dd87549655388442105d3e28986eba5570caf59297131c529debb182aec1248c

Analysis

max time kernel
203s
max time network
26s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/01/2024, 17:28

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General

Target

417ac64ea38dc0f0a4465f7ef9bc4297.exe
Size

30KB
MD5

417ac64ea38dc0f0a4465f7ef9bc4297
SHA1

3a81d569a217ab89de9bcc626668a32460f538f9
SHA256

dd87549655388442105d3e28986eba5570caf59297131c529debb182aec1248c
SHA512

3e83eb8c7a691bb0184a3ef1f42afb767ff4ea9e7959d0a009b6150e6ff6269153a942953942dae1162e29fae28eb125209c14ab5e15856f3bed8a2d86e797fe
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFQC:SKcR4mjD9r823FQC

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2172	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
behavioral1/memory/2812-0-0x0000000000890000-0x00000000008A7000-memory.dmp	upx
behavioral1/memory/2812-5-0x00000000002A0000-0x00000000002B7000-memory.dmp	upx
behavioral1/memory/2812-10-0x00000000002A0000-0x00000000002B7000-memory.dmp	upx
behavioral1/memory/2172-13-0x00000000002A0000-0x00000000002B7000-memory.dmp	upx
behavioral1/files/0x0003000000004ed5-12.dat	upx
behavioral1/memory/2812-9-0x0000000000890000-0x00000000008A7000-memory.dmp	upx
behavioral1/files/0x001000000000b1f5-14.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"	417ac64ea38dc0f0a4465f7ef9bc4297.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	417ac64ea38dc0f0a4465f7ef9bc4297.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	417ac64ea38dc0f0a4465f7ef9bc4297.exe
Token: SeDebugPrivilege	2172	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2172	2812	417ac64ea38dc0f0a4465f7ef9bc4297.exe	29
PID 2812 wrote to memory of 2172	2812	417ac64ea38dc0f0a4465f7ef9bc4297.exe	29
PID 2812 wrote to memory of 2172	2812	417ac64ea38dc0f0a4465f7ef9bc4297.exe	29
PID 2812 wrote to memory of 2172	2812	417ac64ea38dc0f0a4465f7ef9bc4297.exe	29

C:\Users\Admin\AppData\Local\Temp\417ac64ea38dc0f0a4465f7ef9bc4297.exe
"C:\Users\Admin\AppData\Local\Temp\417ac64ea38dc0f0a4465f7ef9bc4297.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2812
- 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:2172

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\Temp\8rfdiLsrCp8wHgK.exe

Filesize
30KB

MD5
bca246f8be0a0bca2d6b52a0e6a03979

SHA1
19517e3b807c3ce0863825d5d62b3397df0497bb

SHA256
bc57e2e5fe42f9d28da640f8409beae8276f5fb3d4e97b2d0273219f1db479ef

SHA512
c960c69f47cbd0854faced1ca542f3dd1b66b94677b3542772ef71bdabb736625794ad312f5922b15084563bff6bb3713981ffd6970e48ae901fea6bb92b169e

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/2172-13-0x00000000002A0000-0x00000000002B7000-memory.dmp

Filesize
92KB

Download
memory/2812-0-0x0000000000890000-0x00000000008A7000-memory.dmp

Filesize
92KB

Download
memory/2812-5-0x00000000002A0000-0x00000000002B7000-memory.dmp

Filesize
92KB

Download
memory/2812-10-0x00000000002A0000-0x00000000002B7000-memory.dmp

Filesize
92KB

Download
memory/2812-9-0x0000000000890000-0x00000000008A7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads