66707cbde531bacdbf8b373152e789e75b0375f8d85f8c394523a76609b24cd8

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-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
1524	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2264	e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2264-0-0x00000000008A0000-0x00000000008C8000-memory.dmp	upx
behavioral1/files/0x000b000000012303-2.dat	upx
behavioral1/memory/2264-4-0x00000000000F0000-0x0000000000118000-memory.dmp	upx
behavioral1/memory/2264-7-0x00000000008A0000-0x00000000008C8000-memory.dmp	upx
behavioral1/memory/1524-8-0x0000000000980000-0x00000000009A8000-memory.dmp	upx
behavioral1/memory/2264-9-0x00000000008A0000-0x00000000008C8000-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 4 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 1524	2264	e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe	28
PID 2264 wrote to memory of 1524	2264	e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe	28
PID 2264 wrote to memory of 1524	2264	e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe	28
PID 2264 wrote to memory of 1524	2264	e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe	28

C:\Users\Admin\AppData\Local\Temp\e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\e13c2a67b56395881287dfa5f9cbc7ec_NEAS.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2264
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1524

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
e1e693711e1eea871a0b00504a534c03

SHA1
6a9a6348ba38ae455e4f5cceb82ee906bf5a87f2

SHA256
1876b490718c3dd8210a1588acc03a5d4dcc98bb9bfaaf41fbfcbb0414488e69

SHA512
1011e995d9842ff95606d4536f2ffab1c20425f2de0a1bdf7ba2e56de2cdbd85a2b151c306fadbbc52b3b9b22a3addca6e450b3e5a2be2ab796f096ba457563e

Download Submit
memory/1524-8-0x0000000000980000-0x00000000009A8000-memory.dmp

Filesize
160KB

Download
memory/2264-0-0x00000000008A0000-0x00000000008C8000-memory.dmp

Filesize
160KB

Download
memory/2264-4-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/2264-7-0x00000000008A0000-0x00000000008C8000-memory.dmp

Filesize
160KB

Download
memory/2264-9-0x00000000008A0000-0x00000000008C8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads