agenttesla | c486e1164e6673d53529376e153bbec949ea988da1a167e5dbb9f4cd0234fdef

General

Target

d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe
Size

409KB
MD5

d67fc10f76f8972f3bc50b83993d4c06
SHA1

8ba0380b9deeea8518ca06bd5ff0bc673df27cfe
SHA256

c486e1164e6673d53529376e153bbec949ea988da1a167e5dbb9f4cd0234fdef
SHA512

a9edc983a505cb4e15bda5660e8cc7c2991157b73512a52f1424b30b7a46bb468d01303da6b67fa6b9ac09305a1bcc891eb9c2a6f80474df0b07cd6ac5bbe22d
SSDEEP

6144:h/3LfSkSjc8f1p7CUrN9oKZqTdE2TX0SacNjjIdR7AcXoE5ARd27XdmIUw3RERKW:F+3LCUrN97+YmIUBLd2Liw3RERHl

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
JuCbr%o3

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/764-5-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2456 set thread context of 764	2456	d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe	96

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	d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
764	RegSvcs.exe
764	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	764	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 764	2456	d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe	96
PID 2456 wrote to memory of 764	2456	d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe	96
PID 2456 wrote to memory of 764	2456	d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe	96
PID 2456 wrote to memory of 764	2456	d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe	96
PID 2456 wrote to memory of 764	2456	d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe	96
PID 2456 wrote to memory of 764	2456	d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe	96
PID 2456 wrote to memory of 764	2456	d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe	96
PID 2456 wrote to memory of 764	2456	d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe	96

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d67fc10f76f8972f3bc50b83993d4c06_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  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:764

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/764-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/764-7-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/764-9-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/764-10-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/764-11-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/764-12-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/2456-0-0x0000000075562000-0x0000000075563000-memory.dmp

Filesize
4KB

Download
memory/2456-1-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/2456-2-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/2456-3-0x0000000075562000-0x0000000075563000-memory.dmp

Filesize
4KB

Download
memory/2456-4-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download
memory/2456-8-0x0000000075560000-0x0000000075B11000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing