agenttesla | 85c50841a484f05259b3f8e02ed444c0403f605d33f9ee9b0afbceccadc73892

General

Target

DOCX.exe
Size

910KB
MD5

399616465c043be87b1448bdde5c3b20
SHA1

2f86f7263563942b23907e2c9868edcb6588fc1a
SHA256

85c50841a484f05259b3f8e02ed444c0403f605d33f9ee9b0afbceccadc73892
SHA512

62729924227b5418291c5e863c3984ab4995403e5a3ef294cda7a01a4b8c9c8f9398add57bd48e038ded99a5c95bdd5be60670befd4b4210a7246f2e696cb853

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
DANIEL3116

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
DANIEL3116

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

DOCX.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCX.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCX.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCX.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DOCX.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\HSpMzoJ = "C:\\Users\\Admin\\AppData\\Roaming\\HSpMzoJ\\HSpMzoJ.exe"	DOCX.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DOCX.exe

description pid process target process

PID 1860 set thread context of 1704 1860 DOCX.exe DOCX.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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
T1053

Processes:

schtasks.exe

pid process

1968 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

DOCX.exeDOCX.exepowershell.exe

pid process

1860 DOCX.exe
1860 DOCX.exe
1704 DOCX.exe
1704 DOCX.exe
1724 powershell.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

DOCX.exe

pid process

1704 DOCX.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DOCX.exeDOCX.exepowershell.exe

description pid process

Token: SeDebugPrivilege 1860 DOCX.exe
Token: SeDebugPrivilege 1704 DOCX.exe
Token: SeDebugPrivilege 1724 powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DOCX.exe

pid process

1704 DOCX.exe

description	pid	process	target process
PID 1860 set thread context of 1704	1860	DOCX.exe	DOCX.exe

pid	process
1968	schtasks.exe

pid	process
1860	DOCX.exe
1860	DOCX.exe
1704	DOCX.exe
1704	DOCX.exe
1724	powershell.exe

pid	process
1704	DOCX.exe

description	pid	process
Token: SeDebugPrivilege	1860	DOCX.exe
Token: SeDebugPrivilege	1704	DOCX.exe
Token: SeDebugPrivilege	1724	powershell.exe

pid	process
1704	DOCX.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

DOCX.exe

description	pid	process	target process
PID 1860 wrote to memory of 1724	1860	DOCX.exe	powershell.exe
PID 1860 wrote to memory of 1724	1860	DOCX.exe	powershell.exe
PID 1860 wrote to memory of 1724	1860	DOCX.exe	powershell.exe
PID 1860 wrote to memory of 1724	1860	DOCX.exe	powershell.exe
PID 1860 wrote to memory of 1968	1860	DOCX.exe	schtasks.exe
PID 1860 wrote to memory of 1968	1860	DOCX.exe	schtasks.exe
PID 1860 wrote to memory of 1968	1860	DOCX.exe	schtasks.exe
PID 1860 wrote to memory of 1968	1860	DOCX.exe	schtasks.exe
PID 1860 wrote to memory of 1704	1860	DOCX.exe	DOCX.exe
PID 1860 wrote to memory of 1704	1860	DOCX.exe	DOCX.exe
PID 1860 wrote to memory of 1704	1860	DOCX.exe	DOCX.exe
PID 1860 wrote to memory of 1704	1860	DOCX.exe	DOCX.exe
PID 1860 wrote to memory of 1704	1860	DOCX.exe	DOCX.exe
PID 1860 wrote to memory of 1704	1860	DOCX.exe	DOCX.exe
PID 1860 wrote to memory of 1704	1860	DOCX.exe	DOCX.exe
PID 1860 wrote to memory of 1704	1860	DOCX.exe	DOCX.exe
PID 1860 wrote to memory of 1704	1860	DOCX.exe	DOCX.exe

outlook_office_path 1 IoCs

Processes:

DOCX.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCX.exe

outlook_win_path 1 IoCs

Processes:

DOCX.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DOCX.exe

C:\Users\Admin\AppData\Local\Temp\DOCX.exe
"C:\Users\Admin\AppData\Local\Temp\DOCX.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lZdwVCul.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1724
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lZdwVCul" /XML "C:\Users\Admin\AppData\Local\Temp\tmpECC0.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1968
- C:\Users\Admin\AppData\Local\Temp\DOCX.exe
  "C:\Users\Admin\AppData\Local\Temp\DOCX.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1704

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpECC0.tmp

Filesize
1KB

MD5
9c78c84fa2aa70248af8943dc38f1944

SHA1
8053d1bb1b631eaa6a153fe1d057884ee2706c73

SHA256
57e7fb30f91e00562bc6f5b563284dcb3ed7cc08116f570f713f4754f6ebd07b

SHA512
59ea8712f4c5c89365bdaede18a28c196780aacfcb7c76e7ada4c5cb84396ef4c9b43b2b1112b50a2caed9a75d600aeae2fe744e664678d0a1ed58d06bb951ea

Download Submit
memory/1704-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1704-67-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1704-73-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1704-71-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1704-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1704-69-0x0000000000435B5E-mapping.dmp

Download
memory/1704-63-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1704-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1724-58-0x0000000000000000-mapping.dmp

Download
memory/1724-75-0x0000000072600000-0x0000000072BAB000-memory.dmp

Filesize
5.7MB

Download
memory/1860-62-0x0000000000D70000-0x0000000000DB2000-memory.dmp

Filesize
264KB

Download
memory/1860-56-0x00000000005A0000-0x00000000005AA000-memory.dmp

Filesize
40KB

Download
memory/1860-54-0x0000000001320000-0x0000000001408000-memory.dmp

Filesize
928KB

Download
memory/1860-55-0x0000000075E41000-0x0000000075E43000-memory.dmp

Filesize
8KB

Download
memory/1860-57-0x0000000004ED0000-0x0000000004F6C000-memory.dmp

Filesize
624KB

Download
memory/1968-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads