a8d5126a1eafba06775bf2eaaf74b52873f15ac8c35a3603517511fcc6e1eaea

Analysis

max time kernel
1199s
max time network
1225s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-02-2024 20:06

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General

Target

locales/te.pak
Size

1.2MB
MD5

d262c33a8c2b4949dff36cc1980e5f05
SHA1

e1ad725c388c4a1a386b4ab6170601863c943c29
SHA256

09ab1ac2b69f868539d4f2e59dfea8c3c2f418a5455777e4c91d13c5ee55ab4c
SHA512

0202f6ac32878926422d542ea96b0bcf8b168f8ec6b928121c368711856fd5f4781a24b15851cdb5892246b355d0dd37504d4599b24e9fe8a723b8dfbfeed29b
SSDEEP

12288:vAmbpM7McKNLC3ot5xd4E6gb0nQWN5Bk3p1FZexiFlJ2wCg9NFq0CrOloXAoPQ9S:o+ppX95/Mea

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-1-5-21-2461186416-2307104501-1787948496-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000_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
2812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2812	AcroRd32.exe
2812	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 1032	2040	cmd.exe	29
PID 2040 wrote to memory of 1032	2040	cmd.exe	29
PID 2040 wrote to memory of 1032	2040	cmd.exe	29
PID 1032 wrote to memory of 2812	1032	rundll32.exe	30
PID 1032 wrote to memory of 2812	1032	rundll32.exe	30
PID 1032 wrote to memory of 2812	1032	rundll32.exe	30
PID 1032 wrote to memory of 2812	1032	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\te.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\te.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1032
- - 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\te.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2812

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
e7764c3c9df54b54d9777ee149f9ec4d

SHA1
f53854706744f25c78549d636b5f4b216e830adf

SHA256
ee4cccae22921e8593c1ea3c4f9f09037d3c0773e8abf8741a2d8ab0fc7bc2dc

SHA512
0d48223abfbdcf87b69f620d341464ef3ad52a8c59fdf8ba8ea42297833486f3bdc6407c7f907cc4eabc0c6b220346467b05f36e07b4a16dc948c394f6ed2f8b

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