agenttesla | bebc3da436336c51dd91d24c9f57dc84743775f89f878c0eee75d442372b3749

General

Target

3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe
Size

839KB
MD5

3bc86ac6b99cd20ae67a38f81396aca5
SHA1

8ca449b1fde37550983f4b9ff839748d7e227f12
SHA256

bebc3da436336c51dd91d24c9f57dc84743775f89f878c0eee75d442372b3749
SHA512

c6c3c0989f75dc88548ed8f2ba4801328034377939736416299ea4496d7bf73e79ff12906f5d9e9fe2b51aae2a65cee56f3ad13d078d60cbb5fdd84c75e77f75
SSDEEP

12288:LIfKxn3qGaNHEyC9/oR9gy5FHK7znJ8oL6LuUe6pD24QGGnC+i8KQKcusXgPTlrf:LkKpPp9AR95yaoLEa9M+5XgrlL

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.kenmascs.com
Port:
587
Username:
[email protected]
Password:
Kenya254!
Email To:
[email protected]

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/952-18-0x0000000000400000-0x000000000043C000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.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-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 760 set thread context of 952	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	93

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	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.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
4592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe
952	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe
952	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe
Token: SeDebugPrivilege	952	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
952	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 760 wrote to memory of 4592	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	91
PID 760 wrote to memory of 4592	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	91
PID 760 wrote to memory of 4592	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	91
PID 760 wrote to memory of 952	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	93
PID 760 wrote to memory of 952	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	93
PID 760 wrote to memory of 952	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	93
PID 760 wrote to memory of 952	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	93
PID 760 wrote to memory of 952	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	93
PID 760 wrote to memory of 952	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	93
PID 760 wrote to memory of 952	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	93
PID 760 wrote to memory of 952	760	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe	93

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	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.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	3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.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:760
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IIdcXydjwkmx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D43.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:4592
- C:\Users\Admin\AppData\Local\Temp\3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\3bc86ac6b99cd20ae67a38f81396aca5_JaffaCakes118.exe"
  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:952

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\tmp3D43.tmp

Filesize
1KB

MD5
1f16948f895d1b023338ba70019cf685

SHA1
bb962202506fae30c5dfb5a3271b2002b28d94cd

SHA256
ec6d50173e06e082313edc6fb5cf6f06a0aeecb8446b2dce521720dbe6a36bd5

SHA512
e26d3612b3e95b331c85855ce2b4d32c6d343bb777ebc0799da2b35b1c94d49a5463fdc7d359b8ed275c3100539d166c6a9f831f913dae542286e1d3a5527e0a

Download Submit
memory/760-12-0x000000000A320000-0x000000000A35C000-memory.dmp

Filesize
240KB

Download
memory/760-22-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/760-3-0x0000000005430000-0x00000000059D4000-memory.dmp

Filesize
5.6MB

Download
memory/760-4-0x0000000004E80000-0x0000000004F12000-memory.dmp

Filesize
584KB

Download
memory/760-6-0x00000000050D0000-0x0000000005126000-memory.dmp

Filesize
344KB

Download
memory/760-7-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/760-5-0x0000000004D90000-0x0000000004D9A000-memory.dmp

Filesize
40KB

Download
memory/760-8-0x0000000006190000-0x00000000061A6000-memory.dmp

Filesize
88KB

Download
memory/760-9-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/760-10-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/760-11-0x0000000007BB0000-0x0000000007C48000-memory.dmp

Filesize
608KB

Download
memory/760-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/760-2-0x0000000004DE0000-0x0000000004E7C000-memory.dmp

Filesize
624KB

Download
memory/760-1-0x0000000000310000-0x00000000003E8000-memory.dmp

Filesize
864KB

Download
memory/952-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/952-21-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/952-20-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/952-23-0x00000000055B0000-0x00000000055C8000-memory.dmp

Filesize
96KB

Download
memory/952-24-0x0000000006210000-0x0000000006276000-memory.dmp

Filesize
408KB

Download
memory/952-25-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/952-26-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/952-27-0x00000000068D0000-0x0000000006920000-memory.dmp

Filesize
320KB

Download
memory/952-28-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download
memory/952-29-0x0000000074690000-0x0000000074E40000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads