57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90

Analysis

max time kernel
142s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
21/04/2024, 21:58

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General

Target

57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe
Size

71KB
MD5

2bdfba07cc1c935077f3a4b67044c3d2
SHA1

de8b5fb9c058791926a4cfd440caf14cbacdf0a8
SHA256

57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90
SHA512

e18e2659da3c5b0c4804251c159b6de22b64f8becc58f7631877dbc5c804f97efda416a141071245e456d5b016dc80d6ec93be622f88aa3475655ddb4dfdfee4
SSDEEP

1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTe:ZhpAyazIlyazTe

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1940	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"	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.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	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1672	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe
Token: SeDebugPrivilege	1940	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 1940	1672	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe	86
PID 1672 wrote to memory of 1940	1672	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe	86
PID 1672 wrote to memory of 1940	1672	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe	86

C:\Users\Admin\AppData\Local\Temp\57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe
"C:\Users\Admin\AppData\Local\Temp\57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1672
- 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:1940

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

Replay Monitor

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Downloads

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

Filesize
71KB

MD5
a3f97aa8be6fd77f3097f98ca6471cda

SHA1
82b65789ad0bf6411796d85dae961c26dd5196f5

SHA256
f04ba07c7f9245f94da45046a56760f24e8bc297725e4c9f6782d2cd01c0371d

SHA512
174aafabf8d5f08cae2cb38c5cefc2caa0f4e9b83417effbda3bae5b1eec344d2c0a0acfd4e75244ccf9db56227519f5b556b0b68b5b60253e618310b21cd100

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C:\Users\Admin\AppData\Local\Temp\P2uq29pZhbH3S4j.exe

Filesize
71KB

MD5
19f28ac767bc580200939942314b3a33

SHA1
774d38a1b218c29a35e8bf68db73e6853cf8ab80

SHA256
8eae2f4c1ea524c2e31d7abc686619554775ae05a9e85ad757dd2cd0959085f8

SHA512
716721f3cf55d81e340794abf06c958ba0c3ae69a4e4f989b804eeca6a05766de6e6d967a84b8b12e3e496eface1b537031582903ae7a3cc56c07fc6eff7f752

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
66df4ffab62e674af2e75b163563fc0b

SHA1
dec8a197312e41eeb3cfef01cb2a443f0205cd6e

SHA256
075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

SHA512
1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads