6f768b87411c812191735e1e57fc8a2a153f1cb3fbff909cf5e96ce445afd0e0

Analysis

max time kernel
120s
max time network
142s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
14-10-2023 19:09

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General

Target

NEAS.b4fecd7c6030c9ff2b339c4e9c43c350.exe
Size

76KB
MD5

b4fecd7c6030c9ff2b339c4e9c43c350
SHA1

eaa782db84b6c3f4cda05d3ea6027effb7fccc7a
SHA256

6f768b87411c812191735e1e57fc8a2a153f1cb3fbff909cf5e96ce445afd0e0
SHA512

53921852ce4d3e421d425f90e84bd48b0295f4da5bb22f345745c454d15f43c70233ebe0302022a156358284ffd7cf67fcc4541378dc77abc8b169de9e07584b
SSDEEP

1536:Fc897EsWjcd9w+AyabjDbxE+MwmvlDuazTME:ZxpAyazIlyazTME

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2936	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"	NEAS.b4fecd7c6030c9ff2b339c4e9c43c350.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	NEAS.b4fecd7c6030c9ff2b339c4e9c43c350.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	NEAS.b4fecd7c6030c9ff2b339c4e9c43c350.exe
Token: SeDebugPrivilege	2936	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2140 wrote to memory of 2936	2140	NEAS.b4fecd7c6030c9ff2b339c4e9c43c350.exe	27
PID 2140 wrote to memory of 2936	2140	NEAS.b4fecd7c6030c9ff2b339c4e9c43c350.exe	27
PID 2140 wrote to memory of 2936	2140	NEAS.b4fecd7c6030c9ff2b339c4e9c43c350.exe	27
PID 2140 wrote to memory of 2936	2140	NEAS.b4fecd7c6030c9ff2b339c4e9c43c350.exe	27

C:\Users\Admin\AppData\Local\Temp\NEAS.b4fecd7c6030c9ff2b339c4e9c43c350.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.b4fecd7c6030c9ff2b339c4e9c43c350.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2140
- 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:2936

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\Temp\wep30YsuvfUDOjm.exe

Filesize
76KB

MD5
648cff5df40e4651b57fd311d1d5e877

SHA1
ed60fa13ec37eb964632d00f942c7e8a0e320184

SHA256
181cd4c9114384836e1e99c79c9d26aa4b6d429070ce70b1c716f0d13c6637be

SHA512
45f43f2262d60909fbd4d2aa113aadd003a217ae583ec71d6e448510b0f592ce96823f75ecb98e854440b3587b03761a328d25415fe2d901f10df59eab137dc2

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
f53a5c9ca2e3837485afaba90a4cd7e2

SHA1
5b02231c979d9af0990294094113aca1de3fb8b4

SHA256
479450abbbb7bded1c00cceb20497fc90f6156325b86401505b50739075a63ba

SHA512
4c0c8ec807e458f5fe9407796307d43ae109047a133d08ef3ce86b726646749dcce6802a85a9a3186c9837afd1e8b0d040f74d6034865a1e2a62f28c4e8e3c78

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
f53a5c9ca2e3837485afaba90a4cd7e2

SHA1
5b02231c979d9af0990294094113aca1de3fb8b4

SHA256
479450abbbb7bded1c00cceb20497fc90f6156325b86401505b50739075a63ba

SHA512
4c0c8ec807e458f5fe9407796307d43ae109047a133d08ef3ce86b726646749dcce6802a85a9a3186c9837afd1e8b0d040f74d6034865a1e2a62f28c4e8e3c78

Download Submit
C:\Windows\CTS.exe

Filesize
71KB

MD5
f53a5c9ca2e3837485afaba90a4cd7e2

SHA1
5b02231c979d9af0990294094113aca1de3fb8b4

SHA256
479450abbbb7bded1c00cceb20497fc90f6156325b86401505b50739075a63ba

SHA512
4c0c8ec807e458f5fe9407796307d43ae109047a133d08ef3ce86b726646749dcce6802a85a9a3186c9837afd1e8b0d040f74d6034865a1e2a62f28c4e8e3c78

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads