38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 20:22

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General

Target

38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe
Size

288KB
MD5

47b604b46434b77b19b1a9de2ea07827
SHA1

1aadc23e4f7dd4cab7b91ef6fb9ad54498cc79f5
SHA256

38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9
SHA512

e2335034124902b9ddb3e6b259afaa9f013aaa2369e9f6d0217c0af99f69a839dd5e249158d1faf8144082de2aa3478b80429b29bca0a2c2834ea2d396716b49
SSDEEP

6144:xZ8az9R8j/U9sL3QBgCc70UmkfU8Ji5kS1rqaU03K:xC04Tl0aXVlJSGaUB

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
1724	dloNBsPRSQ2i6By.exe
2216	CTS.exe
1232	Process not Found

Loads dropped DLL 2 IoCs

pid	Process
1928	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe
1232	Process not Found

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

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"	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.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	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1928	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe
Token: SeDebugPrivilege	2216	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 1724	1928	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe	28
PID 1928 wrote to memory of 1724	1928	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe	28
PID 1928 wrote to memory of 1724	1928	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe	28
PID 1928 wrote to memory of 1724	1928	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe	28
PID 1928 wrote to memory of 2216	1928	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe	29
PID 1928 wrote to memory of 2216	1928	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe	29
PID 1928 wrote to memory of 2216	1928	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe	29
PID 1928 wrote to memory of 2216	1928	38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe	29

C:\Users\Admin\AppData\Local\Temp\38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe
"C:\Users\Admin\AppData\Local\Temp\38e842be6088324498c09cc3c77bcfe421117326a6276152c674e54926a721d9.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\dloNBsPRSQ2i6By.exe
  C:\Users\Admin\AppData\Local\Temp\dloNBsPRSQ2i6By.exe
  2⤵
  - Executes dropped EXE
  PID:1724
- 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:2216

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:\Windows\CTS.exe

Filesize
71KB

MD5
f9d4ab0a726adc9b5e4b7d7b724912f1

SHA1
3d42ca2098475924f70ee4a831c4f003b4682328

SHA256
b43be87e8586ca5e995979883468f3b3d9dc5212fbfd0b5f3341a5b7c56e0fbc

SHA512
22a5f0e4b2716244e978ee50771823926f86baf0382ece48fd049f039cf77b5eb0691d83c61148903cff081fdbea969f47b8ed521647717f42bbed5c64552432

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\Users\Admin\AppData\Local\Temp\dloNBsPRSQ2i6By.exe

Filesize
217KB

MD5
f8a38fd27da720881c0af1ac99b8c1ad

SHA1
2ed31938119e2ebdeb0f5539c985e9965aef72d7

SHA256
b2e32b3fa44b3a9a8fdfa906627355f6f48b4821929f9bce5ded2d07894361d4

SHA512
aafa05bc5bd68687b998fe4d9a619caecc65d14f317af7a05ac0ecab7e231891e8719029245dc84eddce20bdd4c0cc6f4ffafdf8200227746b28cc6628564495

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads