egregor | 967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee | Triage

Analysis

max time kernel
131s
max time network
164s
platform
windows7_x64
resource
win7v20210408
submitted
26-07-2021 12:40

Sharing

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General

Target

967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee.sample.dll
Size

705KB
MD5

627c2219a80245a25e4fe9843ac2a021
SHA1

e0caae0804957c5e31c53dd320ca83a5465169c9
SHA256

967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee
SHA512

e49ed8da6427b147c4ead9aaf26908e80821ba3cd306cf9d593791fd59f0d74e2514ee5e1db89c34aa87e1598ea8926106113a8e3f50bf14c039901c3f455ce6

Score

10^/10

egregor ransomware

Malware Config

Signatures

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

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

regsvr32.exe

description	pid	process	target process
PID 2044 wrote to memory of 1248	2044	regsvr32.exe	regsvr32.exe
PID 2044 wrote to memory of 1248	2044	regsvr32.exe	regsvr32.exe
PID 2044 wrote to memory of 1248	2044	regsvr32.exe	regsvr32.exe
PID 2044 wrote to memory of 1248	2044	regsvr32.exe	regsvr32.exe
PID 2044 wrote to memory of 1248	2044	regsvr32.exe	regsvr32.exe
PID 2044 wrote to memory of 1248	2044	regsvr32.exe	regsvr32.exe
PID 2044 wrote to memory of 1248	2044	regsvr32.exe	regsvr32.exe

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee.sample.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\SysWOW64\regsvr32.exe
/s C:\Users\Admin\AppData\Local\Temp\967422de1acc14deb7e7ce803d86aff44e2652bfcd550e3a34c2e37abc883dee.sample.dll
2⤵
PID:1248

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1248-61-0x0000000000000000-mapping.dmp

Download
memory/1248-62-0x0000000076691000-0x0000000076693000-memory.dmp

Filesize
8KB

Download
memory/2044-60-0x000007FEFBFB1000-0x000007FEFBFB3000-memory.dmp

Filesize
8KB

Download