7231520b32ae609bd02ba7ca3b7b3617296925c25b499f984c3fe4b41fc3e241

Resubmissions

08/09/2024, 17:19

240908-vvs84sxgkr 10

08/09/2024, 11:26

240908-nj75kawapb 10

Analysis

max time kernel
102s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08/09/2024, 17:19

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General

Target

misc.pyc
Size

4KB
MD5

3af0657bf4d2cdcd8e84aeee71be06f7
SHA1

bd28a025931e96da24c9818e1a1648d2ce7f5212
SHA256

83bbb656424fab009b612232bab4970a8bd49c944285975babb3de8f99db9da6
SHA512

a402b759e427ed78e55650b9188772916787a1734f5dd5a5782d98228c7c9da11057627bcad29aa94139a9c20b1c4ca2e8c92983b38384245855f6da3369dace
SSDEEP

96:ySMlhlvyz7DweHPF8+VB7sHIZGQSWfvmyyZ1k9qHub:Lolvyzgevq+VBXZGQlvmV1kkHub

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-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2788	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2788	AcroRd32.exe
2788	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 2416	848	cmd.exe	29
PID 848 wrote to memory of 2416	848	cmd.exe	29
PID 848 wrote to memory of 2416	848	cmd.exe	29
PID 2416 wrote to memory of 2788	2416	rundll32.exe	30
PID 2416 wrote to memory of 2788	2416	rundll32.exe	30
PID 2416 wrote to memory of 2788	2416	rundll32.exe	30
PID 2416 wrote to memory of 2788	2416	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\misc.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:848
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\misc.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2416
- - 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\misc.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2788

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
85ace30c9c21a36706b5d7d0d4f3c2f0

SHA1
db99ec8b749992669d4e875417f765ee63a996a7

SHA256
a42e06a93d75b7196be5de5c830b095c344df637a36e35fad7317f571150e160

SHA512
9f072bc7c399694044bbdae12b1e4f7ed697e235987546af6509039beab9684ddcb2f0dea174607351218635605c2595c51aca817333e370c496be8fb13e6330

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