84a4e52dc5180ed1aa5994a79290b039cd4079bd0b719345d86e37d1e460ee25

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 05:35

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General

Target

bff9876a9d0883d3928b028eb8b078c9.exe
Size

637KB
MD5

bff9876a9d0883d3928b028eb8b078c9
SHA1

326201de97e37b6cf07f3d13fc627b4ffd077092
SHA256

84a4e52dc5180ed1aa5994a79290b039cd4079bd0b719345d86e37d1e460ee25
SHA512

0770adc6af15cb8e9879ab63a4418f151cd447c7260689a8d96a87dc5195c91d1113d70d7b0616ea3428c534fb50a727f7ed79f9a2b82e81006258dd380e00ff
SSDEEP

12288:Pl/TGxM+onYhBfg+TCnMxPfW5QAx1c2obY7Kov5TrnKKyy:Pl/TxjwBfg8CnMFeoc+ovH

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4736	4.exe
4988	Hacker.com.cn.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\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	bff9876a9d0883d3928b028eb8b078c9.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\Hacker.com.cn.exe	4.exe
File created	C:\Windows\Hacker.com.cn.exe	4.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4736	4.exe
Token: SeDebugPrivilege	4988	Hacker.com.cn.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4988	Hacker.com.cn.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 348 wrote to memory of 4736	348	bff9876a9d0883d3928b028eb8b078c9.exe	97
PID 348 wrote to memory of 4736	348	bff9876a9d0883d3928b028eb8b078c9.exe	97
PID 348 wrote to memory of 4736	348	bff9876a9d0883d3928b028eb8b078c9.exe	97
PID 4988 wrote to memory of 2212	4988	Hacker.com.cn.exe	100
PID 4988 wrote to memory of 2212	4988	Hacker.com.cn.exe	100

C:\Users\Admin\AppData\Local\Temp\bff9876a9d0883d3928b028eb8b078c9.exe
"C:\Users\Admin\AppData\Local\Temp\bff9876a9d0883d3928b028eb8b078c9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:348
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4736

C:\Windows\Hacker.com.cn.exe
C:\Windows\Hacker.com.cn.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4988
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:2212

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3972 --field-trial-handle=2236,i,5367110156796017614,12594004256180761011,262144 --variations-seed-version /prefetch:8
1⤵
PID:5100

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:\Users\Admin\AppData\Local\Temp\IXP000.TMP\4.exe

Filesize
788KB

MD5
8d7c3fd504dee89ea59f96370f7830bf

SHA1
477f260497114d6d28bfb1ba1de04205ce9d3881

SHA256
deb82a303446de0840f5fd6d74e7637d3dcfbd0b04d3a430578b699dceb8329c

SHA512
46f4e0193f1764efbb8f93a755f6b43a265bf3950069368bdb83c00746feaa85b464230610403b6efca175e9071e84e281ff3bff5f90bf14133e583ff6e8def5

Download Submit
memory/348-0-0x0000000001000000-0x0000000001105000-memory.dmp

Filesize
1.0MB

Download
memory/348-1-0x0000000000680000-0x00000000006D0000-memory.dmp

Filesize
320KB

Download
memory/348-2-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

Filesize
4KB

Download
memory/348-3-0x0000000000C20000-0x0000000000C21000-memory.dmp

Filesize
4KB

Download
memory/348-4-0x0000000000C10000-0x0000000000C11000-memory.dmp

Filesize
4KB

Download
memory/348-5-0x0000000000C60000-0x0000000000C61000-memory.dmp

Filesize
4KB

Download
memory/348-6-0x0000000000C70000-0x0000000000C71000-memory.dmp

Filesize
4KB

Download
memory/348-8-0x0000000000C80000-0x0000000000C81000-memory.dmp

Filesize
4KB

Download
memory/348-7-0x0000000000CB0000-0x0000000000CB1000-memory.dmp

Filesize
4KB

Download
memory/348-9-0x0000000000C30000-0x0000000000C31000-memory.dmp

Filesize
4KB

Download
memory/348-10-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-11-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-12-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-13-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-14-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-15-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-16-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-17-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-18-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-19-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-20-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-21-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-22-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-24-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-23-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-25-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-26-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-27-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-28-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-30-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-31-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-29-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-32-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-33-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-34-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-35-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-36-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-37-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-38-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-39-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-40-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-41-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-42-0x0000000000C00000-0x0000000000C01000-memory.dmp

Filesize
4KB

Download
memory/348-43-0x0000000000C00000-0x0000000000C01000-memory.dmp

Filesize
4KB

Download
memory/348-44-0x00000000029F0000-0x00000000029F1000-memory.dmp

Filesize
4KB

Download
memory/348-45-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/348-60-0x0000000001000000-0x0000000001105000-memory.dmp

Filesize
1.0MB

Download
memory/348-61-0x0000000000680000-0x00000000006D0000-memory.dmp

Filesize
320KB

Download
memory/4736-50-0x0000000000400000-0x00000000004CE200-memory.dmp

Filesize
824KB

Download
memory/4736-52-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/4736-59-0x0000000000400000-0x00000000004CE200-memory.dmp

Filesize
824KB

Download
memory/4988-56-0x0000000000400000-0x00000000004CE200-memory.dmp

Filesize
824KB

Download
memory/4988-58-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download
memory/4988-62-0x0000000000400000-0x00000000004CE200-memory.dmp

Filesize
824KB

Download
memory/4988-63-0x0000000000670000-0x0000000000671000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads