e8808ce1e7aafcec2d86e2bc460967ddad0e68eca9d6e0fcb7da9152a6242bee

Analysis

max time kernel
143s
max time network
89s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 02:48

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General

Target

2518e720799fd75de7ab539020cee089.exe
Size

75KB
MD5

2518e720799fd75de7ab539020cee089
SHA1

c546865a5f395704271b98b14ae5c91e41fb4714
SHA256

e8808ce1e7aafcec2d86e2bc460967ddad0e68eca9d6e0fcb7da9152a6242bee
SHA512

5dba192d7ca5f8beccfa5a37f38cd306e54aaef0e419c16efec5f22ece53e1036aa3aaab300d9710a2c1b9a0775d009915422af24be0b816c45c92ce62492133
SSDEEP

1536:SKcR4mjD9r823FHKcR4mjD9r823Fc4/NtRV9b8cVG2:SKcWmjRrz3ZKcWmjRrz3KE8cH

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
3708	SEszp5zTybjEtaB.exe
1328	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/224-0-0x0000000000300000-0x0000000000317000-memory.dmp	upx
behavioral2/memory/1328-9-0x0000000000EF0000-0x0000000000F07000-memory.dmp	upx
behavioral2/memory/224-7-0x0000000000300000-0x0000000000317000-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"	2518e720799fd75de7ab539020cee089.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	2518e720799fd75de7ab539020cee089.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	224	2518e720799fd75de7ab539020cee089.exe
Token: SeDebugPrivilege	1328	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 3708	224	2518e720799fd75de7ab539020cee089.exe	21
PID 224 wrote to memory of 3708	224	2518e720799fd75de7ab539020cee089.exe	21
PID 224 wrote to memory of 1328	224	2518e720799fd75de7ab539020cee089.exe	19
PID 224 wrote to memory of 1328	224	2518e720799fd75de7ab539020cee089.exe	19
PID 224 wrote to memory of 1328	224	2518e720799fd75de7ab539020cee089.exe	19

C:\Users\Admin\AppData\Local\Temp\2518e720799fd75de7ab539020cee089.exe
"C:\Users\Admin\AppData\Local\Temp\2518e720799fd75de7ab539020cee089.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:224
- 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:1328
- C:\Users\Admin\AppData\Local\Temp\SEszp5zTybjEtaB.exe
  C:\Users\Admin\AppData\Local\Temp\SEszp5zTybjEtaB.exe
  2⤵
  - Executes dropped EXE
  PID:3708

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/224-0-0x0000000000300000-0x0000000000317000-memory.dmp

Filesize
92KB

Download
memory/224-7-0x0000000000300000-0x0000000000317000-memory.dmp

Filesize
92KB

Download
memory/1328-9-0x0000000000EF0000-0x0000000000F07000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads