8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ce

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
1120	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"	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.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	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	CTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4484	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe
Token: SeDebugPrivilege	1120	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 1120	4484	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe	82
PID 4484 wrote to memory of 1120	4484	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe	82
PID 4484 wrote to memory of 1120	4484	8a51e546c8cd44760268bae706247a39c7e96bdd9a96723aa5ac68c43aa129ceN.exe	82

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:4484
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1120

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
408KB

MD5
c29f1403317a744d19698ef509f25b33

SHA1
fb4968136dfeb2a074b2147f182715e55dca6db0

SHA256
975a0dd8f46e9f95666fe8e032f0328d2eca58af67461ba6afaf976ccbada8e7

SHA512
bd98d13ccdbeef220cc310d8a6e3549611e77a0a90bdfdfc608eefa774e4d1f2b1384163879f86cb7a36d53e7372881ff7aa0b690785db52d005fd678c443ba8

Download Submit
C:\Users\Admin\AppData\Local\Temp\F4q6stwEtnsOAJI.exe

Filesize
899KB

MD5
dc03fd040e97fa75c83160c128a18b43

SHA1
f46ab945df0fbe955fe829729942ea42bca8efbe

SHA256
ceaf800e7f77b902d854261a9400a5c6017ffe6ae44b24aad78219f751e7ac57

SHA512
5c9a6ae13b731e2e11a03971247844ba1cf96f4e4a8230b94da474dfe1a26d358f7599622897ee8bebc0feb51f506d17e85179e044841fa2dc19f9dac7adc38f

Download Submit
C:\Windows\CTS.exe

Filesize
86KB

MD5
0f736d30fbdaebed364c4cd9f084e500

SHA1
d7e96b736463af4b3edacd5cc5525cb70c593334

SHA256
431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34

SHA512
570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads