74bb573f6c17a2dda72697289012e217fb8e6f202b820d676624b53b03cd0fa4

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 19:39

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General

Target

Encounter Counter/EncounterCounter.pdb
Size

14KB
MD5

314d9568b8c99f3dedf9c9333e3d76b5
SHA1

7c31d283fb585059c76035ff2b01f01d2a3b7875
SHA256

340970b85d8fcdf7f7e2e2178744af4e3c22b210e3e18462d5113f9a61760a21
SHA512

afa7588ab697c4d90b396d1d6770848eea6d1dd395a906aea8c1861f2498917c510f08c0327c3b8d7a73e870e2b7dc1b3412479550ffdae76330aa8cb4c91629
SSDEEP

384:UNTIQ+NtpCrtdtB10dapq/6PhR+6KhBicBE9a+20AuVo73HafyEVAn1wF3721cvy:K8QKfCn923QAip7xWf3

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\.pdb	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	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\Local Settings	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_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2880	AcroRd32.exe
2880	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 1500	2104	cmd.exe	31
PID 2104 wrote to memory of 1500	2104	cmd.exe	31
PID 2104 wrote to memory of 1500	2104	cmd.exe	31
PID 1500 wrote to memory of 2880	1500	rundll32.exe	33
PID 1500 wrote to memory of 2880	1500	rundll32.exe	33
PID 1500 wrote to memory of 2880	1500	rundll32.exe	33
PID 1500 wrote to memory of 2880	1500	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Encounter Counter\EncounterCounter.pdb"
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Encounter Counter\EncounterCounter.pdb
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1500
- - 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\Encounter Counter\EncounterCounter.pdb"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2880

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
c722caf7f6c83f971785edabb3bc96f0

SHA1
fb9012ad4d08e8b2149efdd0501390b1c125c738

SHA256
6b2e81786224fad7b94fb576b012e7fa0e4fcf004f8497665036f85e5aec0fdb

SHA512
3af5d510b043ea9f2c8fc527fb06f45eb94276f130b407cc900394b49c403f073d439dad092e2fa85a58011e64f0ced01aec0e764e8a817f2aec380a822d1f37

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