agenttesla | 0270ccbf19805f0f367437cde61674671fb089dd7349df65b7e1408ac464d1f6

General

Target

BND28384.exe
Size

739KB
MD5

91b12e9726457f2c6ad29b8b27bf7e3c
SHA1

03406222c3cc95e03736a5844e31975b714758dd
SHA256

e4a297a62797d50a37f87d75499be34639395d4791416d2be66c0e3c6a43a8d1
SHA512

8e220ae8c5765fcb4cb65e5d04f4f7c296ecd22d6d81556bc4cf908b66e49210e8139e18b9a82f837870c390388d10f9cea2a575d46b6dc8dc574585500cb907

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.westviewcargos.com
Port:
587
Username:
[email protected]
Password:
Choice@@@12345

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1068-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1068-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1068-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1068-65-0x00000000004377EE-mapping.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:

BND28384.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	BND28384.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	BND28384.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:

BND28384.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	BND28384.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	BND28384.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

BND28384.exe

description pid process target process

PID 848 set thread context of 1068 848 BND28384.exe BND28384.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

1988 schtasks.exe

description	pid	process	target process
PID 848 set thread context of 1068	848	BND28384.exe	BND28384.exe

pid	process
1988	schtasks.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

BND28384.exeBND28384.exe

description	pid	process	target process
PID 848 wrote to memory of 1988	848	BND28384.exe	schtasks.exe
PID 848 wrote to memory of 1988	848	BND28384.exe	schtasks.exe
PID 848 wrote to memory of 1988	848	BND28384.exe	schtasks.exe
PID 848 wrote to memory of 1988	848	BND28384.exe	schtasks.exe
PID 848 wrote to memory of 1068	848	BND28384.exe	BND28384.exe
PID 848 wrote to memory of 1068	848	BND28384.exe	BND28384.exe
PID 848 wrote to memory of 1068	848	BND28384.exe	BND28384.exe
PID 848 wrote to memory of 1068	848	BND28384.exe	BND28384.exe
PID 848 wrote to memory of 1068	848	BND28384.exe	BND28384.exe
PID 848 wrote to memory of 1068	848	BND28384.exe	BND28384.exe
PID 848 wrote to memory of 1068	848	BND28384.exe	BND28384.exe
PID 848 wrote to memory of 1068	848	BND28384.exe	BND28384.exe
PID 848 wrote to memory of 1068	848	BND28384.exe	BND28384.exe
PID 1068 wrote to memory of 1224	1068	BND28384.exe	dw20.exe
PID 1068 wrote to memory of 1224	1068	BND28384.exe	dw20.exe
PID 1068 wrote to memory of 1224	1068	BND28384.exe	dw20.exe
PID 1068 wrote to memory of 1224	1068	BND28384.exe	dw20.exe

C:\Users\Admin\AppData\Local\Temp\BND28384.exe
"C:\Users\Admin\AppData\Local\Temp\BND28384.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:848

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vwXKdwSIXtu" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4D26.tmp"
2⤵
- Creates scheduled task(s)
PID:1988

C:\Users\Admin\AppData\Local\Temp\BND28384.exe
"{path}"
2⤵
- Suspicious use of WriteProcessMemory
PID:1068

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 396
3⤵
PID:1224

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

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp4D26.tmp

MD5
242b13a61a4e8bb2055fda055505264f

SHA1
c2463ff64145c3a37e44f7aa54676e570de32f30

SHA256
b97108c82c77df09165a60fdc2a9ffbd55755c9ab3892fc4a3d750c010637255

SHA512
54defe3ec916af64a00474330865b1bd097f30414feaa3ef99cef8a10dcad41ef9e860f84a09f161e4655fb2149c100e3c1324e2ed14160c4d9cf62649fed3f7

Download Submit
memory/848-56-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download
memory/848-57-0x0000000000A91000-0x0000000000A92000-memory.dmp

Filesize
4KB

Download
memory/848-55-0x0000000075B71000-0x0000000075B73000-memory.dmp

Filesize
8KB

Download
memory/1068-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1068-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1068-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1068-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1068-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1068-65-0x00000000004377EE-mapping.dmp

Download
memory/1068-68-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/1224-67-0x0000000000000000-mapping.dmp

Download
memory/1224-70-0x0000000002800000-0x0000000002801000-memory.dmp

Filesize
4KB

Download
memory/1988-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads