66262cd24479f4ad1812508bc71ddc21ea04b168ecf7ca8ca942459e1bc6b1e6

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30-08-2024 17:58

240830-wkhv3axbkh 8

30-08-2024 17:38

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30-08-2024 17:29

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Analysis

max time kernel
102s
max time network
20s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-08-2024 17:38

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General

Target

apt/sources.list.d/pop-os-release.sources
Size

138B
MD5

cd2f78afacb5f025abd9ba601afae8c9
SHA1

f1b2ce1bbfde1bca975db48a5285baa28fe9c72c
SHA256

74a1ba5f7cabe4c332b4def3af8e3640b29cab15b6ba1acd924c6aec9f40a9cb
SHA512

a701dd000277625b49e3031d8f891f71e34752a4bcb0002289fc5bebfdaa363ed49d4257999e29357cda9df50d6c1c28d8411cad58484a452103ebdf463fbce0

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.sources	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\sources_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\sources_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\sources_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\sources_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\sources_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\sources_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2257386474-3982792636-3902186748-1000_CLASSES\.sources\ = "sources_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2864	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2864	AcroRd32.exe
2864	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2084	2908	cmd.exe	30
PID 2908 wrote to memory of 2084	2908	cmd.exe	30
PID 2908 wrote to memory of 2084	2908	cmd.exe	30
PID 2084 wrote to memory of 2864	2084	rundll32.exe	31
PID 2084 wrote to memory of 2864	2084	rundll32.exe	31
PID 2084 wrote to memory of 2864	2084	rundll32.exe	31
PID 2084 wrote to memory of 2864	2084	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\apt\sources.list.d\pop-os-release.sources
1⤵
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\apt\sources.list.d\pop-os-release.sources
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2084
- - 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\apt\sources.list.d\pop-os-release.sources"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
dc8fb1ad25cfb3045e0df70899665d88

SHA1
0445491995f104c3aa668824b26f4dbac0ce094c

SHA256
deac7872322c3f4c61b12693dbab0acfcddac43e84f7c611e7a5dd0a20f48ec7

SHA512
87741cf26148f82061efec71bbcfad5ab8ce3fc0d014d365d722825665a3ee7607ea29160b2c00872ee4e5259b3903bb9f7e2508c2eb7e3e61154e236bf8eae7

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