8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ce

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 06:51

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General

Target

8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe
Size

899KB
MD5

002574290c2a37bb51f65b460f5d10e0
SHA1

36a6549ca503107e6f4dcb5b0c66671a34e3cc0a
SHA256

8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ce
SHA512

22116226e1ddc0dbed32c6c7fd4e38c0a1f62077ccb77ae246314e4259317bae62c10615f58daf6c02c412bdfcbbb58be9e585ecd9c6ffd97677cefd8aff77f8
SSDEEP

12288:GjYRm7QOUFxrieZfSQOL7w9pBCf75PalFJfiPpjZc5RsLzVjy3Z8hd8MGV0X0pSz:G0jFFwek7UdCKDmNc5K5/hd85rc+iL1

Score

7^/10

discovery persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2732	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

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"	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2160	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe
Token: SeDebugPrivilege	2732	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2732	2160	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe	29
PID 2160 wrote to memory of 2732	2160	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe	29
PID 2160 wrote to memory of 2732	2160	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe	29
PID 2160 wrote to memory of 2732	2160	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe	29

C:\Users\Admin\AppData\Local\Temp\8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe
"C:\Users\Admin\AppData\Local\Temp\8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2160
- 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:2732

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\m0lFn7UAqrA9qVH.exe

Filesize
899KB

MD5
b8030ae8b166dc359587b89e8b77b680

SHA1
320f915aab4eb5c9f750c994183d628be1c4bfb1

SHA256
17d632e3f1bb8d3a6ce7db361ac9ef30ec428eef6614af76fee78d30da1f3709

SHA512
c867c4358e4b0b090d3150126ba3622a7a5e7e46417dfdd917d27b27e31668f10a96b62a17780a1a60da40d25fab41c5806ed583e2e681ded771e90368fab86f

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C:\Windows\CTS.exe

Filesize
86KB

MD5
0f736d30fbdaebed364c4cd9f084e500

SHA1
d7e96b736463af4b3edacd5cc5525cb70c593334

SHA256
431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34

SHA512
570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads