agenttesla | a4a6a7c1267ac9b6fbbe392ec46c153d232abccae0b4534e80fb1931a21a7011

General

Target

PO-3500036071.exe
Size

614KB
MD5

9a6fb05aecb4f4ce83d11d948cfbbf55
SHA1

a1cb615284130925b1259d5a6881923b0eb2e58c
SHA256

f40124a3e533151b64738625eb9cfa05433e6f2c9487729bcb1d71267948564f
SHA512

677701d1d1f6bed146bfe146ab48097ffad8a6433c35833c7bab97b053cf283f6da1c48edf58083917dde052c9cbea1dbfcc7788e5c80661b07da93d1387c528
SSDEEP

12288:+eoXEF2apKhcvZ94ixSjty6NpN4T/zw2M+YIB/RbtyzDB1qgJ:HoAPEi/Ujs6g/zJB32B1

Score

10^/10

agenttesla credential_access 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
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

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
1928	powershell.exe
2684	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 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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1172 set thread context of 2572	1172	PO-3500036071.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	powershell.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	PO-3500036071.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO-3500036071.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
2788	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2572	PO-3500036071.exe
2572	PO-3500036071.exe
1928	powershell.exe
2684	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	PO-3500036071.exe
Token: SeDebugPrivilege	1928	powershell.exe
Token: SeDebugPrivilege	2684	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 1928	1172	PO-3500036071.exe	31
PID 1172 wrote to memory of 1928	1172	PO-3500036071.exe	31
PID 1172 wrote to memory of 1928	1172	PO-3500036071.exe	31
PID 1172 wrote to memory of 1928	1172	PO-3500036071.exe	31
PID 1172 wrote to memory of 2684	1172	PO-3500036071.exe	33
PID 1172 wrote to memory of 2684	1172	PO-3500036071.exe	33
PID 1172 wrote to memory of 2684	1172	PO-3500036071.exe	33
PID 1172 wrote to memory of 2684	1172	PO-3500036071.exe	33
PID 1172 wrote to memory of 2788	1172	PO-3500036071.exe	35
PID 1172 wrote to memory of 2788	1172	PO-3500036071.exe	35
PID 1172 wrote to memory of 2788	1172	PO-3500036071.exe	35
PID 1172 wrote to memory of 2788	1172	PO-3500036071.exe	35
PID 1172 wrote to memory of 2572	1172	PO-3500036071.exe	37
PID 1172 wrote to memory of 2572	1172	PO-3500036071.exe	37
PID 1172 wrote to memory of 2572	1172	PO-3500036071.exe	37
PID 1172 wrote to memory of 2572	1172	PO-3500036071.exe	37
PID 1172 wrote to memory of 2572	1172	PO-3500036071.exe	37
PID 1172 wrote to memory of 2572	1172	PO-3500036071.exe	37
PID 1172 wrote to memory of 2572	1172	PO-3500036071.exe	37
PID 1172 wrote to memory of 2572	1172	PO-3500036071.exe	37
PID 1172 wrote to memory of 2572	1172	PO-3500036071.exe	37

C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe
"C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1172
- 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\PO-3500036071.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1928
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OWwqxnskD.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2684
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OWwqxnskD" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE43.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2788
- C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe
  "C:\Users\Admin\AppData\Local\Temp\PO-3500036071.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2572

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\tmpE43.tmp

Filesize
1KB

MD5
9c191bd14f601d05ab6ef11ab8b5d18a

SHA1
df9484bcf9c63598f9bf464c9d65822e9f349af9

SHA256
c6707fd0d2b359be36502d2ff46b386e2553800c6dc1d097aa2352bec07cb2e9

SHA512
204ce93df8b19cc9168dac0e85870f9c51e7974a6ec3e4d86c66c77ce62b27abaa45ea47676334b7919d9005cab4c86251e79e0fcaffa5104c34ff16c26207a6

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

Filesize
7KB

MD5
39f46487fee9420303cbd9f70125080e

SHA1
aad678a9136712094cdfa74b45faa64eb4398ac4

SHA256
b4e1f29819272d5f35dc04467e71a84817589d367e11f896a70a02f57c3eb8ca

SHA512
df0396e4d183da26f2e05522f53645904b5871cad1e68a439945fd322646c2c063041c26f3e6f7fabcc96a2d6a20aed1d469657faabe24b75886c491557fb657

Download Submit
memory/1172-4-0x00000000002C0000-0x00000000002D0000-memory.dmp

Filesize
64KB

Download
memory/1172-3-0x00000000042E0000-0x0000000004380000-memory.dmp

Filesize
640KB

Download
memory/1172-0-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1172-5-0x000000007463E000-0x000000007463F000-memory.dmp

Filesize
4KB

Download
memory/1172-6-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1172-7-0x0000000005490000-0x0000000005512000-memory.dmp

Filesize
520KB

Download
memory/1172-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/1172-1-0x0000000000150000-0x00000000001EC000-memory.dmp

Filesize
624KB

Download
memory/1172-33-0x0000000074630000-0x0000000074D1E000-memory.dmp

Filesize
6.9MB

Download
memory/2572-26-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-29-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-32-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-30-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-24-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-22-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2572-21-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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