83fff1e3a3cfc7067323aa374abf9ab2da1fa100cbe9371e30203bb20e24d724

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
23/07/2024, 10:36

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General

Target

a662c1373cbc53c1c20dafc7a316b810N.exe
Size

134KB
MD5

a662c1373cbc53c1c20dafc7a316b810
SHA1

b60cdc3bd1bd1ffa4ba89d35d66bb28b686703c9
SHA256

83fff1e3a3cfc7067323aa374abf9ab2da1fa100cbe9371e30203bb20e24d724
SHA512

8676cf964b7b8541ba575f22ebb1d1af3ac6fda8b0cb191c6b455c448fa9d201f6afb55b6b18a74f383ea1590eca1547858c930ab6598d952aafc2bc8bf9adff
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qi:riAyLN9aa+9U2rW1ip6pr2At7NZuQi

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2132	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2708	a662c1373cbc53c1c20dafc7a316b810N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0008000000016d46-2.dat	upx
behavioral1/memory/2708-1-0x0000000000880000-0x00000000008A8000-memory.dmp	upx
behavioral1/memory/2132-6-0x0000000000940000-0x0000000000968000-memory.dmp	upx
behavioral1/memory/2132-8-0x0000000000940000-0x0000000000968000-memory.dmp	upx
behavioral1/memory/2708-9-0x0000000000880000-0x00000000008A8000-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"	a662c1373cbc53c1c20dafc7a316b810N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2132	2708	a662c1373cbc53c1c20dafc7a316b810N.exe	30
PID 2708 wrote to memory of 2132	2708	a662c1373cbc53c1c20dafc7a316b810N.exe	30
PID 2708 wrote to memory of 2132	2708	a662c1373cbc53c1c20dafc7a316b810N.exe	30
PID 2708 wrote to memory of 2132	2708	a662c1373cbc53c1c20dafc7a316b810N.exe	30

C:\Users\Admin\AppData\Local\Temp\a662c1373cbc53c1c20dafc7a316b810N.exe
"C:\Users\Admin\AppData\Local\Temp\a662c1373cbc53c1c20dafc7a316b810N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2708
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2132

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
f31d2628cb2a8cf4a880ce4030626d86

SHA1
fed844326d3764bd39b73963fde454004d8acd9f

SHA256
9bd3db0059ebb8c39ebced701c325c52dc80e03bf1488ed4760bebea2b15929d

SHA512
4dbd83826659f786b056e40fda5f8a0387ebe5866aca5b21491d8dcf080e1e800a2173e88b827cea22392ca577120030030adefb69212df505b29ad7877a1853

Download Submit
memory/2132-6-0x0000000000940000-0x0000000000968000-memory.dmp

Filesize
160KB

Download
memory/2132-8-0x0000000000940000-0x0000000000968000-memory.dmp

Filesize
160KB

Download
memory/2708-1-0x0000000000880000-0x00000000008A8000-memory.dmp

Filesize
160KB

Download
memory/2708-7-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2708-9-0x0000000000880000-0x00000000008A8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads