6f9ceec310ada7c427dd089f4bfc0016974a0e07faccb8d7dce51eb33a0210e4

Resubmissions

14-09-2021 08:51

210914-ksanwaaddn 10

13-09-2021 13:58

210913-q947psdgf5 10

Analysis

max time kernel
283s
max time network
285s
platform
windows7_x64
resource
win7-en
submitted
14-09-2021 08:51

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General

Target

mixshop_20210913-152925.exe
Size

302KB
MD5

2562972dd8803380fc754bd9eb897342
SHA1

3f3460ca64a8ff5f67639a9d153fcbde2ada63c0
SHA256

6f9ceec310ada7c427dd089f4bfc0016974a0e07faccb8d7dce51eb33a0210e4
SHA512

9599f56d90627e33893f61a5385b87b1045b004100f5920624388f48cbe60140a41bdad0b88dd971b2e67dd06854519faf5d2a88a474157ddd9fcce86b721b35

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
820	cmd.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	mixshop_20210913-152925.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	mixshop_20210913-152925.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1680	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 820	1636	mixshop_20210913-152925.exe	29
PID 1636 wrote to memory of 820	1636	mixshop_20210913-152925.exe	29
PID 1636 wrote to memory of 820	1636	mixshop_20210913-152925.exe	29
PID 1636 wrote to memory of 820	1636	mixshop_20210913-152925.exe	29
PID 820 wrote to memory of 1680	820	cmd.exe	31
PID 820 wrote to memory of 1680	820	cmd.exe	31
PID 820 wrote to memory of 1680	820	cmd.exe	31
PID 820 wrote to memory of 1680	820	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\mixshop_20210913-152925.exe
"C:\Users\Admin\AppData\Local\Temp\mixshop_20210913-152925.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\buogCFjIih & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\mixshop_20210913-152925.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:820
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:1680

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1636-53-0x0000000076161000-0x0000000076163000-memory.dmp

Filesize
8KB

Download
memory/1636-54-0x0000000000220000-0x0000000000266000-memory.dmp

Filesize
280KB

Download
memory/1636-55-0x0000000000400000-0x000000000216A000-memory.dmp

Filesize
29.4MB

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