evilnum | db5d09edc2e9676a41f26f5f4310df9d13abdae8011b1d37af7139008362d5f1

Analysis

max time kernel
134s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-08-2024 11:27

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General

Target

aad36ffbe3fc85f853751f4329a346e9_JaffaCakes118.lnk
Size

685KB
MD5

aad36ffbe3fc85f853751f4329a346e9
SHA1

fd443a1f4dfaa6ad38f0581f58ab38a0b0478770
SHA256

db5d09edc2e9676a41f26f5f4310df9d13abdae8011b1d37af7139008362d5f1
SHA512

430d00f4bc9f6fa18bd257d90deca104752c5a45fdcb4e54eb5a8d08de2daab43a205c0fea57da93fea6d444106534311f44c734f7b396c2c7ad53c74d3a11b1
SSDEEP

12288:cQiqkgLGVRivcLwOtIO1nyhuEBUdw3VTVhUnpn/oGugkCA:cdqLGnZn1NEBUdwapngfgkCA

Score

10^/10

evilnum execution 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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	cmd.exe

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 4256	1316	cmd.exe	85
PID 1316 wrote to memory of 4256	1316	cmd.exe	85
PID 4256 wrote to memory of 2764	4256	cmd.exe	86
PID 4256 wrote to memory of 2764	4256	cmd.exe	86
PID 4256 wrote to memory of 1296	4256	cmd.exe	87
PID 4256 wrote to memory of 1296	4256	cmd.exe	87
PID 4256 wrote to memory of 972	4256	cmd.exe	88
PID 4256 wrote to memory of 972	4256	cmd.exe	88

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\aad36ffbe3fc85f853751f4329a346e9_JaffaCakes118.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c path=C:\Windows\system32&move "PersonalKYC.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:4256
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\1.lnk""
    3⤵
    PID:2764
- - C:\Windows\system32\find.exe
    find "END2"
    3⤵
    PID:1296
- - C:\Windows\system32\wscript.exe
    wscript "C:\Users\Admin\AppData\Local\Temp\0.js"
    3⤵
    PID:972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

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 v15

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