39508b75635805ff4fa5eaf8c7aa926529b66ae52f08460d41d8d960e75385e3

Resubmissions

11-09-2024 08:55

240911-kvr1yasgla 10

11-09-2024 08:53

240911-ktswva1hpj 10

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-09-2024 08:55

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General

Target

tool/Armdot Deobf.pdb
Size

41KB
MD5

b3adcf27f70b57983d9ccfe60c923e3a
SHA1

bb238b90a2e7e622c3a8cc5ed13172e94d2dec22
SHA256

28c32f5e535c16ce7ed99c3babb326ce1747200510ef5f0da60f1f6579120cdf
SHA512

3d12aef199183732d609e6ae11d736e7ac9c73808ff710d08be6ca9c9e2b73c6eaf80888750a0432fecf399bc0553d3be75752710fc26bfbaf2be2343dd8fd81
SSDEEP

384:iul+Ql+mIJd204EybE07ScnWLKy2GG7oY44410IJd2/74:iul+Ql+mIJd20OAG5c0IJd2/7

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-1-5-21-312935884-697965778-3955649944-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pdb_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pdb_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.pdb\ = "pdb_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pdb_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pdb_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pdb_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\pdb_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000_CLASSES\.pdb	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2604	AcroRd32.exe
2604	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2856	2688	cmd.exe	32
PID 2688 wrote to memory of 2856	2688	cmd.exe	32
PID 2688 wrote to memory of 2856	2688	cmd.exe	32
PID 2856 wrote to memory of 2604	2856	rundll32.exe	33
PID 2856 wrote to memory of 2604	2856	rundll32.exe	33
PID 2856 wrote to memory of 2604	2856	rundll32.exe	33
PID 2856 wrote to memory of 2604	2856	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\tool\Armdot Deobf.pdb"
1⤵
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\tool\Armdot Deobf.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2856
- - 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\tool\Armdot Deobf.pdb"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2604

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
4911afc06db8188dd7a08df89712fef1

SHA1
be9c7499fd434f054bfa4eee4ffa1eb64fd64c5e

SHA256
c8eb45f73d9812a65cf31a9f5609d07663b6f0ebea35b022c55f63c5f8f79632

SHA512
73d7ece203939ddd5095e08dcca71d60a3be16295ae6917897b50c9203091d2faea3f374301b00e0fce4aa64721b1c3fc6b932c081fbf4c4b4bff3bf2f480ed2

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