97407f534fdc551ed2b568c7bf7b6df69c984fda5c03c518499fee4af7f6bbc2

Analysis

max time kernel
302s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
12/06/2023, 02:26

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General

Target

bicon.dat
Size

1.3MB
MD5

dcabb43f7ad8e863d01889a467640f54
SHA1

0c96af14a96218dd4f4168bdb32c20636b0af9c9
SHA256

8d423b98d23200e98bb1a8671373d7d8b196c75af4a64fc5102aee22a01af892
SHA512

145d26731b20c82d3001936d9e6e8eefebf484478aabb51df5d1cca451e51306567424f56e6177eb83c202054eaa8da88d466792c1e26bb46ea0a10dd4a46753
SSDEEP

24576:TthufZchiYwIApEy3N2P/XipNOPNED127Evi5ayuTSvS6vDVQYCi3S0RM:DsZF7Ey3Y3XSNONER27E+vRjCNgM

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\dat_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.dat	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1914912747-3343861975-731272777-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
240	AcroRd32.exe
240	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1292 wrote to memory of 1016	1292	cmd.exe	28
PID 1292 wrote to memory of 1016	1292	cmd.exe	28
PID 1292 wrote to memory of 1016	1292	cmd.exe	28
PID 1016 wrote to memory of 240	1016	rundll32.exe	29
PID 1016 wrote to memory of 240	1016	rundll32.exe	29
PID 1016 wrote to memory of 240	1016	rundll32.exe	29
PID 1016 wrote to memory of 240	1016	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\bicon.dat
1⤵
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\bicon.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1016
- - 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\bicon.dat"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:240

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

Windows 7 deprecation

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