829da96f3749a0a174b525c353de071ee8bae67655608a61a8bf83f06d791af4

Analysis

max time kernel
151s
max time network
47s
platform
windows7_x64
resource
win7-20220414-en
submitted
28/06/2022, 20:44

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General

Target

sec.rsp
Size

14B
MD5

178205c1d8cc39f1e6a76bf86d791dc8
SHA1

215b7894b9680f604802b65381c58848ef3f17f5
SHA256

0f1419dcae5228bbe4f9305d5b265478ef5c618adc41540a637e08eb25f66429
SHA512

1dc4edb8c1467d5de639d9f5afaee1bec19edfab83f6d307cdbcb3870c22276029c92f06cb2bdefa1dab04c6f9009e5cc998cc009b68707ec92e59cd311eda78

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-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.rsp\ = "rsp_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\rsp_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.rsp	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1884	AcroRd32.exe
1884	AcroRd32.exe
1884	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 2040	1068	cmd.exe	29
PID 1068 wrote to memory of 2040	1068	cmd.exe	29
PID 1068 wrote to memory of 2040	1068	cmd.exe	29
PID 2040 wrote to memory of 1884	2040	rundll32.exe	30
PID 2040 wrote to memory of 1884	2040	rundll32.exe	30
PID 2040 wrote to memory of 1884	2040	rundll32.exe	30
PID 2040 wrote to memory of 1884	2040	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\sec.rsp
1⤵
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\sec.rsp
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2040
- - 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\sec.rsp"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1884

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

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Downloads

memory/1068-54-0x000007FEFB611000-0x000007FEFB613000-memory.dmp

Filesize
8KB

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memory/1884-82-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

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