e5b98f79e84d434b44fe4dab6b0e7823772d32744249a8fb9fb2288d0b354b21

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20231130-en
resource tags

arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system
submitted
07-12-2023 16:09

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General

Target

PS2 Bios 30004R V6 Pal.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
Key created	\REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000_CLASSES\mec_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000_CLASSES\.mec	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000_CLASSES\.mec\ = "mec_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000_CLASSES\mec_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000_CLASSES\mec_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000_CLASSES\mec_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000_CLASSES\mec_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000_CLASSES\mec_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
2852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2852	AcroRd32.exe
2852	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1640	2220	cmd.exe	29
PID 2220 wrote to memory of 1640	2220	cmd.exe	29
PID 2220 wrote to memory of 1640	2220	cmd.exe	29
PID 1640 wrote to memory of 2852	1640	rundll32.exe	30
PID 1640 wrote to memory of 2852	1640	rundll32.exe	30
PID 1640 wrote to memory of 2852	1640	rundll32.exe	30
PID 1640 wrote to memory of 2852	1640	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\PS2 Bios 30004R V6 Pal.mec"
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\PS2 Bios 30004R V6 Pal.mec
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1640
- - 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\PS2 Bios 30004R V6 Pal.mec"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2852

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
0cb6123280b83c7b3fdb5a9c05a91cd3

SHA1
cc3168a3c9bfa3e31fe19ac8a5bda908e0760189

SHA256
211baaa21fb8a2270ccd087410c2d41d6829ca3ce661fcb0a93eba5afa0c1e55

SHA512
3d7547045a9ea1f1c85f06443507c16ec1c43ff641b1be9450c743e12945375c75d1a347a06c4f94a2cb191ec2054cbfe8d4b8df609115b4fae84852daa66af4

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