f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9

Analysis

max time kernel
90s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
11/06/2024, 04:59

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General

Target

f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9.exe
Size

134KB
MD5

7e35192dff05223013b36738165e828b
SHA1

3dce19d1e456f3a309b2405296a0239d21bbd276
SHA256

f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9
SHA512

affe3a3ce4b910b91082f945595c0e3e503b1eff0095570511357cf81f779d13ddea067c3c534ce577e194d5d927b155fd79efee25a8551b54107d0eab59f3eb
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QH:riAyLN9aa+9U2rW1ip6pr2At7NZuQH

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/3972-2-0x0000000000120000-0x0000000000148000-memory.dmp	UPX
behavioral2/files/0x000700000002345e-3.dat	UPX
behavioral2/memory/2780-5-0x0000000000BC0000-0x0000000000BE8000-memory.dmp	UPX
behavioral2/memory/2780-6-0x0000000000BC0000-0x0000000000BE8000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2780	WwanSvc.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3972-2-0x0000000000120000-0x0000000000148000-memory.dmp	upx
behavioral2/files/0x000700000002345e-3.dat	upx
behavioral2/memory/2780-5-0x0000000000BC0000-0x0000000000BE8000-memory.dmp	upx
behavioral2/memory/2780-6-0x0000000000BC0000-0x0000000000BE8000-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"	f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 2780	3972	f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9.exe	83
PID 3972 wrote to memory of 2780	3972	f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9.exe	83
PID 3972 wrote to memory of 2780	3972	f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9.exe	83

C:\Users\Admin\AppData\Local\Temp\f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9.exe
"C:\Users\Admin\AppData\Local\Temp\f25a11d56e825a527b8467b9b0b25caf28124c0395d5a5f4d90b16de298a28f9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3972
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2780

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
ab3c93906163b2dd8e4728b69c699b82

SHA1
bac520132515de492078006a1451d019bfbf8e83

SHA256
0d53c69d325063c31c0611c8edb78b60005de003fab35ef3b4a810f290fcc7ec

SHA512
dfb08b1ae1c51b3f9c216a47793855e5931aff46220e7e7b828952d1d638728ba1a279f1325e7bfb3931da5075234e5100933e086e3c7ea5d5b84e59eae27cd5

Download Submit
memory/2780-5-0x0000000000BC0000-0x0000000000BE8000-memory.dmp

Filesize
160KB

Download
memory/2780-6-0x0000000000BC0000-0x0000000000BE8000-memory.dmp

Filesize
160KB

Download
memory/3972-2-0x0000000000120000-0x0000000000148000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads