93579071f3703719bbe3cee73a51df9748d76dff3952c8d99938a5a4024fb448

Analysis

max time kernel
143s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 22:37

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General

Target

1eaf517587cd6a62256ab3ba83c77e7a.exe
Size

173KB
MD5

1eaf517587cd6a62256ab3ba83c77e7a
SHA1

e8448d4a60d710c328a6a7a455dd9928930d0a2a
SHA256

93579071f3703719bbe3cee73a51df9748d76dff3952c8d99938a5a4024fb448
SHA512

68b43f8cc18d46a2fe91e75a7fa0460fa8c7c5b31769959263e3d91eb59fce4a7ba8be1d5e3023215445da575291e849fb47d7661ecff819cf5797390163056b
SSDEEP

3072:sr3KcWmjRrzSdr3KcWmjRrzSTWGasnWHMccYGlWRXrCIkN5pJlV1CDi:/CyGIsYjCl5/n1CDi

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4728	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/1468-0-0x0000000000910000-0x0000000000927000-memory.dmp	upx
behavioral2/memory/4728-9-0x00000000007D0000-0x00000000007E7000-memory.dmp	upx
behavioral2/memory/1468-7-0x0000000000910000-0x0000000000927000-memory.dmp	upx
behavioral2/memory/4728-31-0x00000000007D0000-0x00000000007E7000-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"	1eaf517587cd6a62256ab3ba83c77e7a.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	1eaf517587cd6a62256ab3ba83c77e7a.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1468	1eaf517587cd6a62256ab3ba83c77e7a.exe
Token: SeDebugPrivilege	4728	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1468 wrote to memory of 4728	1468	1eaf517587cd6a62256ab3ba83c77e7a.exe	17
PID 1468 wrote to memory of 4728	1468	1eaf517587cd6a62256ab3ba83c77e7a.exe	17
PID 1468 wrote to memory of 4728	1468	1eaf517587cd6a62256ab3ba83c77e7a.exe	17

C:\Users\Admin\AppData\Local\Temp\1eaf517587cd6a62256ab3ba83c77e7a.exe
"C:\Users\Admin\AppData\Local\Temp\1eaf517587cd6a62256ab3ba83c77e7a.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1468
- 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:4728

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/1468-0-0x0000000000910000-0x0000000000927000-memory.dmp

Filesize
92KB

Download
memory/1468-7-0x0000000000910000-0x0000000000927000-memory.dmp

Filesize
92KB

Download
memory/4728-9-0x00000000007D0000-0x00000000007E7000-memory.dmp

Filesize
92KB

Download
memory/4728-31-0x00000000007D0000-0x00000000007E7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads