45d829c5fd80646fa4b1e0296b19a82f7f1688ea037b810da8d4e77ae25738a8

Analysis

max time kernel
110s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
20-07-2024 08:10

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General

Target

6c2797ad19fab8fdcdeca97be0fdd700N.exe
Size

27KB
MD5

6c2797ad19fab8fdcdeca97be0fdd700
SHA1

8e69fe495c5c8c162a2e65b103f3e03cde51810f
SHA256

45d829c5fd80646fa4b1e0296b19a82f7f1688ea037b810da8d4e77ae25738a8
SHA512

31b8f95593e03396954f05bdf386af6d5c9bfd793ea1ecb2f79f7e63f1bec99fd2891a7ecf373aefef6d486acd14da44655af45443987ae72f4fb0cc97767fed
SSDEEP

768:X9J/3FzjgfanEGx8V36unjv88tznuRU65Y4gpph1ePVCMu:N5VzcfA/6LrVpL74gfh16nu

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3572	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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/404-0-0x00000000001B0000-0x00000000001C8000-memory.dmp	upx
behavioral2/memory/404-9-0x00000000001B0000-0x00000000001C8000-memory.dmp	upx
behavioral2/files/0x00090000000234d3-7.dat	upx
behavioral2/memory/3572-10-0x0000000000EF0000-0x0000000000F08000-memory.dmp	upx
behavioral2/files/0x0007000000023384-13.dat	upx
behavioral2/files/0x000900000002347a-30.dat	upx
behavioral2/memory/3572-32-0x0000000000EF0000-0x0000000000F08000-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"	6c2797ad19fab8fdcdeca97be0fdd700N.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	6c2797ad19fab8fdcdeca97be0fdd700N.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	404	6c2797ad19fab8fdcdeca97be0fdd700N.exe
Token: SeDebugPrivilege	3572	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 3572	404	6c2797ad19fab8fdcdeca97be0fdd700N.exe	84
PID 404 wrote to memory of 3572	404	6c2797ad19fab8fdcdeca97be0fdd700N.exe	84
PID 404 wrote to memory of 3572	404	6c2797ad19fab8fdcdeca97be0fdd700N.exe	84

C:\Users\Admin\AppData\Local\Temp\6c2797ad19fab8fdcdeca97be0fdd700N.exe
"C:\Users\Admin\AppData\Local\Temp\6c2797ad19fab8fdcdeca97be0fdd700N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:404
- 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:3572

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
350KB

MD5
9c71888c9b35455eae9f2710492d1389

SHA1
737128ea22a77596d3c4a1631741231576bb4636

SHA256
3fb8285a5a972cca536177427b6fe66fbefbfd6b17d4bf2898f1df4a6e0d894c

SHA512
5738698dbb1689019b839c029d2756c76d629c6af46c02a3e2ead5edd64564b0e82030c902f81d7ef846488413b6712d0389f1dfb2bc5be0c17ad9d9654a8099

Download Submit
C:\Users\Admin\AppData\Local\Temp\fmwxh5UL5AG94n0.exe

Filesize
27KB

MD5
26aee540be6b24bdb00f1c54830897cd

SHA1
17c50e2563a0e4c7b9198c359e7cdaf3b4cc5d3d

SHA256
cf73e92899402dc329f505ded65f3fcc59a89e2cdd4e8d0aaa9365558cb214af

SHA512
0b27eb205172778fd0fa03ea445924e34133d7b964aa581e36670fcd9d295182c4b6a0ce32b174a7339ea83c5aa675fd559732e5f4d6226603361d07f9fc87db

Download Submit
C:\Windows\CTS.exe

Filesize
27KB

MD5
a6749b968461644db5cc0ecceffb224a

SHA1
2795aa37b8586986a34437081351cdd791749a90

SHA256
720023737d7ff700818f55612ba069a609a5ddea646bb3509b615ee3523a4ca2

SHA512
2a276816290746ed914af9cf6427aef31ce9395b8e9937090e329a8f74fb84c62d15b196e13346caa086842b3f5f549b9eb20cbf422d18c9c1b63e6342ea90b4

Download Submit
memory/404-0-0x00000000001B0000-0x00000000001C8000-memory.dmp

Filesize
96KB

Download
memory/404-9-0x00000000001B0000-0x00000000001C8000-memory.dmp

Filesize
96KB

Download
memory/3572-10-0x0000000000EF0000-0x0000000000F08000-memory.dmp

Filesize
96KB

Download
memory/3572-32-0x0000000000EF0000-0x0000000000F08000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads