Malware Analysis Report

2024-11-13 14:21

Sample ID 240617-wcdalssapp
Target Zaplata.jpg.img
SHA256 0343b65d72d6de7e249af0cdf3c5531982b1aac457a758bf2948bd56a2cd63e9
Tags
agenttesla collection keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

0343b65d72d6de7e249af0cdf3c5531982b1aac457a758bf2948bd56a2cd63e9

Threat Level: Known bad

The file Zaplata.jpg.img was found to be: Known bad.

Malicious Activity Summary

agenttesla collection keylogger spyware stealer trojan

AgentTesla

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Modifies registry class

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

outlook_win_path

outlook_office_path

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-17 17:46

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-06-17 17:46

Reported

2024-06-17 17:48

Platform

win7-20240220-en

Max time kernel

120s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A
N/A api.ipify.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2968 set thread context of 2688 N/A C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe

"C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe"

C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe

"C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 api.ipify.org udp
US 104.26.13.205:443 api.ipify.org tcp

Files

memory/2968-0-0x000000007455E000-0x000000007455F000-memory.dmp

memory/2968-1-0x0000000001160000-0x00000000011F2000-memory.dmp

memory/2968-2-0x0000000074550000-0x0000000074C3E000-memory.dmp

memory/2968-3-0x00000000005F0000-0x0000000000604000-memory.dmp

memory/2968-4-0x000000007455E000-0x000000007455F000-memory.dmp

memory/2968-5-0x0000000074550000-0x0000000074C3E000-memory.dmp

memory/2968-6-0x0000000000610000-0x000000000061C000-memory.dmp

memory/2968-7-0x0000000006190000-0x0000000006210000-memory.dmp

memory/2968-8-0x0000000000BE0000-0x0000000000C12000-memory.dmp

memory/2688-9-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2688-15-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2688-19-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2688-17-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2688-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2688-12-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2688-11-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2688-10-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2688-21-0x0000000074550000-0x0000000074C3E000-memory.dmp

memory/2968-20-0x0000000074550000-0x0000000074C3E000-memory.dmp

memory/2688-22-0x0000000074550000-0x0000000074C3E000-memory.dmp

memory/2688-23-0x0000000074550000-0x0000000074C3E000-memory.dmp

Analysis: behavioral6

Detonation Overview

Submitted

2024-06-17 17:46

Reported

2024-06-17 17:48

Platform

win10v2004-20240508-en

Max time kernel

67s

Max time network

55s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe"

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

Reads WinSCP keys stored on the system

spyware stealer

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of local email clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2232 set thread context of 2092 N/A C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe

"C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe"

C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe

"C:\Users\Admin\AppData\Local\Temp\Zaplata,jpg.exe"

Network

Files

memory/2232-0-0x000000007496E000-0x000000007496F000-memory.dmp

memory/2232-1-0x0000000000BF0000-0x0000000000C82000-memory.dmp

memory/2232-2-0x0000000005CC0000-0x0000000006264000-memory.dmp

memory/2232-3-0x0000000005710000-0x00000000057A2000-memory.dmp

memory/2232-4-0x0000000005690000-0x000000000569A000-memory.dmp

memory/2232-5-0x0000000074960000-0x0000000075110000-memory.dmp

memory/2232-6-0x0000000005840000-0x0000000005854000-memory.dmp

memory/2232-7-0x000000007496E000-0x000000007496F000-memory.dmp

memory/2232-8-0x0000000074960000-0x0000000075110000-memory.dmp

memory/2232-9-0x0000000005A60000-0x0000000005A6C000-memory.dmp

memory/2232-10-0x0000000008670000-0x00000000086F0000-memory.dmp

memory/2232-11-0x00000000087A0000-0x000000000883C000-memory.dmp

memory/2232-12-0x0000000008A40000-0x0000000008A72000-memory.dmp

memory/2092-13-0x0000000000400000-0x0000000000430000-memory.dmp

memory/2232-16-0x0000000074960000-0x0000000075110000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Zaplata,jpg.exe.log

MD5 8ec831f3e3a3f77e4a7b9cd32b48384c
SHA1 d83f09fd87c5bd86e045873c231c14836e76a05c
SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA512 26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

memory/2092-17-0x0000000074960000-0x0000000075110000-memory.dmp

memory/2092-18-0x00000000052C0000-0x0000000005326000-memory.dmp

memory/2092-19-0x0000000074960000-0x0000000075110000-memory.dmp

memory/2092-20-0x0000000006C90000-0x0000000006CE0000-memory.dmp

memory/2092-21-0x0000000006FE0000-0x00000000071A2000-memory.dmp

memory/2092-22-0x0000000074960000-0x0000000075110000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 17:46

Reported

2024-06-17 17:48

Platform

win7-20240611-en

Max time kernel

121s

Max time network

123s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\Zaplata.jpg.iso

Signatures

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Windows\System32\isoburn.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1452 wrote to memory of 2680 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\isoburn.exe
PID 1452 wrote to memory of 2680 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\isoburn.exe
PID 1452 wrote to memory of 2680 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\isoburn.exe

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\Zaplata.jpg.iso

C:\Windows\System32\isoburn.exe

"C:\Windows\System32\isoburn.exe" "C:\Users\Admin\AppData\Local\Temp\Zaplata.jpg.iso"

Network

N/A

Files

memory/2680-24-0x0000000000110000-0x0000000000111000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 17:46

Reported

2024-06-17 17:48

Platform

win10v2004-20240508-en

Max time kernel

51s

Max time network

54s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\Zaplata.jpg.iso

Signatures

Enumerates physical storage devices

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000_Classes\Local Settings C:\Windows\system32\cmd.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeManageVolumePrivilege N/A C:\Windows\system32\cmd.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\system32\cmd.exe N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\Zaplata.jpg.iso

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A

Analysis: behavioral3

Detonation Overview

Submitted

2024-06-17 17:46

Reported

2024-06-17 17:48

Platform

win7-20240419-en

Max time kernel

118s

Max time network

121s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\out.iso

Signatures

N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\out.iso

Network

N/A

Files

N/A

Analysis: behavioral4

Detonation Overview

Submitted

2024-06-17 17:46

Reported

2024-06-17 17:49

Platform

win10v2004-20240611-en

Max time kernel

124s

Max time network

131s

Command Line

cmd /c C:\Users\Admin\AppData\Local\Temp\out.iso

Signatures

N/A

Processes

C:\Windows\system32\cmd.exe

cmd /c C:\Users\Admin\AppData\Local\Temp\out.iso

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4256,i,1236064252342462940,13180713657498721890,262144 --variations-seed-version --mojo-platform-channel-handle=2808 /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
BE 88.221.83.202:443 www.bing.com tcp
US 8.8.8.8:53 202.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 203.107.17.2.in-addr.arpa udp
US 8.8.8.8:53 138.107.17.2.in-addr.arpa udp

Files

N/A