819eab9afaca5601ffd83c85a7edd6cd1899e6b431ab8e901a385065912adeb1

Resubmissions

28-02-2022 15:41

220228-s4qs8seeg3 10

12-06-2021 09:55

210612-f7rmdwaays 10

12-06-2021 09:51

210612-kcegep1ef2 7

Analysis

max time kernel
299s
max time network
292s
platform
windows7_x64
resource
win7v20210410
submitted
12-06-2021 09:55

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Report Analysis Logs

General

Target

installer.run
Size

99KB
MD5

d4b45f4ab1ec5616026e8fbed2431be8
SHA1

28ecd4944f37bb8f9b7dfd1d486f7c9c027166d0
SHA256

819eab9afaca5601ffd83c85a7edd6cd1899e6b431ab8e901a385065912adeb1
SHA512

2026b561dce762930e3c6a7179d509efb7be482281111f65461328ed6da5c04e1bb7a7bf3f5cd883920a2cdd50e5c72b1c500d6f4963174792f0c183070b0771

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\run_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\run_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\.run	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\.run\ = "run_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\run_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\run_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\run_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000_CLASSES\run_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
1460	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1460	AcroRd32.exe
1460	AcroRd32.exe
1460	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 1156	792	cmd.exe	27
PID 792 wrote to memory of 1156	792	cmd.exe	27
PID 792 wrote to memory of 1156	792	cmd.exe	27
PID 1156 wrote to memory of 1460	1156	rundll32.exe	31
PID 1156 wrote to memory of 1460	1156	rundll32.exe	31
PID 1156 wrote to memory of 1460	1156	rundll32.exe	31
PID 1156 wrote to memory of 1460	1156	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\installer.run
1⤵
- Suspicious use of WriteProcessMemory
PID:792
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\installer.run
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1156
- - 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\installer.run"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1460

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

Replay Monitor

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Downloads

memory/792-59-0x000007FEFBF11000-0x000007FEFBF13000-memory.dmp

Filesize
8KB

Download
memory/1460-63-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download