200dac824887791e02649a4435a69afd76b1e11de67bfcc59fa389c6aff4a26a

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Ejima.exe
Size

564KB
MD5

e55a15226b4a4eceb0842404d977666a
SHA1

938203976b1cca4a4c93c7f96fdebf38af6db078
SHA256

f1b2b93992ab956883815e6fea926d282fc3a423675fa1faf5ffb6cbb2ddbedb
SHA512

63b02d2a066a776fffa0a5c413ba62e7c55e9f0e4c5b8de498844a6151dea02875653c437f6ea2cde5bc166dcb8ba4ae3d4c6822a703ceec46ecc0b832c74ead
SSDEEP

6144:bBlL/RnnQQdz69b2ArXwgqAVT2g4u5rbiDhk1OtMzbOTOX:txI/XwiVTA+1OqvOT2

Score

7^/10

discovery

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2656	Ejima.exe
2656	Ejima.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1700	2656	WerFault.exe	82

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	Ejima.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 4100	2656	Ejima.exe	95
PID 2656 wrote to memory of 4100	2656	Ejima.exe	95
PID 2656 wrote to memory of 4100	2656	Ejima.exe	95

C:\Users\Admin\AppData\Local\Temp\Ejima.exe
"C:\Users\Admin\AppData\Local\Temp\Ejima.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2656
- C:\Users\Admin\AppData\Local\Temp\Ejima.exe
  "C:\Users\Admin\AppData\Local\Temp\Ejima.exe"
  2⤵
  PID:4100
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2656 -s 924
  2⤵
  - Program crash
  PID:1700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2656 -ip 2656
1⤵
PID:4340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\nsmB1FB.tmp\System.dll

Filesize
10KB

MD5
56a321bd011112ec5d8a32b2f6fd3231

SHA1
df20e3a35a1636de64df5290ae5e4e7572447f78

SHA256
bb6df93369b498eaa638b0bcdc4bb89f45e9b02ca12d28bcedf4629ea7f5e0f1

SHA512
5354890cbc53ce51081a78c64ba9c4c8c4dc9e01141798c1e916e19c5776dac7c82989fad0f08c73e81aaba332dad81205f90d0663119af45550b97b338b9cc3

Download Submit