e671fdffe222a4fff7f8a40be35e9900ebe0bb673a4adc6cd7af39f4f436c370

Analysis

max time kernel
144s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 08:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7df452d13909ed6a2297c647ced2814f.exe
Size

475KB
MD5

7df452d13909ed6a2297c647ced2814f
SHA1

d171702b6c0ce012680da7ffca42a72d72fc5bab
SHA256

e671fdffe222a4fff7f8a40be35e9900ebe0bb673a4adc6cd7af39f4f436c370
SHA512

2041a2c3c5c697c4e3b767bf671db8f11c33ce04f2a44d87458572f04e3f72d41fa665bc2142552364d914173bf0400fc929694c4ecbe4895cf50ca7fd3c67c2
SSDEEP

12288:/Rl3uFajPgiIA0NSyl7K/uNy2JPyqYuC38Sz9b91jRbM7pI:/RYFoIrSyE/uNy2d8uCMSF9BRbM7+

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4716	CSo50qwn2bPujOo.exe
2248	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 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3836-0-0x0000000000EC0000-0x0000000000ED7000-memory.dmp	upx
behavioral2/files/0x000900000002304b-7.dat	upx
behavioral2/memory/2248-10-0x0000000000970000-0x0000000000987000-memory.dmp	upx
behavioral2/memory/3836-8-0x0000000000EC0000-0x0000000000ED7000-memory.dmp	upx
behavioral2/files/0x0003000000022764-13.dat	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"	7df452d13909ed6a2297c647ced2814f.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	CTS.exe
File created	C:\Windows\CTS.exe	7df452d13909ed6a2297c647ced2814f.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3836	7df452d13909ed6a2297c647ced2814f.exe
Token: SeDebugPrivilege	2248	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 4716	3836	7df452d13909ed6a2297c647ced2814f.exe	89
PID 3836 wrote to memory of 4716	3836	7df452d13909ed6a2297c647ced2814f.exe	89
PID 3836 wrote to memory of 4716	3836	7df452d13909ed6a2297c647ced2814f.exe	89
PID 3836 wrote to memory of 2248	3836	7df452d13909ed6a2297c647ced2814f.exe	90
PID 3836 wrote to memory of 2248	3836	7df452d13909ed6a2297c647ced2814f.exe	90
PID 3836 wrote to memory of 2248	3836	7df452d13909ed6a2297c647ced2814f.exe	90

C:\Users\Admin\AppData\Local\Temp\7df452d13909ed6a2297c647ced2814f.exe
"C:\Users\Admin\AppData\Local\Temp\7df452d13909ed6a2297c647ced2814f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3836
- C:\Users\Admin\AppData\Local\Temp\CSo50qwn2bPujOo.exe
  C:\Users\Admin\AppData\Local\Temp\CSo50qwn2bPujOo.exe
  2⤵
  - Executes dropped EXE
  PID:4716
- 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:2248

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
607KB

MD5
9051c602e6ff45fd7721467fc1571cf3

SHA1
74a46c5443228ce5e470911d83feac0414a74483

SHA256
6f6a531a975b0920d9fe08640c94a5ccda15e8760774c7917a06850f0b3a060e

SHA512
949faca176a2c1068a4a7806df69d8a1e078cbc522517a3b6b3225a605f937b9f11c31320c6e26cc9c1191a5850471515b9035463f723762d2d31e65e0334025

Download Submit
C:\Users\Admin\AppData\Local\Temp\CSo50qwn2bPujOo.exe

Filesize
191KB

MD5
94a363cd532d88ac33997c25657a19b5

SHA1
a98f1a8361d0183651c0ef457b9ac4339e429bea

SHA256
13b98844b2fa4a39a4d8ebb414fc79450d5ab4f0c8f5141ac06d40b2a0431ea4

SHA512
3b1c87a67f63e4276453ec1e322f0c13896dd0524ef35f4e4037a481ce354feaa98440f85b784c0b90a900c59ef115654f687457180ea433ea0100427f5c26f5

Download Submit
C:\Windows\CTS.exe

Filesize
284KB

MD5
a733426dae1ff3e1285ccd8a501eb184

SHA1
60af1dcb8487bc574b456f9efb62f1fe69246797

SHA256
01facc85d70bc80fc31560f0134d581f8f66d618fb49df67ffa4db540eca18e5

SHA512
e260f9d96dfd9b2eb6268301d244b36882f696fd542e5d88731fa48a7bf4ab8f3c6b9841bda98f1bab8a9a339fd5068fc6193e62b1598f96db8e5f46f091c52c

Download Submit
memory/2248-10-0x0000000000970000-0x0000000000987000-memory.dmp

Filesize
92KB

Download
memory/3836-0-0x0000000000EC0000-0x0000000000ED7000-memory.dmp

Filesize
92KB

Download
memory/3836-8-0x0000000000EC0000-0x0000000000ED7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads