061b0c5ab36a2c5e41fc4c0bf0b7d9e2800f7ace6a1fbcc372c57ab8c8e0c585

Analysis

max time kernel
140s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2023, 02:48

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General

Target

fec1b90dc2667d75eaf54689eed43d08.exe
Size

71KB
MD5

fec1b90dc2667d75eaf54689eed43d08
SHA1

dd04ef5f67d1598e909bd0150de2340626f8a5f5
SHA256

061b0c5ab36a2c5e41fc4c0bf0b7d9e2800f7ace6a1fbcc372c57ab8c8e0c585
SHA512

ba723a6b66102d2ef14c6ae2b17cea37ecee00926c020a5e1b3dab20168df259d1362396307d006ce279450dfbc5dcc6c86ecaedbda16bbd1f795fbf10433634
SSDEEP

1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTL:ZhpAyazIlyazTL

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4860	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"	fec1b90dc2667d75eaf54689eed43d08.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	fec1b90dc2667d75eaf54689eed43d08.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4368	fec1b90dc2667d75eaf54689eed43d08.exe
Token: SeDebugPrivilege	4860	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4368 wrote to memory of 4860	4368	fec1b90dc2667d75eaf54689eed43d08.exe	81
PID 4368 wrote to memory of 4860	4368	fec1b90dc2667d75eaf54689eed43d08.exe	81
PID 4368 wrote to memory of 4860	4368	fec1b90dc2667d75eaf54689eed43d08.exe	81

C:\Users\Admin\AppData\Local\Temp\fec1b90dc2667d75eaf54689eed43d08.exe
"C:\Users\Admin\AppData\Local\Temp\fec1b90dc2667d75eaf54689eed43d08.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4368
- 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:4860

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\excel.exe_Rules.xml

Filesize
393KB

MD5
25bf917e4dbbc85b14e04088645065e8

SHA1
a80138bd542b0dd918c96ced9eb6b40b041a84eb

SHA256
b34e737ccef44f6d1755b4c41166dd287ec9ef022dbd04480ef9fbc056b0f82a

SHA512
2e1f55607aee4e485754a3d38d400bc57f68b525effcdc7220dbdd40f4fa18498d2f138d5169baffceb2912fc6155f34bd81354c9e1106f71c1ddc8597f4769e

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

Filesize
71KB

MD5
fc140e0293e520033a5b6a11db025ead

SHA1
95955d5a093b93a9900d1e85fef2e55ecb72ef07

SHA256
ea8dcfccfa5530f27e6ebb9bcfdfd5525174b894edbe11b01490901325badd5c

SHA512
f60aedf458e711201328607f53ace97c9aa0c049cfd3a9dc873e88c61662ccb5042a2aa8e8ceb49f7579b2d9648d0dc829543969c9be4e2ca02a33f73653d11c

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
66df4ffab62e674af2e75b163563fc0b

SHA1
dec8a197312e41eeb3cfef01cb2a443f0205cd6e

SHA256
075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

SHA512
1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
66df4ffab62e674af2e75b163563fc0b

SHA1
dec8a197312e41eeb3cfef01cb2a443f0205cd6e

SHA256
075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

SHA512
1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads