agenttesla | b88d4191fa5c0323acbe3ce49ae0a5d3f5e85382f59a91da08e5f601a57f2ce0

General

Target

JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe
Size

915KB
MD5

9cf8b43bd3a4745ffac6ed014f47a398
SHA1

c496bfb1531bebff3e8e28cb9ccbda8a33c42288
SHA256

b88d4191fa5c0323acbe3ce49ae0a5d3f5e85382f59a91da08e5f601a57f2ce0
SHA512

083aa5c79a4c5676cc55773eb6cbb586681c6b2ef48ba9e9b9a5593af701a966a4f46fad921b83f0dd4c8eb8c3fdc0180ddd78c3be19d1d0569725173c5cd993
SSDEEP

12288:e1ExgKPSvX7zCxcoirdwHwhjm+2c1a2uVXpfF7QOYZFkDOglzAKp:1G0STGxcacjahDlDp

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.royals-store.com
Port:
587
Username:
[email protected]
Password:
Experience1994

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/2132-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4864 set thread context of 2132	4864	JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe	99

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	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2132	MSBuild.exe
2132	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2132	MSBuild.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 2132	4864	JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe	99
PID 4864 wrote to memory of 2132	4864	JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe	99
PID 4864 wrote to memory of 2132	4864	JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe	99
PID 4864 wrote to memory of 2132	4864	JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe	99
PID 4864 wrote to memory of 2132	4864	JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe	99
PID 4864 wrote to memory of 2132	4864	JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe	99
PID 4864 wrote to memory of 2132	4864	JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe	99
PID 4864 wrote to memory of 2132	4864	JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cf8b43bd3a4745ffac6ed014f47a398.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2132-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2132-23-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2132-22-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2132-21-0x00000000015C0000-0x0000000001610000-memory.dmp

Filesize
320KB

Download
memory/2132-19-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2132-18-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2132-17-0x0000000006690000-0x00000000066F6000-memory.dmp

Filesize
408KB

Download
memory/2132-16-0x00000000058C0000-0x00000000058D8000-memory.dmp

Filesize
96KB

Download
memory/2132-15-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2132-13-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/4864-5-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/4864-10-0x0000000009690000-0x00000000096F0000-memory.dmp

Filesize
384KB

Download
memory/4864-9-0x0000000009540000-0x00000000095DC000-memory.dmp

Filesize
624KB

Download
memory/4864-14-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/4864-8-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/4864-7-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/4864-6-0x00000000080C0000-0x00000000080CE000-memory.dmp

Filesize
56KB

Download
memory/4864-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/4864-4-0x00000000054B0000-0x00000000054BA000-memory.dmp

Filesize
40KB

Download
memory/4864-3-0x0000000007F00000-0x0000000007F92000-memory.dmp

Filesize
584KB

Download
memory/4864-2-0x00000000083D0000-0x0000000008974000-memory.dmp

Filesize
5.6MB

Download
memory/4864-1-0x0000000000F50000-0x000000000103A000-memory.dmp

Filesize
936KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads