56ac86f444037f33eb84d1c4bf10ed74bbbba3a73da2d64f4608b27efef60866

Analysis

max time kernel
120s
max time network
129s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 22:26

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General

Target
64cb42720817fd92283fc9dfac1e96dd1518d3ac0cd542701e14938f900b212c.exe
Size 205KB
Sample240308-2cw1lsaa51
SHA256 64cb42720817fd92283fc9dfac1e96dd1518d3ac0cd542701e14938f900b212c
MD5 ea5bdba28c25ce240630a7a9de2d77e9
SHA1 fdbc9bbb4b35094670b74800fe249831786c8f48
SHA512 c5f8d4ba0956178acd3ae382a4dcedb68e9bc6482f8d874d0f2d9f90ef15eb8dabc97b910e9616d49f4b144af63ac68473a81a5a57f246a1993b538487b84e8f
SSDEEP 3072:ZRpAyazIliazTh+r/0XzhtQtfElMyQD7i9WdBfBqQGAG7G0qNACPPd1cs5/yZh/8:xZ8azQru/QtfEC40LfBqsG9rCrt/Q58
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2076	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"	64cb42720817fd92283fc9dfac1e96dd1518d3ac0cd542701e14938f900b212c.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	64cb42720817fd92283fc9dfac1e96dd1518d3ac0cd542701e14938f900b212c.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2380	64cb42720817fd92283fc9dfac1e96dd1518d3ac0cd542701e14938f900b212c.exe
Token: SeDebugPrivilege	2076	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2076	2380	64cb42720817fd92283fc9dfac1e96dd1518d3ac0cd542701e14938f900b212c.exe	28
PID 2380 wrote to memory of 2076	2380	64cb42720817fd92283fc9dfac1e96dd1518d3ac0cd542701e14938f900b212c.exe	28
PID 2380 wrote to memory of 2076	2380	64cb42720817fd92283fc9dfac1e96dd1518d3ac0cd542701e14938f900b212c.exe	28
PID 2380 wrote to memory of 2076	2380	64cb42720817fd92283fc9dfac1e96dd1518d3ac0cd542701e14938f900b212c.exe	28

C:\Users\Admin\AppData\Local\Temp\64cb42720817fd92283fc9dfac1e96dd1518d3ac0cd542701e14938f900b212c.exe
"C:\Users\Admin\AppData\Local\Temp\64cb42720817fd92283fc9dfac1e96dd1518d3ac0cd542701e14938f900b212c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2380
- 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:2076

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

gzvPRYgn8FM3c3J.exe

Path C:\Users\Admin\AppData\Local\Temp\gzvPRYgn8FM3c3J.exe
Size 205KB
SHA256 93ad4f64325cdab46cb95463da8b80154365ab37bac6bd490962b512558f98c1
MD5 38a4549d7b34ce147f9feb5ed9f20d13
SHA1 c806eeb9ecae9fa68b562344c4398388ebfa78f4
SHA512 83957800c47a2e9ccd747b812b1fa743311b12acd41beccefc69fccc509b9d56eff6eea9c028a5596f9a416a717fd0e66f4fb9bf9d85afeb6d8eafc624d53438
SSDEEP 3072:rTDAXURDA9LFUVH0s1OBLKWo5ihusoCZONMSgeV9B82v3Sb1VqZf:HEqVH0sl2up0leV9B8Oe/e
MD5 SHA1 SHA512 SSDEEP

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc
MD5 f9d4ab0a726adc9b5e4b7d7b724912f1
SHA1 3d42ca2098475924f70ee4a831c4f003b4682328
SHA512 22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432
SSDEEP 1536:Fc8N7UsWjcd9w+AyabjDbxE+MwmvlzuazT:ZRpAyazIliazT
MD5 SHA1 SHA512 SSDEEP

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads