240fc1bf7931cc1b5368a0f85035f505f8f4db5ffe6a3d1f4348ed8280ca0f16

Analysis

max time kernel
104s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22-07-2024 13:14

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General

Target

b5b35f2d87dbdb4d521336f5d8918e70N.exe
Size

134KB
MD5

b5b35f2d87dbdb4d521336f5d8918e70
SHA1

69b38fbbe7e4892f54fd17ce5c8efed7ecf6af3b
SHA256

240fc1bf7931cc1b5368a0f85035f505f8f4db5ffe6a3d1f4348ed8280ca0f16
SHA512

45839214bb4e076d57a5eb811e6c169bbd4e878bcdfecfa2295423b2e665a4b8f3a9a721aadb23e337f14b2737969e912172cf4d55107ad2f889ab68ec57c580
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QJ:riAyLN9aa+9U2rW1ip6pr2At7NZuQJ

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3968	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4404-0-0x0000000000600000-0x0000000000628000-memory.dmp	upx
behavioral2/files/0x00080000000234c5-3.dat	upx
behavioral2/memory/3968-6-0x0000000000CC0000-0x0000000000CE8000-memory.dmp	upx
behavioral2/memory/4404-4-0x0000000000600000-0x0000000000628000-memory.dmp	upx
behavioral2/memory/3968-7-0x0000000000CC0000-0x0000000000CE8000-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"	b5b35f2d87dbdb4d521336f5d8918e70N.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4404 wrote to memory of 3968	4404	b5b35f2d87dbdb4d521336f5d8918e70N.exe	84
PID 4404 wrote to memory of 3968	4404	b5b35f2d87dbdb4d521336f5d8918e70N.exe	84
PID 4404 wrote to memory of 3968	4404	b5b35f2d87dbdb4d521336f5d8918e70N.exe	84

C:\Users\Admin\AppData\Local\Temp\b5b35f2d87dbdb4d521336f5d8918e70N.exe
"C:\Users\Admin\AppData\Local\Temp\b5b35f2d87dbdb4d521336f5d8918e70N.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4404
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:3968

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

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Downloads

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
6c0f9525c0da7b98a9e7533c2086978b

SHA1
f3218352421ca4653cfe0ea0fd70c821adf3ed1a

SHA256
4d48d22a61938861d238e17451a0cd9cd9489bb69b4940af8d6bb18868a068e3

SHA512
dba49409c0286c9190456998aedbf05bf4ba9f7fcb76c39c73d89ebc7cac836994f8d58eb54f2f02ba784e6230015d0d70bfd22de16ea114ad723052782fd08e

Download Submit
memory/3968-6-0x0000000000CC0000-0x0000000000CE8000-memory.dmp

Filesize
160KB

Download
memory/3968-7-0x0000000000CC0000-0x0000000000CE8000-memory.dmp

Filesize
160KB

Download
memory/4404-0-0x0000000000600000-0x0000000000628000-memory.dmp

Filesize
160KB

Download
memory/4404-4-0x0000000000600000-0x0000000000628000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads