agenttesla | 2a3d4ef67157e7f2e8773f92b33e697b70a44a6ab89993c0dd392e6d877d846a

General

Target

invoice.exe
Size

728KB
MD5

2a62b3b50dc20a361eaa8956ca312a81
SHA1

835dce3de7679964b51f14c1d7efeac5e795fbf5
SHA256

4fb354ecdf9b230311b7b6bc60b1016f5f17653a1653e1c6fa1fbbbc92a08a30
SHA512

1356c26448e0f1ddd68e8e0b5c4bce21cf26454f15a87e493b47c15b682e9af915d09c465d68a826dc0f5cf5d6d931e135fe312624f4ede011f69212e9bbdd08
SSDEEP

12288:oXkNp2iNkuPF33L1BL4yE8M37kEGMj9WHpP92tMRdIrHVTlcZxB8Dbya24vA:fp1l5b1et8iGMj9WJPIMRUVT6ZU44v

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
kV$bSqJ1 daniel
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	invoice.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	invoice.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
2	api.ipify.org
3	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1956 set thread context of 2720	1956	invoice.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence

Scheduled Task/Job

T1053

pid	Process
2076	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1956	invoice.exe
1956	invoice.exe
1976	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1956	invoice.exe
Token: SeDebugPrivilege	2720	invoice.exe
Token: SeDebugPrivilege	1976	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1976	1956	invoice.exe	28
PID 1956 wrote to memory of 1976	1956	invoice.exe	28
PID 1956 wrote to memory of 1976	1956	invoice.exe	28
PID 1956 wrote to memory of 1976	1956	invoice.exe	28
PID 1956 wrote to memory of 2076	1956	invoice.exe	29
PID 1956 wrote to memory of 2076	1956	invoice.exe	29
PID 1956 wrote to memory of 2076	1956	invoice.exe	29
PID 1956 wrote to memory of 2076	1956	invoice.exe	29
PID 1956 wrote to memory of 2720	1956	invoice.exe	32
PID 1956 wrote to memory of 2720	1956	invoice.exe	32
PID 1956 wrote to memory of 2720	1956	invoice.exe	32
PID 1956 wrote to memory of 2720	1956	invoice.exe	32
PID 1956 wrote to memory of 2720	1956	invoice.exe	32
PID 1956 wrote to memory of 2720	1956	invoice.exe	32
PID 1956 wrote to memory of 2720	1956	invoice.exe	32
PID 1956 wrote to memory of 2720	1956	invoice.exe	32
PID 1956 wrote to memory of 2720	1956	invoice.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	invoice.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1154728922-3261336865-3456416385-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	invoice.exe

C:\Users\Admin\AppData\Local\Temp\invoice.exe
"C:\Users\Admin\AppData\Local\Temp\invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zcbemJ.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1976
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zcbemJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BEB.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2076
- C:\Users\Admin\AppData\Local\Temp\invoice.exe
  "C:\Users\Admin\AppData\Local\Temp\invoice.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2720

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8BEB.tmp

Filesize
1KB

MD5
21612f96dff4bfdab4bc6665dc339fba

SHA1
c1bebf06b0670585dba0680c42cd4e89c399247d

SHA256
0044f69b035e5547aba701b4e6d5549aa15a1babf87aa772579a529b7f5567fd

SHA512
2e4ecaef98e38ff6c6a31e79446f9e42fe429d453fd537c0f016d3a0ffa249886b9ec92567bcd62cd824a5a64bf0be749bc177f3b0ad2dc7755b57a4a0d7a039

Download Submit
memory/1956-25-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-1-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/1956-2-0x0000000004DA0000-0x0000000004DE0000-memory.dmp

Filesize
256KB

Download
memory/1956-3-0x0000000000700000-0x0000000000716000-memory.dmp

Filesize
88KB

Download
memory/1956-4-0x0000000000710000-0x000000000071A000-memory.dmp

Filesize
40KB

Download
memory/1956-5-0x0000000005D60000-0x0000000005DCA000-memory.dmp

Filesize
424KB

Download
memory/1956-0-0x0000000000C50000-0x0000000000D0C000-memory.dmp

Filesize
752KB

Download
memory/1976-31-0x0000000070870000-0x0000000070E1B000-memory.dmp

Filesize
5.7MB

Download
memory/1976-32-0x0000000070870000-0x0000000070E1B000-memory.dmp

Filesize
5.7MB

Download
memory/1976-36-0x0000000070870000-0x0000000070E1B000-memory.dmp

Filesize
5.7MB

Download
memory/1976-35-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1976-34-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/1976-33-0x0000000002430000-0x0000000002470000-memory.dmp

Filesize
256KB

Download
memory/2720-23-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2720-13-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2720-27-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-28-0x0000000004770000-0x00000000047B0000-memory.dmp

Filesize
256KB

Download
memory/2720-11-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2720-26-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2720-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2720-21-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2720-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2720-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2720-38-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2720-39-0x0000000004770000-0x00000000047B0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads