b471bbd38904a615f792e9f432259f533e9103d89b6fc177bd443860ab5be008

Analysis

max time kernel
145s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
04/06/2024, 01:48

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

b471bbd38904a615f792e9f432259f533e9103d89b6fc177bd443860ab5be008.exe
Size

134KB
MD5

772d22d236f1ee9bccc625b439fae4b2
SHA1

4864a564855c7345d754cc9dae9ee33102655724
SHA256

b471bbd38904a615f792e9f432259f533e9103d89b6fc177bd443860ab5be008
SHA512

79b055bfa7a4ab3b0cb8b43b157dcadc8d46cadc5670fff6b0309d8dfd10f8992ad56192b041409b17115e4bbd6ade546965fd562b487606dabdbdcf4d31f103
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Q2:riAyLN9aa+9U2rW1ip6pr2At7NZuQ2

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral2/memory/864-0-0x00000000008E0000-0x0000000000908000-memory.dmp	UPX
behavioral2/files/0x00070000000233e5-3.dat	UPX
behavioral2/memory/864-5-0x00000000008E0000-0x0000000000908000-memory.dmp	UPX
behavioral2/memory/3456-6-0x0000000000AC0000-0x0000000000AE8000-memory.dmp	UPX
behavioral2/memory/3456-7-0x0000000000AC0000-0x0000000000AE8000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
3456	WwanSvc.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/864-0-0x00000000008E0000-0x0000000000908000-memory.dmp	upx
behavioral2/files/0x00070000000233e5-3.dat	upx
behavioral2/memory/864-5-0x00000000008E0000-0x0000000000908000-memory.dmp	upx
behavioral2/memory/3456-6-0x0000000000AC0000-0x0000000000AE8000-memory.dmp	upx
behavioral2/memory/3456-7-0x0000000000AC0000-0x0000000000AE8000-memory.dmp	upx

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\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run"	b471bbd38904a615f792e9f432259f533e9103d89b6fc177bd443860ab5be008.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 3456	864	b471bbd38904a615f792e9f432259f533e9103d89b6fc177bd443860ab5be008.exe	83
PID 864 wrote to memory of 3456	864	b471bbd38904a615f792e9f432259f533e9103d89b6fc177bd443860ab5be008.exe	83
PID 864 wrote to memory of 3456	864	b471bbd38904a615f792e9f432259f533e9103d89b6fc177bd443860ab5be008.exe	83

C:\Users\Admin\AppData\Local\Temp\b471bbd38904a615f792e9f432259f533e9103d89b6fc177bd443860ab5be008.exe
"C:\Users\Admin\AppData\Local\Temp\b471bbd38904a615f792e9f432259f533e9103d89b6fc177bd443860ab5be008.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:864
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:3456

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

Loading Replay Monitor...

Downloads

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
1fbf90472076d109c2ceda67073d1259

SHA1
32177c608149559bcb559ddda6d7f67cae14d27f

SHA256
f339be2847d75ba8b0b4e2f4788f89523f5e72c3a1e89cb589e121bd3cab1bd8

SHA512
3b8f972cad0ed4e272f0a366581e5eda878ce0f040e859e11eaafd17339480aa7019823f363e5806dce92bdba6ebd0b418661d398afa86a0d99817a00182bbee

Download Submit
memory/864-0-0x00000000008E0000-0x0000000000908000-memory.dmp

Filesize
160KB

Download
memory/864-5-0x00000000008E0000-0x0000000000908000-memory.dmp

Filesize
160KB

Download
memory/3456-6-0x0000000000AC0000-0x0000000000AE8000-memory.dmp

Filesize
160KB

Download
memory/3456-7-0x0000000000AC0000-0x0000000000AE8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads