af6f6618d0587d510a90d9443c83cd03ae01a05b5aaf5ca8f6998c4dea593337

Analysis

max time kernel
15s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 06:58

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General

Target

61ee60da4584d6c14e2ff83fb96ee8d0N.exe
Size

254KB
MD5

61ee60da4584d6c14e2ff83fb96ee8d0
SHA1

9d8dc6f72e2ea981e1fc28be3bfa4067f21c15a2
SHA256

af6f6618d0587d510a90d9443c83cd03ae01a05b5aaf5ca8f6998c4dea593337
SHA512

66102382e7eab8d96134d946e7b4d1a4762923768122c50d42661e8552038bc445d700d9f9ffae0fa6189d9368d10f24ca6e373bdc77ed16a930467863444cf4
SSDEEP

6144:GjYKlAhUBVB3pQOS+hENlFgy81B9fAd0RPhQgXi0qOt+xCi:GjYRm7QOS+ynFgDS0ZYtOt6R

Score

7^/10

discovery persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2264	CTS.exe
2912	UTZYRMNvUj0OBHI.exe

Loads dropped DLL 1 IoCs

pid	Process
2516	61ee60da4584d6c14e2ff83fb96ee8d0N.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"	61ee60da4584d6c14e2ff83fb96ee8d0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	61ee60da4584d6c14e2ff83fb96ee8d0N.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	61ee60da4584d6c14e2ff83fb96ee8d0N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2516	61ee60da4584d6c14e2ff83fb96ee8d0N.exe
Token: SeDebugPrivilege	2264	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2912	2516	61ee60da4584d6c14e2ff83fb96ee8d0N.exe	30
PID 2516 wrote to memory of 2912	2516	61ee60da4584d6c14e2ff83fb96ee8d0N.exe	30
PID 2516 wrote to memory of 2912	2516	61ee60da4584d6c14e2ff83fb96ee8d0N.exe	30
PID 2516 wrote to memory of 2912	2516	61ee60da4584d6c14e2ff83fb96ee8d0N.exe	30
PID 2516 wrote to memory of 2264	2516	61ee60da4584d6c14e2ff83fb96ee8d0N.exe	31
PID 2516 wrote to memory of 2264	2516	61ee60da4584d6c14e2ff83fb96ee8d0N.exe	31
PID 2516 wrote to memory of 2264	2516	61ee60da4584d6c14e2ff83fb96ee8d0N.exe	31
PID 2516 wrote to memory of 2264	2516	61ee60da4584d6c14e2ff83fb96ee8d0N.exe	31

C:\Users\Admin\AppData\Local\Temp\61ee60da4584d6c14e2ff83fb96ee8d0N.exe
"C:\Users\Admin\AppData\Local\Temp\61ee60da4584d6c14e2ff83fb96ee8d0N.exe"
1⤵
- Loads dropped DLL
- 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:2516
- C:\Users\Admin\AppData\Local\Temp\UTZYRMNvUj0OBHI.exe
  C:\Users\Admin\AppData\Local\Temp\UTZYRMNvUj0OBHI.exe
  2⤵
  - Executes dropped EXE
  PID:2912
- 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:2264

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:\Windows\CTS.exe

Filesize
86KB

MD5
0f736d30fbdaebed364c4cd9f084e500

SHA1
d7e96b736463af4b3edacd5cc5525cb70c593334

SHA256
431b7f30b7f8d520f69066b03b8dccbb35a6cb40a53c5e2320c6b5acf96b2e34

SHA512
570a2f76d653414fedc12ed486f2bf0333dc860f52d70faa895d6b9951ac185317637d7b076e05c932f4c536259e19a952a716e9516d506d2a19de73c50f2566

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\Users\Admin\AppData\Local\Temp\UTZYRMNvUj0OBHI.exe

Filesize
168KB

MD5
17275206102d1cf6f17346fd73300030

SHA1
bbec93f6fb2ae56c705efd6e58d6b3cc68bf1166

SHA256
dead0ebd5b5bf5d4b0e68ba975e9a70f98820e85d056b0a6b3775fc4df4da0f6

SHA512
ce14a4f95328bb9ce437c5d79084e9d647cb89b66cde86a540b200b1667edc76aa27a36061b6e2ceccecb70b9a011b4bd54040e2a480b8546888ba5cc84a01b3

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads