agenttesla | 135307c748f6df6807adc3e83302e583abe225d19260ab1b7b946d8647fe09a6

General

Target

PO No. PO MAM 20-21 IMP DOCUMENTS.exe
Size

982KB
MD5

5f52ec0346ea8b6b254fa42c589f8453
SHA1

22950bb7ab00c4463de35aebf0fd73c98e102047
SHA256

15855715a9f9200ec5ec4170926fb9f295b55ba15b331bd9a1031ea0f6baa2b7
SHA512

82774d319f563028100cdf62277f774f65c30a7bfa0da0882543801ca6533d47eeb87cb8c2ac20439d282a3cf1a459d6eee1cbda571d203e6310ed2f9b55a14c
SSDEEP

24576:+aiZucOaCrYz4jEmW/g+pCJX9UEVWrNvgx9Rr:HcyrKmW/PwJXRVQNvk

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
too214365

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/2564-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2564-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2564-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2564-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2564-10-0x0000000000400000-0x000000000043C000-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 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO No. PO MAM 20-21 IMP DOCUMENTS.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO No. PO MAM 20-21 IMP DOCUMENTS.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO No. PO MAM 20-21 IMP DOCUMENTS.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2564	2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe	31

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	PO No. PO MAM 20-21 IMP DOCUMENTS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO No. PO MAM 20-21 IMP DOCUMENTS.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe
2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe
2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe
2564	PO No. PO MAM 20-21 IMP DOCUMENTS.exe
2564	PO No. PO MAM 20-21 IMP DOCUMENTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe
Token: SeDebugPrivilege	2564	PO No. PO MAM 20-21 IMP DOCUMENTS.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2564	2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe	31
PID 2700 wrote to memory of 2564	2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe	31
PID 2700 wrote to memory of 2564	2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe	31
PID 2700 wrote to memory of 2564	2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe	31
PID 2700 wrote to memory of 2564	2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe	31
PID 2700 wrote to memory of 2564	2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe	31
PID 2700 wrote to memory of 2564	2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe	31
PID 2700 wrote to memory of 2564	2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe	31
PID 2700 wrote to memory of 2564	2700	PO No. PO MAM 20-21 IMP DOCUMENTS.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO No. PO MAM 20-21 IMP DOCUMENTS.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO No. PO MAM 20-21 IMP DOCUMENTS.exe

C:\Users\Admin\AppData\Local\Temp\PO No. PO MAM 20-21 IMP DOCUMENTS.exe
"C:\Users\Admin\AppData\Local\Temp\PO No. PO MAM 20-21 IMP DOCUMENTS.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Local\Temp\PO No. PO MAM 20-21 IMP DOCUMENTS.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:2564

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

3

T1552

Credentials In Files

3

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/2564-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2564-22-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2564-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2564-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2564-26-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2564-25-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2564-24-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2564-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2564-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2564-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2564-23-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2564-27-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2564-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2564-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2700-6-0x0000000004AA0000-0x0000000004AFA000-memory.dmp

Filesize
360KB

Download
memory/2700-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/2700-21-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-2-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-7-0x00000000050E0000-0x0000000005132000-memory.dmp

Filesize
328KB

Download
memory/2700-1-0x00000000013A0000-0x000000000149C000-memory.dmp

Filesize
1008KB

Download
memory/2700-5-0x0000000074D30000-0x000000007541E000-memory.dmp

Filesize
6.9MB

Download
memory/2700-4-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

Filesize
4KB

Download
memory/2700-3-0x0000000000410000-0x0000000000422000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing