2bdd092728d978e05ae9fb3f5b769c86e6daed5953d92323bba73de0765eeb72

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
15/03/2024, 04:12

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General

Target

ca74e9349161fdb8b69489ced1182ad6.exe
Size

59KB
MD5

ca74e9349161fdb8b69489ced1182ad6
SHA1

ab9b85a82f05e9691cbf41b761ea0ce0b77d3c74
SHA256

2bdd092728d978e05ae9fb3f5b769c86e6daed5953d92323bba73de0765eeb72
SHA512

83010f57620ad3e349cf241303d096f59e26e3a97d3a1f1715a17389fe1c7f5ba55605c7363ebfd9a260c9f0cf020405bf2f37ee58b40bb4fb4348f857fdcf30
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3o:SKcR4mjD9r823FHKcR4mjD9r823FB

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4016	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/4784-0-0x0000000000C90000-0x0000000000CA7000-memory.dmp	upx
behavioral2/files/0x0008000000023213-6.dat	upx
behavioral2/memory/4784-8-0x0000000000C90000-0x0000000000CA7000-memory.dmp	upx
behavioral2/memory/4016-9-0x0000000000950000-0x0000000000967000-memory.dmp	upx
behavioral2/files/0x0004000000022758-12.dat	upx
behavioral2/files/0x000c000000023165-29.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"	ca74e9349161fdb8b69489ced1182ad6.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	ca74e9349161fdb8b69489ced1182ad6.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4784	ca74e9349161fdb8b69489ced1182ad6.exe
Token: SeDebugPrivilege	4016	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 4016	4784	ca74e9349161fdb8b69489ced1182ad6.exe	83
PID 4784 wrote to memory of 4016	4784	ca74e9349161fdb8b69489ced1182ad6.exe	83
PID 4784 wrote to memory of 4016	4784	ca74e9349161fdb8b69489ced1182ad6.exe	83

C:\Users\Admin\AppData\Local\Temp\ca74e9349161fdb8b69489ced1182ad6.exe
"C:\Users\Admin\AppData\Local\Temp\ca74e9349161fdb8b69489ced1182ad6.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4784
- 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:4016

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
85ccbc073f0a8f061b7f8c27fdf395c7

SHA1
6029513da523cd0bca43efbf8473e53fa584e0a3

SHA256
21b23a3e42e6bf59aff3958c4a21432b9379d644fb4ba551c844225bb70fb516

SHA512
f6bd4fb0eb2c242046d7136a8bdfcbd8a53d7185752667cf5c2fe60f4197cc2c82c1c7b2e8b9c8e71e653343e129ccedf2c4362de3991d1e5b8d18abe49e4fa3

Download Submit
C:\Users\Admin\AppData\Local\Temp\57FOETUETkXlhQN.exe

Filesize
59KB

MD5
e33807fd230ac7d147cec4886eb0c584

SHA1
5cb3f53f970a2b6a92cab49b9bdf449fa75a7297

SHA256
280db680cf421f76af3b6b6e77850179b029efa98b0e140e405c1d5e0951bb23

SHA512
63e0002e7b943cc7e3baf6307990095b2174b10dfc36e8766a41de32e98c11be976f3518ebf4012f04b67c06453111a40daf8162bfeefab5241d430c5ad4b1cf

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/4016-9-0x0000000000950000-0x0000000000967000-memory.dmp

Filesize
92KB

Download
memory/4784-0-0x0000000000C90000-0x0000000000CA7000-memory.dmp

Filesize
92KB

Download
memory/4784-8-0x0000000000C90000-0x0000000000CA7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads