agenttesla | 7ace65e8c9b2a4f79b1e29381e4f9885c6e45a96daf7cbad55cbdbe6cda329a6

General

Target

759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
Size

404KB
MD5

759b49238cc787420a29ba23ac177aa7
SHA1

d873b72fc56c86cd4543bca5ae5ca0ee3046e9b3
SHA256

7ace65e8c9b2a4f79b1e29381e4f9885c6e45a96daf7cbad55cbdbe6cda329a6
SHA512

efb4d611e2b72b865c463c2363e99f1cc7c37b525c8360c9e8b073e40564eb3652388de833f4ed8ee733029a60a0a1f88fba2ef759e5f320b7559b617741d842
SSDEEP

6144:DtLiERQ+3HwOz37lwNcrJp79hVYYb7mZZ1To3bo2amQ4U0Lwh+SrMIt0:YESoPzJTjF+Vo386dUQw8

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rapidmail.ec
Port:
587
Username:
[email protected]
Password:
icui4cu2@@
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 5 IoCs

resource	yara_rule
behavioral1/memory/2808-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2808-9-0x0000000000400000-0x000000000043C000-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
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	759b49238cc787420a29ba23ac177aa7_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	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2908 set thread context of 2808	2908	759b49238cc787420a29ba23ac177aa7_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	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2808	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
2808	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2808	2908	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2808	2908	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2808	2908	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2808	2908	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2808	2908	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2808	2908	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2808	2908	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2808	2908	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe	30
PID 2908 wrote to memory of 2808	2908	759b49238cc787420a29ba23ac177aa7_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	759b49238cc787420a29ba23ac177aa7_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	759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\759b49238cc787420a29ba23ac177aa7_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\759b49238cc787420a29ba23ac177aa7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\759b49238cc787420a29ba23ac177aa7_JaffaCakes118.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:2808

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

Loading Replay Monitor...

Downloads

memory/2808-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-21-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-20-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-19-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2808-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

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

Filesize
4KB

Download
memory/2908-3-0x0000000000470000-0x0000000000482000-memory.dmp

Filesize
72KB

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

Filesize
6.9MB

Download
memory/2908-6-0x0000000005480000-0x00000000054E0000-memory.dmp

Filesize
384KB

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

Filesize
6.9MB

Download
memory/2908-18-0x00000000743C0000-0x0000000074AAE000-memory.dmp

Filesize
6.9MB

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

Filesize
4KB

Download
memory/2908-1-0x0000000001220000-0x000000000128C000-memory.dmp

Filesize
432KB

Download

Analysis

Sharing