agenttesla | 27e99a83d076d11fb1d1d9900edbad696f2f2a5ba528e1f8c0c1b8aeb112bbdf

General

Target

QUOTATION FOR NOVERBER.exe
Size

571KB
MD5

e05f2cd84e4e9a44fc5c7367b8b66549
SHA1

c9b3e5401d4dd2cb0177c2724f249f49851e6908
SHA256

25f75aeaa9ff41505c50384218858fcbb23fe4559e82fd6d670ceeaece9684f1
SHA512

9190f2646e63551cebcad40d6e2cbbd4b803ab8cfea510a2f1701b78c7e587b2082689241eea22142cafdabd7771ac339e45b06edd21e04706fbc210107f246a
SSDEEP

12288:Zzos6Ibw8eGYUTRCa5y6jFAh0vL3C0ASmX2R/BtjqJFTP:ZPdbw8eGt/5y6jFAeL3C0hmX2Rptjq

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.grodno.by
Port:
587
Username:
[email protected]
Password:
9qd8$2NonPD

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/816-9-0x0000000000400000-0x000000000043C000-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

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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	QUOTATION FOR NOVERBER.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-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION FOR NOVERBER.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION FOR NOVERBER.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION FOR NOVERBER.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2088 set thread context of 816	2088	QUOTATION FOR NOVERBER.exe	99

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	QUOTATION FOR NOVERBER.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	QUOTATION FOR NOVERBER.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
2972	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2088	QUOTATION FOR NOVERBER.exe
816	QUOTATION FOR NOVERBER.exe
816	QUOTATION FOR NOVERBER.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2088	QUOTATION FOR NOVERBER.exe
Token: SeDebugPrivilege	816	QUOTATION FOR NOVERBER.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
816	QUOTATION FOR NOVERBER.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2088 wrote to memory of 2972	2088	QUOTATION FOR NOVERBER.exe	97
PID 2088 wrote to memory of 2972	2088	QUOTATION FOR NOVERBER.exe	97
PID 2088 wrote to memory of 2972	2088	QUOTATION FOR NOVERBER.exe	97
PID 2088 wrote to memory of 816	2088	QUOTATION FOR NOVERBER.exe	99
PID 2088 wrote to memory of 816	2088	QUOTATION FOR NOVERBER.exe	99
PID 2088 wrote to memory of 816	2088	QUOTATION FOR NOVERBER.exe	99
PID 2088 wrote to memory of 816	2088	QUOTATION FOR NOVERBER.exe	99
PID 2088 wrote to memory of 816	2088	QUOTATION FOR NOVERBER.exe	99
PID 2088 wrote to memory of 816	2088	QUOTATION FOR NOVERBER.exe	99
PID 2088 wrote to memory of 816	2088	QUOTATION FOR NOVERBER.exe	99
PID 2088 wrote to memory of 816	2088	QUOTATION FOR NOVERBER.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION FOR NOVERBER.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	QUOTATION FOR NOVERBER.exe

C:\Users\Admin\AppData\Local\Temp\QUOTATION FOR NOVERBER.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTATION FOR NOVERBER.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 WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XxvILxuygLiyfK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp29F9.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2972
- C:\Users\Admin\AppData\Local\Temp\QUOTATION FOR NOVERBER.exe
  "{path}"
  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:816

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

C:\Users\Admin\AppData\Local\Temp\tmp29F9.tmp

Filesize
1KB

MD5
001390adf77efa463b4b09a7c369ac04

SHA1
e6c4eb78723d78ef10893b0abd234eecbaa7f889

SHA256
2ac5b7645f86cecd265b8b061d2f7c44bd6ca68c0819bdd36c030687140f4ca7

SHA512
d744dc82899463e2102792b880b5c112c5b30f0bd0234ee88f477323709a5d3c14aa920987556938985fbbc5ad09e95a0da48668467f1712e5411c4faa708897

Download Submit
memory/816-11-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/816-18-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/816-17-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/816-16-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/816-15-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/816-14-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/816-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/816-13-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2088-4-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2088-12-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2088-5-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2088-0-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/2088-3-0x0000000074972000-0x0000000074973000-memory.dmp

Filesize
4KB

Download
memory/2088-2-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download
memory/2088-1-0x0000000074970000-0x0000000074F21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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