renamer | 949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963

Analysis

max time kernel
77s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-10-2024 11:35

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General

Target

949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe
Size

824KB
MD5

f72209d0ec24040760ee9d98acf87650
SHA1

1b5655383232bdb7251741d652ea11fc487e60c6
SHA256

949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963
SHA512

06eba4902518b2ec7325fed3b5a3f3e86c4892f5aba43812b6dc4c20dd70d2f5a330e8138a9ad03ffbb8f30eab8b781a62158cd934fc740c989a1c3ae160feda
SSDEEP

12288:bwCBtLC+EptUpQ9SeSChq3YvxFBSSRMT8PTp4dhozEj888888888888W8888888J:nNzCtUpQ9WWPBSSRMTEpkN3

Score

10^/10

renamer discovery worm

Malware Config

Signatures

Detects Renamer worm. 2 IoCs

Renamer aka Grename is worm written in Delphi.

resource	yara_rule
behavioral1/memory/2364-0-0x0000000000400000-0x00000000004DB000-memory.dmp	family_renamer
behavioral1/memory/2364-1-0x0000000000400000-0x00000000004DB000-memory.dmp	family_renamer

Renamer, Grenam
Renamer aka Grenam is a worm written in Delphi.
worm renamer

Program crash 1 IoCs

pid	pid_target	Process	procid_target
796	2364	WerFault.exe	30

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	949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 796	2364	949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe	31
PID 2364 wrote to memory of 796	2364	949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe	31
PID 2364 wrote to memory of 796	2364	949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe	31
PID 2364 wrote to memory of 796	2364	949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe	31

C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe
"C:\Users\Admin\AppData\Local\Temp\949ab1a7c021aec77e7bd5f2349f9a38ce8019c8730c512b75030aa72c2d8963N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2364 -s 176
  2⤵
  - Program crash
  PID:796

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/2364-0-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/2364-1-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download