91747e6ab95efe79251a63e61f173a9b8f6eb8141776b8009c958f6bc81a25b4

Analysis

max time kernel
141s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 00:25

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General

Target

91747e6ab95efe79251a63e61f173a9b8f6eb8141776b8009c958f6bc81a25b4.exe
Size

94KB
MD5

391caec545f98d8f25a3b7c67255228f
SHA1

250f3c12584261c7a824a40ba4d737f7b8ca82ce
SHA256

91747e6ab95efe79251a63e61f173a9b8f6eb8141776b8009c958f6bc81a25b4
SHA512

3df9ff697132c080767876680cc07df71abf30c6af03cd78acdd9c6e91279828ee0d3771fa8162dd3525713764e3c148651daf7d00c3fff3c3241c2c6980fba1
SSDEEP

1536:tF0AJELoJHG9qa+oa33KJJzAKWYr0v7iJSzIRXKTzRZICrWaGZh7wV:tiAyLN9qa+oEGrWViJSzIR6JJrWNZCV

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

WwanSvc.exe

pid process

1516 WwanSvc.exe

pid	process
1516	WwanSvc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

91747e6ab95efe79251a63e61f173a9b8f6eb8141776b8009c958f6bc81a25b4.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run"	91747e6ab95efe79251a63e61f173a9b8f6eb8141776b8009c958f6bc81a25b4.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

91747e6ab95efe79251a63e61f173a9b8f6eb8141776b8009c958f6bc81a25b4.exe

description	pid	process	target process
PID 1636 wrote to memory of 1516	1636	91747e6ab95efe79251a63e61f173a9b8f6eb8141776b8009c958f6bc81a25b4.exe	WwanSvc.exe
PID 1636 wrote to memory of 1516	1636	91747e6ab95efe79251a63e61f173a9b8f6eb8141776b8009c958f6bc81a25b4.exe	WwanSvc.exe
PID 1636 wrote to memory of 1516	1636	91747e6ab95efe79251a63e61f173a9b8f6eb8141776b8009c958f6bc81a25b4.exe	WwanSvc.exe

C:\Users\Admin\AppData\Local\Temp\91747e6ab95efe79251a63e61f173a9b8f6eb8141776b8009c958f6bc81a25b4.exe
"C:\Users\Admin\AppData\Local\Temp\91747e6ab95efe79251a63e61f173a9b8f6eb8141776b8009c958f6bc81a25b4.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1636

C:\ProgramData\Update\WwanSvc.exe
"C:\ProgramData\Update\WwanSvc.exe" /run
2⤵
- Executes dropped EXE
PID:1516

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:\ProgramData\Update\WwanSvc.exe

Filesize
94KB

MD5
01f6956146c4f79942fe1eea333fdce2

SHA1
61b944cce1a981a6b7c89d75ac3460d85670fd9b

SHA256
f6f23f94916926d9b9b3d516cf134db83d7d225347510ff69e0154bb5bc91854

SHA512
0d84337088f4051f8450ae4658ef5b1995ca916b01a5607fda05f6fc7dc56b3bdd008492175a302d22b337365f88242b48279470e35f60778c484d981f5833d6

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