d880aba42c6dc89816450a143f746ddb56ff00faa9241e12af20e6e966c02f00

Resubmissions

02/08/2024, 15:24

240802-ss5g9azarq 1

02/08/2024, 15:20

240802-sq7vlazakn 4

02/08/2024, 15:19

240802-sp5nvatglh 1

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 15:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

shaderFile_B.placebo
Size

122B
MD5

4cb5baf13b4edeb98fbcb86939b5f6de
SHA1

b5c53ec667e4e4c5ceae3d78b2da97ed3a547884
SHA256

d6a249c4b0aeaed80079877cb6ddc87bba112d6528d84a59504075d59be5a03e
SHA512

27de62cfb15c390d02ef87371c0c5b34b6207923380f558589d0c76d6886adf7cb7c4119617a8c2e710b6b26fbd6b2a048adcddf34cea469db4be576b95a884e

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-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\placebo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\placebo_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.placebo	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\placebo_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\placebo_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\.placebo\ = "placebo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\placebo_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\placebo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2620	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2620	AcroRd32.exe
2620	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2780 wrote to memory of 2728	2780	cmd.exe	31
PID 2780 wrote to memory of 2728	2780	cmd.exe	31
PID 2780 wrote to memory of 2728	2780	cmd.exe	31
PID 2728 wrote to memory of 2620	2728	rundll32.exe	32
PID 2728 wrote to memory of 2620	2728	rundll32.exe	32
PID 2728 wrote to memory of 2620	2728	rundll32.exe	32
PID 2728 wrote to memory of 2620	2728	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\shaderFile_B.placebo
1⤵
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\shaderFile_B.placebo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2728
- - 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\shaderFile_B.placebo"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2620

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
75c31e845c5c58ceafb3248db80646a3

SHA1
b5fab028342b6c4cb9e2403cbdea4376984f4025

SHA256
92221e81a10913543265379cc713d2570e60a900741d2166568fa2884ff47f00

SHA512
c113015b070cdcab841ed973d7fb08217d64c60f43c835df2a7135f5a71930062e25944e7182e45ee6311d61a08fdca22639b6adeb03baad328add375802dcbd

Download Submit