b8142f884604f1bc9fcb4e57c73852e68104d237cf86870077c0f67ab98c16a7

Analysis

max time kernel
142s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 07:09

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General

Target

11c74b911510fb248c406f77542db7e8.exe
Size

59KB
MD5

11c74b911510fb248c406f77542db7e8
SHA1

1ea2f82d672e8e39f3662946b2cca0cbbbd06a08
SHA256

b8142f884604f1bc9fcb4e57c73852e68104d237cf86870077c0f67ab98c16a7
SHA512

9fa0f68c2a3254401bf6f7dbba54d0bfa72da21accbbdf17182594494f7b985ce213d202a67ef796327dbdb820901ec1d675474b9cf6553ef621f3b6ebd7db02
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3Q:SKcR4mjD9r823FHKcR4mjD9r823Ff

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2752	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

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1364-0-0x0000000000F50000-0x0000000000F67000-memory.dmp	upx
behavioral1/memory/1364-5-0x0000000000120000-0x0000000000137000-memory.dmp	upx
behavioral1/memory/2752-12-0x0000000000E50000-0x0000000000E67000-memory.dmp	upx
behavioral1/memory/1364-9-0x0000000000F50000-0x0000000000F67000-memory.dmp	upx

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"	11c74b911510fb248c406f77542db7e8.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	11c74b911510fb248c406f77542db7e8.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1364	11c74b911510fb248c406f77542db7e8.exe
Token: SeDebugPrivilege	2752	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1364 wrote to memory of 2752	1364	11c74b911510fb248c406f77542db7e8.exe	24
PID 1364 wrote to memory of 2752	1364	11c74b911510fb248c406f77542db7e8.exe	24
PID 1364 wrote to memory of 2752	1364	11c74b911510fb248c406f77542db7e8.exe	24
PID 1364 wrote to memory of 2752	1364	11c74b911510fb248c406f77542db7e8.exe	24

C:\Users\Admin\AppData\Local\Temp\11c74b911510fb248c406f77542db7e8.exe
"C:\Users\Admin\AppData\Local\Temp\11c74b911510fb248c406f77542db7e8.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1364
- 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:2752

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

memory/1364-0-0x0000000000F50000-0x0000000000F67000-memory.dmp

Filesize
92KB

Download
memory/1364-5-0x0000000000120000-0x0000000000137000-memory.dmp

Filesize
92KB

Download
memory/1364-9-0x0000000000F50000-0x0000000000F67000-memory.dmp

Filesize
92KB

Download
memory/2752-12-0x0000000000E50000-0x0000000000E67000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads