agenttesla | ca455bb9b82d718c9c9a85e9f588d85a0bd78b6a632c5c9d0480ee40180620e9

General

Target

39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
Size

496KB
MD5

6285ae9a1953232716b7817c6bce1ba6
SHA1

8ea818cd4c61b6c53a5eea7f5ff19cdd9e60a8fb
SHA256

39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287
SHA512

2dbdebc96f92dfda7a146f3ade91af8b4ac66ab9dd9d51b5efb72a0b5cd789086b49cdb435e837a013d7a29e9a4a9c148ad5ece84e2129fad84c5944b9485581
SSDEEP

12288:fPVEdXo7/apwbQB6R751Hlie+XhTalWP6lTcNeH1ug2nMnMqDXWxbnN:3VKu/jbp3lihmUiKwHs

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1944842353:AAF4AUZAlM1Eseaom3hr9cg9ol6hzIat_qw/sendDocument

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/4032-18-0x0000000000400000-0x000000000043C000-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe

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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4036 set thread context of 4032	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	100

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	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
1908	schtasks.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4032	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4032	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
Token: SeDebugPrivilege	4032	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
4032	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 1908	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	95
PID 4036 wrote to memory of 1908	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	95
PID 4036 wrote to memory of 1908	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	95
PID 4036 wrote to memory of 5048	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	97
PID 4036 wrote to memory of 5048	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	97
PID 4036 wrote to memory of 5048	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	97
PID 4036 wrote to memory of 4568	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	98
PID 4036 wrote to memory of 4568	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	98
PID 4036 wrote to memory of 4568	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	98
PID 4036 wrote to memory of 4240	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	99
PID 4036 wrote to memory of 4240	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	99
PID 4036 wrote to memory of 4240	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	99
PID 4036 wrote to memory of 4032	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	100
PID 4036 wrote to memory of 4032	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	100
PID 4036 wrote to memory of 4032	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	100
PID 4036 wrote to memory of 4032	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	100
PID 4036 wrote to memory of 4032	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	100
PID 4036 wrote to memory of 4032	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	100
PID 4036 wrote to memory of 4032	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	100
PID 4036 wrote to memory of 4032	4036	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe	100

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe

C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
"C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe"
1⤵
- Checks computer location settings
- 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:4036
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aIsPxrpSE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3C1A.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1908
- C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
  "C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe"
  2⤵
  PID:5048
- C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
  "C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe"
  2⤵
  PID:4568
- C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
  "C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe"
  2⤵
  PID:4240
- C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.exe
  "C:\Users\Admin\AppData\Local\Temp\39b52356da1f35c5bad343eea8880f4d8bdd6c0228a7a9b85e5f0117c6296287.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:4032

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

Query Registry

1

T1012

System Information Discovery

2

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

memory/4032-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4032-27-0x0000000006BE0000-0x0000000006C30000-memory.dmp

Filesize
320KB

Download
memory/4032-26-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4032-25-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4032-24-0x0000000005D30000-0x0000000005D96000-memory.dmp

Filesize
408KB

Download
memory/4032-23-0x00000000057B0000-0x00000000057C8000-memory.dmp

Filesize
96KB

Download
memory/4032-22-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4032-20-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4036-10-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4036-21-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4036-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/4036-11-0x0000000008A20000-0x0000000008ABC000-memory.dmp

Filesize
624KB

Download
memory/4036-12-0x0000000008B20000-0x0000000008B80000-memory.dmp

Filesize
384KB

Download
memory/4036-8-0x000000000AE40000-0x000000000AE4E000-memory.dmp

Filesize
56KB

Download
memory/4036-7-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4036-9-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

Filesize
4KB

Download
memory/4036-6-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4036-5-0x0000000002E60000-0x0000000002E6A000-memory.dmp

Filesize
40KB

Download
memory/4036-4-0x0000000074E00000-0x00000000755B0000-memory.dmp

Filesize
7.7MB

Download
memory/4036-3-0x00000000078A0000-0x0000000007932000-memory.dmp

Filesize
584KB

Download
memory/4036-2-0x0000000007D70000-0x0000000008314000-memory.dmp

Filesize
5.6MB

Download
memory/4036-1-0x0000000000AA0000-0x0000000000B22000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads