c05f8e1cc08e6fa7a21a5042d063d6e2d7569129db332491312b01b12aca037c

Analysis

max time kernel
56s
max time network
46s
platform
windows7_x64
resource
win7-20220414-en
submitted
22-04-2022 07:23

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General

Target

PDF - SansAmi (docus français ).rar
Size

95.9MB
MD5

7ae2c12dd9e1c0978b46269dfc8420c0
SHA1

44b31dbb921022ca38e174ec6a7da8664a3e654e
SHA256

c05f8e1cc08e6fa7a21a5042d063d6e2d7569129db332491312b01b12aca037c
SHA512

9c447fdfba0be77ec57f06f27c389b096b1e4d9994a2d2fc9ea7ea9b10e02c2e36fc9ce11abb6025217e477b715d08156bfdecb0d49f283aa6a0411f90edebe9

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 2 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 1016 wrote to memory of 952	1016	cmd.exe	rundll32.exe
PID 1016 wrote to memory of 952	1016	cmd.exe	rundll32.exe
PID 1016 wrote to memory of 952	1016	cmd.exe	rundll32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\PDF - SansAmi (docus français ).rar"
1⤵
- Suspicious use of WriteProcessMemory
PID:1016

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\PDF - SansAmi (docus français ).rar
2⤵
- Modifies registry class
PID:952

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/952-76-0x0000000000000000-mapping.dmp

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memory/1016-54-0x000007FEFB7B1000-0x000007FEFB7B3000-memory.dmp

Filesize
8KB

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