agenttesla | 04c14c005ffff7fc3b47a608e6945310305d81958813b5e3552250e6823ff766

General

Target

JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe
Size

539KB
MD5

634657bd61352689f76e1ad691f569f8
SHA1

0c3a0c59080e59b29bee05fa871e77c5e5e221f1
SHA256

04c14c005ffff7fc3b47a608e6945310305d81958813b5e3552250e6823ff766
SHA512

22bac142024a844560a10f96c3297acf52c57bbd3a4b9cf34e6b80c78675b6b478402527692cd6f7dd27759ceec9b250813d7da4adf94b715fb4723f7b5b987a
SSDEEP

12288:bbTiHR6Ibw8eGi/qOYUQmDDrfgM33b2jaVjzqh1Fuicr6XqJFTP:b+dbw8eGXe9b3rgaV3qh1FuiW6Xq

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.grodno.by
Port:
587
Username:
[email protected]
Password:
9qd8$2NonPD

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/5072-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_634657bd61352689f76e1ad691f569f8.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
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-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 544 set thread context of 5072	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	91

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 3 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	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_634657bd61352689f76e1ad691f569f8.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
2600	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe
5072	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe
5072	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe
Token: SeDebugPrivilege	5072	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5072	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 544 wrote to memory of 2600	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	89
PID 544 wrote to memory of 2600	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	89
PID 544 wrote to memory of 2600	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	89
PID 544 wrote to memory of 5072	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	91
PID 544 wrote to memory of 5072	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	91
PID 544 wrote to memory of 5072	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	91
PID 544 wrote to memory of 5072	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	91
PID 544 wrote to memory of 5072	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	91
PID 544 wrote to memory of 5072	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	91
PID 544 wrote to memory of 5072	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	91
PID 544 wrote to memory of 5072	544	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:544
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BNurTdbuLCTOA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1F4B.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2600
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_634657bd61352689f76e1ad691f569f8.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:5072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\Temp\tmp1F4B.tmp

Filesize
1KB

MD5
6916f69156c1777710e3a0635fca5d94

SHA1
850737d74f4b5c9ade9f8b3abf2ab90dd792d85b

SHA256
d0b0dff83ec8130e39a055f85bf025e08879a4df3cd00dc2fd626a6b8c0cb982

SHA512
578a03e79d0a7493504293a056eda35dea32452d6dba5745dfc70bddeb0bdc24f4af307517c8449057b946530a560ed9d102a06901e1fd0f080bff259e1730ea

Download Submit
memory/544-12-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/544-0-0x00000000747F2000-0x00000000747F3000-memory.dmp

Filesize
4KB

Download
memory/544-3-0x00000000747F2000-0x00000000747F3000-memory.dmp

Filesize
4KB

Download
memory/544-4-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/544-5-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/544-1-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/544-2-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-14-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5072-13-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-11-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-15-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-16-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-17-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download
memory/5072-18-0x00000000747F0000-0x0000000074DA1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads