agenttesla | bd648199b17ff21db3d45cfd10eb3b70fdcbdf42c405061025de6cd1a59c212e

General

Target

Payment.exe
Size

1.0MB
MD5

6b30bab8e1f4ff60acca54a249517bd5
SHA1

4a934e2daf22ee33f1aea1cd49cdd294986efc16
SHA256

bd648199b17ff21db3d45cfd10eb3b70fdcbdf42c405061025de6cd1a59c212e
SHA512

6ab09364ace6407d9cd139e1f564f6d38134a13d0b7281aeca74e8d3f1a76199a794c248c1ef7a5ded326765cac7f4b94d0bba484b76f33457db49a620852ac7

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.shirdilog.com
Port:
587
Username:
cs.maa@shirdilog.com
Password:
SL094521

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.shirdilog.com
Port:
587
Username:
cs.maa@shirdilog.com
Password:
SL094521

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1316-15-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral2/memory/1316-16-0x00000000004612BE-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:

Payment.exe

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

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

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.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment.exe

description pid process target process

PID 4760 set thread context of 1316 4760 Payment.exe Payment.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

1048 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

2264 REG.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Payment.exePayment.exe

pid process

4760 Payment.exe
1316 Payment.exe
1316 Payment.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment.exePayment.exe

description pid process

Token: SeDebugPrivilege 4760 Payment.exe
Token: SeDebugPrivilege 1316 Payment.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Payment.exe

pid process

1316 Payment.exe

description	pid	process	target process
PID 4760 set thread context of 1316	4760	Payment.exe	Payment.exe

pid	process
1048	schtasks.exe

pid	process
2264	REG.exe

pid	process
4760	Payment.exe
1316	Payment.exe
1316	Payment.exe

description	pid	process
Token: SeDebugPrivilege	4760	Payment.exe
Token: SeDebugPrivilege	1316	Payment.exe

pid	process
1316	Payment.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Payment.exePayment.exe

description	pid	process	target process
PID 4760 wrote to memory of 1048	4760	Payment.exe	schtasks.exe
PID 4760 wrote to memory of 1048	4760	Payment.exe	schtasks.exe
PID 4760 wrote to memory of 1048	4760	Payment.exe	schtasks.exe
PID 4760 wrote to memory of 1316	4760	Payment.exe	Payment.exe
PID 4760 wrote to memory of 1316	4760	Payment.exe	Payment.exe
PID 4760 wrote to memory of 1316	4760	Payment.exe	Payment.exe
PID 4760 wrote to memory of 1316	4760	Payment.exe	Payment.exe
PID 4760 wrote to memory of 1316	4760	Payment.exe	Payment.exe
PID 4760 wrote to memory of 1316	4760	Payment.exe	Payment.exe
PID 4760 wrote to memory of 1316	4760	Payment.exe	Payment.exe
PID 4760 wrote to memory of 1316	4760	Payment.exe	Payment.exe
PID 1316 wrote to memory of 2264	1316	Payment.exe	REG.exe
PID 1316 wrote to memory of 2264	1316	Payment.exe	REG.exe
PID 1316 wrote to memory of 2264	1316	Payment.exe	REG.exe

C:\Users\Admin\AppData\Local\Temp\Payment.exe
"C:\Users\Admin\AppData\Local\Temp\Payment.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:4760

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gnFZsnV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39DD.tmp"
2⤵
- Creates scheduled task(s)
PID:1048

C:\Users\Admin\AppData\Local\Temp\Payment.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1316

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer / v NoRun / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:2264

Network

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

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp39DD.tmp
MD5
8cef52dc593c4a586b678d9a84ab0234

SHA1
20cdb2fb2875c337b300de17b079ed08e92f5afe

SHA256
fdfa473c07fa508a6240f4b8072b644a0c0491a862391575da61084809285e0e

SHA512
21714042d2b45418b932e62cdd0cd5fb1dfee35c28f5a4405df5cc2a2ec577bbc3d7b2d80883648b1aa0ffaf5b37a71570333c87bd1b29729e087ddb8d01e1c4

Download Submit
memory/1048-13-0x0000000000000000-mapping.dmp

Download
memory/1316-22-0x0000000005430000-0x0000000005431000-memory.dmp

Filesize
4KB

Download
memory/1316-17-0x0000000073150000-0x000000007383E000-memory.dmp

Filesize
6.9MB

Download
memory/1316-16-0x00000000004612BE-mapping.dmp

Download
memory/1316-15-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/2264-24-0x0000000000000000-mapping.dmp

Download
memory/4760-7-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

Filesize
4KB

Download
memory/4760-11-0x0000000008F50000-0x0000000009027000-memory.dmp

Filesize
860KB

Download
memory/4760-12-0x00000000091A0000-0x00000000091A1000-memory.dmp

Filesize
4KB

Download
memory/4760-10-0x00000000054F0000-0x00000000054FE000-memory.dmp

Filesize
56KB

Download
memory/4760-9-0x0000000008490000-0x0000000008491000-memory.dmp

Filesize
4KB

Download
memory/4760-8-0x0000000008920000-0x0000000008921000-memory.dmp

Filesize
4KB

Download
memory/4760-2-0x0000000073150000-0x000000007383E000-memory.dmp

Filesize
6.9MB

Download
memory/4760-6-0x0000000004F20000-0x0000000004F21000-memory.dmp

Filesize
4KB

Download
memory/4760-5-0x0000000005520000-0x0000000005521000-memory.dmp

Filesize
4KB

Download
memory/4760-3-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads