4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d

Analysis

max time kernel
147s
max time network
52s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
24/06/2024, 21:23

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General

Target

4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe
Size

134KB
MD5

c3340367f47927c4bcc4977a7e3b72a9
SHA1

e06bb4c6025c0765b73a21e764d056d04646c24b
SHA256

4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d
SHA512

7fa74a52d144c1432b84acae96a4a57b6c8be137db0fa2c13afd446abf1d91ec3580929275dadf865bde866b1b422a410fa0d8692630888c317da89b71f2db69
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Q1:riAyLN9aa+9U2rW1ip6pr2At7NZuQ1

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral2/memory/2148-0-0x0000000000910000-0x0000000000938000-memory.dmp	UPX
behavioral2/memory/2408-4-0x0000000000300000-0x0000000000328000-memory.dmp	UPX
behavioral2/files/0x000800000002340c-3.dat	UPX
behavioral2/memory/2148-6-0x0000000000910000-0x0000000000938000-memory.dmp	UPX
behavioral2/memory/2408-7-0x0000000000300000-0x0000000000328000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2408	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2148-0-0x0000000000910000-0x0000000000938000-memory.dmp	upx
behavioral2/memory/2408-4-0x0000000000300000-0x0000000000328000-memory.dmp	upx
behavioral2/files/0x000800000002340c-3.dat	upx
behavioral2/memory/2148-6-0x0000000000910000-0x0000000000938000-memory.dmp	upx
behavioral2/memory/2408-7-0x0000000000300000-0x0000000000328000-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"	4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2408	2148	4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe	80
PID 2148 wrote to memory of 2408	2148	4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe	80
PID 2148 wrote to memory of 2408	2148	4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe	80

C:\Users\Admin\AppData\Local\Temp\4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe
"C:\Users\Admin\AppData\Local\Temp\4faf38dc2c68fb994cde73c30ccc463ed8a035089bbf8a17c444a8f0b500607d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2148
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2408

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
b8314adf0b4577a68e9821917bb9f4c2

SHA1
d98e1d589f7477084421f6c522bf4a74e404144c

SHA256
050bc77541c49cd9eea0d07e8393e22132be7770843301c31e2ed93204bcd558

SHA512
6ba1e5e902d7b80af3a82b2533014b8a5672d6ae47bb88ac5699e5bb932543e13ca1091624a66bc239ec749bfb8d97dc3a34ed4cce3577df316b6ec04248f5da

Download Submit
memory/2148-0-0x0000000000910000-0x0000000000938000-memory.dmp

Filesize
160KB

Download
memory/2148-6-0x0000000000910000-0x0000000000938000-memory.dmp

Filesize
160KB

Download
memory/2408-4-0x0000000000300000-0x0000000000328000-memory.dmp

Filesize
160KB

Download
memory/2408-7-0x0000000000300000-0x0000000000328000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads