103c3abcc8da3547fcfa7c421eba13330df833fce162a9e2cc1abe66fad13042

Analysis

max time kernel
103s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 01:33

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General

Target

9869cd31d02c3aa087864af6d657c266977210ed24c4f9b9bdcae4fb94013035.unknown
Size

24KB
MD5

a96610c81f16c3a0d9aa521b6f0704a1
SHA1

9d2aa80bf8a1c8289f7e7e33338f6b1d17b9c5cf
SHA256

9869cd31d02c3aa087864af6d657c266977210ed24c4f9b9bdcae4fb94013035
SHA512

e8d0679655d85f10cf00f00e59fd3dae9705a2c5ec1dc41ba8f6bb7c38e667746750775f9f0127de4a00f11b073f6f3d3e8f6b77f81ab9fdd475a11e6af50fcf
SSDEEP

192:r8oK3rcd5kM7ffi4UMF1pkOvpF3EiRcx+NSzfxmrmE76tNY2pCumJ0pQrXVjavmn:gGekfnVxVNOmrmEu3YcrmSpC1n

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
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\unknown_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.unknown\ = "unknown_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\unknown_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\unknown_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\unknown_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\.unknown	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\unknown_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_CLASSES\unknown_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2664	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2664	AcroRd32.exe
2664	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1424 wrote to memory of 2780	1424	cmd.exe	30
PID 1424 wrote to memory of 2780	1424	cmd.exe	30
PID 1424 wrote to memory of 2780	1424	cmd.exe	30
PID 2780 wrote to memory of 2664	2780	rundll32.exe	31
PID 2780 wrote to memory of 2664	2780	rundll32.exe	31
PID 2780 wrote to memory of 2664	2780	rundll32.exe	31
PID 2780 wrote to memory of 2664	2780	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\9869cd31d02c3aa087864af6d657c266977210ed24c4f9b9bdcae4fb94013035.unknown
1⤵
- Suspicious use of WriteProcessMemory
PID:1424
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\9869cd31d02c3aa087864af6d657c266977210ed24c4f9b9bdcae4fb94013035.unknown
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2780
- - 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\9869cd31d02c3aa087864af6d657c266977210ed24c4f9b9bdcae4fb94013035.unknown"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2664

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
976eac04e6218517413a99dad417beed

SHA1
dd780673bef4de1468bf121acd77724c3ea08b78

SHA256
6b86db91c590c63781fba05fd1c2a9f2d058c9368fa59fd9a9054ec5b951d158

SHA512
aa905ac83a5d9bc352f0797583985bdac7d354eb17eba2de4d7f791964af1dfeec89ba3f53b5cf4c71ea6538bc1822e50e66c13bb1ffac9c8f6ba442c38eefe7

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