477a255eb42308eeb8e4ac06e706a9781c1298517f012858fe210d8cf50f56f7

Analysis

max time kernel
145s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 20:57

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General

Target

5199b147565b382d68e63f7d1d30926a.exe
Size

97KB
MD5

5199b147565b382d68e63f7d1d30926a
SHA1

ecfeeb0b7620cd0e48ede66e832373336d108790
SHA256

477a255eb42308eeb8e4ac06e706a9781c1298517f012858fe210d8cf50f56f7
SHA512

7830a820ba1fc37a6ec6fa94ab7ac99eab425266ef49977f8e3530cbb635a6047bf0fe981685d5e530539f278afcdc5c844c32763d6145877e3ed3b7dc15ce60
SSDEEP

3072:SKcWmjRrz3JeqNmuLwpnPiPDjxB2+aFj1EoMI:hGUqNmJZPIj768I

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4908	AsSgpErauwnL7VX.exe
4652	CTS.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4260-0-0x00000000002E0000-0x00000000002F7000-memory.dmp	upx
behavioral2/memory/4652-9-0x00000000008A0000-0x00000000008B7000-memory.dmp	upx
behavioral2/memory/4260-7-0x00000000002E0000-0x00000000002F7000-memory.dmp	upx
behavioral2/files/0x0008000000023204-6.dat	upx

Adds Run key to start application 2 TTPs 2 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\CTS = "C:\\Windows\\CTS.exe"	5199b147565b382d68e63f7d1d30926a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	5199b147565b382d68e63f7d1d30926a.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4260	5199b147565b382d68e63f7d1d30926a.exe
Token: SeDebugPrivilege	4652	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4260 wrote to memory of 4908	4260	5199b147565b382d68e63f7d1d30926a.exe	19
PID 4260 wrote to memory of 4908	4260	5199b147565b382d68e63f7d1d30926a.exe	19
PID 4260 wrote to memory of 4908	4260	5199b147565b382d68e63f7d1d30926a.exe	19
PID 4260 wrote to memory of 4652	4260	5199b147565b382d68e63f7d1d30926a.exe	17
PID 4260 wrote to memory of 4652	4260	5199b147565b382d68e63f7d1d30926a.exe	17
PID 4260 wrote to memory of 4652	4260	5199b147565b382d68e63f7d1d30926a.exe	17

C:\Users\Admin\AppData\Local\Temp\5199b147565b382d68e63f7d1d30926a.exe
"C:\Users\Admin\AppData\Local\Temp\5199b147565b382d68e63f7d1d30926a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4260
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4652
- C:\Users\Admin\AppData\Local\Temp\AsSgpErauwnL7VX.exe
  C:\Users\Admin\AppData\Local\Temp\AsSgpErauwnL7VX.exe
  2⤵
  - Executes dropped EXE
  PID:4908

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/4260-0-0x00000000002E0000-0x00000000002F7000-memory.dmp

Filesize
92KB

Download
memory/4260-7-0x00000000002E0000-0x00000000002F7000-memory.dmp

Filesize
92KB

Download
memory/4652-9-0x00000000008A0000-0x00000000008B7000-memory.dmp

Filesize
92KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads