66707cbde531bacdbf8b373152e789e75b0375f8d85f8c394523a76609b24cd8

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 16:35

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General

Target

e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe
Size

134KB
MD5

e13c2a67b56395881287dfa5f9cbc7ec
SHA1

fd1a019c8e379d97019bb90ba1df82f7750dc668
SHA256

66707cbde531bacdbf8b373152e789e75b0375f8d85f8c394523a76609b24cd8
SHA512

f9e37eb6c8fcc4c7052b1f65acd04dbf5917b34ac3ed81e688c9cfc872297cb04ae44264d5fd821cf3df22bf4c1081529a84a73acfd8b09797a108633a1c36b4
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QW:riAyLN9aa+9U2rW1ip6pr2At7NZuQW

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4456	WwanSvc.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4048-0-0x0000000000240000-0x0000000000268000-memory.dmp	upx
behavioral2/files/0x000b0000000233fa-5.dat	upx
behavioral2/memory/4048-4-0x0000000000240000-0x0000000000268000-memory.dmp	upx
behavioral2/memory/4456-6-0x0000000000E80000-0x0000000000EA8000-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"	e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4048 wrote to memory of 4456	4048	e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe	80
PID 4048 wrote to memory of 4456	4048	e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe	80
PID 4048 wrote to memory of 4456	4048	e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe	80

C:\Users\Admin\AppData\Local\Temp\e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4048
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:4456

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
48d908212b93814c045599831ce681b6

SHA1
2e7ff0b8c9cc0cd3dc0e013ec7c093084db7151f

SHA256
b1aa1daca87ed7441ed5a0486632d2b6bf34e1b334698313f0786cbe74849141

SHA512
f6585820e5b296205b1d0afca11ec4ec10258516171733468686fca7b0981e48268e7021ac817909ee224453dc757116c38b697b6bbfca7918a301a8a7879d9b

Download Submit
memory/4048-0-0x0000000000240000-0x0000000000268000-memory.dmp

Filesize
160KB

Download
memory/4048-4-0x0000000000240000-0x0000000000268000-memory.dmp

Filesize
160KB

Download
memory/4456-6-0x0000000000E80000-0x0000000000EA8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads