205e04904adb0f578b46e269a0237816d8af86bd5ab150346d7be8573739bec2

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 08:00

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General

Target

12db93683daa0983232532f58aeaacd3.exe
Size

78KB
MD5

12db93683daa0983232532f58aeaacd3
SHA1

b6173670bafe36ff60f798e70410ef73e1cbada7
SHA256

205e04904adb0f578b46e269a0237816d8af86bd5ab150346d7be8573739bec2
SHA512

eb7a65cefc9b8bf5cae076978c7ac875759a3d3d6a955fa1d2e6b7fc69e31fadd1a0210bebb92180d36097e33ca9fc7c7e962d194adc02901319fa5ca39ac016
SSDEEP

1536:SKcR4mjD9r823FHKcR4mjD9r823F6eA/2/NY5W7uV:SKcWmjRrz3ZKcWmjRrz33A95W7uV

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4592	nrzgcNICSjQWMRP.exe
2380	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 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3796-0-0x0000000001000000-0x0000000001017000-memory.dmp	upx
behavioral2/memory/2380-9-0x0000000000E60000-0x0000000000E77000-memory.dmp	upx
behavioral2/memory/3796-7-0x0000000001000000-0x0000000001017000-memory.dmp	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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	12db93683daa0983232532f58aeaacd3.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	12db93683daa0983232532f58aeaacd3.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3796	12db93683daa0983232532f58aeaacd3.exe
Token: SeDebugPrivilege	2380	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3796 wrote to memory of 4592	3796	12db93683daa0983232532f58aeaacd3.exe	22
PID 3796 wrote to memory of 4592	3796	12db93683daa0983232532f58aeaacd3.exe	22
PID 3796 wrote to memory of 2380	3796	12db93683daa0983232532f58aeaacd3.exe	15
PID 3796 wrote to memory of 2380	3796	12db93683daa0983232532f58aeaacd3.exe	15
PID 3796 wrote to memory of 2380	3796	12db93683daa0983232532f58aeaacd3.exe	15

C:\Users\Admin\AppData\Local\Temp\12db93683daa0983232532f58aeaacd3.exe
"C:\Users\Admin\AppData\Local\Temp\12db93683daa0983232532f58aeaacd3.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3796
- 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:2380
- C:\Users\Admin\AppData\Local\Temp\nrzgcNICSjQWMRP.exe
  C:\Users\Admin\AppData\Local\Temp\nrzgcNICSjQWMRP.exe
  2⤵
  - Executes dropped EXE
  PID:4592

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/2380-9-0x0000000000E60000-0x0000000000E77000-memory.dmp

Filesize
92KB

Download
memory/3796-0-0x0000000001000000-0x0000000001017000-memory.dmp

Filesize
92KB

Download
memory/3796-7-0x0000000001000000-0x0000000001017000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads