agenttesla | 6136140c3fc9c7772b4056f557a71c6cb9394baa72267d569699adf7c2c25b04

General

Target

DHL RECEIPT.exe
Size

708KB
MD5

2857f2606b0aad5becb3812accd08f29
SHA1

1e741a295b374414a781f55335110f23bf7b5085
SHA256

cf55a94219615826bd23867c7aa39fa8a67824f8f7488ca9d2876fd689b47efe
SHA512

4a9cb0f76e0510c20847c4d09da8464eac6b2ce0a469c3459e292e04be4d163f500a35de8dfedebd66900f0959e4aff80fce55a8e342bd04dfb9f294975eb59d

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.kem-o-keen.com
Port:
587
Username:
[email protected]
Password:
UOtsMwB6

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/4840-138-0x0000000000400000-0x000000000044C000-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:

DHL RECEIPT.exe

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

DHL RECEIPT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL RECEIPT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL RECEIPT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL RECEIPT.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:

DHL RECEIPT.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL RECEIPT.exe

description pid process target process

PID 4064 set thread context of 4840 4064 DHL RECEIPT.exe DHL RECEIPT.exe

description	pid	process	target process
PID 4064 set thread context of 4840	4064	DHL RECEIPT.exe	DHL RECEIPT.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

DHL RECEIPT.exeDHL RECEIPT.exe

pid	process
4064	DHL RECEIPT.exe
4064	DHL RECEIPT.exe
4064	DHL RECEIPT.exe
4064	DHL RECEIPT.exe
4064	DHL RECEIPT.exe
4064	DHL RECEIPT.exe
4064	DHL RECEIPT.exe
4064	DHL RECEIPT.exe
4840	DHL RECEIPT.exe
4840	DHL RECEIPT.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DHL RECEIPT.exeDHL RECEIPT.exe

description pid process

Token: SeDebugPrivilege 4064 DHL RECEIPT.exe
Token: SeDebugPrivilege 4840 DHL RECEIPT.exe

description	pid	process
Token: SeDebugPrivilege	4064	DHL RECEIPT.exe
Token: SeDebugPrivilege	4840	DHL RECEIPT.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

DHL RECEIPT.exe

description	pid	process	target process
PID 4064 wrote to memory of 4928	4064	DHL RECEIPT.exe	DHL RECEIPT.exe
PID 4064 wrote to memory of 4928	4064	DHL RECEIPT.exe	DHL RECEIPT.exe
PID 4064 wrote to memory of 4928	4064	DHL RECEIPT.exe	DHL RECEIPT.exe
PID 4064 wrote to memory of 4840	4064	DHL RECEIPT.exe	DHL RECEIPT.exe
PID 4064 wrote to memory of 4840	4064	DHL RECEIPT.exe	DHL RECEIPT.exe
PID 4064 wrote to memory of 4840	4064	DHL RECEIPT.exe	DHL RECEIPT.exe
PID 4064 wrote to memory of 4840	4064	DHL RECEIPT.exe	DHL RECEIPT.exe
PID 4064 wrote to memory of 4840	4064	DHL RECEIPT.exe	DHL RECEIPT.exe
PID 4064 wrote to memory of 4840	4064	DHL RECEIPT.exe	DHL RECEIPT.exe
PID 4064 wrote to memory of 4840	4064	DHL RECEIPT.exe	DHL RECEIPT.exe
PID 4064 wrote to memory of 4840	4064	DHL RECEIPT.exe	DHL RECEIPT.exe

outlook_office_path 1 IoCs

Processes:

DHL RECEIPT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL RECEIPT.exe

outlook_win_path 1 IoCs

Processes:

DHL RECEIPT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL RECEIPT.exe

C:\Users\Admin\AppData\Local\Temp\DHL RECEIPT.exe
"C:\Users\Admin\AppData\Local\Temp\DHL RECEIPT.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4064

C:\Users\Admin\AppData\Local\Temp\DHL RECEIPT.exe
"{path}"
2⤵
PID:4928

C:\Users\Admin\AppData\Local\Temp\DHL RECEIPT.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

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

memory/4064-130-0x0000000000C60000-0x0000000000D18000-memory.dmp

Filesize
736KB

Download
memory/4064-131-0x0000000005EE0000-0x0000000006484000-memory.dmp

Filesize
5.6MB

Download
memory/4064-132-0x0000000005AD0000-0x0000000005B62000-memory.dmp

Filesize
584KB

Download
memory/4064-133-0x0000000005A60000-0x0000000005A6A000-memory.dmp

Filesize
40KB

Download
memory/4064-134-0x0000000009160000-0x00000000091FC000-memory.dmp

Filesize
624KB

Download
memory/4064-135-0x000000000A820000-0x000000000A886000-memory.dmp

Filesize
408KB

Download
memory/4840-137-0x0000000000000000-mapping.dmp

Download
memory/4840-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4840-139-0x0000000006930000-0x0000000006980000-memory.dmp

Filesize
320KB

Download
memory/4928-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads