agenttesla | b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809

General

Target

b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe
Size

523KB
MD5

c2a261043c78bdcf91683be75ef8031b
SHA1

66d8059610c9107c751526f675777f9d11ff1489
SHA256

b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809
SHA512

2b3cb50b68765c3dd701b25b1ee4f0784a2573c8101983b1eee65d490e924d814b57e5b342c0c5c6535e95516b6f4dc3e65aacf78d9999351a314e188254e867
SSDEEP

12288:iYcndtWt5LAiFl/rYCCZdd7Us9zue3o1MCksxfbyLJBJkolAgLV:iYcWtiijrYCCZdNUKzua+M7sxc

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
darkeyedarkeye12

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
darkeyedarkeye12

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2432 set thread context of 1324	2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe	103

System Location Discovery: System Language Discovery 1 TTPs 2 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	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe
2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe
2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe
1324	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe
1324	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe
Token: SeDebugPrivilege	1324	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 1324	2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe	103
PID 2432 wrote to memory of 1324	2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe	103
PID 2432 wrote to memory of 1324	2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe	103
PID 2432 wrote to memory of 1324	2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe	103
PID 2432 wrote to memory of 1324	2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe	103
PID 2432 wrote to memory of 1324	2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe	103
PID 2432 wrote to memory of 1324	2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe	103
PID 2432 wrote to memory of 1324	2432	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe

C:\Users\Admin\AppData\Local\Temp\b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe
"C:\Users\Admin\AppData\Local\Temp\b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432
- C:\Users\Admin\AppData\Local\Temp\b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\b255b004c99d71df7ba70055a72da589e5b390a1878858d9b4c86d003eb19809.exe.log

Filesize
496B

MD5
7baa6583f69f63f7230df9bf98448356

SHA1
fe9eb85b57192362da704a3c130377fe83862320

SHA256
a632504621b4cac1d5ba5465c7ad9b30f3d036e9838682506782124a211bed4f

SHA512
0e72541791281c0fdac1f5fc6beea0b9eb8766b2a386aecb92cb8a44e5b59b7114c79194393ddeff957ffe86021a311caed7ce2731b863d97ad441870efbc051

Download Submit
memory/1324-11-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1324-17-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1324-16-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1324-15-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1324-14-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1324-13-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1324-6-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1324-12-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1324-9-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/2432-4-0x0000000074962000-0x0000000074963000-memory.dmp

Filesize
4KB

Download
memory/2432-10-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/2432-5-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/2432-0-0x0000000074962000-0x0000000074963000-memory.dmp

Filesize
4KB

Download
memory/2432-3-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/2432-2-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/2432-1-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads