evilnum | 3c68fd735f165dfed20be28518aa425e8537a84b93a84d85d501e6d9b8f3417d

Analysis

max time kernel
130s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-05-2022 13:59

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General

Target

3c68fd735f165dfed20be28518aa425e8537a84b93a84d85d501e6d9b8f3417d.lnk
Size

2KB
MD5

5cfc2d030aaf562aa03237f52ba7115a
SHA1

f37eaea4dba612c383e582a73010ac4028499f11
SHA256

3c68fd735f165dfed20be28518aa425e8537a84b93a84d85d501e6d9b8f3417d
SHA512

22b6c93e31f89efb7384e8c8fad23b037286b3b72b92ba7aeeb19b29a8d27743f46d465d433663c18d0aac861eaced58dbfc8268f0d02a279f99c998483278ab

Score

10^/10

evilnum trojan

Malware Config

Signatures

Evilnum
A malware family with multiple components distributed through LNK files.
trojan evilnum

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	cmd.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 740	4188	cmd.exe	81
PID 4188 wrote to memory of 740	4188	cmd.exe	81
PID 740 wrote to memory of 1816	740	cmd.exe	82
PID 740 wrote to memory of 1816	740	cmd.exe	82
PID 740 wrote to memory of 3152	740	cmd.exe	83
PID 740 wrote to memory of 3152	740	cmd.exe	83
PID 740 wrote to memory of 1548	740	cmd.exe	84
PID 740 wrote to memory of 1548	740	cmd.exe	84

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\3c68fd735f165dfed20be28518aa425e8537a84b93a84d85d501e6d9b8f3417d.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4188
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c path=C:\Windows\system32&move "KYC Documenten.pdf.lnk " "C:\Users\Admin\AppData\Local\Temp\1.lnk"&type "C:\Users\Admin\AppData\Local\Temp\1.lnk"|find "END2">"C:\Users\Admin\AppData\Local\Temp\0.js"&wscript "C:\Users\Admin\AppData\Local\Temp\0.js"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:740
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\1.lnk""
    3⤵
    PID:1816
- - C:\Windows\system32\find.exe
    find "END2"
    3⤵
    PID:3152
- - C:\Windows\system32\wscript.exe
    wscript "C:\Users\Admin\AppData\Local\Temp\0.js"
    3⤵
    PID:1548

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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