agenttesla | d8453b3e4363f9154458b927cdf398ce8f792a61cd0eaa387a535802bff24179

General

Target

Transfer Confirmation.exe
Size

617KB
MD5

4933039c07233e307f6a8ee44229f81b
SHA1

e0f164c88ead46da499516596adb16bde31b3243
SHA256

1c8ee9c80b54c9a2f245d2e98ce8d25702becbc6584135c4278169d406016dd8
SHA512

6072234ed2ee6c19e45ccc61dc52e730cbfd568a78ad2e11eae4714c34e95894b8fe93eabcb8c2ad1cc1e3b45a5e0326d393418dce0df7c39b4baa0289a94d7c

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
K$pbkEK0

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
K$pbkEK0

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4776-139-0x0000000000400000-0x000000000044C000-memory.dmp	family_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:

Transfer Confirmation.exe

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

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Transfer Confirmation.exe

description pid process target process

PID 3540 set thread context of 4776 3540 Transfer Confirmation.exe Transfer Confirmation.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

1856 schtasks.exe

description	pid	process	target process
PID 3540 set thread context of 4776	3540	Transfer Confirmation.exe	Transfer Confirmation.exe

pid	process
1856	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Transfer Confirmation.exeTransfer Confirmation.exe

pid	process
3540	Transfer Confirmation.exe
3540	Transfer Confirmation.exe
3540	Transfer Confirmation.exe
4776	Transfer Confirmation.exe
4776	Transfer Confirmation.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Transfer Confirmation.exeTransfer Confirmation.exe

description pid process

Token: SeDebugPrivilege 3540 Transfer Confirmation.exe
Token: SeDebugPrivilege 4776 Transfer Confirmation.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Transfer Confirmation.exe

pid process

4776 Transfer Confirmation.exe

description	pid	process
Token: SeDebugPrivilege	3540	Transfer Confirmation.exe
Token: SeDebugPrivilege	4776	Transfer Confirmation.exe

pid	process
4776	Transfer Confirmation.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Transfer Confirmation.exe

description	pid	process	target process
PID 3540 wrote to memory of 1856	3540	Transfer Confirmation.exe	schtasks.exe
PID 3540 wrote to memory of 1856	3540	Transfer Confirmation.exe	schtasks.exe
PID 3540 wrote to memory of 1856	3540	Transfer Confirmation.exe	schtasks.exe
PID 3540 wrote to memory of 4776	3540	Transfer Confirmation.exe	Transfer Confirmation.exe
PID 3540 wrote to memory of 4776	3540	Transfer Confirmation.exe	Transfer Confirmation.exe
PID 3540 wrote to memory of 4776	3540	Transfer Confirmation.exe	Transfer Confirmation.exe
PID 3540 wrote to memory of 4776	3540	Transfer Confirmation.exe	Transfer Confirmation.exe
PID 3540 wrote to memory of 4776	3540	Transfer Confirmation.exe	Transfer Confirmation.exe
PID 3540 wrote to memory of 4776	3540	Transfer Confirmation.exe	Transfer Confirmation.exe
PID 3540 wrote to memory of 4776	3540	Transfer Confirmation.exe	Transfer Confirmation.exe
PID 3540 wrote to memory of 4776	3540	Transfer Confirmation.exe	Transfer Confirmation.exe

outlook_office_path 1 IoCs

Processes:

Transfer Confirmation.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	Transfer Confirmation.exe

outlook_win_path 1 IoCs

Processes:

Transfer Confirmation.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	Transfer Confirmation.exe

C:\Users\Admin\AppData\Local\Temp\Transfer Confirmation.exe
"C:\Users\Admin\AppData\Local\Temp\Transfer Confirmation.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3540

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ekPvgdvGqRbZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp805B.tmp"
2⤵
- Creates scheduled task(s)
PID:1856

C:\Users\Admin\AppData\Local\Temp\Transfer Confirmation.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:4776

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

Query Registry

1

T1012

System Information Discovery

2

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\Microsoft\CLR_v4.0_32\UsageLogs\Transfer Confirmation.exe.log

Filesize
1KB

MD5
2dc88967f8ab98d834998c930371997a

SHA1
fe54fd90824e71d0df04a47f460e1f72b9e1ffc4

SHA256
454ef7333f3fcdfff8957611a2bc97b3ab5aca972406b6d323e407424f2e7da9

SHA512
975af2932004d1f90474b2e0be35143e1c824c51d92b504cffb52036a4f37f1b62256c5c536089b570f23ada2cf37bbd3af96b14ebfdcfaacf7a65ba406cda77

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp805B.tmp

Filesize
1KB

MD5
e4fb8b2dc6855654be9827e6f3ee461f

SHA1
1958ed144546229f193ed892f7c99a1c30851d7a

SHA256
656bbad5a81920df44bea57505dbddf585b17db6558ede8a50d309f99d7ad4a7

SHA512
6b64f6180cb76f53933ec39aa8a1ccae774459a5338f4cff8a7f8eb695ee9b59521b94dffcad065902305301fa46c625f8511eda01d984a2e28d2b7054bf80a8

Download Submit
memory/1856-136-0x0000000000000000-mapping.dmp

Download
memory/3540-133-0x00000000049B0000-0x00000000049BA000-memory.dmp

Filesize
40KB

Download
memory/3540-134-0x0000000004C80000-0x0000000004CE6000-memory.dmp

Filesize
408KB

Download
memory/3540-135-0x0000000007780000-0x000000000781C000-memory.dmp

Filesize
624KB

Download
memory/3540-130-0x00000000000D0000-0x0000000000170000-memory.dmp

Filesize
640KB

Download
memory/3540-132-0x00000000049F0000-0x0000000004A82000-memory.dmp

Filesize
584KB

Download
memory/3540-131-0x00000000050A0000-0x0000000005644000-memory.dmp

Filesize
5.6MB

Download
memory/4776-138-0x0000000000000000-mapping.dmp

Download
memory/4776-139-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4776-141-0x0000000006250000-0x00000000062B6000-memory.dmp

Filesize
408KB

Download
memory/4776-142-0x00000000067B0000-0x0000000006800000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads