5ed62a372e8cf6208d62ae3313793ff68c3e5de14995b608c394791918341a7f

Analysis

max time kernel
141s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 09:35

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General

Target

7459c81c8bdc56fcb37bc19fda70bbec.exe
Size

48KB
MD5

7459c81c8bdc56fcb37bc19fda70bbec
SHA1

f00d99b2c6fd303cc1db78a981a08b5803b3ff1b
SHA256

5ed62a372e8cf6208d62ae3313793ff68c3e5de14995b608c394791918341a7f
SHA512

dfd274bb229461956b327a839b81edce006a7c46f13ffd078ad6daa854dd8ec97c96f8a6c0914a322ef71733135ca8bb808f21f9facb96eab962fc8db393f69c
SSDEEP

768:X8Q2ZDX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIom46+IfZFOkl4TyolPylDnN:s9Z3KcR4mjD9r8226+UZF/lTKQa8

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1216	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/1596-0-0x0000000000A40000-0x0000000000A57000-memory.dmp	upx
behavioral2/files/0x0007000000023221-6.dat	upx
behavioral2/memory/1596-7-0x0000000000A40000-0x0000000000A57000-memory.dmp	upx
behavioral2/memory/1216-9-0x0000000000630000-0x0000000000647000-memory.dmp	upx
behavioral2/files/0x0003000000022778-12.dat	upx
behavioral2/memory/1216-32-0x0000000000630000-0x0000000000647000-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"	CTS.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	7459c81c8bdc56fcb37bc19fda70bbec.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	7459c81c8bdc56fcb37bc19fda70bbec.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1596	7459c81c8bdc56fcb37bc19fda70bbec.exe
Token: SeDebugPrivilege	1216	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 1216	1596	7459c81c8bdc56fcb37bc19fda70bbec.exe	86
PID 1596 wrote to memory of 1216	1596	7459c81c8bdc56fcb37bc19fda70bbec.exe	86
PID 1596 wrote to memory of 1216	1596	7459c81c8bdc56fcb37bc19fda70bbec.exe	86

C:\Users\Admin\AppData\Local\Temp\7459c81c8bdc56fcb37bc19fda70bbec.exe
"C:\Users\Admin\AppData\Local\Temp\7459c81c8bdc56fcb37bc19fda70bbec.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1596
- 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:1216

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
e9e3f110b291cd9a94be20aa64449506

SHA1
7db1fb7c5c0f3a90fc1738a2c990cd9faae2c2ea

SHA256
86fc4971cf78d1d668e7b2649ff8c719462b9a7d1057b5f5d5b7f32382202720

SHA512
b57e16b0bcd78661285a60413bc90ed89700ca43695d0fff216b3c9a711fe36d05017678dbd28c1ba6b67166337ffa6a7b88a4fa3bc33b2463fbb2de7fef980d

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/1216-9-0x0000000000630000-0x0000000000647000-memory.dmp

Filesize
92KB

Download
memory/1216-32-0x0000000000630000-0x0000000000647000-memory.dmp

Filesize
92KB

Download
memory/1596-0-0x0000000000A40000-0x0000000000A57000-memory.dmp

Filesize
92KB

Download
memory/1596-7-0x0000000000A40000-0x0000000000A57000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads