021be41a45db68dbb617eff99ae8d5b04af77f0330b9278b6450c30cc8c3d414

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2024 17:22

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General

Target

021be41a45db68dbb617eff99ae8d5b04af77f0330b9278b6450c30cc8c3d414.dll
Size

104KB
MD5

e545760d5e7260ce66a98af69f7152e5
SHA1

7c1192c5960fb9adc255aa872560188bbd215b93
SHA256

021be41a45db68dbb617eff99ae8d5b04af77f0330b9278b6450c30cc8c3d414
SHA512

c71435368ebf65a98c0cff462abc4b0eedcc0af74a5a8d8c970037228e267d548213d4c779ef139183c0b51d74e3ab0cc791e9376118a8960d8f04ca6e4860f2
SSDEEP

3072:rfTG5YUuW63WYTHL/WWDZzPWBTtC2OiJ6:vGC0SZX/WW5PWJrg

Score

6^/10

persistence

Malware Config

Signatures

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Xdajuheqicoxicak = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\021be41a45db68dbb617eff99ae8d5b04af77f0330b9278b6450c30cc8c3d414.dll\",Startup"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2028	rundll32.exe
2028	rundll32.exe
2028	rundll32.exe
2028	rundll32.exe
2028	rundll32.exe
2028	rundll32.exe
2028	rundll32.exe
2028	rundll32.exe
2028	rundll32.exe
2028	rundll32.exe
2028	rundll32.exe
2028	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1252 wrote to memory of 2028	1252	rundll32.exe	89
PID 1252 wrote to memory of 2028	1252	rundll32.exe	89
PID 1252 wrote to memory of 2028	1252	rundll32.exe	89
PID 2028 wrote to memory of 552	2028	rundll32.exe	102
PID 2028 wrote to memory of 552	2028	rundll32.exe	102
PID 2028 wrote to memory of 552	2028	rundll32.exe	102

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\021be41a45db68dbb617eff99ae8d5b04af77f0330b9278b6450c30cc8c3d414.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\021be41a45db68dbb617eff99ae8d5b04af77f0330b9278b6450c30cc8c3d414.dll,#1
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2028
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\021be41a45db68dbb617eff99ae8d5b04af77f0330b9278b6450c30cc8c3d414.dll",iep
    3⤵
    PID:552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/552-9-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/552-10-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/552-12-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/552-15-0x00000000029A0000-0x00000000029B0000-memory.dmp

Filesize
64KB

Download
memory/2028-1-0x0000000002080000-0x0000000002090000-memory.dmp

Filesize
64KB

Download
memory/2028-2-0x0000000002080000-0x0000000002090000-memory.dmp

Filesize
64KB

Download
memory/2028-0-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/2028-3-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/2028-5-0x0000000002080000-0x0000000002090000-memory.dmp

Filesize
64KB

Download
memory/2028-6-0x0000000002080000-0x0000000002090000-memory.dmp

Filesize
64KB

Download
memory/2028-8-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download
memory/2028-11-0x0000000010000000-0x000000001001A000-memory.dmp

Filesize
104KB

Download