09f8bfd3434da09f82d3905dbe0b2c7c6ca81296bffc52e244371cb36242e762

Analysis

max time kernel
148s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
07/05/2024, 03:18

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General

Target

59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe
Size

134KB
MD5

59392f9e0932c64a42fc5f31d9ee2b70
SHA1

28a30aa4b690ed4f9b898e194d68a392d865aa18
SHA256

09f8bfd3434da09f82d3905dbe0b2c7c6ca81296bffc52e244371cb36242e762
SHA512

badfb39eb62bf24bf0cc8b3f8bffb028acd6e753df384e0436736652dc523536861f421a5f1bf8f609b0f7751c0f02117e2a572cfcb7961266bd2181d8bc30b0
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Q1:riAyLN9aa+9U2rW1ip6pr2At7NZuQ1

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1100	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2272-1-0x0000000000A20000-0x0000000000A48000-memory.dmp	upx
behavioral2/files/0x000b000000023b84-3.dat	upx
behavioral2/memory/2272-5-0x0000000000A20000-0x0000000000A48000-memory.dmp	upx
behavioral2/memory/1100-6-0x0000000000D10000-0x0000000000D38000-memory.dmp	upx
behavioral2/memory/1100-7-0x0000000000D10000-0x0000000000D38000-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"	59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 1100	2272	59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe	83
PID 2272 wrote to memory of 1100	2272	59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe	83
PID 2272 wrote to memory of 1100	2272	59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe	83

C:\Users\Admin\AppData\Local\Temp\59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe
"C:\Users\Admin\AppData\Local\Temp\59392f9e0932c64a42fc5f31d9ee2b70_NEAS.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2272
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1100

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
52912f33a694f4e535cff802264e26f0

SHA1
4ca08f0a42baa4cc4f317c3da9d80ce5c11e0892

SHA256
ec48c2f07097dc764f31467e73caad1e4c069f0574967d0405fcd8dc37390f24

SHA512
f2619a548a1b7596765cc28de31d50b137730a89c5e49b145dfaad782291f644585b74d0ee60fad6325aedd62efe7f6d3323517b0cebc8420a72310bff44fed0

Download Submit
memory/1100-6-0x0000000000D10000-0x0000000000D38000-memory.dmp

Filesize
160KB

Download
memory/1100-7-0x0000000000D10000-0x0000000000D38000-memory.dmp

Filesize
160KB

Download
memory/2272-1-0x0000000000A20000-0x0000000000A48000-memory.dmp

Filesize
160KB

Download
memory/2272-5-0x0000000000A20000-0x0000000000A48000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads