d0051eec84e965bcc80b3d5cbcabfff3a92ad475d6a7b45d8fd2fd37cbe6bed5

Analysis

max time kernel
127s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240220-en
resource tags

arch:x64arch:x86image:win10v2004-20240220-enlocale:en-usos:windows10-2004-x64system
submitted
20/02/2024, 14:37

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General

Target

VirusSign.2024.02.08/0366d8bc8e9bd5e64e301190356e79ff.exe
Size

166KB
MD5

0366d8bc8e9bd5e64e301190356e79ff
SHA1

9adedc7fc2ebda1f218ef124d7e90f0594d3ca54
SHA256

b2244a1c65a5f4ce4cea6a9c9c85f7ef9dd7a9e8f4b32f62322994ffbbaaa456
SHA512

a5eb7565a4b19faa08d6c1c162310f633625bd93aca8083f69daac4c1ef207b3871c87597e18f1b4e2b35f7a14b187c38fc49b766975aa829c290e2df15833bc
SSDEEP

3072:ZhpAyazIlyazTUQT2y70GtgYn47tviPIVIk15lHxUv0NFxrC:hZMazDj7ltB474PIV715lHx+MDC

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4884	3HJmas7g7m70hLV.exe
4572	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"	0366d8bc8e9bd5e64e301190356e79ff.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	0366d8bc8e9bd5e64e301190356e79ff.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4500	0366d8bc8e9bd5e64e301190356e79ff.exe
Token: SeDebugPrivilege	4572	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4500 wrote to memory of 4884	4500	0366d8bc8e9bd5e64e301190356e79ff.exe	85
PID 4500 wrote to memory of 4884	4500	0366d8bc8e9bd5e64e301190356e79ff.exe	85
PID 4500 wrote to memory of 4884	4500	0366d8bc8e9bd5e64e301190356e79ff.exe	85
PID 4500 wrote to memory of 4572	4500	0366d8bc8e9bd5e64e301190356e79ff.exe	84
PID 4500 wrote to memory of 4572	4500	0366d8bc8e9bd5e64e301190356e79ff.exe	84
PID 4500 wrote to memory of 4572	4500	0366d8bc8e9bd5e64e301190356e79ff.exe	84

C:\Users\Admin\AppData\Local\Temp\VirusSign.2024.02.08\0366d8bc8e9bd5e64e301190356e79ff.exe
"C:\Users\Admin\AppData\Local\Temp\VirusSign.2024.02.08\0366d8bc8e9bd5e64e301190356e79ff.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4500
- 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:4572
- C:\Users\Admin\AppData\Local\Temp\3HJmas7g7m70hLV.exe
  C:\Users\Admin\AppData\Local\Temp\3HJmas7g7m70hLV.exe
  2⤵
  - Executes dropped EXE
  PID:4884

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

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

Filesize
397KB

MD5
fabe88620572be26a4dc7bf980231edc

SHA1
8cfde4286f82760fc2708fb3d69d5d605fe9ec65

SHA256
1b89913a39fb659389ffd6428344e64dede84240da21fd219b277e291484c23b

SHA512
7744ffc00f0edefa6ce050077a8324f99d1c3b04eda8205eed5be7fd6d1ed69471a787b8961c6ffb6048927f830e45398fa6008254e6bc53b9a88b65058ac038

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C:\Users\Admin\AppData\Local\Temp\3HJmas7g7m70hLV.exe

Filesize
95KB

MD5
07894acc08732f8b6adade78d3038376

SHA1
c6f8034e2e8183d35d3f2b035405294ee01fa273

SHA256
6b4195e640a85ac32eb6f9628822a622057df1e459df7c17a12f97aeabc9415b

SHA512
3064c16fa08afc16c467b2923367a0e893e63b65a8b1877899c728ca2862cdf656b24573fffa706563551322a25d2a4b30e62a21e26e6fe4795a016fff9151c1

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

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Downloads