agenttesla | 350fee444e2e7bb7924093b3c57ce9cbb8d6810a3dc4af17a971739ccf05f9fb

General

Target

PO82100088.exe
Size

568KB
MD5

cdabc5342191cc7423fabc6038eb180d
SHA1

7b2641cf0dae1cc1da54218bcd6b2a066c491c39
SHA256

5c08922622153fcfa1cf05af7f0bdf474c6f9990c4f529742516a03362675cc0
SHA512

6ec7218f70c13638d23228736c3aedf62f7206f07c1b56d6bba273d3ec10eda6ff153f4d5f44ccaf3a9bb39a3d492a9ef45072c40970a1d7aa8211bd130875d9
SSDEEP

12288:IcK1qNZRAucPPVeFfV8pC3WosUgLhkVr100kmRmyMXtTd:tlXcPPVMfi0s7o0LmRNM9Td

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mbarieservicesltd.com
Port:
587
Username:
[email protected]
Password:
*o9H+18Q4%;M
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2984-9-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2984-10-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2984-13-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2984-15-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2984-17-0x0000000000400000-0x0000000000430000-memory.dmp	INDICATOR_EXE_Packed_GEN01
behavioral1/memory/2984-20-0x0000000004F20000-0x0000000004F60000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO82100088.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82100088.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82100088.exe
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82100088.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO82100088.exe

description pid process target process

PID 1288 set thread context of 2984 1288 PO82100088.exe PO82100088.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

3012 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO82100088.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2984 PO82100088.exe
Token: SeDebugPrivilege 3012 powershell.exe

description	pid	process	target process
PID 1288 set thread context of 2984	1288	PO82100088.exe	PO82100088.exe

pid	process
3012	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2984	PO82100088.exe
Token: SeDebugPrivilege	3012	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PO82100088.exe

description	pid	process	target process
PID 1288 wrote to memory of 3012	1288	PO82100088.exe	powershell.exe
PID 1288 wrote to memory of 3012	1288	PO82100088.exe	powershell.exe
PID 1288 wrote to memory of 3012	1288	PO82100088.exe	powershell.exe
PID 1288 wrote to memory of 3012	1288	PO82100088.exe	powershell.exe
PID 1288 wrote to memory of 2984	1288	PO82100088.exe	PO82100088.exe
PID 1288 wrote to memory of 2984	1288	PO82100088.exe	PO82100088.exe
PID 1288 wrote to memory of 2984	1288	PO82100088.exe	PO82100088.exe
PID 1288 wrote to memory of 2984	1288	PO82100088.exe	PO82100088.exe
PID 1288 wrote to memory of 2984	1288	PO82100088.exe	PO82100088.exe
PID 1288 wrote to memory of 2984	1288	PO82100088.exe	PO82100088.exe
PID 1288 wrote to memory of 2984	1288	PO82100088.exe	PO82100088.exe
PID 1288 wrote to memory of 2984	1288	PO82100088.exe	PO82100088.exe
PID 1288 wrote to memory of 2984	1288	PO82100088.exe	PO82100088.exe

outlook_office_path 1 IoCs

Processes:

PO82100088.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82100088.exe

outlook_win_path 1 IoCs

Processes:

PO82100088.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO82100088.exe

C:\Users\Admin\AppData\Local\Temp\PO82100088.exe
"C:\Users\Admin\AppData\Local\Temp\PO82100088.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1288

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO82100088.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3012

C:\Users\Admin\AppData\Local\Temp\PO82100088.exe
"C:\Users\Admin\AppData\Local\Temp\PO82100088.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2984

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

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

memory/1288-1-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/1288-0-0x0000000000D40000-0x0000000000DD4000-memory.dmp

Filesize
592KB

Download
memory/1288-2-0x0000000000A40000-0x0000000000A80000-memory.dmp

Filesize
256KB

Download
memory/1288-3-0x0000000000B30000-0x0000000000B48000-memory.dmp

Filesize
96KB

Download
memory/1288-4-0x0000000000A30000-0x0000000000A3E000-memory.dmp

Filesize
56KB

Download
memory/1288-5-0x0000000000BD0000-0x0000000000BE4000-memory.dmp

Filesize
80KB

Download
memory/1288-6-0x00000000002F0000-0x0000000000362000-memory.dmp

Filesize
456KB

Download
memory/1288-18-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2984-13-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2984-7-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2984-10-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2984-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2984-8-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2984-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2984-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2984-9-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2984-19-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2984-20-0x0000000004F20000-0x0000000004F60000-memory.dmp

Filesize
256KB

Download
memory/2984-28-0x0000000004F20000-0x0000000004F60000-memory.dmp

Filesize
256KB

Download
memory/2984-27-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/3012-25-0x0000000002CC0000-0x0000000002D00000-memory.dmp

Filesize
256KB

Download
memory/3012-26-0x000000006F610000-0x000000006FBBB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-24-0x000000006F610000-0x000000006FBBB000-memory.dmp

Filesize
5.7MB

Download
memory/3012-23-0x000000006F610000-0x000000006FBBB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads