agenttesla | b054153d4002d59da6df05191786d07e59505ec5d9122cfd510c5e917bc01fcd

General

Target

PAYMENT_ADVICE.exe
Size

556KB
MD5

662e8db037db250cea8c0de931d45b9f
SHA1

512842696fdc3751d6222da01d89c439cc12c27f
SHA256

b4e29b2c8ddeddb4aca873321f9d0ca3271c086ad5e624ca5c928751a49c5cef
SHA512

7b751218fe6ff04c80bc4a74fc7977f5f360b66a823133e093236ef1184bd0dae51184be9c9cba1178b86f0245e0a9b2884e0ceb5b2cf59dc633b1cb6844e52a

Score

10^/10

agenttesla collection evasion keylogger spyware stealer suricata trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.kinangopdairy.co.ke
Port:
587
Username:
[email protected]
Password:
Muiruri8080!

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.kinangopdairy.co.ke
Port:
587
Username:
[email protected]
Password:
Muiruri8080!

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata: ET MALWARE AgentTesla Exfil Via SMTP
suricata

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2180-139-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

PAYMENT_ADVICE.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	PAYMENT_ADVICE.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	PAYMENT_ADVICE.exe

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:

PAYMENT_ADVICE.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	PAYMENT_ADVICE.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:

PAYMENT_ADVICE.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT_ADVICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT_ADVICE.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT_ADVICE.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

PAYMENT_ADVICE.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	PAYMENT_ADVICE.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	PAYMENT_ADVICE.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PAYMENT_ADVICE.exe

description pid process target process

PID 3200 set thread context of 2180 3200 PAYMENT_ADVICE.exe PAYMENT_ADVICE.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

3196 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PAYMENT_ADVICE.exePAYMENT_ADVICE.exe

pid process

3200 PAYMENT_ADVICE.exe
2180 PAYMENT_ADVICE.exe
2180 PAYMENT_ADVICE.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PAYMENT_ADVICE.exePAYMENT_ADVICE.exe

description pid process

Token: SeDebugPrivilege 3200 PAYMENT_ADVICE.exe
Token: SeDebugPrivilege 2180 PAYMENT_ADVICE.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PAYMENT_ADVICE.exe

pid process

2180 PAYMENT_ADVICE.exe

description	pid	process	target process
PID 3200 set thread context of 2180	3200	PAYMENT_ADVICE.exe	PAYMENT_ADVICE.exe

pid	process
3196	schtasks.exe

pid	process
3200	PAYMENT_ADVICE.exe
2180	PAYMENT_ADVICE.exe
2180	PAYMENT_ADVICE.exe

description	pid	process
Token: SeDebugPrivilege	3200	PAYMENT_ADVICE.exe
Token: SeDebugPrivilege	2180	PAYMENT_ADVICE.exe

pid	process
2180	PAYMENT_ADVICE.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PAYMENT_ADVICE.exe

description	pid	process	target process
PID 3200 wrote to memory of 3196	3200	PAYMENT_ADVICE.exe	schtasks.exe
PID 3200 wrote to memory of 3196	3200	PAYMENT_ADVICE.exe	schtasks.exe
PID 3200 wrote to memory of 3196	3200	PAYMENT_ADVICE.exe	schtasks.exe
PID 3200 wrote to memory of 2180	3200	PAYMENT_ADVICE.exe	PAYMENT_ADVICE.exe
PID 3200 wrote to memory of 2180	3200	PAYMENT_ADVICE.exe	PAYMENT_ADVICE.exe
PID 3200 wrote to memory of 2180	3200	PAYMENT_ADVICE.exe	PAYMENT_ADVICE.exe
PID 3200 wrote to memory of 2180	3200	PAYMENT_ADVICE.exe	PAYMENT_ADVICE.exe
PID 3200 wrote to memory of 2180	3200	PAYMENT_ADVICE.exe	PAYMENT_ADVICE.exe
PID 3200 wrote to memory of 2180	3200	PAYMENT_ADVICE.exe	PAYMENT_ADVICE.exe
PID 3200 wrote to memory of 2180	3200	PAYMENT_ADVICE.exe	PAYMENT_ADVICE.exe
PID 3200 wrote to memory of 2180	3200	PAYMENT_ADVICE.exe	PAYMENT_ADVICE.exe

outlook_office_path 1 IoCs

Processes:

PAYMENT_ADVICE.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT_ADVICE.exe

outlook_win_path 1 IoCs

Processes:

PAYMENT_ADVICE.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PAYMENT_ADVICE.exe

C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE.exe"
1⤵
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3200

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lHnlXbBDY" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2BA.tmp"
2⤵
- Creates scheduled task(s)
PID:3196

C:\Users\Admin\AppData\Local\Temp\PAYMENT_ADVICE.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2180

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

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PAYMENT_ADVICE.exe.log
Filesize
777B

MD5
c84a5ef1e245a38defa80bc9bc98208e

SHA1
7fcafbc9c67cd658c51f63f39a588daf29dd00bd

SHA256
6a03a0129dea0237de57aa8aa49e879df871f4d5d04750b5c0330ab18df47b1a

SHA512
3d2fb670e845610734b6ae79793739693c474ab08dab257bf6ce98ff3cafd88a771d49e54c86e7be57664cb7186b858ca72322f3323bc0265bf2b6033cf26df8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2BA.tmp
Filesize
1KB

MD5
ef04715068fa51c1da594200e38c01c9

SHA1
76018f0923408320a3692115a3424912043add9c

SHA256
d4f9b17043dbe8995d5288e1e7c352a82f0c38d80c3789c3a0b402e6f7f24032

SHA512
414ec2b40b2eef1dfbdc2f7afb1cac7d334eddaf98f632b9945431a06ae0bc18d47683253acea3cea1dc8e30cc2526c8a22f26a27773fdcecf59f94ee9def81b

Download Submit
memory/2180-138-0x0000000000000000-mapping.dmp

Download
memory/2180-139-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2180-141-0x0000000006120000-0x0000000006170000-memory.dmp

Filesize
320KB

Download
memory/3196-136-0x0000000000000000-mapping.dmp

Download
memory/3200-130-0x0000000000CC0000-0x0000000000D52000-memory.dmp

Filesize
584KB

Download
memory/3200-131-0x0000000005BC0000-0x0000000006164000-memory.dmp

Filesize
5.6MB

Download
memory/3200-132-0x0000000005710000-0x00000000057A2000-memory.dmp

Filesize
584KB

Download
memory/3200-133-0x0000000006350000-0x00000000064D6000-memory.dmp

Filesize
1.5MB

Download
memory/3200-134-0x0000000006170000-0x000000000620C000-memory.dmp

Filesize
624KB

Download
memory/3200-135-0x00000000014D0000-0x0000000001536000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads