2dd778d08cd788ca1c9e50451410cea7a9c9d804eeb96c57e925da57cce306ac

Analysis

max time kernel
140s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14-02-2024 08:25

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General

Target

9b3256d6ea6e2687249044aed2e67546.exe
Size

35KB
MD5

9b3256d6ea6e2687249044aed2e67546
SHA1

40b369b0ce307f9f73dd008d0e03dfe333dc02f1
SHA256

2dd778d08cd788ca1c9e50451410cea7a9c9d804eeb96c57e925da57cce306ac
SHA512

85213a6387802678348777ec203063bd4cf3b42a9c2f12ab59b11e587368db558ecf0872403f852c1cc86fd0ac7b35c40fa87a4815759cc041ae5778126c0454
SSDEEP

768:X8Q2ZDX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIom46+IR:s9Z3KcR4mjD9r8226+Q

Score

7^/10

persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2932	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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2404-0-0x0000000001210000-0x0000000001227000-memory.dmp	upx
behavioral1/memory/2404-8-0x0000000001210000-0x0000000001227000-memory.dmp	upx
behavioral1/files/0x000c000000015d88-10.dat	upx
behavioral1/memory/2932-12-0x0000000000B70000-0x0000000000B87000-memory.dmp	upx
behavioral1/files/0x000a000000015d70-14.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"	9b3256d6ea6e2687249044aed2e67546.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	9b3256d6ea6e2687249044aed2e67546.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2404	9b3256d6ea6e2687249044aed2e67546.exe
Token: SeDebugPrivilege	2932	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2404 wrote to memory of 2932	2404	9b3256d6ea6e2687249044aed2e67546.exe	28
PID 2404 wrote to memory of 2932	2404	9b3256d6ea6e2687249044aed2e67546.exe	28
PID 2404 wrote to memory of 2932	2404	9b3256d6ea6e2687249044aed2e67546.exe	28
PID 2404 wrote to memory of 2932	2404	9b3256d6ea6e2687249044aed2e67546.exe	28

C:\Users\Admin\AppData\Local\Temp\9b3256d6ea6e2687249044aed2e67546.exe
"C:\Users\Admin\AppData\Local\Temp\9b3256d6ea6e2687249044aed2e67546.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2404
- 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:2932

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\Temp\cFNRL0yPywH3t74.exe

Filesize
35KB

MD5
dc0b24e6146b152e1fec05435f3304e6

SHA1
8f90a7724d2f13111804313ba3dd787ee3d1879a

SHA256
965f843d3ce2f00fee60431fe2e6fca212d937dc01b3781ab01cc3863dbb853f

SHA512
f2a8edfdb7acd0c79d66ab9097306335dc6d024f79418a364d08be8ddfaf094ad7e571ba56190e76a508295d01b9c1c02f94fc5d8282206291731d2918b24e8d

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/2404-0-0x0000000001210000-0x0000000001227000-memory.dmp

Filesize
92KB

Download
memory/2404-8-0x0000000001210000-0x0000000001227000-memory.dmp

Filesize
92KB

Download
memory/2404-11-0x00000000000E0000-0x00000000000F7000-memory.dmp

Filesize
92KB

Download
memory/2932-12-0x0000000000B70000-0x0000000000B87000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads