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 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1160-63-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/1160-64-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/1160-65-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/1160-66-0x00000000004485FE-mapping.dmp	family_agenttesla
behavioral1/memory/1160-68-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/1160-70-0x0000000000400000-0x000000000044E000-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

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 1884 set thread context of 1160 1884 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

1432 schtasks.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

BANK_ACC.exe

pid process

1884 BANK_ACC.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

BANK_ACC.exe

description pid process

Token: SeDebugPrivilege 1884 BANK_ACC.exe

description	pid	process	target process
PID 1884 set thread context of 1160	1884	BANK_ACC.exe	BANK_ACC.exe

pid	process
1432	schtasks.exe

pid	process
1884	BANK_ACC.exe

description	pid	process
Token: SeDebugPrivilege	1884	BANK_ACC.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

BANK_ACC.exe

description	pid	process	target process
PID 1884 wrote to memory of 1432	1884	BANK_ACC.exe	schtasks.exe
PID 1884 wrote to memory of 1432	1884	BANK_ACC.exe	schtasks.exe
PID 1884 wrote to memory of 1432	1884	BANK_ACC.exe	schtasks.exe
PID 1884 wrote to memory of 1432	1884	BANK_ACC.exe	schtasks.exe
PID 1884 wrote to memory of 1160	1884	BANK_ACC.exe	BANK_ACC.exe
PID 1884 wrote to memory of 1160	1884	BANK_ACC.exe	BANK_ACC.exe
PID 1884 wrote to memory of 1160	1884	BANK_ACC.exe	BANK_ACC.exe
PID 1884 wrote to memory of 1160	1884	BANK_ACC.exe	BANK_ACC.exe
PID 1884 wrote to memory of 1160	1884	BANK_ACC.exe	BANK_ACC.exe
PID 1884 wrote to memory of 1160	1884	BANK_ACC.exe	BANK_ACC.exe
PID 1884 wrote to memory of 1160	1884	BANK_ACC.exe	BANK_ACC.exe
PID 1884 wrote to memory of 1160	1884	BANK_ACC.exe	BANK_ACC.exe
PID 1884 wrote to memory of 1160	1884	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
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XuGrfbQGvcx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD4BE.tmp"
2⤵
- Creates scheduled task(s)
PID:1432

C:\Users\Admin\AppData\Local\Temp\BANK_ACC.exe
"{path}"
2⤵
PID:1160

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

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD4BE.tmp
Filesize
1KB

MD5
eaa4fea991cc6f02814ca81a0c53386f

SHA1
d1693f9b0958b6f6663758d25fc6ba4cbb8f7b70

SHA256
dfa179cf9285fffb2dc94904795f9df508a477e91b1317d5617107595884e4ef

SHA512
bd360e48942c398dab959bb1bfcf051b89bc8cd15e0a1041f98297710bca81ccfbcb1f1496bceb2151f4356d32a285104a17a89beb219a0217b279ccf979ce5f

Download Submit
memory/1160-64-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1160-60-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1160-61-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1160-63-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1160-65-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1160-66-0x00000000004485FE-mapping.dmp

Download
memory/1160-68-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1160-70-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1432-58-0x0000000000000000-mapping.dmp

Download
memory/1884-56-0x00000000004B0000-0x00000000004B8000-memory.dmp

Filesize
32KB

Download
memory/1884-57-0x0000000000EF0000-0x0000000000F46000-memory.dmp

Filesize
344KB

Download
memory/1884-55-0x0000000075191000-0x0000000075193000-memory.dmp

Filesize
8KB

Download
memory/1884-54-0x0000000000F60000-0x0000000000FDC000-memory.dmp

Filesize
496KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads