agenttesla | 0a8368bab522deb622eca5805bc7bc6da0d4a6a63fae959c41c22c7d0b5ffa63

General

Target

New PO #23546738.exe
Size

707KB
MD5

80c0b9e8a00242d0fb960584d89d745e
SHA1

fb6bb9c955f030eb906e532813f7c7c6102ec55e
SHA256

0a8368bab522deb622eca5805bc7bc6da0d4a6a63fae959c41c22c7d0b5ffa63
SHA512

539017fd581d853b9e369eea90447001b08eb816948b3ab45fc9b082cfaaf65f1bb4b3af6cefb22bb1aae3190917ef47d41ce4c1794d546c2e023b628c6d3a71
SSDEEP

12288:l3B2nTxM9+/nT92EiggkPIYP1QF7MKqv27bYyywV37Zb:lSbT92E8kPT1QFJ22GwVrF

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
olu chu kwu 554
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
5	api.ipify.org
4	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 996	1740	New PO #23546738.exe	28

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
1380	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1740	New PO #23546738.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	New PO #23546738.exe
Token: SeDebugPrivilege	996	New PO #23546738.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1380	1740	New PO #23546738.exe	26
PID 1740 wrote to memory of 1380	1740	New PO #23546738.exe	26
PID 1740 wrote to memory of 1380	1740	New PO #23546738.exe	26
PID 1740 wrote to memory of 1380	1740	New PO #23546738.exe	26
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28
PID 1740 wrote to memory of 996	1740	New PO #23546738.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe

C:\Users\Admin\AppData\Local\Temp\New PO #23546738.exe
"C:\Users\Admin\AppData\Local\Temp\New PO #23546738.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YJmfGxcN" /XML "C:\Users\Admin\AppData\Local\Temp\tmp696.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1380
- C:\Users\Admin\AppData\Local\Temp\New PO #23546738.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\tmp696.tmp

Filesize
1KB

MD5
fb515e0d9c40cf28de2021dd497bd474

SHA1
b22685c1061236a7f4b26080acb41399c4832373

SHA256
5cf344de3261990d13dda968a2138a9532bf6bd799b16caf6902bbb4f02ff138

SHA512
b85c3f053d4fc193eee5bf17da4616f60be3054a46a8a856f84c1cf7d6bdfa1d127ac3ae5b3332f8953bd6adaa44e5a50d66dd782974d68e70c3f3ceb2be47c6

Download Submit
memory/996-68-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-64-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-91-0x0000000004D60000-0x0000000004DA0000-memory.dmp

Filesize
256KB

Download
memory/996-73-0x0000000004D60000-0x0000000004DA0000-memory.dmp

Filesize
256KB

Download
memory/996-72-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-70-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-63-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-66-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/996-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/996-65-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/1740-56-0x0000000000280000-0x000000000028C000-memory.dmp

Filesize
48KB

Download
memory/1740-54-0x0000000000290000-0x0000000000346000-memory.dmp

Filesize
728KB

Download
memory/1740-55-0x0000000000BC0000-0x0000000000C00000-memory.dmp

Filesize
256KB

Download
memory/1740-59-0x0000000004750000-0x0000000004780000-memory.dmp

Filesize
192KB

Download
memory/1740-58-0x00000000051B0000-0x000000000522C000-memory.dmp

Filesize
496KB

Download
memory/1740-57-0x0000000000BC0000-0x0000000000C00000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads