35e0d3182135e776621d44e3f04941c7bddaf637c6921d1649180b5bff2de570

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
05-08-2024 07:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

MalwareBazaar.1
Size

673KB
MD5

cf5840b6219746c0393c308177130ffb
SHA1

bb0986993425ee5fe6b4f872ca36875b932519b8
SHA256

35e0d3182135e776621d44e3f04941c7bddaf637c6921d1649180b5bff2de570
SHA512

8a69934f211fde4b09e90d634bee04dbad2ed563379a18b152dd7ae1f5fb5443606d142d5fae4aa8a64c779b41b1760cc2a238bac3a4a013b3d9875185caa7cd
SSDEEP

12288:M3KJ32kGxfigTxNg3M4kYY3fo9MTezvmiEyXwCrKTY9f9KCz5sDF/sF28DU1ekRf:MiGkg4c4kfgSCUMYYWF/386xRf

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-1-5-21-1385883288-3042840365-2734249351-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\1_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.1\ = "1_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\1_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\1_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\1_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\.1	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\1_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000_CLASSES\1_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2896	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2896	AcroRd32.exe
2896	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2932	1984	cmd.exe	31
PID 1984 wrote to memory of 2932	1984	cmd.exe	31
PID 1984 wrote to memory of 2932	1984	cmd.exe	31
PID 2932 wrote to memory of 2896	2932	rundll32.exe	32
PID 2932 wrote to memory of 2896	2932	rundll32.exe	32
PID 2932 wrote to memory of 2896	2932	rundll32.exe	32
PID 2932 wrote to memory of 2896	2932	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.1
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\MalwareBazaar.1
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2932
- - 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\MalwareBazaar.1"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2896

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
4a9177fb2eb1b09548fc734c0d2fe963

SHA1
cc32d1f7d234071fb765fcff7885246c4d3e4eb5

SHA256
8ffb0f05c3eae162bce3fecbe18be56a13b57b56c33bd9109c73879578c403d6

SHA512
60e4bfd30ae6cf79d176ae984f96a5ee71ebcb397ae1c35b418a57fcbcde4997cf430604bd09654d02ad12cb29ca677a502b6096ced0de2692fecf6fd63778f6

Download Submit