agenttesla | 8aa2115c37d26f08727c93059a9c7b16f442185a3370405b435deb9be8dbcf28

General

Target

IMG 24344 NEW ORDER_PDF.exe
Size

423KB
MD5

28fe82a91916a43d7912560322d5042a
SHA1

3f203b3f888487fe4afc0f99fd51906788e70449
SHA256

fcf065630d1e02025c3ffe61405ccf6df1f2bf2ecc375a5122a1fc4ad4a4368e
SHA512

72953b2d5fdd774d2336267d27b068ec6fd522f4ba45b07007b1ce10d69f3a3685a58edce208aecd4b3c436457aa3866e7a9dabafdee6455eed1f09a37e34504

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2676-135-0x0000000000400000-0x0000000000452000-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

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:

IMG 24344 NEW ORDER_PDF.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	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-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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 4580 set thread context of 2676 4580 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

1288 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

IMG 24344 NEW ORDER_PDF.exeRegSvcs.exe

pid process

4580 IMG 24344 NEW ORDER_PDF.exe
4580 IMG 24344 NEW ORDER_PDF.exe
2676 RegSvcs.exe
2676 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

IMG 24344 NEW ORDER_PDF.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4580 IMG 24344 NEW ORDER_PDF.exe
Token: SeDebugPrivilege 2676 RegSvcs.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RegSvcs.exe

pid process

2676 RegSvcs.exe

description	pid	process	target process
PID 4580 set thread context of 2676	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe

pid	process
1288	schtasks.exe

pid	process
4580	IMG 24344 NEW ORDER_PDF.exe
4580	IMG 24344 NEW ORDER_PDF.exe
2676	RegSvcs.exe
2676	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4580	IMG 24344 NEW ORDER_PDF.exe
Token: SeDebugPrivilege	2676	RegSvcs.exe

pid	process
2676	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

IMG 24344 NEW ORDER_PDF.exeRegSvcs.exe

description	pid	process	target process
PID 4580 wrote to memory of 1288	4580	IMG 24344 NEW ORDER_PDF.exe	schtasks.exe
PID 4580 wrote to memory of 1288	4580	IMG 24344 NEW ORDER_PDF.exe	schtasks.exe
PID 4580 wrote to memory of 1288	4580	IMG 24344 NEW ORDER_PDF.exe	schtasks.exe
PID 4580 wrote to memory of 3420	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 4580 wrote to memory of 3420	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 4580 wrote to memory of 3420	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 4580 wrote to memory of 2676	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 4580 wrote to memory of 2676	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 4580 wrote to memory of 2676	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 4580 wrote to memory of 2676	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 4580 wrote to memory of 2676	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 4580 wrote to memory of 2676	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 4580 wrote to memory of 2676	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 4580 wrote to memory of 2676	4580	IMG 24344 NEW ORDER_PDF.exe	RegSvcs.exe
PID 2676 wrote to memory of 556	2676	RegSvcs.exe	netsh.exe
PID 2676 wrote to memory of 556	2676	RegSvcs.exe	netsh.exe
PID 2676 wrote to memory of 556	2676	RegSvcs.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\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-1-5-21-1809750270-3141839489-3074374771-1000\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
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4580

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lbVEHAqjoL" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA55D.tmp"
2⤵
- Creates scheduled task(s)
PID:1288

C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
"{path}"
2⤵
PID:3420

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:2676

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:556

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

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpA55D.tmp

Filesize
1KB

MD5
b263c3ad4a0da806ed51497a5183f726

SHA1
d051a00686bdc0af80b962de07d58ae62ec5f766

SHA256
d18ef89df4b7c3fb4312c55d5c19f41b81e3bd42cc498cbaf4ee72e15bf9b58d

SHA512
5b5efeeb63959379deeef26a4cb1be4546d5d40fb61cccca445149d4879ce3ee53d502f8a3797b3fa7161ad3a50479b39c9da161a5c459d9d5f214ba0eec5b08

Download Submit
memory/556-137-0x0000000000000000-mapping.dmp

Download
memory/1288-131-0x0000000000000000-mapping.dmp

Download
memory/2676-134-0x0000000000000000-mapping.dmp

Download
memory/2676-135-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2676-136-0x0000000074690000-0x0000000074C41000-memory.dmp

Filesize
5.7MB

Download
memory/3420-133-0x0000000000000000-mapping.dmp

Download
memory/4580-130-0x0000000074690000-0x0000000074C41000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads