964be34b5f48f7542b4dca090fb43dad6e4cecaec169924368ded2a0cf48b5a2

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 16:41

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General

Target

064cbd89d5bd9d2e43e32f0bbb92a418.exe
Size

29KB
MD5

064cbd89d5bd9d2e43e32f0bbb92a418
SHA1

9b3b49cb1d8c6bfdced9c2b814cb4de0b9ebe30b
SHA256

964be34b5f48f7542b4dca090fb43dad6e4cecaec169924368ded2a0cf48b5a2
SHA512

1b870b67287e5188485acda180d8dd96c107190cc5e5210407b6afc3697d1d8d97022f7583089773a8fd5ed27dd7d963f589a3429c0f78b2afbbe7bc2acc8ab6
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFk:SKcR4mjD9r823Fk

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1352	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/4540-0-0x0000000000CA0000-0x0000000000CB7000-memory.dmp	upx
behavioral2/files/0x0008000000023204-8.dat	upx
behavioral2/files/0x0003000000022778-12.dat	upx
behavioral2/memory/1352-9-0x0000000000950000-0x0000000000967000-memory.dmp	upx
behavioral2/memory/4540-7-0x0000000000CA0000-0x0000000000CB7000-memory.dmp	upx
behavioral2/files/0x000600000001e5df-30.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"	064cbd89d5bd9d2e43e32f0bbb92a418.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	064cbd89d5bd9d2e43e32f0bbb92a418.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4540	064cbd89d5bd9d2e43e32f0bbb92a418.exe
Token: SeDebugPrivilege	1352	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4540 wrote to memory of 1352	4540	064cbd89d5bd9d2e43e32f0bbb92a418.exe	17
PID 4540 wrote to memory of 1352	4540	064cbd89d5bd9d2e43e32f0bbb92a418.exe	17
PID 4540 wrote to memory of 1352	4540	064cbd89d5bd9d2e43e32f0bbb92a418.exe	17

C:\Users\Admin\AppData\Local\Temp\064cbd89d5bd9d2e43e32f0bbb92a418.exe
"C:\Users\Admin\AppData\Local\Temp\064cbd89d5bd9d2e43e32f0bbb92a418.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4540
- 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:1352

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
290KB

MD5
ba68ef2caba5b67befbdd34b98541018

SHA1
1746a8f1c39096a776bf124ad4151897c37ec4d5

SHA256
6371c46e427506664b01f7e32b085cfc343edd26964c3721f89f425f2188212c

SHA512
daa761af16cace4b24325d6c56101b0751e3c21e4442c13bdad84fcd1b13475f532de27ce506f20526601837275f603f81b7503fdc8b40f5d600d3a934b307ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\Twfd84RVSBdMbXa.exe

Filesize
29KB

MD5
65d5d837a8cafdd712e487ea8c47141b

SHA1
f144582e330f22f05f6bffb20271be94d329942e

SHA256
2c804a5f48c2638b1725e84eb252537c480e8f1166366a08b753d3893c7183d8

SHA512
65623b019b09586a03eab7a7f54525e1e13dabbe13b28a6f25e179beda5bb0e8ff35e9201f44996f599701fe8ddb4640721f9f5db24154007709575417d4b6b2

Download Submit
C:\Windows\CTS.exe

Filesize
29KB

MD5
70aa23c9229741a9b52e5ce388a883ac

SHA1
b42683e21e13de3f71db26635954d992ebe7119e

SHA256
9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2

SHA512
be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5

Download Submit
memory/1352-9-0x0000000000950000-0x0000000000967000-memory.dmp

Filesize
92KB

Download
memory/4540-0-0x0000000000CA0000-0x0000000000CB7000-memory.dmp

Filesize
92KB

Download
memory/4540-7-0x0000000000CA0000-0x0000000000CB7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads