05535ac88bc3c48f0747435a9feb93e12524268f5bb6bf2ccf73edf7c12dc33f

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10/06/2024, 18:17

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General

Target

05535ac88bc3c48f0747435a9feb93e12524268f5bb6bf2ccf73edf7c12dc33f.exe
Size

134KB
MD5

1a9747c328a56e8cd2e5c029d53d92e3
SHA1

33615fcc1d7ccc4d89b1f73d70f321202f9b9911
SHA256

05535ac88bc3c48f0747435a9feb93e12524268f5bb6bf2ccf73edf7c12dc33f
SHA512

e711506a6eeddffbe683dc50417d5acb29d7d0443f07c32cc477ab9a60904e796fab0a582c0f41f33a7517dc949ad3edc2fd97d9dd6afbf35ba2b046d1d0b183
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QU:riAyLN9aa+9U2rW1ip6pr2At7NZuQU

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 4 IoCs

resource	yara_rule
behavioral2/memory/1048-0-0x00000000003A0000-0x00000000003C8000-memory.dmp	UPX
behavioral2/files/0x000900000002341a-3.dat	UPX
behavioral2/memory/1048-5-0x00000000003A0000-0x00000000003C8000-memory.dmp	UPX
behavioral2/memory/3212-6-0x00000000000D0000-0x00000000000F8000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
3212	WwanSvc.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1048-0-0x00000000003A0000-0x00000000003C8000-memory.dmp	upx
behavioral2/files/0x000900000002341a-3.dat	upx
behavioral2/memory/1048-5-0x00000000003A0000-0x00000000003C8000-memory.dmp	upx
behavioral2/memory/3212-6-0x00000000000D0000-0x00000000000F8000-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"	05535ac88bc3c48f0747435a9feb93e12524268f5bb6bf2ccf73edf7c12dc33f.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 3212	1048	05535ac88bc3c48f0747435a9feb93e12524268f5bb6bf2ccf73edf7c12dc33f.exe	80
PID 1048 wrote to memory of 3212	1048	05535ac88bc3c48f0747435a9feb93e12524268f5bb6bf2ccf73edf7c12dc33f.exe	80
PID 1048 wrote to memory of 3212	1048	05535ac88bc3c48f0747435a9feb93e12524268f5bb6bf2ccf73edf7c12dc33f.exe	80

C:\Users\Admin\AppData\Local\Temp\05535ac88bc3c48f0747435a9feb93e12524268f5bb6bf2ccf73edf7c12dc33f.exe
"C:\Users\Admin\AppData\Local\Temp\05535ac88bc3c48f0747435a9feb93e12524268f5bb6bf2ccf73edf7c12dc33f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1048
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:3212

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
48dac1759c3e5b5184f3f4a82e6168cc

SHA1
4fb590e53fa05e5d9681a22923a173d39df8ac6f

SHA256
7e592c11d0b512bbb6b5398db666d20320730fa5c8cace042e27681d2759605b

SHA512
e28f081c4367a06aced476bd1fe1070e13d4c2a6a8900167ad13ef75fab6b74f2fb6f9c20558301779c40b86361684c9c2a88adf5be6e536dcb1693955c2a284

Download Submit
memory/1048-0-0x00000000003A0000-0x00000000003C8000-memory.dmp

Filesize
160KB

Download
memory/1048-5-0x00000000003A0000-0x00000000003C8000-memory.dmp

Filesize
160KB

Download
memory/3212-6-0x00000000000D0000-0x00000000000F8000-memory.dmp

Filesize
160KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads