30091faafd62ea7ba9868db2ee575dab98fd126a78d39590f57ea7b38b20d966

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-08-2024 12:03

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General

Target

snapshot_blob.bin
Size

298KB
MD5

cadef56f5fb216b1fbf7ada1f894ea6d
SHA1

373d2a4266be5c8fbf61d4363ec47ddeb2d79253
SHA256

0976145cc8c02f3e64ddbf51dc983bdbb456be7fcf3ce54608e218981671ac12
SHA512

9c90e8943f9ef6d644fe0fbe55ab25ed371739d17da8cf973893a2e41ebfa0a92bcf1761e72da032f9f3d1c6f1080c62f856aa07a3cbb609c9e8c186f92216b6
SSDEEP

6144:vgds9oCMz0nMGo/sPT5UcQD6QynHQx9x+zi8W8icW0K8w+E2XxkBOoT8MfFNdpO1:vgF+LUYTWf8

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-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\bin_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\bin_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\bin_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\bin_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.bin	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\.bin\ = "bin_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\bin_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000_CLASSES\bin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2776	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2776	AcroRd32.exe
2776	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 2672	3040	cmd.exe	32
PID 3040 wrote to memory of 2672	3040	cmd.exe	32
PID 3040 wrote to memory of 2672	3040	cmd.exe	32
PID 2672 wrote to memory of 2776	2672	rundll32.exe	33
PID 2672 wrote to memory of 2776	2672	rundll32.exe	33
PID 2672 wrote to memory of 2776	2672	rundll32.exe	33
PID 2672 wrote to memory of 2776	2672	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\snapshot_blob.bin
1⤵
- Suspicious use of WriteProcessMemory
PID:3040
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\snapshot_blob.bin
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2672
- - 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\snapshot_blob.bin"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2776

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
b258d1bd24c7e54fb6624d11378ab923

SHA1
0f1c406ef504b5af6642514bf3992853d912e4a1

SHA256
85b495a57ea6da74a7396cc8ea68cb4b7472975669652bb8d05b3a3bc4c6a0d6

SHA512
f86bfabb63cdd22694d2f013c3bbae4b55a7e8affed36884ffd4d700b887fc1a5e4cea4005ce6aaafdb9eca9077d7ed3a6361de0e43be5cdfeab81175be28899

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