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

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

Processes:

New PO #23546738.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	New PO #23546738.exe

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

Processes:

New PO #23546738.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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.

Processes:

flow ioc

31 api.ipify.org
32 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

New PO #23546738.exe

description pid process target process

PID 1976 set thread context of 4912 1976 New PO #23546738.exe New PO #23546738.exe
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

Processes:

schtasks.exe

pid process

5032 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

New PO #23546738.exe

pid process

1976 New PO #23546738.exe
1976 New PO #23546738.exe
1976 New PO #23546738.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New PO #23546738.exeNew PO #23546738.exe

description pid process

Token: SeDebugPrivilege 1976 New PO #23546738.exe
Token: SeDebugPrivilege 4912 New PO #23546738.exe

flow	ioc
31	api.ipify.org
32	api.ipify.org

description	pid	process	target process
PID 1976 set thread context of 4912	1976	New PO #23546738.exe	New PO #23546738.exe

pid	process
5032	schtasks.exe

pid	process
1976	New PO #23546738.exe
1976	New PO #23546738.exe
1976	New PO #23546738.exe

description	pid	process
Token: SeDebugPrivilege	1976	New PO #23546738.exe
Token: SeDebugPrivilege	4912	New PO #23546738.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

New PO #23546738.exe

description	pid	process	target process
PID 1976 wrote to memory of 5032	1976	New PO #23546738.exe	schtasks.exe
PID 1976 wrote to memory of 5032	1976	New PO #23546738.exe	schtasks.exe
PID 1976 wrote to memory of 5032	1976	New PO #23546738.exe	schtasks.exe
PID 1976 wrote to memory of 1920	1976	New PO #23546738.exe	New PO #23546738.exe
PID 1976 wrote to memory of 1920	1976	New PO #23546738.exe	New PO #23546738.exe
PID 1976 wrote to memory of 1920	1976	New PO #23546738.exe	New PO #23546738.exe
PID 1976 wrote to memory of 4912	1976	New PO #23546738.exe	New PO #23546738.exe
PID 1976 wrote to memory of 4912	1976	New PO #23546738.exe	New PO #23546738.exe
PID 1976 wrote to memory of 4912	1976	New PO #23546738.exe	New PO #23546738.exe
PID 1976 wrote to memory of 4912	1976	New PO #23546738.exe	New PO #23546738.exe
PID 1976 wrote to memory of 4912	1976	New PO #23546738.exe	New PO #23546738.exe
PID 1976 wrote to memory of 4912	1976	New PO #23546738.exe	New PO #23546738.exe
PID 1976 wrote to memory of 4912	1976	New PO #23546738.exe	New PO #23546738.exe
PID 1976 wrote to memory of 4912	1976	New PO #23546738.exe	New PO #23546738.exe

outlook_office_path 1 IoCs

Processes:

New PO #23546738.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	New PO #23546738.exe

outlook_win_path 1 IoCs

Processes:

New PO #23546738.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1976

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YJmfGxcN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF6C8.tmp"
2⤵
- Creates scheduled task(s)
PID:5032

C:\Users\Admin\AppData\Local\Temp\New PO #23546738.exe
"{path}"
2⤵
PID:1920

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:4912

Network

MITRE ATT&CK Matrix ATT&CK 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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF6C8.tmp
Filesize
1KB

MD5
7822eb5839a11da3115a8f648f6f4223

SHA1
0b46363c00e7560a3aee0ef8c531006f3c5a43cb

SHA256
6ce9d00dbed5b8504b549b6fc355ebee806ead3fb5808542a222f7a3a3ed7786

SHA512
6ae53f1ff74767f90dc5d836d6b50dda5a27d3d7c242e3445e13ee485f402ae5451a1b254930d79a45983f1b6c9fda285f834c5176710fc49213b8c63a693c4c

Download Submit
memory/1976-139-0x00000000052C0000-0x0000000005316000-memory.dmp

Filesize
344KB

Download
memory/1976-134-0x0000000004FB0000-0x000000000504C000-memory.dmp

Filesize
624KB

Download
memory/1976-136-0x0000000005050000-0x00000000050E2000-memory.dmp

Filesize
584KB

Download
memory/1976-137-0x00000000052B0000-0x00000000052C0000-memory.dmp

Filesize
64KB

Download
memory/1976-138-0x0000000004F70000-0x0000000004F7A000-memory.dmp

Filesize
40KB

Download
memory/1976-133-0x0000000000540000-0x00000000005F6000-memory.dmp

Filesize
728KB

Download
memory/1976-140-0x00000000052B0000-0x00000000052C0000-memory.dmp

Filesize
64KB

Download
memory/1976-135-0x0000000005600000-0x0000000005BA4000-memory.dmp

Filesize
5.6MB

Download
memory/4912-144-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/4912-146-0x0000000005810000-0x0000000005876000-memory.dmp

Filesize
408KB

Download
memory/4912-147-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

Filesize
64KB

Download
memory/4912-148-0x0000000007300000-0x0000000007350000-memory.dmp

Filesize
320KB

Download
memory/4912-149-0x0000000007520000-0x00000000076E2000-memory.dmp

Filesize
1.8MB

Download
memory/4912-150-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads