83fff1e3a3cfc7067323aa374abf9ab2da1fa100cbe9371e30203bb20e24d724

Analysis

max time kernel
105s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-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
1968	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4124-0-0x0000000000A90000-0x0000000000AB8000-memory.dmp	upx
behavioral2/memory/4124-6-0x0000000000A90000-0x0000000000AB8000-memory.dmp	upx
behavioral2/memory/1968-5-0x0000000000A50000-0x0000000000A78000-memory.dmp	upx
behavioral2/files/0x00080000000234ab-4.dat	upx
behavioral2/memory/1968-7-0x0000000000A50000-0x0000000000A78000-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 3 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 1968	4124	a662c1373cbc53c1c20dafc7a316b810N.exe	84
PID 4124 wrote to memory of 1968	4124	a662c1373cbc53c1c20dafc7a316b810N.exe	84
PID 4124 wrote to memory of 1968	4124	a662c1373cbc53c1c20dafc7a316b810N.exe	84

C:\Users\Admin\AppData\Local\Temp\a662c1373cbc53c1c20dafc7a316b810N.exe
"C:\Users\Admin\AppData\Local\Temp\a662c1373cbc53c1c20dafc7a316b810N.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4124
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1968

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
cf949e9b53fce4612d2c0355f2603fba

SHA1
00d3380ac1fce104868cdd0f01d1b2d9c4c39331

SHA256
8f23cffc527b01344db53d6638e9a2ed7fe0e03141714f6c251fe7a6d4c9492e

SHA512
e18eb26fcd8f36f7f7b787c557805004a7c3df01cedd67738d73e91f478c3088035716a0a7ef0cd51e4e9528b05bffdf97f53de5f62df214fbb212e04a3c080b

Download Submit
memory/1968-5-0x0000000000A50000-0x0000000000A78000-memory.dmp

Filesize
160KB

Download
memory/1968-7-0x0000000000A50000-0x0000000000A78000-memory.dmp

Filesize
160KB

Download
memory/4124-0-0x0000000000A90000-0x0000000000AB8000-memory.dmp

Filesize
160KB

Download
memory/4124-6-0x0000000000A90000-0x0000000000AB8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads