa8e152d50199a61c7e2466844a4414df65d61c22
SSDEEP

3072:IiaVobJnVwgKzEFRy7CkcrMjntvYs1kyagv8pPukXA0HjrW5fl5e+GLF47PRRIHO:gKdED+sYzTpsJ5ELF47PdbSTw

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.pak	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_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
2772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2772	AcroRd32.exe
2772	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2724	1704	cmd.exe	29
PID 1704 wrote to memory of 2724	1704	cmd.exe	29
PID 1704 wrote to memory of 2724	1704	cmd.exe	29
PID 2724 wrote to memory of 2772	2724	rundll32.exe	30
PID 2724 wrote to memory of 2772	2724	rundll32.exe	30
PID 2724 wrote to memory of 2772	2724	rundll32.exe	30
PID 2724 wrote to memory of 2772	2724	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\es-419.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\es-419.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2724
- - 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\es-419.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2772

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
a921506dc653deb4fb8ebe176d814686

SHA1
4466ab33d3805f77e93c87e5103077e2f02af793

SHA256
36093ab444c97caa6a44513a819d25fd0c5396b9c12d3e85145bbae0ae74cd68

SHA512
85f518fd4298803b5f9a350762ebd35546ca62e10484a66732e0e3d010757b7f2e7ba8095dd14484538d705c4bac5bcccbebc073adbaa60612f814a5c508ec19

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