evilnum | f5f79e2169db3bbe7b7ae3ff4a0f40659d11051e69ee784f5469659a708e829e

Analysis

max time kernel
135s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-08-2024 20:00

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General

Target

cb908352d719b9e0a7142c4110ae502e_JaffaCakes118.lnk
Size

938KB
MD5

cb908352d719b9e0a7142c4110ae502e
SHA1

e50a8c33b315517a4bad5eb35fb09e572c3ee9fa
SHA256

f5f79e2169db3bbe7b7ae3ff4a0f40659d11051e69ee784f5469659a708e829e
SHA512

9502d7c069532571277e3c8c849e9ce81130a11bf5ad892dad688aa9e53973abc76fb5b53aee72ca37fe29e50aa2543f2681a6d849ada59b9e07ff6e3b574909
SSDEEP

12288:HZ3Si/5CQsdRgvhS+u1vBcxqDE/4QiqkgLGVRivcLwOtIO1nKnVn/oGugLF3:53D5C5LgvMr1mx8y4dqLGnZn12Vngfg9

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-1-5-21-786284298-625481688-3210388970-1000\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 2256 wrote to memory of 3324	2256	cmd.exe	85
PID 2256 wrote to memory of 3324	2256	cmd.exe	85
PID 3324 wrote to memory of 4436	3324	cmd.exe	86
PID 3324 wrote to memory of 4436	3324	cmd.exe	86
PID 3324 wrote to memory of 4728	3324	cmd.exe	87
PID 3324 wrote to memory of 4728	3324	cmd.exe	87
PID 3324 wrote to memory of 4828	3324	cmd.exe	88
PID 3324 wrote to memory of 4828	3324	cmd.exe	88

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\cb908352d719b9e0a7142c4110ae502e_JaffaCakes118.lnk
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2256
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c path=C:\Windows\system32&move "VerificationDocuments.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:3324
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\1.lnk""
    3⤵
    PID:4436
- - C:\Windows\system32\find.exe
    find "END2"
    3⤵
    PID:4728
- - C:\Windows\system32\wscript.exe
    wscript "C:\Users\Admin\AppData\Local\Temp\0.js"
    3⤵
    PID:4828

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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