e0ac801cd6a24463a465e37e6157052d6be89341d04b4992c7a0fc2d47654efc

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/03/2025, 21:35

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General

Target

2025-03-21_7fd1b5da89f069fb894bbe17db51de6c_cobalt-strike_nefilim.exe
Size

17KB
MD5

7fd1b5da89f069fb894bbe17db51de6c
SHA1

32f0d294a436f8ba8bc0507beed84ed63389f5fb
SHA256

e0ac801cd6a24463a465e37e6157052d6be89341d04b4992c7a0fc2d47654efc
SHA512

43b8ba972e75066691f853adcf0e457c85a7cf914c749d82a3c7165d50ce7c6a7a04bf691639df4579e919876c79cc11c198ea1d708d3b401df16210ed5a3d79
SSDEEP

384:dXMTdRam+CzPnvvLjjXbee9hNBxNIUfNsJwaYmfWmoJMnCPXLvdm5+nIQVJ5x5GO:dXzahsDem9GxmOVAs

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2848	2196	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-21_7fd1b5da89f069fb894bbe17db51de6c_cobalt-strike_nefilim.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2848	2196	2025-03-21_7fd1b5da89f069fb894bbe17db51de6c_cobalt-strike_nefilim.exe	30
PID 2196 wrote to memory of 2848	2196	2025-03-21_7fd1b5da89f069fb894bbe17db51de6c_cobalt-strike_nefilim.exe	30
PID 2196 wrote to memory of 2848	2196	2025-03-21_7fd1b5da89f069fb894bbe17db51de6c_cobalt-strike_nefilim.exe	30
PID 2196 wrote to memory of 2848	2196	2025-03-21_7fd1b5da89f069fb894bbe17db51de6c_cobalt-strike_nefilim.exe	30

C:\Users\Admin\AppData\Local\Temp\2025-03-21_7fd1b5da89f069fb894bbe17db51de6c_cobalt-strike_nefilim.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-21_7fd1b5da89f069fb894bbe17db51de6c_cobalt-strike_nefilim.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 36
  2⤵
  - Program crash
  PID:2848

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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