5d3f76dc4c4191ac7baa3ba130abdce26bef47962e7c33645e0a30dd6635eeab

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 20:42

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General

Target

fXWlfxf.exe
Size

270KB
MD5

b08e25b2e7527dd37baa4352cf143f81
SHA1

5da381243e460e32388f1f0f33988e98ff3cc38f
SHA256

5d3f76dc4c4191ac7baa3ba130abdce26bef47962e7c33645e0a30dd6635eeab
SHA512

2083a53f24c6061cfd6de5b486fe8794730ec964615e8e2dc009e1d5b0de8880f0f8bdb915c860bd79a34f0e8e4b76abc3aea10e36f36b4cabd1a93db1e27853
SSDEEP

3072:+qom4DMrhHWjYyEH4SeeSy7ZCyRlhGSrt1QEiaZiPm2s1P783FzHkAnOfGPxwq6T:+qomfYSerypDGSB1sqq6Ys0M

Score

6^/10

persistence

Malware Config

Signatures

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\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows SecurityAgent = "C:\\Users\\Admin\\AppData\\Local\\Microsoft\\Support\\SecurityAgent.exe"	fXWlfxf.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2584	2528	fXWlfxf.exe	31
PID 2528 wrote to memory of 2584	2528	fXWlfxf.exe	31
PID 2528 wrote to memory of 2584	2528	fXWlfxf.exe	31
PID 2528 wrote to memory of 2584	2528	fXWlfxf.exe	31
PID 2528 wrote to memory of 2380	2528	fXWlfxf.exe	32
PID 2528 wrote to memory of 2380	2528	fXWlfxf.exe	32
PID 2528 wrote to memory of 2380	2528	fXWlfxf.exe	32

C:\Users\Admin\AppData\Local\Temp\fXWlfxf.exe
"C:\Users\Admin\AppData\Local\Temp\fXWlfxf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
  2⤵
  PID:2584
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2528 -s 16
  2⤵
  PID:2380

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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