36405252e76b3559815240eb6257d7a1567a734f11cc082977a9d5b276cf9f00

Analysis

max time kernel
901s
max time network
903s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
15/06/2023, 15:55

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General

Target

flathub-x86_64-36405252e76b3559815240eb6257d7a1567a734f11cc082977a9d5b276cf9f00.sub
Size

4.4MB
MD5

cbcf4d08458c3ff9be0d82a6e042fa27
SHA1

ad569a70e69812ec3788ca1bf58ef9b2851b4f44
SHA256

36405252e76b3559815240eb6257d7a1567a734f11cc082977a9d5b276cf9f00
SHA512

fb3d2acd4fa65d1aef4a8e3608c68d5c213b5099c2701da96d6aac150a48ff1d001ed53eac7cd01eb29bd7948647d842a7c9c6e45c50e3312986ba3c667cd16f
SSDEEP

49152:XmknesSI5UpKmgY7DWi98XHymOOpSkLFgt/Y:WDvRgYFY

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 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\.sub	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\sub_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\sub_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\sub_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\sub_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\.sub\ = "sub_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\sub_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\sub_auto_file	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1184	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1184	AcroRd32.exe
1184	AcroRd32.exe
1184	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 1928	2012	cmd.exe	29
PID 2012 wrote to memory of 1928	2012	cmd.exe	29
PID 2012 wrote to memory of 1928	2012	cmd.exe	29
PID 1928 wrote to memory of 1184	1928	rundll32.exe	30
PID 1928 wrote to memory of 1184	1928	rundll32.exe	30
PID 1928 wrote to memory of 1184	1928	rundll32.exe	30
PID 1928 wrote to memory of 1184	1928	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\flathub-x86_64-36405252e76b3559815240eb6257d7a1567a734f11cc082977a9d5b276cf9f00.sub
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\flathub-x86_64-36405252e76b3559815240eb6257d7a1567a734f11cc082977a9d5b276cf9f00.sub
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1928
- - 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\flathub-x86_64-36405252e76b3559815240eb6257d7a1567a734f11cc082977a9d5b276cf9f00.sub"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1184

Network

MITRE ATT&CK Enterprise v6

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
69c26295b825351baade21dca04bb806

SHA1
2d9fc4d9418d613b89c9bf85f2bed9a3704ea909

SHA256
00008f7b443ea3e030317e0d1049e4e5415b96f0edf02d488c688879e87e2ceb

SHA512
6091a944b91e22a0602091f2b225fb8d2ff2d4d7871e3b3c2b5dd1203581b483dca7634e5436c043f756dac716ea544f714d1a5441b35f639e29850fdf1c3988

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