agenttesla | 9e1297ba1caf91e23ccf9f87ce9ad16f845740ed29b248b19cdbd69e89e72051

General

Target

DHL_AWB #1008936572891_pdf.exe
Size

580KB
MD5

b513067d4f9f767961d0f2bc798e0cf9
SHA1

5f08038c10344fa9028a5c7c9aab4fd00c73eda5
SHA256

0bc02b5ed2a298e9b8859eac4c03ca7b0ba2ab7e00a3b8477967428cc5f4d88b
SHA512

6b8045b902a8e2a0e06ca400c1540a40963413bfb7acb161941d32816b9431c75df9e106345daadd90d247d9fe083db9e8aab20222112338d8beab37a115b8dc

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.rulmeca.co
Port:
587
Username:
[email protected]
Password:
jbinkowska@123

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/952-64-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/952-65-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/952-66-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/952-67-0x000000000045461E-mapping.dmp	family_agenttesla
behavioral1/memory/952-69-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/952-71-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

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_AWB #1008936572891_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_AWB #1008936572891_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_AWB #1008936572891_pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_AWB #1008936572891_pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DHL_AWB #1008936572891_pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\WEqfDb = "C:\\Users\\Admin\\AppData\\Roaming\\WEqfDb\\WEqfDb.exe"	DHL_AWB #1008936572891_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DHL_AWB #1008936572891_pdf.exe

description pid process target process

PID 1988 set thread context of 952 1988 DHL_AWB #1008936572891_pdf.exe DHL_AWB #1008936572891_pdf.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

1292 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

DHL_AWB #1008936572891_pdf.exeDHL_AWB #1008936572891_pdf.exe

pid process

1988 DHL_AWB #1008936572891_pdf.exe
952 DHL_AWB #1008936572891_pdf.exe
952 DHL_AWB #1008936572891_pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DHL_AWB #1008936572891_pdf.exeDHL_AWB #1008936572891_pdf.exe

description pid process

Token: SeDebugPrivilege 1988 DHL_AWB #1008936572891_pdf.exe
Token: SeDebugPrivilege 952 DHL_AWB #1008936572891_pdf.exe

description	pid	process	target process
PID 1988 set thread context of 952	1988	DHL_AWB #1008936572891_pdf.exe	DHL_AWB #1008936572891_pdf.exe

pid	process
1292	schtasks.exe

pid	process
1988	DHL_AWB #1008936572891_pdf.exe
952	DHL_AWB #1008936572891_pdf.exe
952	DHL_AWB #1008936572891_pdf.exe

description	pid	process
Token: SeDebugPrivilege	1988	DHL_AWB #1008936572891_pdf.exe
Token: SeDebugPrivilege	952	DHL_AWB #1008936572891_pdf.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

DHL_AWB #1008936572891_pdf.exe

description	pid	process	target process
PID 1988 wrote to memory of 1292	1988	DHL_AWB #1008936572891_pdf.exe	schtasks.exe
PID 1988 wrote to memory of 1292	1988	DHL_AWB #1008936572891_pdf.exe	schtasks.exe
PID 1988 wrote to memory of 1292	1988	DHL_AWB #1008936572891_pdf.exe	schtasks.exe
PID 1988 wrote to memory of 1292	1988	DHL_AWB #1008936572891_pdf.exe	schtasks.exe
PID 1988 wrote to memory of 952	1988	DHL_AWB #1008936572891_pdf.exe	DHL_AWB #1008936572891_pdf.exe
PID 1988 wrote to memory of 952	1988	DHL_AWB #1008936572891_pdf.exe	DHL_AWB #1008936572891_pdf.exe
PID 1988 wrote to memory of 952	1988	DHL_AWB #1008936572891_pdf.exe	DHL_AWB #1008936572891_pdf.exe
PID 1988 wrote to memory of 952	1988	DHL_AWB #1008936572891_pdf.exe	DHL_AWB #1008936572891_pdf.exe
PID 1988 wrote to memory of 952	1988	DHL_AWB #1008936572891_pdf.exe	DHL_AWB #1008936572891_pdf.exe
PID 1988 wrote to memory of 952	1988	DHL_AWB #1008936572891_pdf.exe	DHL_AWB #1008936572891_pdf.exe
PID 1988 wrote to memory of 952	1988	DHL_AWB #1008936572891_pdf.exe	DHL_AWB #1008936572891_pdf.exe
PID 1988 wrote to memory of 952	1988	DHL_AWB #1008936572891_pdf.exe	DHL_AWB #1008936572891_pdf.exe
PID 1988 wrote to memory of 952	1988	DHL_AWB #1008936572891_pdf.exe	DHL_AWB #1008936572891_pdf.exe

outlook_office_path 1 IoCs

Processes:

DHL_AWB #1008936572891_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_AWB #1008936572891_pdf.exe

outlook_win_path 1 IoCs

Processes:

DHL_AWB #1008936572891_pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	DHL_AWB #1008936572891_pdf.exe

C:\Users\Admin\AppData\Local\Temp\DHL_AWB #1008936572891_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_AWB #1008936572891_pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YxFvmjSbtbttDB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6FF3.tmp"
2⤵
- Creates scheduled task(s)
PID:1292

C:\Users\Admin\AppData\Local\Temp\DHL_AWB #1008936572891_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DHL_AWB #1008936572891_pdf.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:952

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6FF3.tmp
Filesize
1KB

MD5
86e5934323c73325f78fa6f77fc62a3a

SHA1
75297f52e364079601d4d698c544f14e193c03e8

SHA256
11471524ea4ca6b29549d0efb6e7e9a7ccee64853c6bf2e586da93da0641f4af

SHA512
8df3c1a1c021b4d765bee0b495304164e008f47899a96955f742b01d5fe9dbcef2467ac1bc913f2764175c5cfd44e18b8842a9a2ccafff2d526b5dcba8e393ba

Download Submit
memory/952-64-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/952-66-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/952-71-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/952-69-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/952-67-0x000000000045461E-mapping.dmp

Download
memory/952-65-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/952-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/952-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1292-59-0x0000000000000000-mapping.dmp

Download
memory/1988-54-0x0000000001120000-0x00000000011B8000-memory.dmp

Filesize
608KB

Download
memory/1988-55-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download
memory/1988-56-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/1988-58-0x00000000081A0000-0x00000000081FA000-memory.dmp

Filesize
360KB

Download
memory/1988-57-0x0000000006070000-0x00000000060E4000-memory.dmp

Filesize
464KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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