3652c362c5a454e0bcb560b9ca64b496060e1885c907f3a17da9f7d1bf50b98f

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 15:51

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General

Target

0469229ad9af7933069afa062d6cd0ee.exe
Size

36KB
MD5

0469229ad9af7933069afa062d6cd0ee
SHA1

15a214a760f8ade281995d596d270d62ef82a25f
SHA256

3652c362c5a454e0bcb560b9ca64b496060e1885c907f3a17da9f7d1bf50b98f
SHA512

c133472ea4b800ca23537bcdc12f5aa9b91823695e99caf403d8f64cba88b40d38f096d090d6aba2df24dac477a99cd3fd65c63c3c6840b3343468159af04099
SSDEEP

768:X8Q2ZDX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIom46+I9Gr9:s9Z3KcR4mjD9r8226+T9

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4960	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/4792-0-0x00000000006A0000-0x00000000006B7000-memory.dmp	upx
behavioral2/memory/4960-9-0x0000000000590000-0x00000000005A7000-memory.dmp	upx
behavioral2/files/0x000f000000023163-8.dat	upx
behavioral2/memory/4792-7-0x00000000006A0000-0x00000000006B7000-memory.dmp	upx
behavioral2/files/0x0004000000022758-12.dat	upx
behavioral2/files/0x000300000001e982-30.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"	0469229ad9af7933069afa062d6cd0ee.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	0469229ad9af7933069afa062d6cd0ee.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4792	0469229ad9af7933069afa062d6cd0ee.exe
Token: SeDebugPrivilege	4960	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 4960	4792	0469229ad9af7933069afa062d6cd0ee.exe	32
PID 4792 wrote to memory of 4960	4792	0469229ad9af7933069afa062d6cd0ee.exe	32
PID 4792 wrote to memory of 4960	4792	0469229ad9af7933069afa062d6cd0ee.exe	32

C:\Users\Admin\AppData\Local\Temp\0469229ad9af7933069afa062d6cd0ee.exe
"C:\Users\Admin\AppData\Local\Temp\0469229ad9af7933069afa062d6cd0ee.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4792
- 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:4960

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
358KB

MD5
94c78edfb2be7e122a26f94e363e11ef

SHA1
ff360c8839e2bfc5dbd98c5351c94a2f4cc6de9f

SHA256
b0bbed666bdf25bc813d2cab7e789f908c5a442f7dabb520ae152b070ffd5c7f

SHA512
055e2a6eb01bfd4949c7824c725115b4ba9ffd41e0be4de3c88ced006b7ee7c01eaa0ebe8855da526cb8ef1f92d48cb9afe0fa3ad62ab8fa6a42e29d1c6555fe

Download Submit
C:\Users\Admin\AppData\Local\Temp\nlsXhozTz31TbAy.exe

Filesize
36KB

MD5
bf61de509c5234401da26c1cf0038d1b

SHA1
8e1197d0acc667b9842f541d06af93d9d60403c6

SHA256
b5b8f798cc529cceaa2daf1c6841a4ae9265c20ada92254b5f787ab3827ee1a5

SHA512
f7706c6c4b7562dde947c607e15bcc7ed70d9201763bc4733e1fac1de04b46c38561afac5e25e3a79bedfe574b2d59b73d9f992c1380a0393f16163a3d4843a7

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/4792-0-0x00000000006A0000-0x00000000006B7000-memory.dmp

Filesize
92KB

Download
memory/4792-7-0x00000000006A0000-0x00000000006B7000-memory.dmp

Filesize
92KB

Download
memory/4960-9-0x0000000000590000-0x00000000005A7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads