agenttesla | 7878c151e7275b02792479eb673f4406f15aca3242e4b525ddecda93c06ea312

General

Target

shipping document.exe
Size

562KB
MD5

303efa74e4e9cf4a07a685d45b62b2a8
SHA1

43b21136f103e62f2af9745d3ffaec9883a52b66
SHA256

7878c151e7275b02792479eb673f4406f15aca3242e4b525ddecda93c06ea312
SHA512

b95109a37d83c735e20a37dbecfb3aba712f0e2460c329c7db9cc28b884ad37af5b2e42ff5beb6afe5798440cbd6108c85cf8d4890c06140f4c80dfa2976eda9
SSDEEP

12288:raFFZ6wajEsd1U+WvDeToTopNGpR6bxRXO/5TiTm4HoFzLj:g61jEsvSYoT8w6bx1O/BiTjozL

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.abaexlogistics.com
Port:
587
Username:
[email protected]
Password:
Op3r@2021!
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\zOwta = "C:\\Users\\Admin\\AppData\\Roaming\\zOwta\\zOwta.exe"	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

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

flow	ioc
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1320 set thread context of 1648	1320	shipping document.exe	34

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

pid	Process
616	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1320	shipping document.exe
1320	shipping document.exe
1320	shipping document.exe
468	powershell.exe
1816	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1320	shipping document.exe
Token: SeDebugPrivilege	1648	RegSvcs.exe
Token: SeDebugPrivilege	468	powershell.exe
Token: SeDebugPrivilege	1816	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1648	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1320 wrote to memory of 1816	1320	shipping document.exe	28
PID 1320 wrote to memory of 1816	1320	shipping document.exe	28
PID 1320 wrote to memory of 1816	1320	shipping document.exe	28
PID 1320 wrote to memory of 1816	1320	shipping document.exe	28
PID 1320 wrote to memory of 468	1320	shipping document.exe	30
PID 1320 wrote to memory of 468	1320	shipping document.exe	30
PID 1320 wrote to memory of 468	1320	shipping document.exe	30
PID 1320 wrote to memory of 468	1320	shipping document.exe	30
PID 1320 wrote to memory of 616	1320	shipping document.exe	32
PID 1320 wrote to memory of 616	1320	shipping document.exe	32
PID 1320 wrote to memory of 616	1320	shipping document.exe	32
PID 1320 wrote to memory of 616	1320	shipping document.exe	32
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34
PID 1320 wrote to memory of 1648	1320	shipping document.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\shipping document.exe
"C:\Users\Admin\AppData\Local\Temp\shipping document.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1320
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\shipping document.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1816
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\CyWJwnu.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:468
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CyWJwnu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBE12.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:616
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1648

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

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpBE12.tmp

Filesize
1KB

MD5
25b0ad286a47450f2f9ce722a82876e1

SHA1
f1fc7a45fe2bb3d35f47a31575a665e537df707a

SHA256
6294616e5c16cfe0c65be978bdb5a42554c888cd5859fc8bba047c174726ebc2

SHA512
b7284b1b7ce408c734f0c73c74f31853194590ef5cdc4ca0cb16231521e57d03708800e51bb2fa776def4bef55020562ae9434463c8a2d75e7fa94d101642b2e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

Filesize
7KB

MD5
c76fe2b327960693e518bbc85533b5b1

SHA1
cd5914ea2c6e2f23a2dc1dcb3bef0659f8aea6b1

SHA256
074eeece7178f2b1d994ac5d23088a878b8450ae8e8fd7a997fddcebad30acd9

SHA512
e15448320f25561c761ad7585243aac3b6442858460270189e76baa62f231c03dfdd49532347c88aad78efb4fbb1cad603b0ccd356f1b0d74dafb859d325ebba

Download Submit
memory/468-82-0x000000006EA90000-0x000000006F03B000-memory.dmp

Filesize
5.7MB

Download
memory/468-79-0x000000006EA90000-0x000000006F03B000-memory.dmp

Filesize
5.7MB

Download
memory/1320-54-0x00000000001B0000-0x0000000000242000-memory.dmp

Filesize
584KB

Download
memory/1320-55-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1320-56-0x0000000000360000-0x0000000000374000-memory.dmp

Filesize
80KB

Download
memory/1320-57-0x0000000000490000-0x000000000049C000-memory.dmp

Filesize
48KB

Download
memory/1320-58-0x0000000005B10000-0x0000000005B90000-memory.dmp

Filesize
512KB

Download
memory/1320-66-0x0000000004380000-0x00000000043B2000-memory.dmp

Filesize
200KB

Download
memory/1648-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1648-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1648-71-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1648-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1648-75-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1648-77-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1648-67-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1816-80-0x000000006EA90000-0x000000006F03B000-memory.dmp

Filesize
5.7MB

Download
memory/1816-81-0x000000006EA90000-0x000000006F03B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads