agenttesla | 1e996bace5e1070c4a57bc02bad02a02c90ca14ff1632a92af753f16140dd1aa

General

Target

Curriculum Vitae.exe
Size

401KB
MD5

e9a2e9f1ed8575797604981d5044e140
SHA1

490c2170713f8aec885ae67f5e9dbce7dcba24a7
SHA256

0283cabedfe0c400c64023384f84b80c7c289dd509f61b8aaded1d57ec61cab0
SHA512

328a2e366c7d8b2bf01562b2a3917ce35e46ac720d07f62a3401a7b9251ce75c687b98083b995e3f22c08b2fc3697c653d85f98ef61656962fe142ca7caa3dd7
SSDEEP

6144:shQAY7WxKN7wWVZdgK7SuNdmAfaE3VXJA0w1GDK10zONAiXDTgugHbXVVNOg:sa+eVZltNddVX3CGDKrpvoo

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.ofilsysterns.com
Port:
587
Username:
[email protected]
Password:
@o^M)K*1

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/2140-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4140 set thread context of 2140	4140	Curriculum Vitae.exe	91

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

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4140	Curriculum Vitae.exe
4140	Curriculum Vitae.exe
4140	Curriculum Vitae.exe
4140	Curriculum Vitae.exe
4140	Curriculum Vitae.exe
4140	Curriculum Vitae.exe
4140	Curriculum Vitae.exe
4140	Curriculum Vitae.exe
4140	Curriculum Vitae.exe
2140	Curriculum Vitae.exe
2140	Curriculum Vitae.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4140	Curriculum Vitae.exe
Token: SeDebugPrivilege	2140	Curriculum Vitae.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4140	Curriculum Vitae.exe
4140	Curriculum Vitae.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4140 wrote to memory of 2140	4140	Curriculum Vitae.exe	91
PID 4140 wrote to memory of 2140	4140	Curriculum Vitae.exe	91
PID 4140 wrote to memory of 2140	4140	Curriculum Vitae.exe	91
PID 4140 wrote to memory of 2140	4140	Curriculum Vitae.exe	91
PID 4140 wrote to memory of 2140	4140	Curriculum Vitae.exe	91
PID 4140 wrote to memory of 2140	4140	Curriculum Vitae.exe	91
PID 4140 wrote to memory of 2140	4140	Curriculum Vitae.exe	91
PID 4140 wrote to memory of 2140	4140	Curriculum Vitae.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Curriculum Vitae.exe

C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae.exe
"C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4140
- C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae.exe
  "C:\Users\Admin\AppData\Local\Temp\Curriculum Vitae.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:2140

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

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

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/2140-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2140-23-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/2140-22-0x0000000006440000-0x0000000006490000-memory.dmp

Filesize
320KB

Download
memory/2140-21-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/2140-20-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/2140-19-0x0000000005DE0000-0x0000000005E46000-memory.dmp

Filesize
408KB

Download
memory/2140-18-0x00000000051E0000-0x00000000051F8000-memory.dmp

Filesize
96KB

Download
memory/2140-16-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/2140-15-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/4140-10-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/4140-7-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/4140-11-0x0000000009290000-0x000000000932C000-memory.dmp

Filesize
624KB

Download
memory/4140-12-0x00000000093E0000-0x0000000009440000-memory.dmp

Filesize
384KB

Download
memory/4140-9-0x00000000753BE000-0x00000000753BF000-memory.dmp

Filesize
4KB

Download
memory/4140-8-0x0000000008BD0000-0x0000000008BDE000-memory.dmp

Filesize
56KB

Download
memory/4140-17-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/4140-0-0x00000000753BE000-0x00000000753BF000-memory.dmp

Filesize
4KB

Download
memory/4140-6-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/4140-4-0x0000000005810000-0x000000000581A000-memory.dmp

Filesize
40KB

Download
memory/4140-5-0x00000000753B0000-0x0000000075B60000-memory.dmp

Filesize
7.7MB

Download
memory/4140-3-0x0000000005750000-0x00000000057E2000-memory.dmp

Filesize
584KB

Download
memory/4140-2-0x0000000005DF0000-0x0000000006394000-memory.dmp

Filesize
5.6MB

Download
memory/4140-1-0x0000000000D50000-0x0000000000DBA000-memory.dmp

Filesize
424KB

Download

Analysis

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