agenttesla | fdf398249b1bf082f3fde0614079e4baea689aa36bc4902b986f66018f20b159

General

Target

Euro 11,600..Bankasi.exe
Size

446KB
MD5

ad58a309226967471f0573a65e1c02f2
SHA1

95e0e2e3e1a1415f631c7bc4a361731b1022e388
SHA256

06face53825c51be55c3ad20e23c5d4c4f8714208c7edbc96ec3b3999665df46
SHA512

1e62fd1c2a3000399d364ed8e959f84fbc12ee26d4f3bb227a6535bf95b83b9d4e42564f3f3f025ec085fcf8988aadae44db7c4cd5173f136c0e5625898fbb1a
SSDEEP

6144:bC5Mh4dvj2CYhwPDNJvQFeuTEnlNdZPKg9odoin+f79s9ejSXEiXElkHanM53:Th4dvtlDNJvQ4uIbdQd7+KMmEiXtc

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.guthrie.com.sg
Port:
587
Username:
[email protected]
Password:
gut.com.sg

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/2700-17-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2700-21-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2700-19-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2700-13-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/2700-11-0x0000000000400000-0x0000000000450000-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 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 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
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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Euro 11,600..Bankasi.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Euro 11,600..Bankasi.exe
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Euro 11,600..Bankasi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1196 set thread context of 2700	1196	Euro 11,600..Bankasi.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	Euro 11,600..Bankasi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Euro 11,600..Bankasi.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2260	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2700	Euro 11,600..Bankasi.exe
2700	Euro 11,600..Bankasi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	Euro 11,600..Bankasi.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 2260	1196	Euro 11,600..Bankasi.exe	30
PID 1196 wrote to memory of 2260	1196	Euro 11,600..Bankasi.exe	30
PID 1196 wrote to memory of 2260	1196	Euro 11,600..Bankasi.exe	30
PID 1196 wrote to memory of 2260	1196	Euro 11,600..Bankasi.exe	30
PID 1196 wrote to memory of 2700	1196	Euro 11,600..Bankasi.exe	32
PID 1196 wrote to memory of 2700	1196	Euro 11,600..Bankasi.exe	32
PID 1196 wrote to memory of 2700	1196	Euro 11,600..Bankasi.exe	32
PID 1196 wrote to memory of 2700	1196	Euro 11,600..Bankasi.exe	32
PID 1196 wrote to memory of 2700	1196	Euro 11,600..Bankasi.exe	32
PID 1196 wrote to memory of 2700	1196	Euro 11,600..Bankasi.exe	32
PID 1196 wrote to memory of 2700	1196	Euro 11,600..Bankasi.exe	32
PID 1196 wrote to memory of 2700	1196	Euro 11,600..Bankasi.exe	32
PID 1196 wrote to memory of 2700	1196	Euro 11,600..Bankasi.exe	32

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Euro 11,600..Bankasi.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Euro 11,600..Bankasi.exe

C:\Users\Admin\AppData\Local\Temp\Euro 11,600..Bankasi.exe
"C:\Users\Admin\AppData\Local\Temp\Euro 11,600..Bankasi.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\evirTHUKyc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA563.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2260
- C:\Users\Admin\AppData\Local\Temp\Euro 11,600..Bankasi.exe
  "{path}"
  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:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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 Information Discovery

1

T1082

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA563.tmp

Filesize
1KB

MD5
7f00f6abac6e450c71e1af451c1d2045

SHA1
8a161f996f4be89e3392e3014a98e6549e0f88c5

SHA256
2a63f4327c3e8334da36279b5a48510511190c0562ecdd6666161a74a8cebaff

SHA512
a43e2b215a741f440cddc7a99fd19ca9cb213e81c19fddb11e490ec31366ca6faeebe4ad9e83ba6959f636023b6adcf18d2d05425c167ba8bbee444f533262f0

Download Submit
memory/1196-0-0x00000000747D1000-0x00000000747D2000-memory.dmp

Filesize
4KB

Download
memory/1196-1-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/1196-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/1196-3-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/1196-22-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2700-19-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2700-21-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2700-17-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2700-23-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2700-9-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2700-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2700-13-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2700-11-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2700-10-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2700-24-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2700-25-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download
memory/2700-26-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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