agenttesla | db1758d0ec67aab44814a07b14a7dbc404cae5960e37a446baa3c8cf8c9f442f

Analysis

max time kernel
140s
max time network
128s
platform
windows10_x64
resource
win10v20210408
submitted
09/05/2021, 06:22

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General

Target
received and accepted.exe
Size 816KB
Sample210509-ex7bypt92e
SHA256 db1758d0ec67aab44814a07b14a7dbc404cae5960e37a446baa3c8cf8c9f442f
MD5 48dcea15202e89077d31879e8370aa77
SHA1 c23cece3fe9fc8c7808aca0b682cfc34ca0110c1
SHA512 2762dcc1f3a332c61a32f0c45ee3c5624786e759dda9dd7fd1bb97e001e6baea809aa270b87583de2f13a4d8ea3775725af108d0de27a75e9ad65f12ad44a27a
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.davitecco.com
Port
587
Username
[email protected]
Password
J-y2i7#INlWI

Signatures

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

AgentTesla Payload 2 IoCs

resource	yara_rule
behavioral2/memory/648-120-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/648-125-0x000000000043765E-mapping.dmp	family_agenttesla

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 640 set thread context of 648	640	received and accepted.exe	85

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
2676	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
2832	dw20.exe
2832	dw20.exe
1008	powershell.exe
764	powershell.exe
3732	powershell.exe
1008	powershell.exe
3732	powershell.exe
764	powershell.exe
3732	powershell.exe
764	powershell.exe
1008	powershell.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	2832	dw20.exe
Token: SeBackupPrivilege	2832	dw20.exe
Token: SeDebugPrivilege	764	powershell.exe
Token: SeDebugPrivilege	3732	powershell.exe
Token: SeDebugPrivilege	1008	powershell.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 764	640	received and accepted.exe	78
PID 640 wrote to memory of 764	640	received and accepted.exe	78
PID 640 wrote to memory of 764	640	received and accepted.exe	78
PID 640 wrote to memory of 1008	640	received and accepted.exe	80
PID 640 wrote to memory of 1008	640	received and accepted.exe	80
PID 640 wrote to memory of 1008	640	received and accepted.exe	80
PID 640 wrote to memory of 2676	640	received and accepted.exe	82
PID 640 wrote to memory of 2676	640	received and accepted.exe	82
PID 640 wrote to memory of 2676	640	received and accepted.exe	82
PID 640 wrote to memory of 3732	640	received and accepted.exe	84
PID 640 wrote to memory of 3732	640	received and accepted.exe	84
PID 640 wrote to memory of 3732	640	received and accepted.exe	84
PID 640 wrote to memory of 648	640	received and accepted.exe	85
PID 640 wrote to memory of 648	640	received and accepted.exe	85
PID 640 wrote to memory of 648	640	received and accepted.exe	85
PID 640 wrote to memory of 648	640	received and accepted.exe	85
PID 640 wrote to memory of 648	640	received and accepted.exe	85
PID 640 wrote to memory of 648	640	received and accepted.exe	85
PID 640 wrote to memory of 648	640	received and accepted.exe	85
PID 640 wrote to memory of 648	640	received and accepted.exe	85
PID 648 wrote to memory of 2832	648	received and accepted.exe	87
PID 648 wrote to memory of 2832	648	received and accepted.exe	87
PID 648 wrote to memory of 2832	648	received and accepted.exe	87

C:\Users\Admin\AppData\Local\Temp\received and accepted.exe
"C:\Users\Admin\AppData\Local\Temp\received and accepted.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:640
- 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\received and accepted.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:764
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kZktqJisyJV.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1008
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kZktqJisyJV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6359.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2676
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kZktqJisyJV.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3732
- C:\Users\Admin\AppData\Local\Temp\received and accepted.exe
  "C:\Users\Admin\AppData\Local\Temp\received and accepted.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:648
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 692
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2832

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/640-114-0x0000000003100000-0x0000000003101000-memory.dmp

Download

memory/648-120-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/648-130-0x0000000003190000-0x0000000003191000-memory.dmp

Download

memory/764-140-0x0000000004582000-0x0000000004583000-memory.dmp

Download

memory/764-197-0x0000000004583000-0x0000000004584000-memory.dmp

Download

memory/764-195-0x000000007EF60000-0x000000007EF61000-memory.dmp

Download

memory/764-138-0x0000000004580000-0x0000000004581000-memory.dmp

Download

memory/764-155-0x0000000007860000-0x0000000007861000-memory.dmp

Download

memory/764-152-0x0000000007A00000-0x0000000007A01000-memory.dmp

Download

memory/1008-194-0x000000007E6B0000-0x000000007E6B1000-memory.dmp

Download

memory/1008-161-0x0000000008430000-0x0000000008431000-memory.dmp

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memory/1008-141-0x0000000004932000-0x0000000004933000-memory.dmp

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memory/1008-146-0x0000000007A10000-0x0000000007A11000-memory.dmp

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memory/1008-149-0x0000000007B70000-0x0000000007B71000-memory.dmp

Download

memory/1008-199-0x0000000004933000-0x0000000004934000-memory.dmp

Download

memory/1008-137-0x0000000004930000-0x0000000004931000-memory.dmp

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memory/1008-131-0x0000000004940000-0x0000000004941000-memory.dmp

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memory/1008-185-0x00000000091C0000-0x00000000091F3000-memory.dmp

Download

memory/3732-142-0x00000000069C2000-0x00000000069C3000-memory.dmp

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memory/3732-134-0x0000000007000000-0x0000000007001000-memory.dmp

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memory/3732-158-0x0000000007E00000-0x0000000007E01000-memory.dmp

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memory/3732-196-0x000000007E320000-0x000000007E321000-memory.dmp

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memory/3732-198-0x00000000069C3000-0x00000000069C4000-memory.dmp

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memory/3732-139-0x00000000069C0000-0x00000000069C1000-memory.dmp

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memory/3732-143-0x0000000006EF0000-0x0000000006EF1000-memory.dmp

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