renamer | 932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4e

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-10-2024 17:57

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General

Target

932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe
Size

824KB
MD5

7a7419169a4af42e1231514a0a0edfc0
SHA1

ef23e6e5c8234cccc9b1789c4c53ae09dccbbec1
SHA256

932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4e
SHA512

2725df84067afae5b83a2566ad5ce11273d3606faf9510fba0afa9bac1ddc7b2601dd6bed940ed6051d4627d93a28d140ec75a4970bdbbdcbf39068d514df8bf
SSDEEP

12288:bwCBtLC+EptUpQ9SeSChq3YvxFBSSRMT8PTp4dhozEV888888888888W8888888J:nNzCtUpQ9WWPBSSRMTEpkNN

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/2192-0-0x0000000000400000-0x00000000004DB000-memory.dmp	family_renamer
behavioral1/memory/2192-1-0x0000000000400000-0x00000000004DB000-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
2936	2192	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	932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2192 wrote to memory of 2936	2192	932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe	30
PID 2192 wrote to memory of 2936	2192	932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe	30
PID 2192 wrote to memory of 2936	2192	932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe	30
PID 2192 wrote to memory of 2936	2192	932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe	30

C:\Users\Admin\AppData\Local\Temp\932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe
"C:\Users\Admin\AppData\Local\Temp\932fdab800d3aa49d8978209f89998eceb165095f527b36aebc425885bc05f4eN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2192
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 176
  2⤵
  - Program crash
  PID:2936

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/2192-0-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/2192-1-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download