89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f

Analysis

max time kernel
130s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 02:40

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General

Target

89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exe
Size

153KB
MD5

30161800c1dd1970849576cbd8cf4d5a
SHA1

1d2aed14103f9583e257d92c0478f31377cea620
SHA256

89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f
SHA512

ae1e00f2b94f988104e85363ae5f6808125ba77a7af28b4d51f9cf001489cdc652ad6d87c99d4a20d3e72c987954f77108f7d41141d4289cf0200ac44007125b
SSDEEP

3072:kjr87SHQ18FXMijWThdtkYlO/5H+I3Lj5oe:5v18F8btUYlGB+I7j5oe

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

yq2poySJWq25BeB.exeCTS.exe

pid process

3544 yq2poySJWq25BeB.exe
1288 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

pid	process
3544	yq2poySJWq25BeB.exe
1288	CTS.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exeCTS.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.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

Processes:

89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exeCTS.exe

description	ioc	process
File created	C:\Windows\CTS.exe	89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exeCTS.exe

description	pid	process
Token: SeDebugPrivilege	4872	89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exe
Token: SeDebugPrivilege	1288	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exe

description	pid	process	target process
PID 4872 wrote to memory of 3544	4872	89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exe	yq2poySJWq25BeB.exe
PID 4872 wrote to memory of 3544	4872	89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exe	yq2poySJWq25BeB.exe
PID 4872 wrote to memory of 1288	4872	89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exe	CTS.exe
PID 4872 wrote to memory of 1288	4872	89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exe	CTS.exe
PID 4872 wrote to memory of 1288	4872	89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exe	CTS.exe

C:\Users\Admin\AppData\Local\Temp\89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exe
"C:\Users\Admin\AppData\Local\Temp\89c590150580ea5381b7538d032a9ea24f0272cc15fa2153e9e298df9d9a080f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4872

C:\Users\Admin\AppData\Local\Temp\yq2poySJWq25BeB.exe
C:\Users\Admin\AppData\Local\Temp\yq2poySJWq25BeB.exe
2⤵
- Executes dropped EXE
PID:3544

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:1288

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
Filesize
402KB

MD5
59c56fc605195fef2fe74e61180b39d1

SHA1
bf622e0016f35579c77eb3e4552a6fa99a5e8e67

SHA256
a40528b8e037e77d7450219b4d91a3b5c3d1ce2e88c1e2a409ce53253bbde2e6

SHA512
b35579f715df276854fc447688c6f947c592b680ae10c9a26bfe2cdbfdfe9403584ff45ad40efe536f3a1118bac9af81ec35bfdd06dc803f749fa65192bfb020

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C:\Users\Admin\AppData\Local\Temp\yq2poySJWq25BeB.exe
Filesize
73KB

MD5
d2778164ef643ba8f44cc202ec7ef157

SHA1
31eee7114eed6b0d2fb77c9f3605057639050786

SHA256
28b001bb9a72ae7a24242bfab248d767a1ac5dec981c672a3944f7a072375e9a

SHA512
cb2a5a2aeba9d6f6bfc4a3a4576961244c109aafb59f02134b03ebac4d16602ee7f141cc4adc519f15030c20e7e7d6585778870706b2ea4c74c1161729101635

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C:\Windows\CTS.exe
Filesize
80KB

MD5
ec704028ad7125c2fa52e04dc68c0ca3

SHA1
2a63f27d0138696c9c27a9ea2534e8f2ca11ddc4

SHA256
5f77a5d7c9eac3b004820646dece450e315a6e3ed320dc183ae68d59cd2318bf

SHA512
a008a08c980583b8698431ca44fa45d5565fdc5316dc3e58c47ae523e7a7a776162979b0c79f9c64f0b71e0d98fb49102679378354f76c270d0c99207c15d160

Download Submit