agenttesla | 4c0a5de7165339f7ddf75a1ba546b353393590aef9aeee8aac6f77f0851cc6d1

General

Target

Payment receipt.exe
Size

2.1MB
MD5

04b5551bae13bddd928b437988edd8d6
SHA1

2b3801e796ef1d671166cc1fde1e2109eb6907b8
SHA256

4c0a5de7165339f7ddf75a1ba546b353393590aef9aeee8aac6f77f0851cc6d1
SHA512

dcd2ecd9d89c49d4e8dfbb5a2cf73abc560d0d6e8e8bcfe256214b28551aa3b465d63601ae5872f60dbb3b32579e14f968ca27c764fb7584198b6be553205e4e
SSDEEP

49152:f4id+5T7jXn97I1EOTKtnwV2mgG96xrQdbOYeRryz8w+7ievI:f4id+5DX1bFbqirQt3eMD+Xg

Score

10^/10

agenttesla evasion keylogger spyware stealer themida trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.standard.co.th
Port:
587
Username:
[email protected]
Password:
zk71Mpxw
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Payment receipt.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Payment receipt.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Payment receipt.exe

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 receipt.exe

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

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

Themida packer 1 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1960-19-0x0000000000400000-0x00000000009F6000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Payment receipt.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Payment receipt.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Payment receipt.exe

pid process

1960 Payment receipt.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Payment receipt.exe

pid process

1960 Payment receipt.exe
1960 Payment receipt.exe
1960 Payment receipt.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Payment receipt.exe

description pid process

Token: SeDebugPrivilege 1960 Payment receipt.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Payment receipt.exe

pid process

1960 Payment receipt.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Payment receipt.exe

flow	ioc
4	api.ipify.org

pid	process
1960	Payment receipt.exe

pid	process
1960	Payment receipt.exe
1960	Payment receipt.exe
1960	Payment receipt.exe

description	pid	process
Token: SeDebugPrivilege	1960	Payment receipt.exe

pid	process
1960	Payment receipt.exe

C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe
"C:\Users\Admin\AppData\Local\Temp\Payment receipt.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1960-0-0x0000000000400000-0x00000000009F6000-memory.dmp

Filesize
6.0MB

Download
memory/1960-1-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-2-0x0000000075BA0000-0x0000000075BE7000-memory.dmp

Filesize
284KB

Download
memory/1960-3-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-6-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-5-0x0000000075BA0000-0x0000000075BE7000-memory.dmp

Filesize
284KB

Download
memory/1960-8-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-7-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-12-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-14-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-16-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-17-0x0000000077C10000-0x0000000077C12000-memory.dmp

Filesize
8KB

Download
memory/1960-15-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-13-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-11-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-10-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-9-0x0000000075BA0000-0x0000000075BE7000-memory.dmp

Filesize
284KB

Download
memory/1960-18-0x0000000074C20000-0x000000007530E000-memory.dmp

Filesize
6.9MB

Download
memory/1960-19-0x0000000000400000-0x00000000009F6000-memory.dmp

Filesize
6.0MB

Download
memory/1960-20-0x0000000004C90000-0x0000000004CD0000-memory.dmp

Filesize
256KB

Download
memory/1960-22-0x0000000000400000-0x00000000009F6000-memory.dmp

Filesize
6.0MB

Download
memory/1960-23-0x0000000075BA0000-0x0000000075BE7000-memory.dmp

Filesize
284KB

Download
memory/1960-24-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-25-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-26-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-27-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-28-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-29-0x00000000771F0000-0x0000000077300000-memory.dmp

Filesize
1.1MB

Download
memory/1960-31-0x0000000074C20000-0x000000007530E000-memory.dmp

Filesize
6.9MB

Download
memory/1960-32-0x0000000004C90000-0x0000000004CD0000-memory.dmp

Filesize
256KB

Download

Analysis

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