agenttesla | 6e7130e8abe05d8f0fd5b33e7a4963ce1e6f981a0c5273a253ab8e48ccb03723

General

Target

purchase order T&B19-20PO128.exe
Size

834KB
MD5

bdb9d54e0a75220f742b55d10f11d4ee
SHA1

e8f5e71b326b4f40347d9b83b12c75074b7c1a18
SHA256

4a2262967b00cd610107b403747ed727fe8ca66d26716c4cee9b7d4c6ba81db2
SHA512

c8b7d7f928d5281abed33c5378ee49d57b145ada70213f4d75de70e3fd8c1a211972ac157ab35b52d278813e5ea9683677738850f2bcb1573152667329a01467
SSDEEP

12288:fJzsqbYwDcoze0+G02Vg/uGsXaRVz/dHCjNLhFGcVjdnIiWyEa7gP7r9r/+ppppN:19b9G0Nm/uGsqRziZLFSiWFa7g1q

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
manlikeyou88
Email To:
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2840	powershell.exe
480	powershell.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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 3 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

Credentials from Web Browsers
T1555.003

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1732 set thread context of 2792	1732	purchase order T&B19-20PO128.exe	37

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	purchase order T&B19-20PO128.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	purchase order T&B19-20PO128.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2740	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2792	purchase order T&B19-20PO128.exe
2792	purchase order T&B19-20PO128.exe
2840	powershell.exe
480	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	purchase order T&B19-20PO128.exe
Token: SeDebugPrivilege	2840	powershell.exe
Token: SeDebugPrivilege	480	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2840	1732	purchase order T&B19-20PO128.exe	31
PID 1732 wrote to memory of 2840	1732	purchase order T&B19-20PO128.exe	31
PID 1732 wrote to memory of 2840	1732	purchase order T&B19-20PO128.exe	31
PID 1732 wrote to memory of 2840	1732	purchase order T&B19-20PO128.exe	31
PID 1732 wrote to memory of 480	1732	purchase order T&B19-20PO128.exe	33
PID 1732 wrote to memory of 480	1732	purchase order T&B19-20PO128.exe	33
PID 1732 wrote to memory of 480	1732	purchase order T&B19-20PO128.exe	33
PID 1732 wrote to memory of 480	1732	purchase order T&B19-20PO128.exe	33
PID 1732 wrote to memory of 2740	1732	purchase order T&B19-20PO128.exe	34
PID 1732 wrote to memory of 2740	1732	purchase order T&B19-20PO128.exe	34
PID 1732 wrote to memory of 2740	1732	purchase order T&B19-20PO128.exe	34
PID 1732 wrote to memory of 2740	1732	purchase order T&B19-20PO128.exe	34
PID 1732 wrote to memory of 2792	1732	purchase order T&B19-20PO128.exe	37
PID 1732 wrote to memory of 2792	1732	purchase order T&B19-20PO128.exe	37
PID 1732 wrote to memory of 2792	1732	purchase order T&B19-20PO128.exe	37
PID 1732 wrote to memory of 2792	1732	purchase order T&B19-20PO128.exe	37
PID 1732 wrote to memory of 2792	1732	purchase order T&B19-20PO128.exe	37
PID 1732 wrote to memory of 2792	1732	purchase order T&B19-20PO128.exe	37
PID 1732 wrote to memory of 2792	1732	purchase order T&B19-20PO128.exe	37
PID 1732 wrote to memory of 2792	1732	purchase order T&B19-20PO128.exe	37
PID 1732 wrote to memory of 2792	1732	purchase order T&B19-20PO128.exe	37

C:\Users\Admin\AppData\Local\Temp\purchase order T&B19-20PO128.exe
"C:\Users\Admin\AppData\Local\Temp\purchase order T&B19-20PO128.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- 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\purchase order T&B19-20PO128.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2840
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\GNxLsnKfyNDAU.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:480
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GNxLsnKfyNDAU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE89A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2740
- C:\Users\Admin\AppData\Local\Temp\purchase order T&B19-20PO128.exe
  "C:\Users\Admin\AppData\Local\Temp\purchase order T&B19-20PO128.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE89A.tmp

Filesize
1KB

MD5
f40f9510cb511c90c5fcc916e209bc96

SHA1
96a0e9c63917b818dc8a409899d847efe0963669

SHA256
ad14d41cd12bfc0307544ff4e84b0ba101da21b5c1ff4ae0a3fb3e6bb3902bcf

SHA512
deb52506212b578d15fd6d77160f3d4b6b0b834fb475ec8f7406b572b04b6d5e96086edf93b615b323d76b57afb77ec4e304d08978c1a73c24ff140bcec65337

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ST2UUVI9RM4YNWODVDQ4.temp

Filesize
7KB

MD5
d52fa91f4f17f27ade6db6bd640fb2aa

SHA1
e0094757e09aca665a6fae1eae8c2459395b91e9

SHA256
7edbea4af7a70aad54f23c29c05a3f8199f287b038887303dcd2f88eb5f239d8

SHA512
c04522f6751c771606c5fabb6086685c8992edf597fa0a276580685f9662ff49a72c5aab2ca6e4e07a37a97d74f85158e6e34a69c196974c71e58881bee57da0

Download Submit
memory/1732-4-0x0000000000450000-0x0000000000460000-memory.dmp

Filesize
64KB

Download
memory/1732-3-0x00000000048B0000-0x000000000494A000-memory.dmp

Filesize
616KB

Download
memory/1732-0-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/1732-5-0x000000007466E000-0x000000007466F000-memory.dmp

Filesize
4KB

Download
memory/1732-6-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-7-0x0000000004980000-0x0000000004A02000-memory.dmp

Filesize
520KB

Download
memory/1732-2-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-1-0x0000000000F50000-0x0000000001026000-memory.dmp

Filesize
856KB

Download
memory/1732-33-0x0000000074660000-0x0000000074D4E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-26-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2792-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2792-32-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2792-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2792-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2792-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2792-20-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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