5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c

Analysis

max time kernel
145s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/04/2024, 21:32

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General

Target
5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c.exe
Size 290KB
Sample240407-1dzbpafc84
SHA256 5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c
MD5 e034af31b21b5dae15f04513afd212ce
SHA1 d6e2f303752a1653bf9cad99f937a6732c66a556
SHA512 4ff2582ab4219d3ac0d93cc6d1b7a915b341576d667752ddd59a5788688cf1f4f6a771ffe1f12dabab9d01d2688724c926a1bb1d9c39e68763c081e8e36e66be
SSDEEP 6144:hZMazPBNsOphhNtSwj2JwodEklJqyuimou1Pz0wN:hS0PXntSwaTi+ZuiZqN
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4276	fSVvX135UbMTWgI.exe
1648	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"	5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c.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	5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1084	5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c.exe
Token: SeDebugPrivilege	1648	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 4276	1084	5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c.exe	86
PID 1084 wrote to memory of 4276	1084	5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c.exe	86
PID 1084 wrote to memory of 1648	1084	5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c.exe	87
PID 1084 wrote to memory of 1648	1084	5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c.exe	87
PID 1084 wrote to memory of 1648	1084	5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c.exe	87

C:\Users\Admin\AppData\Local\Temp\5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c.exe
"C:\Users\Admin\AppData\Local\Temp\5ec7f04b006513571b6cb8f5d3bfbc135cfe0e90e1eb4177026eccb2a0c52f4c.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Users\Admin\AppData\Local\Temp\fSVvX135UbMTWgI.exe
  C:\Users\Admin\AppData\Local\Temp\fSVvX135UbMTWgI.exe
  2⤵
  - Executes dropped EXE
  PID:4276
- 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:1648

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

excel.exe_Rules.xml

Path C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Size 392KB
SHA256 bb239b4f19931ff4e9d76883b142c83fe355aab9676ca01df88651707386241b
MD5 e1a1a13a6f997f002b3bd736bb346502
SHA1 56a020b7f48ae5bb41831d640aad1adb0b20805a
SHA512 3358ef20e411e73c93a7f98e6f37106b24e2c0f3f01e95e46601a74019a47c3746c6ef7af4d289768644da9c5c6795453ad46cdc434d78c7590dd383ecdd6be0
SSDEEP 6144:hZMazzlY2e24LKm1QrBgCXyUmDXca22n0YxE9jWdWhSMdec/wvHRr7yV0:hS0q20KJNvXGDXn2XYxE9ydrc/kRr7a0
MD5 SHA1 SHA512 SSDEEP

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fSVvX135UbMTWgI.exe

Path C:\Users\Admin\AppData\Local\Temp\fSVvX135UbMTWgI.exe
Size 219KB
SHA256 84fe7824717bb55d7f32c7487e37012a1bc6cd4c8c0202be4bfb07e770f8dc51
MD5 e2312f199976d03a7cf41e453c5af246
SHA1 c723bf05f7132c9b66c4f91d6cc363d08b4ed622
SHA512 a5cad97d8bcf893b79eed436ae8df232d7e53df86a0ed38b381c128c5d8c76c0caad41407ed564f2ea2725236eb98ea6d29413886ea22371920bf2b498b49686
SSDEEP 6144:MjDWxgkiRaxBgV48MzA69VDEz5yTB5xAuFQfaT:MvWxjwOJ6z4Tfx9QfM
MD5 SHA1 SHA512 SSDEEP

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CTS.exe

Path C:\Windows\CTS.exe
Size 71KB
SHA256 075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163
MD5 66df4ffab62e674af2e75b163563fc0b
SHA1 dec8a197312e41eeb3cfef01cb2a443f0205cd6e
SHA512 1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25
SSDEEP 1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazT:ZhpAyazIlyazT
MD5 SHA1 SHA512 SSDEEP

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads