04d9aa941b5fcf9a06676ac33f2733fb29229bc6670eacc7b1e22c67268ce676

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
14/06/2024, 01:41

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General

Target

471fa1b436cf3eb3240350c658c6ee30.exe
Size

134KB
MD5

471fa1b436cf3eb3240350c658c6ee30
SHA1

1a6150f14cc5e5e7878e9ba8db353a699bc21199
SHA256

04d9aa941b5fcf9a06676ac33f2733fb29229bc6670eacc7b1e22c67268ce676
SHA512

bcb444637b458a8389d5161ff72e564ca7da5d47df1d85a1deb7495d52f4374fb903168cdfc3c31f85c8e34d260c9c4cfa3953e6394e7ed247b0483b48ebfb39
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qf:riAyLN9aa+9U2rW1ip6pr2At7NZuQf

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2052	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
1752	471fa1b436cf3eb3240350c658c6ee30.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1752-1-0x0000000000E50000-0x0000000000E78000-memory.dmp	upx
behavioral1/files/0x000900000001459f-2.dat	upx
behavioral1/memory/1752-4-0x00000000000F0000-0x0000000000118000-memory.dmp	upx
behavioral1/memory/2052-7-0x0000000000AA0000-0x0000000000AC8000-memory.dmp	upx
behavioral1/memory/1752-8-0x0000000000E50000-0x0000000000E78000-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"	471fa1b436cf3eb3240350c658c6ee30.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2052	1752	471fa1b436cf3eb3240350c658c6ee30.exe	28
PID 1752 wrote to memory of 2052	1752	471fa1b436cf3eb3240350c658c6ee30.exe	28
PID 1752 wrote to memory of 2052	1752	471fa1b436cf3eb3240350c658c6ee30.exe	28
PID 1752 wrote to memory of 2052	1752	471fa1b436cf3eb3240350c658c6ee30.exe	28

C:\Users\Admin\AppData\Local\Temp\471fa1b436cf3eb3240350c658c6ee30.exe
"C:\Users\Admin\AppData\Local\Temp\471fa1b436cf3eb3240350c658c6ee30.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1752
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2052

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
7180ade1cec8ca4e99e963b474d86eac

SHA1
34b35299dd3b41f23ed379ca973de0ed225cbfa1

SHA256
a08ac842a89db8dac3e64150dec631c85b21f48aabbbab69301cfa8063c0b47e

SHA512
3100c62766548867900432948900b5518d057cc39927b9b2346c444c849adea7eeaab9dc16c53874a605f1332eb0bf8fca15f3d25f125652690ef6d677666c4e

Download Submit
memory/1752-1-0x0000000000E50000-0x0000000000E78000-memory.dmp

Filesize
160KB

Download
memory/1752-4-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/1752-8-0x0000000000E50000-0x0000000000E78000-memory.dmp

Filesize
160KB

Download
memory/2052-7-0x0000000000AA0000-0x0000000000AC8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads