agenttesla | 7330843cc033439a7451656bdc0723f9b64f19eb8ba5da0ef4d65aa665b76d3a

General

Target

f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
Size

612KB
MD5

f11f34f9b8d03cd0e3ad76f65b14d604
SHA1

fe9381a4b57c295954744db12aee91e1147a38ca
SHA256

7330843cc033439a7451656bdc0723f9b64f19eb8ba5da0ef4d65aa665b76d3a
SHA512

1aca8259403a44c8c9408bf976a332f26b1d62760e6a14d9765e2d38a4653e2decc4edd704cec709d8364e1c06faf6489169525b9ac04bfb2fb1a621a4c80bab
SSDEEP

12288:q1PLka6eiP0Q6tbFvsOELKbddpUcDXp/qGe8Sv4aXm6rz5y7:wY/sT9FkKdpnUd804ek

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.tpts4seed.net
Port:
587
Username:
[email protected]
Password:
krested123

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/1488-21-0x0000000000400000-0x0000000000464000-memory.dmp	family_agenttesla
behavioral1/memory/1488-19-0x0000000000400000-0x0000000000464000-memory.dmp	family_agenttesla
behavioral1/memory/1488-17-0x0000000000400000-0x0000000000464000-memory.dmp	family_agenttesla
behavioral1/memory/1488-13-0x0000000000400000-0x0000000000464000-memory.dmp	family_agenttesla
behavioral1/memory/1488-11-0x0000000000400000-0x0000000000464000-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
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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 1488	2908	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	30

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	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1488	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
1488	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1488	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1488	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 1488	2908	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	30
PID 2908 wrote to memory of 1488	2908	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	30
PID 2908 wrote to memory of 1488	2908	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	30
PID 2908 wrote to memory of 1488	2908	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	30
PID 2908 wrote to memory of 1488	2908	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	30
PID 2908 wrote to memory of 1488	2908	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	30
PID 2908 wrote to memory of 1488	2908	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	30
PID 2908 wrote to memory of 1488	2908	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	30
PID 2908 wrote to memory of 1488	2908	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\Temp\f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f11f34f9b8d03cd0e3ad76f65b14d604_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:1488

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

2

T1552

Credentials In Files

2

T1552.001

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

Replay Monitor

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Downloads

memory/1488-10-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1488-13-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1488-9-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1488-21-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1488-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1488-11-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1488-17-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1488-19-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/1488-25-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/1488-24-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/1488-22-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-7-0x00000000009B0000-0x0000000000A16000-memory.dmp

Filesize
408KB

Download
memory/2908-6-0x00000000074E0000-0x0000000007566000-memory.dmp

Filesize
536KB

Download
memory/2908-1-0x0000000000C70000-0x0000000000D10000-memory.dmp

Filesize
640KB

Download
memory/2908-5-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/2908-4-0x00000000743CE000-0x00000000743CF000-memory.dmp

Filesize
4KB

Download
memory/2908-3-0x00000000003F0000-0x00000000003FA000-memory.dmp

Filesize
40KB

Download
memory/2908-23-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2908-2-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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