9f0e200941f123f04219db76b387bfe74ac730842648ddcc8397077e0538bcac

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31/12/2023, 02:46

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General

Target

2508346692a6937081e9617bd7692f1a.exe
Size

393KB
MD5

2508346692a6937081e9617bd7692f1a
SHA1

be8fc9331ccbaa1927929c22f9900676dad08dca
SHA256

9f0e200941f123f04219db76b387bfe74ac730842648ddcc8397077e0538bcac
SHA512

0d6e06ee74e8b2f3e1006f33c0caacbdf2098570f2efaa55b5b870fbafaa3581d899174fec2e016f009000735a0deac481b61dc851ecde6a80c10e5085a7a8ab
SSDEEP

12288:h3qj/lKiwb+DgCjoSxMmi8F5fdOArZCvgcvqE:h3qjtrbxjoSKmi8F51vdC4K

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1648	wEcpLRPVExiXduh.exe
2820	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
3004	2508346692a6937081e9617bd7692f1a.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 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2820-16-0x00000000000D0000-0x00000000000E7000-memory.dmp	upx
behavioral1/memory/3004-11-0x0000000000C40000-0x0000000000C57000-memory.dmp	upx
behavioral1/memory/3004-3-0x0000000000C40000-0x0000000000C57000-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"	2508346692a6937081e9617bd7692f1a.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	2508346692a6937081e9617bd7692f1a.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3004	2508346692a6937081e9617bd7692f1a.exe
Token: SeDebugPrivilege	2820	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3004 wrote to memory of 2820	3004	2508346692a6937081e9617bd7692f1a.exe	16
PID 3004 wrote to memory of 2820	3004	2508346692a6937081e9617bd7692f1a.exe	16
PID 3004 wrote to memory of 2820	3004	2508346692a6937081e9617bd7692f1a.exe	16
PID 3004 wrote to memory of 2820	3004	2508346692a6937081e9617bd7692f1a.exe	16

C:\Users\Admin\AppData\Local\Temp\2508346692a6937081e9617bd7692f1a.exe
"C:\Users\Admin\AppData\Local\Temp\2508346692a6937081e9617bd7692f1a.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3004
- 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:2820
- C:\Users\Admin\AppData\Local\Temp\wEcpLRPVExiXduh.exe
  C:\Users\Admin\AppData\Local\Temp\wEcpLRPVExiXduh.exe
  2⤵
  - Executes dropped EXE
  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

memory/2820-16-0x00000000000D0000-0x00000000000E7000-memory.dmp

Filesize
92KB

Download
memory/3004-15-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/3004-12-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/3004-11-0x0000000000C40000-0x0000000000C57000-memory.dmp

Filesize
92KB

Download
memory/3004-3-0x0000000000C40000-0x0000000000C57000-memory.dmp

Filesize
92KB

Download
memory/3004-22-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads