egregor | 30947eb0e32891e8399806e6ecd41e1c3fc89d3db23b9ced6301a2d78aa275a0

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25/03/2025, 16:42

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General

Target

3b13b6f1d7cd14dc4a097a12e2e505c0a4cff495262261e2bfc991df238b9b04.dll
Size

781KB
MD5

56a6ffe6a02941028cc8235204eef31d
SHA1

5d30c56e46d627a0ac97097faa0eed6346b5d104
SHA256

3b13b6f1d7cd14dc4a097a12e2e505c0a4cff495262261e2bfc991df238b9b04
SHA512

83ba076efd48bbe7d90479a05f16ebccbee4e8574a18f2e215b598d1bd51b0f05329e4b5a247099859c77e79c019ac6cf3dad63159ddd3c284280e41ebebe8d5
SSDEEP

12288:eTouwVL81LNdljx5t6nPGebJeTzVA7lOnVhNU:codKjx5i7dOH

Score

10^/10

egregor discovery ransomware

Malware Config

Signatures

Egregor Ransomware
Variant of the Sekhmet ransomware first seen in September 2020.
ransomware egregor
Egregor family
egregor

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	regsvr32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 1948	2088	regsvr32.exe	30
PID 2088 wrote to memory of 1948	2088	regsvr32.exe	30
PID 2088 wrote to memory of 1948	2088	regsvr32.exe	30
PID 2088 wrote to memory of 1948	2088	regsvr32.exe	30
PID 2088 wrote to memory of 1948	2088	regsvr32.exe	30
PID 2088 wrote to memory of 1948	2088	regsvr32.exe	30
PID 2088 wrote to memory of 1948	2088	regsvr32.exe	30

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3b13b6f1d7cd14dc4a097a12e2e505c0a4cff495262261e2bfc991df238b9b04.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\3b13b6f1d7cd14dc4a097a12e2e505c0a4cff495262261e2bfc991df238b9b04.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1948

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

Replay Monitor

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Downloads

memory/1948-0-0x00000000004D0000-0x000000000050F000-memory.dmp

Filesize
252KB

Download
memory/1948-8-0x00000000004D0000-0x000000000050F000-memory.dmp

Filesize
252KB

Download