e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04-02-2024 12:56

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General

Target

scph39001.mec
Size

4B
MD5

3faf7c064a4984f53e2ef5e80ed543bc
SHA1

3f8affbe07024ccd2f5b8374072d0928c583a862
SHA256

fbbfc6c156266ac7e9afb37f0cc53fb78fadf2f09f580e56b2da57e6539e463b
SHA512

d19a596c9b64033e2735ac7138771d53d02625849a58d88db75d7afcce410f756f4c5e33a61f939e09701fa2b6a7c2a7b3dccdef6843e03b4b9136b71e41bf17

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\mec_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.mec\ = "mec_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\mec_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\mec_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\mec_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\mec_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\.mec	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000_CLASSES\mec_auto_file\shell\Read	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2716	AcroRd32.exe
2716	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2776	1740	cmd.exe	29
PID 1740 wrote to memory of 2776	1740	cmd.exe	29
PID 1740 wrote to memory of 2776	1740	cmd.exe	29
PID 2776 wrote to memory of 2716	2776	rundll32.exe	30
PID 2776 wrote to memory of 2716	2776	rundll32.exe	30
PID 2776 wrote to memory of 2716	2776	rundll32.exe	30
PID 2776 wrote to memory of 2716	2776	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\scph39001.mec
1⤵
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\scph39001.mec
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2776
- - 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\scph39001.mec"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2716

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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

Filesize
3KB

MD5
42d861a00390a468802fad641760f9ea

SHA1
2b72cd174faf64d947f9990da9a6aab4e986d678

SHA256
1288aba9dae6dcdd9478ffdd89cdca6034820511dd6f5c16177db5f8d0d32747

SHA512
8b06c22c7192c5342c70ee7f8aabf94bbd29bb93dd89ba6b2cdde17ca5d74926944b8cc9e3ef22065d519dddc0789762fae5b41b923f19cbae3a1b0255d21984

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