agenttesla | bbb48f0541091fabaffe3d901841a0d929e2d91b1575d926a63b811d3a614152

General

Target

IMG 24344 NEW ORDER_PDF.exe
Size

522KB
MD5

738cc68cbed4ce5180c71952b86acbfe
SHA1

1690297c53df2847bef42b5bef74c2afab4204eb
SHA256

64f1939cbe2828095ccb96973565bebe5a2cbf3baf78aaadd2492eb654415264
SHA512

4951c829a08aa07619bda202a4a5e48d3f3d16f33806e1c92b7e66c3488243f13817875ef4c9fd9bdd13bbed068824afa54154351208ba00c056604952f45368

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.candenizcilik.com
Port:
587
Username:
[email protected]
Password:
519025

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/976-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/976-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/976-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/976-64-0x000000000044CB0E-mapping.dmp	family_agenttesla
behavioral1/memory/976-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/976-68-0x0000000000400000-0x0000000000452000-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:

IMG 24344 NEW ORDER_PDF.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	IMG 24344 NEW ORDER_PDF.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	IMG 24344 NEW ORDER_PDF.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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:

IMG 24344 NEW ORDER_PDF.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	IMG 24344 NEW ORDER_PDF.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	IMG 24344 NEW ORDER_PDF.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

IMG 24344 NEW ORDER_PDF.exe

description pid process target process

PID 2040 set thread context of 976 2040 IMG 24344 NEW ORDER_PDF.exe RegSvcs.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

1164 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

976 RegSvcs.exe
976 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 976 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

976 RegSvcs.exe

description	pid	process	target process
PID 2040 set thread context of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe

pid	process
1164	schtasks.exe

pid	process
976	RegSvcs.exe
976	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	976	RegSvcs.exe

pid	process
976	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

IMG 24344 NEW ORDER_PDF.exeRegSvcs.exe

description	pid	process	target process
PID 2040 wrote to memory of 1164	2040	IMG 24344 NEW ORDER_PDF.exe	schtasks.exe
PID 2040 wrote to memory of 1164	2040	IMG 24344 NEW ORDER_PDF.exe	schtasks.exe
PID 2040 wrote to memory of 1164	2040	IMG 24344 NEW ORDER_PDF.exe	schtasks.exe
PID 2040 wrote to memory of 1164	2040	IMG 24344 NEW ORDER_PDF.exe	schtasks.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2040 wrote to memory of 976	2040	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 976 wrote to memory of 1040	976	RegSvcs.exe	netsh.exe
PID 976 wrote to memory of 1040	976	RegSvcs.exe	netsh.exe
PID 976 wrote to memory of 1040	976	RegSvcs.exe	netsh.exe
PID 976 wrote to memory of 1040	976	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\IMG 24344 NEW ORDER_PDF.exe
"C:\Users\Admin\AppData\Local\Temp\IMG 24344 NEW ORDER_PDF.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oIRXsmtHo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB4DF.tmp"
2⤵
- Creates scheduled task(s)
PID:1164

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:976

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1040

MITRE ATT&CK Matrix ATT&CK 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

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB4DF.tmp
Filesize
1KB

MD5
da565041dc3a562dc41e44e6701a3141

SHA1
55dde2661d8508ee13163178eb70b8c0b1531bd6

SHA256
0e513bd5e10779a109beafe04fc5c6ecacbd5b0475043e8c1575dafe29236f82

SHA512
729417e319fef7ba66f3510d1e6ffa1c00d3f016802d759f145e05ae7f3de806d624bc8bee49481b965ab8a8f909039ed70af7506da207ed6614b9ee458f88ba

Download Submit
memory/976-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/976-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/976-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/976-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/976-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/976-64-0x000000000044CB0E-mapping.dmp

Download
memory/976-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/976-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/976-70-0x0000000074C20000-0x00000000751CB000-memory.dmp

Filesize
5.7MB

Download
memory/1040-71-0x0000000000000000-mapping.dmp

Download
memory/1164-56-0x0000000000000000-mapping.dmp

Download
memory/2040-55-0x0000000074C20000-0x00000000751CB000-memory.dmp

Filesize
5.7MB

Download
memory/2040-54-0x0000000076261000-0x0000000076263000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads