95f94b28f139ad719001d384c80373bc6ea1f13bf89627d61e290b6169d0b4fa

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
12-02-2024 03:35

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General

Target

9624e8d3beebfa2979ffbf615cb6c8af.exe
Size

1.1MB
MD5

9624e8d3beebfa2979ffbf615cb6c8af
SHA1

d5ba512ef02ab6260b5537f5721e009c7daf6573
SHA256

95f94b28f139ad719001d384c80373bc6ea1f13bf89627d61e290b6169d0b4fa
SHA512

aa4d2955daac34d72600e0e4ddb51daf5de1f65c1641388b0b47c4d64a7f635b5e180f198975e00cb9dabe9703943df9f8beaa26dddefa24bfc1d52b8f5cbdcd
SSDEEP

24576:h3sUYduUWo5jUQ3nzrmPxNzlEkw7QeCB9EAQ75yFBzVWDkLwe9PSRdAB:h32g8UEzrktlSM9EAa5yFBzcDkLj9X

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4740	S1Yx0OZhzWVVHf0.exe
2500	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 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2988-0-0x0000000000520000-0x0000000000537000-memory.dmp	upx
behavioral2/memory/2500-7-0x0000000000F70000-0x0000000000F87000-memory.dmp	upx
behavioral2/memory/2988-8-0x0000000000520000-0x0000000000537000-memory.dmp	upx
behavioral2/files/0x0006000000023222-9.dat	upx
behavioral2/files/0x0005000000022717-13.dat	upx
behavioral2/memory/2500-31-0x0000000000F70000-0x0000000000F87000-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"	9624e8d3beebfa2979ffbf615cb6c8af.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	9624e8d3beebfa2979ffbf615cb6c8af.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	9624e8d3beebfa2979ffbf615cb6c8af.exe
Token: SeDebugPrivilege	2500	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 4740	2988	9624e8d3beebfa2979ffbf615cb6c8af.exe	84
PID 2988 wrote to memory of 4740	2988	9624e8d3beebfa2979ffbf615cb6c8af.exe	84
PID 2988 wrote to memory of 2500	2988	9624e8d3beebfa2979ffbf615cb6c8af.exe	86
PID 2988 wrote to memory of 2500	2988	9624e8d3beebfa2979ffbf615cb6c8af.exe	86
PID 2988 wrote to memory of 2500	2988	9624e8d3beebfa2979ffbf615cb6c8af.exe	86

C:\Users\Admin\AppData\Local\Temp\9624e8d3beebfa2979ffbf615cb6c8af.exe
"C:\Users\Admin\AppData\Local\Temp\9624e8d3beebfa2979ffbf615cb6c8af.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2988
- C:\Users\Admin\AppData\Local\Temp\S1Yx0OZhzWVVHf0.exe
  C:\Users\Admin\AppData\Local\Temp\S1Yx0OZhzWVVHf0.exe
  2⤵
  - Executes dropped EXE
  PID:4740
- 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:2500

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
382KB

MD5
765e137396c6fe579815e5103b42ad4b

SHA1
499e7ee7d6adb7b8c9b39f2dd74c07e3a017efa6

SHA256
64b1abfb6862ca34433afc45b46f0fd81b839334035e26e4a1f5f76ae6ff44d6

SHA512
381ee5db7e374dfe459674f550457d886e055d7a6b04c0d9e69f79b4cb0a2f1813406e444c0b100963a2855419623354718e17167d35146545cee86bfe1032e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\S1Yx0OZhzWVVHf0.exe

Filesize
1.0MB

MD5
1d4b392017a25e885245d2ff2a18937e

SHA1
dc915d8b0602cbd078bde1e1466d026aa344cee5

SHA256
da779f3254692c741750b2cbeeb8aa83ef9aa3c381084681a2e512b1671767ff

SHA512
083b3050af2be7be3879392359ba8e266564679c97128c792071587868ec16681d486aeb6abe0e3b31c8e516306c6632dad5b8360caded72c3d20fe4a7c4c3a3

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/2500-7-0x0000000000F70000-0x0000000000F87000-memory.dmp

Filesize
92KB

Download
memory/2500-31-0x0000000000F70000-0x0000000000F87000-memory.dmp

Filesize
92KB

Download
memory/2988-0-0x0000000000520000-0x0000000000537000-memory.dmp

Filesize
92KB

Download
memory/2988-8-0x0000000000520000-0x0000000000537000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads