41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e

Analysis

max time kernel
94s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
09/07/2024, 21:34

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General

Target

41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe
Size

134KB
MD5

c26258742ed285a81f0f586acecf9965
SHA1

67eec4a852ddec13a5f581165fbcbfdc138e82cf
SHA256

41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e
SHA512

876a66b9a65783d014414a2fe3cfb8a4114680c8fb34120015231a01caaf39936bf2d9a337c53ceeced8c1d6ccaf01cfb00326fe1a359d4ddb7585176a8fd4c7
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qd:riAyLN9aa+9U2rW1ip6pr2At7NZuQd

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4972	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3172-0-0x0000000000AD0000-0x0000000000AF8000-memory.dmp	upx
behavioral2/files/0x000b000000023492-3.dat	upx
behavioral2/memory/3172-4-0x0000000000AD0000-0x0000000000AF8000-memory.dmp	upx
behavioral2/memory/4972-5-0x0000000000630000-0x0000000000658000-memory.dmp	upx
behavioral2/memory/4972-7-0x0000000000630000-0x0000000000658000-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"	41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 4972	3172	41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe	82
PID 3172 wrote to memory of 4972	3172	41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe	82
PID 3172 wrote to memory of 4972	3172	41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe	82

C:\Users\Admin\AppData\Local\Temp\41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe
"C:\Users\Admin\AppData\Local\Temp\41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3172
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4972

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
134KB

MD5
57e8edb2c3e59d501593bbaab90070d9

SHA1
8e0179d651f8f6284d585516109e26c553dce736

SHA256
03fd445bee562270c3eb81840b28214b48ecd9055c95303c24e81806865f8293

SHA512
a5e87656d2f6cdb844249eb1d0a8f33dc86c324ca96221c6b973a703fd59de7499e2d6546357fccaf8bb9355ac63fa1c2458180b949f8cda28b5326b75332b70

Download Submit
memory/3172-0-0x0000000000AD0000-0x0000000000AF8000-memory.dmp

Filesize
160KB

Download
memory/3172-4-0x0000000000AD0000-0x0000000000AF8000-memory.dmp

Filesize
160KB

Download
memory/4972-5-0x0000000000630000-0x0000000000658000-memory.dmp

Filesize
160KB

Download
memory/4972-7-0x0000000000630000-0x0000000000658000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads