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

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.shirdilog.com
Port:
587
Username:
[email protected]
Password:
SL094521

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/992-9-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/992-10-0x00000000004612BE-mapping.dmp	family_agenttesla
behavioral1/memory/992-12-0x0000000000400000-0x0000000000466000-memory.dmp	family_agenttesla
behavioral1/memory/992-11-0x0000000000400000-0x0000000000466000-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

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

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

description	pid	Process	procid_target
PID 1684 set thread context of 992	1684	Payment.exe	32

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

pid	Process
1088	schtasks.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
308	REG.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
992	Payment.exe
992	Payment.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	992	Payment.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
992	Payment.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1684 wrote to memory of 1088	1684	Payment.exe	30
PID 1684 wrote to memory of 1088	1684	Payment.exe	30
PID 1684 wrote to memory of 1088	1684	Payment.exe	30
PID 1684 wrote to memory of 1088	1684	Payment.exe	30
PID 1684 wrote to memory of 992	1684	Payment.exe	32
PID 1684 wrote to memory of 992	1684	Payment.exe	32
PID 1684 wrote to memory of 992	1684	Payment.exe	32
PID 1684 wrote to memory of 992	1684	Payment.exe	32
PID 1684 wrote to memory of 992	1684	Payment.exe	32
PID 1684 wrote to memory of 992	1684	Payment.exe	32
PID 1684 wrote to memory of 992	1684	Payment.exe	32
PID 1684 wrote to memory of 992	1684	Payment.exe	32
PID 1684 wrote to memory of 992	1684	Payment.exe	32
PID 992 wrote to memory of 308	992	Payment.exe	33
PID 992 wrote to memory of 308	992	Payment.exe	33
PID 992 wrote to memory of 308	992	Payment.exe	33
PID 992 wrote to memory of 308	992	Payment.exe	33

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 use of WriteProcessMemory
PID:1684
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gnFZsnV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp60E5.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1088
- 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:992
- - 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:308

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

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/992-9-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/992-12-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/992-11-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download
memory/992-13-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1684-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1684-3-0x0000000001230000-0x0000000001231000-memory.dmp

Filesize
4KB

Download
memory/1684-5-0x0000000000260000-0x000000000026E000-memory.dmp

Filesize
56KB

Download
memory/1684-6-0x0000000007F60000-0x0000000008037000-memory.dmp

Filesize
860KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads