b3a5a80cce462183b6d957504e0ea39d9545ab4338be8f6328e7d32037c18e35

Analysis

max time kernel
91s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
07/07/2024, 02:23

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General

Target

b3a5a80cce462183b6d957504e0ea39d9545ab4338be8f6328e7d32037c18e35.exe
Size

134KB
MD5

ad9ddd334b0b73b7fbe19a84bda4b5f8
SHA1

9642edb8361a20a93a2ee6e142987a836b5d418c
SHA256

b3a5a80cce462183b6d957504e0ea39d9545ab4338be8f6328e7d32037c18e35
SHA512

3312ef8eec024d86bd6da122abb22d2f396ef08d1d75dc61b489174e4e6dbbdfc72afc7aa642b6fdcf8ef248d5bde7241fc4c30708fb93d3656b49b64840caad
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qm:riAyLN9aa+9U2rW1ip6pr2At7NZuQm

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4828	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/824-0-0x0000000000A00000-0x0000000000A28000-memory.dmp	upx
behavioral2/files/0x00080000000234c8-3.dat	upx
behavioral2/memory/4828-5-0x0000000000270000-0x0000000000298000-memory.dmp	upx
behavioral2/memory/824-6-0x0000000000A00000-0x0000000000A28000-memory.dmp	upx
behavioral2/memory/4828-7-0x0000000000270000-0x0000000000298000-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"	b3a5a80cce462183b6d957504e0ea39d9545ab4338be8f6328e7d32037c18e35.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 4828	824	b3a5a80cce462183b6d957504e0ea39d9545ab4338be8f6328e7d32037c18e35.exe	85
PID 824 wrote to memory of 4828	824	b3a5a80cce462183b6d957504e0ea39d9545ab4338be8f6328e7d32037c18e35.exe	85
PID 824 wrote to memory of 4828	824	b3a5a80cce462183b6d957504e0ea39d9545ab4338be8f6328e7d32037c18e35.exe	85

C:\Users\Admin\AppData\Local\Temp\b3a5a80cce462183b6d957504e0ea39d9545ab4338be8f6328e7d32037c18e35.exe
"C:\Users\Admin\AppData\Local\Temp\b3a5a80cce462183b6d957504e0ea39d9545ab4338be8f6328e7d32037c18e35.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:824
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4828

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
9517ce4ecc234e67d379852392cf673a

SHA1
98b3b75c3b0e6a6005904408751539fb05362d89

SHA256
12b549e376b2cc542a62ad6d08d1d7f3175d4af3d4ee4ef8dcd0dc56f4bc6bc6

SHA512
e0f5505c23975e73493158172750db5f1b0a3a574b0440a56b9c1299c517ab36552a29edad362aa2744866bc9b900a387523e7c742efbee9dbe5ee857dad8675

Download Submit
memory/824-0-0x0000000000A00000-0x0000000000A28000-memory.dmp

Filesize
160KB

Download
memory/824-6-0x0000000000A00000-0x0000000000A28000-memory.dmp

Filesize
160KB

Download
memory/4828-5-0x0000000000270000-0x0000000000298000-memory.dmp

Filesize
160KB

Download
memory/4828-7-0x0000000000270000-0x0000000000298000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads