41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e

Analysis

max time kernel
30s
max time network
22s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-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
3060	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
3044	41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3044-1-0x0000000000B70000-0x0000000000B98000-memory.dmp	upx
behavioral1/files/0x00080000000175ec-2.dat	upx
behavioral1/memory/3060-7-0x0000000001290000-0x00000000012B8000-memory.dmp	upx
behavioral1/memory/3044-8-0x0000000000B70000-0x0000000000B98000-memory.dmp	upx
behavioral1/memory/3044-10-0x0000000000B70000-0x0000000000B98000-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 4 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 3060	3044	41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe	29
PID 3044 wrote to memory of 3060	3044	41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe	29
PID 3044 wrote to memory of 3060	3044	41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe	29
PID 3044 wrote to memory of 3060	3044	41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe	29

C:\Users\Admin\AppData\Local\Temp\41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe
"C:\Users\Admin\AppData\Local\Temp\41850d67cbedab5dee966396888ac96b62e2003f958d29c0865d0e17c286709e.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3044
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:3060

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

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
27eead5d832a733d91dece138a5dbd81

SHA1
8a4aa2cffcccc44dfbde78b5d9644dd0da990526

SHA256
cab116de2ee7ed54f99ffc172eaf1fc361b09c448d17b57429ee5176f43acc12

SHA512
8275f6a96712b9915ff015a1eed8a1cd29e94f05b2cfe496ce83acf792dbe50800413b7f3f548186c8c7c6a1524a6b5b83a6a5c086fd3802b8f45aa8f6c10a96

Download Submit
memory/3044-1-0x0000000000B70000-0x0000000000B98000-memory.dmp

Filesize
160KB

Download
memory/3044-5-0x0000000000150000-0x0000000000178000-memory.dmp

Filesize
160KB

Download
memory/3044-8-0x0000000000B70000-0x0000000000B98000-memory.dmp

Filesize
160KB

Download
memory/3044-9-0x0000000000150000-0x0000000000178000-memory.dmp

Filesize
160KB

Download
memory/3044-10-0x0000000000B70000-0x0000000000B98000-memory.dmp

Filesize
160KB

Download
memory/3060-7-0x0000000001290000-0x00000000012B8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads