e717ddb6adfb9a8f1cd374a38f10cacd29c169727329a2be11ca086da88b75c0

Analysis

max time kernel
141s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 07:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

86476884d5cf831c852593bb8f9cc597.exe
Size

41KB
MD5

86476884d5cf831c852593bb8f9cc597
SHA1

a70de34904c55e7c2f08d5e154406b1bf0d25d5d
SHA256

e717ddb6adfb9a8f1cd374a38f10cacd29c169727329a2be11ca086da88b75c0
SHA512

9cb18391c316a6bc350219906cea540b8e543951ec9423157279fded2977bdc527d9dfa3da903e88d034c96408dde2813c9691c5f27e40efc8baa20a0d07ce3a
SSDEEP

768:X8Q2ZDX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIom46+I7cVKh:s9Z3KcR4mjD9r8226+Eh

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
896	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/4236-0-0x0000000000C30000-0x0000000000C47000-memory.dmp	upx
behavioral2/memory/896-9-0x00000000006D0000-0x00000000006E7000-memory.dmp	upx
behavioral2/files/0x0006000000023207-8.dat	upx
behavioral2/files/0x0009000000023056-12.dat	upx
behavioral2/memory/4236-7-0x0000000000C30000-0x0000000000C47000-memory.dmp	upx
behavioral2/files/0x0008000000023202-30.dat	upx
behavioral2/memory/896-32-0x00000000006D0000-0x00000000006E7000-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"	86476884d5cf831c852593bb8f9cc597.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	86476884d5cf831c852593bb8f9cc597.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4236	86476884d5cf831c852593bb8f9cc597.exe
Token: SeDebugPrivilege	896	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4236 wrote to memory of 896	4236	86476884d5cf831c852593bb8f9cc597.exe	20
PID 4236 wrote to memory of 896	4236	86476884d5cf831c852593bb8f9cc597.exe	20
PID 4236 wrote to memory of 896	4236	86476884d5cf831c852593bb8f9cc597.exe	20

C:\Users\Admin\AppData\Local\Temp\86476884d5cf831c852593bb8f9cc597.exe
"C:\Users\Admin\AppData\Local\Temp\86476884d5cf831c852593bb8f9cc597.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4236
- 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:896

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
57KB

MD5
ee3cbd14785a1f73666933ba27fb2c7c

SHA1
1fc1209ae00bd92167649701b879ddee97d567e2

SHA256
44a3ca309cb2b2731735aff0ceca19eabebbdfbb0f92428d8871c50c82f3380b

SHA512
18860b265fb3d527e382c436a4008e51b6b0e3c70b85c286f0643aac836bac255782104f10316dd48a4ed2771af772567b112fda969e706e027e2196429faa6b

Download Submit
C:\Users\Admin\AppData\Local\Temp\J2WTFEuZQR82Ew2.exe

Filesize
41KB

MD5
8a64c97624ac86aa23cc0fdea55383a8

SHA1
6fb041bfad8d0464d60c07730a9cfab9312b70a9

SHA256
45ee6d78f141e69c54a5af74186436927284472b95a19329ff853ba37f9b3d1d

SHA512
7aead4b6b5115825448e17ecd04ebcafb9dca57565b5f0391e652682d8477789a22252603e567dfd12e57803a9b5a0bd7d660026f61dddbd4f089c5bff93d70e

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/896-9-0x00000000006D0000-0x00000000006E7000-memory.dmp

Filesize
92KB

Download
memory/896-32-0x00000000006D0000-0x00000000006E7000-memory.dmp

Filesize
92KB

Download
memory/4236-0-0x0000000000C30000-0x0000000000C47000-memory.dmp

Filesize
92KB

Download
memory/4236-7-0x0000000000C30000-0x0000000000C47000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads