agenttesla | 33792e3c0afb98dad79d6702efa5a1e35831b562b27ad538d76ae6344f19e0a7

General

Target

BANK_ACC.exe
Size

472KB
MD5

7c900acb04fc360427fa4c15292a7efe
SHA1

ca0468c0aa0883532a8f7a4853620653978a8e58
SHA256

42fcf6a2253cd374d0b8173e7e5278b00780bb0ddff8a3169254f2bff424f916
SHA512

949fa27ad01cbc24add00579ed5022f33fa62070bc95baff5af206532406d459ae65b92f207e6961cfd3046159eb14764958f8a432efac454197a075d50d530a

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.haden-tours.com
Port:
587
Username:
[email protected]
Password:
In-159753

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/2936-142-0x0000000000400000-0x000000000044E000-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:

BANK_ACC.exe

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

BANK_ACC.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	BANK_ACC.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:

BANK_ACC.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

BANK_ACC.exe

description pid process target process

PID 3616 set thread context of 2936 3616 BANK_ACC.exe BANK_ACC.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

3580 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

BANK_ACC.exe

pid process

3616 BANK_ACC.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

BANK_ACC.exe

description pid process

Token: SeDebugPrivilege 3616 BANK_ACC.exe

description	pid	process	target process
PID 3616 set thread context of 2936	3616	BANK_ACC.exe	BANK_ACC.exe

pid	process
3580	schtasks.exe

pid	process
3616	BANK_ACC.exe

description	pid	process
Token: SeDebugPrivilege	3616	BANK_ACC.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

BANK_ACC.exe

description	pid	process	target process
PID 3616 wrote to memory of 3580	3616	BANK_ACC.exe	schtasks.exe
PID 3616 wrote to memory of 3580	3616	BANK_ACC.exe	schtasks.exe
PID 3616 wrote to memory of 3580	3616	BANK_ACC.exe	schtasks.exe
PID 3616 wrote to memory of 2936	3616	BANK_ACC.exe	BANK_ACC.exe
PID 3616 wrote to memory of 2936	3616	BANK_ACC.exe	BANK_ACC.exe
PID 3616 wrote to memory of 2936	3616	BANK_ACC.exe	BANK_ACC.exe
PID 3616 wrote to memory of 2936	3616	BANK_ACC.exe	BANK_ACC.exe
PID 3616 wrote to memory of 2936	3616	BANK_ACC.exe	BANK_ACC.exe
PID 3616 wrote to memory of 2936	3616	BANK_ACC.exe	BANK_ACC.exe
PID 3616 wrote to memory of 2936	3616	BANK_ACC.exe	BANK_ACC.exe
PID 3616 wrote to memory of 2936	3616	BANK_ACC.exe	BANK_ACC.exe

C:\Users\Admin\AppData\Local\Temp\BANK_ACC.exe
"C:\Users\Admin\AppData\Local\Temp\BANK_ACC.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:3616

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XuGrfbQGvcx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8C8B.tmp"
2⤵
- Creates scheduled task(s)
PID:3580

C:\Users\Admin\AppData\Local\Temp\BANK_ACC.exe
"{path}"
2⤵
PID:2936

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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8C8B.tmp

Filesize
1KB

MD5
fee6747e7e78f1d0336b45acc5df39ee

SHA1
7995d8033a8c3d92984268b79f4f6850e52ca64f

SHA256
897b96d9d34bf7094f868f0b8f2995db987a13abeceba31d8b382eb1e4ee38bc

SHA512
3670cea397c2c29a3f5b9a5af1ba51df7d7206959e13e545ec719aef92845cfa38fd17bcda778eaf080d870c189c60b1371644c7e6fa63ca625b81fd840e45ea

Download Submit
memory/2936-141-0x0000000000000000-mapping.dmp

Download
memory/2936-142-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3580-139-0x0000000000000000-mapping.dmp

Download
memory/3616-131-0x0000000000140000-0x00000000001BC000-memory.dmp

Filesize
496KB

Download
memory/3616-132-0x00000000051A0000-0x0000000005744000-memory.dmp

Filesize
5.6MB

Download
memory/3616-133-0x0000000004BF0000-0x0000000004C82000-memory.dmp

Filesize
584KB

Download
memory/3616-134-0x0000000004B60000-0x0000000004B6A000-memory.dmp

Filesize
40KB

Download
memory/3616-135-0x0000000004DA0000-0x0000000004DB2000-memory.dmp

Filesize
72KB

Download
memory/3616-136-0x0000000004DF0000-0x0000000004E12000-memory.dmp

Filesize
136KB

Download
memory/3616-137-0x0000000008720000-0x00000000087BC000-memory.dmp

Filesize
624KB

Download
memory/3616-138-0x0000000008EB0000-0x0000000008F16000-memory.dmp

Filesize
408KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads