decbeada040f605e83f0b4df16aba94ced8762200a35d3e78ef7aedee49b37ad

Analysis

max time kernel
119s
max time network
133s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13/02/2024, 22:01

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General

Target

locales/af.pak
Size

340KB
MD5

198092a7a82efced4d59715bd3e41703
SHA1

ac3cdfba133330fce825816b2f9579ac240dc176
SHA256

d63222c4a20fa9741f5262634cf9751f22fbb4fcd9d3138d7c8d49e0efb57fba
SHA512

590dcc02bc3411fa585321a09f2033ca1839dd67b083622be412d60683c2c086aac81a27bc56029101f6158515cc6ae4def39d3f246b7499b30d02690904af0d
SSDEEP

6144:ptbDrUln/WiOvz9P5D4uEmv0XPjC6nAcbaK6pgwwexhsVxS42K6tA3pU5tpwDw44:ptfOOiOvzg/mCPjC6nAcbipgwwePSS4C

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-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pak_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pak_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pak_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pak_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pak_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pak	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.pak\ = "pak_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\pak_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2572	AcroRd32.exe
2572	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2820	2520	cmd.exe	28
PID 2520 wrote to memory of 2820	2520	cmd.exe	28
PID 2520 wrote to memory of 2820	2520	cmd.exe	28
PID 2820 wrote to memory of 2572	2820	rundll32.exe	29
PID 2820 wrote to memory of 2572	2820	rundll32.exe	29
PID 2820 wrote to memory of 2572	2820	rundll32.exe	29
PID 2820 wrote to memory of 2572	2820	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\locales\af.pak
1⤵
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\locales\af.pak
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2820
- - 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\af.pak"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2572

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
d47872343f7b4291b78fb90ac364b50a

SHA1
81a778d5bdf85196429a5b426d5829298b0b2c6f

SHA256
2f4bcd83cbc43cde85b6c1f0393beb27a043e75135e4a82ea82ae8b7ccd4ddbb

SHA512
266144dbb66c884243c60d19b42e12d1102de1fda8a891bb79de55b1953a465173301f66d657d59889f07e21b84858d16eb9d79331a306716c679f05f8ab668b

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