evilnum | 3b7cd07e87902deae4b482e987dea9e25a93a55ec783884e8b466dc55c346bce

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/07/2024, 13:41

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General

Target

6363ddf8a20345c0201868b209afbd63_JaffaCakes118.lnk
Size

685KB
MD5

6363ddf8a20345c0201868b209afbd63
SHA1

941727ee9620624f595175468c27f863e3c2bc4a
SHA256

3b7cd07e87902deae4b482e987dea9e25a93a55ec783884e8b466dc55c346bce
SHA512

f885eb46111da748b28b6a78d8e59e8e4f614e66e2e051e7a04d2d857c41513fdf68db77e2ee5319195389d6bd17e08fe5a2b159312e6deff5d157edfe8b2fe4
SSDEEP

12288:TQiqkgLGVRivcLwOtIO1nyhuEBUdw3VTVhUn5n/oGugyJ3Yql:TdqLGnZn1NEBUdwa5ngfg4j

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 2972 wrote to memory of 2084	2972	cmd.exe	31
PID 2972 wrote to memory of 2084	2972	cmd.exe	31
PID 2972 wrote to memory of 2084	2972	cmd.exe	31
PID 2084 wrote to memory of 2408	2084	cmd.exe	32
PID 2084 wrote to memory of 2408	2084	cmd.exe	32
PID 2084 wrote to memory of 2408	2084	cmd.exe	32
PID 2084 wrote to memory of 2280	2084	cmd.exe	33
PID 2084 wrote to memory of 2280	2084	cmd.exe	33
PID 2084 wrote to memory of 2280	2084	cmd.exe	33
PID 2084 wrote to memory of 2180	2084	cmd.exe	34
PID 2084 wrote to memory of 2180	2084	cmd.exe	34
PID 2084 wrote to memory of 2180	2084	cmd.exe	34

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\6363ddf8a20345c0201868b209afbd63_JaffaCakes118.lnk
1⤵
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c path=C:\Windows\system32&move "compliance-docpack.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:2084
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" type "C:\Users\Admin\AppData\Local\Temp\1.lnk""
    3⤵
    PID:2408
- - C:\Windows\system32\find.exe
    find "END2"
    3⤵
    PID:2280
- - C:\Windows\system32\wscript.exe
    wscript "C:\Users\Admin\AppData\Local\Temp\0.js"
    3⤵
    PID:2180

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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