agenttesla | 1f4bd1189444edf896aa872c12f47f614a17566da7eeebf09259f6ee10e9b320

General

Target

datasheet.exe
Size

636KB
MD5

4c7e7bd9eaf56b3936be87a6904f70f8
SHA1

22591d29813790d622a1d49a1e0bf91b20235cf6
SHA256

429e0fa9706ee65774188e538bda0b69a15fb93e97864cedb88e33c650ed9538
SHA512

108e542f79d97dcb73490acd04718a56adda3d000e844ad71f0721b3b12d2a06ccb9b28a00e0d2443f2bb5c680617e316ce4a84c98a5e8f4f29ade1ff9c0be70
SSDEEP

12288:NyAgFdVoC/HeIMOBkXKxh3IfDj3oSPYzeyu0Lu/bs1D0bWCiYNR/WBS9vD:wAgVoC/HemBNheP3Xg6yTLug0WC7ROB0

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
marcellinus360

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
marcellinus360
Email To:
[email protected]

Signatures

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

Processes:

powershell.exepowershell.exe

pid process

2772 powershell.exe
2184 powershell.exe
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

datasheet.exe

description pid process target process

PID 2484 set thread context of 2528 2484 datasheet.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2772	powershell.exe
2184	powershell.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 2484 set thread context of 2528	2484	datasheet.exe	RegSvcs.exe

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

Processes:

powershell.exepowershell.exeschtasks.exeRegSvcs.exedatasheet.exe

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	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	datasheet.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

Processes:

schtasks.exe

pid process

2548 schtasks.exe

pid	process
2548	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

datasheet.exeRegSvcs.exepowershell.exepowershell.exe

pid	process
2484	datasheet.exe
2484	datasheet.exe
2484	datasheet.exe
2484	datasheet.exe
2484	datasheet.exe
2484	datasheet.exe
2484	datasheet.exe
2528	RegSvcs.exe
2528	RegSvcs.exe
2772	powershell.exe
2184	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

datasheet.exeRegSvcs.exepowershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	2484	datasheet.exe
Token: SeDebugPrivilege	2528	RegSvcs.exe
Token: SeDebugPrivilege	2184	powershell.exe
Token: SeDebugPrivilege	2772	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

2528 RegSvcs.exe

pid	process
2528	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

datasheet.exe

description	pid	process	target process
PID 2484 wrote to memory of 2772	2484	datasheet.exe	powershell.exe
PID 2484 wrote to memory of 2772	2484	datasheet.exe	powershell.exe
PID 2484 wrote to memory of 2772	2484	datasheet.exe	powershell.exe
PID 2484 wrote to memory of 2772	2484	datasheet.exe	powershell.exe
PID 2484 wrote to memory of 2184	2484	datasheet.exe	powershell.exe
PID 2484 wrote to memory of 2184	2484	datasheet.exe	powershell.exe
PID 2484 wrote to memory of 2184	2484	datasheet.exe	powershell.exe
PID 2484 wrote to memory of 2184	2484	datasheet.exe	powershell.exe
PID 2484 wrote to memory of 2548	2484	datasheet.exe	schtasks.exe
PID 2484 wrote to memory of 2548	2484	datasheet.exe	schtasks.exe
PID 2484 wrote to memory of 2548	2484	datasheet.exe	schtasks.exe
PID 2484 wrote to memory of 2548	2484	datasheet.exe	schtasks.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe
PID 2484 wrote to memory of 2528	2484	datasheet.exe	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\datasheet.exe
"C:\Users\Admin\AppData\Local\Temp\datasheet.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2484
- 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\datasheet.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2772
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EhzaIxEFbjyd.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2184
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EhzaIxEFbjyd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp384F.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2548
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2528

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp384F.tmp

Filesize
1KB

MD5
156e53199edcae5a9bff59eb92d6b8a4

SHA1
538a850a61ded6617adf8b19cfbda6a7352b3d6f

SHA256
fe9b82c28f04f94960a3ebe207f431b8e444551f1622165dea3d5518ce0f269f

SHA512
a3d952715ad892160ddbeaa5308504797fb3d1fbdba140e267f03ea82981f4d97060050a6947207b86c489c1c2003e3e86c44b99cf482eeaf95925e1d78bef7d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\3RFUW6ZBRQ0X6TQOQM07.temp

Filesize
7KB

MD5
1b342928cdc941bb4d56a3bdfb251c3d

SHA1
08acaeb057ee9660b8f2705f8c20c2605d864a06

SHA256
4e7404ec8cd4354995b870eed44043e620fa15f61cc6b139ba218b4363e71be0

SHA512
203e072e1c1eb1c2e8519bf9854b3007054b73c8307451ad0756b7e45251bd5989e59ff718f50db8312b81eaa177c25508e6c00d7bc020fb3556cf609b699449

Download Submit
memory/2484-4-0x0000000000590000-0x00000000005A2000-memory.dmp

Filesize
72KB

Download
memory/2484-31-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/2484-0-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download
memory/2484-5-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/2484-6-0x0000000005200000-0x0000000005288000-memory.dmp

Filesize
544KB

Download
memory/2484-2-0x00000000745B0000-0x0000000074C9E000-memory.dmp

Filesize
6.9MB

Download
memory/2484-1-0x0000000000250000-0x00000000002F6000-memory.dmp

Filesize
664KB

Download
memory/2484-3-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download
memory/2528-20-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2528-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2528-25-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2528-28-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2528-29-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2528-30-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2528-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2528-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads