295d64429e4a0243a5bead0e06681027a7048abaa85af3ba9e18d318dbbfeeed

Analysis

max time kernel
147s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 22:17

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General

Target

1e36e5c3a4cdbc682b4a1233228dd600.exe
Size

146KB
MD5

1e36e5c3a4cdbc682b4a1233228dd600
SHA1

4e4dda966079c238eabf39ed1d7372fd2f82a159
SHA256

295d64429e4a0243a5bead0e06681027a7048abaa85af3ba9e18d318dbbfeeed
SHA512

47538f4850815a961f83c9c8c4140e938330c2186bcbda47a389d22aee20d571918b3aefa19bcf793f16a37d4601e43cfb0d2ec0fe256bc3450dfe7cfdb8895b
SSDEEP

3072:Xjr87S7Gnz55EoIE42hEFdnsmfbE316gOCbg:sZl2S44EbzW16gg

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1380	Rn6vyZmQF3lVjCX.exe
436	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 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1748-0-0x0000000000BB0000-0x0000000000BC9000-memory.dmp	upx
behavioral2/memory/1748-9-0x0000000000BB0000-0x0000000000BC9000-memory.dmp	upx
behavioral2/memory/436-8-0x0000000000780000-0x0000000000799000-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"	1e36e5c3a4cdbc682b4a1233228dd600.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	1e36e5c3a4cdbc682b4a1233228dd600.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1748	1e36e5c3a4cdbc682b4a1233228dd600.exe
Token: SeDebugPrivilege	436	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1380	1748	1e36e5c3a4cdbc682b4a1233228dd600.exe	29
PID 1748 wrote to memory of 1380	1748	1e36e5c3a4cdbc682b4a1233228dd600.exe	29
PID 1748 wrote to memory of 1380	1748	1e36e5c3a4cdbc682b4a1233228dd600.exe	29
PID 1748 wrote to memory of 436	1748	1e36e5c3a4cdbc682b4a1233228dd600.exe	31
PID 1748 wrote to memory of 436	1748	1e36e5c3a4cdbc682b4a1233228dd600.exe	31
PID 1748 wrote to memory of 436	1748	1e36e5c3a4cdbc682b4a1233228dd600.exe	31

C:\Users\Admin\AppData\Local\Temp\1e36e5c3a4cdbc682b4a1233228dd600.exe
"C:\Users\Admin\AppData\Local\Temp\1e36e5c3a4cdbc682b4a1233228dd600.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1748
- C:\Users\Admin\AppData\Local\Temp\Rn6vyZmQF3lVjCX.exe
  C:\Users\Admin\AppData\Local\Temp\Rn6vyZmQF3lVjCX.exe
  2⤵
  - Executes dropped EXE
  PID:1380
- 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:436

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/436-8-0x0000000000780000-0x0000000000799000-memory.dmp

Filesize
100KB

Download
memory/436-31-0x0000000000780000-0x0000000000799000-memory.dmp

Filesize
100KB

Download
memory/1748-0-0x0000000000BB0000-0x0000000000BC9000-memory.dmp

Filesize
100KB

Download
memory/1748-9-0x0000000000BB0000-0x0000000000BC9000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads