agenttesla | 1aed59566e57308c09362191f84b4dd9dc588a22fe554795d5c7bc67a8c794c3

General

Target

Payment ConfirmationPDF.exe
Size

1022KB
MD5

039a8f835b9874a0bfa36542cd817588
SHA1

7ca4219e4ea5ced3cbdd1dda78fc6c4e528d3e7c
SHA256

48f5ec7f8dface6902c82f810be45ae1d8be5f3697afc232743b9153d46883a6
SHA512

55408c3052413d5d87113a83a096a61685bba4933b04495f320ac955fc46afbf701ec5886eb7165192be8992bd0949f969e96ad2ae35fd4e42a1a09a03cbbc0c

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.arrmet.in
Port:
587
Username:
[email protected]
Password:
h)pzIy(9

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/1108-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1108-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1108-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1108-67-0x000000000044704E-mapping.dmp	family_agenttesla
behavioral1/memory/1108-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1108-71-0x0000000000400000-0x000000000044C000-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:

Payment ConfirmationPDF.exe

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

Payment ConfirmationPDF.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment ConfirmationPDF.exe

description pid process target process

PID 1304 set thread context of 1108 1304 Payment ConfirmationPDF.exe Payment ConfirmationPDF.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

1840 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Payment ConfirmationPDF.exePayment ConfirmationPDF.exe

pid process

1304 Payment ConfirmationPDF.exe
1108 Payment ConfirmationPDF.exe
1108 Payment ConfirmationPDF.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment ConfirmationPDF.exePayment ConfirmationPDF.exe

description pid process

Token: SeDebugPrivilege 1304 Payment ConfirmationPDF.exe
Token: SeDebugPrivilege 1108 Payment ConfirmationPDF.exe

description	pid	process	target process
PID 1304 set thread context of 1108	1304	Payment ConfirmationPDF.exe	Payment ConfirmationPDF.exe

pid	process
1840	schtasks.exe

pid	process
1304	Payment ConfirmationPDF.exe
1108	Payment ConfirmationPDF.exe
1108	Payment ConfirmationPDF.exe

description	pid	process
Token: SeDebugPrivilege	1304	Payment ConfirmationPDF.exe
Token: SeDebugPrivilege	1108	Payment ConfirmationPDF.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Payment ConfirmationPDF.exe

description	pid	process	target process
PID 1304 wrote to memory of 1840	1304	Payment ConfirmationPDF.exe	schtasks.exe
PID 1304 wrote to memory of 1840	1304	Payment ConfirmationPDF.exe	schtasks.exe
PID 1304 wrote to memory of 1840	1304	Payment ConfirmationPDF.exe	schtasks.exe
PID 1304 wrote to memory of 1840	1304	Payment ConfirmationPDF.exe	schtasks.exe
PID 1304 wrote to memory of 1108	1304	Payment ConfirmationPDF.exe	Payment ConfirmationPDF.exe
PID 1304 wrote to memory of 1108	1304	Payment ConfirmationPDF.exe	Payment ConfirmationPDF.exe
PID 1304 wrote to memory of 1108	1304	Payment ConfirmationPDF.exe	Payment ConfirmationPDF.exe
PID 1304 wrote to memory of 1108	1304	Payment ConfirmationPDF.exe	Payment ConfirmationPDF.exe
PID 1304 wrote to memory of 1108	1304	Payment ConfirmationPDF.exe	Payment ConfirmationPDF.exe
PID 1304 wrote to memory of 1108	1304	Payment ConfirmationPDF.exe	Payment ConfirmationPDF.exe
PID 1304 wrote to memory of 1108	1304	Payment ConfirmationPDF.exe	Payment ConfirmationPDF.exe
PID 1304 wrote to memory of 1108	1304	Payment ConfirmationPDF.exe	Payment ConfirmationPDF.exe
PID 1304 wrote to memory of 1108	1304	Payment ConfirmationPDF.exe	Payment ConfirmationPDF.exe

C:\Users\Admin\AppData\Local\Temp\Payment ConfirmationPDF.exe
"C:\Users\Admin\AppData\Local\Temp\Payment ConfirmationPDF.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:1304

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pBmldmyhcEnP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC13.tmp"
2⤵
- Creates scheduled task(s)
PID:1840

C:\Users\Admin\AppData\Local\Temp\Payment ConfirmationPDF.exe
"C:\Users\Admin\AppData\Local\Temp\Payment ConfirmationPDF.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1108

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\tmpC13.tmp
Filesize
1KB

MD5
c4e7ebc29aa891690a17ce2b0d554655

SHA1
73158f9e28b74bcb000e82b59613d767fe77655c

SHA256
586f6eebd695409f09de99f65a56a78c664cc4181bef64a3f5f88147f861f9c7

SHA512
18d9a8726bc09a1c1b21bcff3e5aa12e3ab1c0fdc7b763703133d82b1c5d05f2042c2fe916768c994e73183393f4104f08113e45a5e00e4c84f2308ff7beb157

Download Submit
memory/1108-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1108-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1108-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1108-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1108-67-0x000000000044704E-mapping.dmp

Download
memory/1108-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1108-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1108-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1304-54-0x00000000001D0000-0x00000000002D6000-memory.dmp

Filesize
1.0MB

Download
memory/1304-55-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

Download
memory/1304-56-0x00000000003B0000-0x00000000003BA000-memory.dmp

Filesize
40KB

Download
memory/1304-58-0x00000000021C0000-0x000000000220C000-memory.dmp

Filesize
304KB

Download
memory/1304-57-0x0000000001F80000-0x0000000001FE6000-memory.dmp

Filesize
408KB

Download
memory/1840-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads