2d090e48369efcdbebf9df5aed96857cd442509bb5f59e171f2b1b3cf1a56361

Analysis

max time kernel
77s
max time network
41s
platform
windows7_x64
resource
win7-en-20210920
submitted
03/10/2021, 07:37

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General

Target
5a0ea4aab5f283b5c7d234322e04c6ce.exe
Size 343KB
Sample211003-jft2bafba2
SHA256 2d090e48369efcdbebf9df5aed96857cd442509bb5f59e171f2b1b3cf1a56361
MD5 5a0ea4aab5f283b5c7d234322e04c6ce
SHA1 33509a78863b9bd7385054aa5bc92b8ce4f1ab5f
SHA512 8f150303c90231188c72dacb873fc5b71c42f0730f75bfe61a388457329bae8985c86b83e5088e2a6813fcda0a383fb1e96cec49b8510d1700412c585438aaec
MD5 SHA1 SHA512

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1504	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	5a0ea4aab5f283b5c7d234322e04c6ce.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5a0ea4aab5f283b5c7d234322e04c6ce.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1096	timeout.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 1504	1540	5a0ea4aab5f283b5c7d234322e04c6ce.exe	27
PID 1540 wrote to memory of 1504	1540	5a0ea4aab5f283b5c7d234322e04c6ce.exe	27
PID 1540 wrote to memory of 1504	1540	5a0ea4aab5f283b5c7d234322e04c6ce.exe	27
PID 1540 wrote to memory of 1504	1540	5a0ea4aab5f283b5c7d234322e04c6ce.exe	27
PID 1504 wrote to memory of 1096	1504	cmd.exe	29
PID 1504 wrote to memory of 1096	1504	cmd.exe	29
PID 1504 wrote to memory of 1096	1504	cmd.exe	29
PID 1504 wrote to memory of 1096	1504	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\5a0ea4aab5f283b5c7d234322e04c6ce.exe
"C:\Users\Admin\AppData\Local\Temp\5a0ea4aab5f283b5c7d234322e04c6ce.exe"
1⤵
- Checks processor information in registry
- Suspicious use of WriteProcessMemory
PID:1540
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\hycbKEYAEte & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\5a0ea4aab5f283b5c7d234322e04c6ce.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1504
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:1096

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

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Downloads

memory/1540-54-0x0000000075A71000-0x0000000075A73000-memory.dmp

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memory/1540-55-0x0000000000220000-0x0000000000266000-memory.dmp

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memory/1540-56-0x0000000000400000-0x0000000000885000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads