b51401a278eaf87460c80e7f6abae2dd56b4fd72f7e6280318aa3a4c86bccaa8

Analysis

max time kernel
143s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 20:45

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General

Target

757a6b8e64225063b9719a0d5d5fcf56.exe
Size

420KB
MD5

757a6b8e64225063b9719a0d5d5fcf56
SHA1

a75e22962e39e72a67de8ca8808206d2e5393122
SHA256

b51401a278eaf87460c80e7f6abae2dd56b4fd72f7e6280318aa3a4c86bccaa8
SHA512

dacaf24f613ef9cbf1de9e1c5d5d114e52d2e2b2702b44832439b192cfde12a9efd15b7c1f0b59b89dcea2317ba7bb930bbcf8c165895fcfeadf92cd0de1c996
SSDEEP

12288:IsXN7e9Rd9ygbEkQRzq7YJxp217Zrq7Jr9ejIx+qN6:IyVi9yK7Yvwvq7ejDE

Score

7^/10

aspackv2 persistence

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000700000002321f-3.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
5112	EExplorer.exe

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Laz = "C:\\Windows\\EExplorer.exe"	757a6b8e64225063b9719a0d5d5fcf56.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\EExplorer.exe	757a6b8e64225063b9719a0d5d5fcf56.exe
File opened for modification	C:\Windows\EExplorer.exe	757a6b8e64225063b9719a0d5d5fcf56.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 5112	4688	757a6b8e64225063b9719a0d5d5fcf56.exe	84
PID 4688 wrote to memory of 5112	4688	757a6b8e64225063b9719a0d5d5fcf56.exe	84
PID 4688 wrote to memory of 5112	4688	757a6b8e64225063b9719a0d5d5fcf56.exe	84

C:\Users\Admin\AppData\Local\Temp\757a6b8e64225063b9719a0d5d5fcf56.exe
"C:\Users\Admin\AppData\Local\Temp\757a6b8e64225063b9719a0d5d5fcf56.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Windows\EExplorer.exe
  C:\Windows\EExplorer.exe
  2⤵
  - Executes dropped EXE
  PID:5112

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

C:\Windows\EExplorer.exe

Filesize
420KB

MD5
757a6b8e64225063b9719a0d5d5fcf56

SHA1
a75e22962e39e72a67de8ca8808206d2e5393122

SHA256
b51401a278eaf87460c80e7f6abae2dd56b4fd72f7e6280318aa3a4c86bccaa8

SHA512
dacaf24f613ef9cbf1de9e1c5d5d114e52d2e2b2702b44832439b192cfde12a9efd15b7c1f0b59b89dcea2317ba7bb930bbcf8c165895fcfeadf92cd0de1c996

Download Submit
memory/4688-0-0x0000000000890000-0x0000000000891000-memory.dmp

Filesize
4KB

Download
memory/4688-6-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download
memory/5112-5-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/5112-7-0x0000000000400000-0x00000000005A0000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads