57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
21-04-2024 21:58

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General

Target

57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe
Size

71KB
MD5

2bdfba07cc1c935077f3a4b67044c3d2
SHA1

de8b5fb9c058791926a4cfd440caf14cbacdf0a8
SHA256

57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90
SHA512

e18e2659da3c5b0c4804251c159b6de22b64f8becc58f7631877dbc5c804f97efda416a141071245e456d5b016dc80d6ec93be622f88aa3475655ddb4dfdfee4
SSDEEP

1536:Fc897UsWjcd9w+AyabjDbxE+MwmvlDuazTe:ZhpAyazIlyazTe

Score

7^/10

persistence spyware stealer

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2900	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

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"	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.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	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe
File created	C:\Windows\CTS.exe	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe
Token: SeDebugPrivilege	2900	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2900	2228	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe	28
PID 2228 wrote to memory of 2900	2228	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe	28
PID 2228 wrote to memory of 2900	2228	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe	28
PID 2228 wrote to memory of 2900	2228	57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe	28

C:\Users\Admin\AppData\Local\Temp\57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe
"C:\Users\Admin\AppData\Local\Temp\57d81b21d65a8e6dd43942bf31d1dd986cda0349bacd47b4fe88bc322337aa90.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228
- 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:2900

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\dJgWRQNBT1xAh0o.exe

Filesize
71KB

MD5
9f871a92598ea71b87b7e7a0a716c09c

SHA1
f2a54d6fe3b576a3d12874cd9daf9da7d0457bc3

SHA256
4dcba374a6f25f68a160bcbef88437cc0aea4d05ace0f4d62c43622331cdfbfd

SHA512
9a40c636f25910be788a42458868c93e5e3d5b57bbb357a40ac4b73db5040b0138e088c196ebe26146247b2d2caef096d7c22507736c80600e8d8bbe0ec8a748

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C:\Windows\CTS.exe

Filesize
71KB

MD5
66df4ffab62e674af2e75b163563fc0b

SHA1
dec8a197312e41eeb3cfef01cb2a443f0205cd6e

SHA256
075a6eecd8da1795532318f9cf880efe42461f9464d63f74deb271d33110f163

SHA512
1588dd78e6e8972013c40cdb6acfb84c8df7b081197233ce621904b645356c805d0424bb93dd46c55834dc47d9ff39ee1323cf8e670841b3fff24ab98ba87f25

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads