agenttesla | 9e985c343835204f9a3754f1f4afae132b2acec6f91ea6af8fe63e22cde4dccc

General

Target

Purchase ORDER.exe
Size

418KB
MD5

9379b0be7d5f7bdf52de8bcaf7cb0822
SHA1

0f6fae2ae2a8919646b035fe5a61c3b5a03c6267
SHA256

ac2aab6531d925758d42b868961baac85fba5b02343b50597f820f1cf7c60e0a
SHA512

04597f30ccebf497d54f3cadcb8a5a2833a7bf4cbefa99081db1ff995a5e501d01b4f8c934066938e818ece731b2c48fb9517b4b1c49a429a630f05cfd49f99a

Score

10^/10

agenttesla evasion keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.samudrapanel.com
Port:
587
Username:
[email protected]
Password:
weslali234

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/300-63-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/300-64-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/300-65-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/300-66-0x000000000044A9DE-mapping.dmp	family_agenttesla
behavioral1/memory/300-68-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla
behavioral1/memory/300-70-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/2024-57-0x0000000004A40000-0x0000000004A96000-memory.dmp	rezer0

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:

Purchase ORDER.exe

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

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

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 stealer

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 stealer

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:

Purchase ORDER.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchase ORDER.exe

description pid process target process

PID 2024 set thread context of 300 2024 Purchase ORDER.exe Purchase ORDER.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

1488 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Purchase ORDER.exePurchase ORDER.exe

pid process

2024 Purchase ORDER.exe
300 Purchase ORDER.exe
300 Purchase ORDER.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchase ORDER.exePurchase ORDER.exe

description pid process

Token: SeDebugPrivilege 2024 Purchase ORDER.exe
Token: SeDebugPrivilege 300 Purchase ORDER.exe

description	pid	process	target process
PID 2024 set thread context of 300	2024	Purchase ORDER.exe	Purchase ORDER.exe

pid	process
1488	schtasks.exe

pid	process
2024	Purchase ORDER.exe
300	Purchase ORDER.exe
300	Purchase ORDER.exe

description	pid	process
Token: SeDebugPrivilege	2024	Purchase ORDER.exe
Token: SeDebugPrivilege	300	Purchase ORDER.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Purchase ORDER.exePurchase ORDER.exe

description	pid	process	target process
PID 2024 wrote to memory of 1488	2024	Purchase ORDER.exe	schtasks.exe
PID 2024 wrote to memory of 1488	2024	Purchase ORDER.exe	schtasks.exe
PID 2024 wrote to memory of 1488	2024	Purchase ORDER.exe	schtasks.exe
PID 2024 wrote to memory of 1488	2024	Purchase ORDER.exe	schtasks.exe
PID 2024 wrote to memory of 300	2024	Purchase ORDER.exe	Purchase ORDER.exe
PID 2024 wrote to memory of 300	2024	Purchase ORDER.exe	Purchase ORDER.exe
PID 2024 wrote to memory of 300	2024	Purchase ORDER.exe	Purchase ORDER.exe
PID 2024 wrote to memory of 300	2024	Purchase ORDER.exe	Purchase ORDER.exe
PID 2024 wrote to memory of 300	2024	Purchase ORDER.exe	Purchase ORDER.exe
PID 2024 wrote to memory of 300	2024	Purchase ORDER.exe	Purchase ORDER.exe
PID 2024 wrote to memory of 300	2024	Purchase ORDER.exe	Purchase ORDER.exe
PID 2024 wrote to memory of 300	2024	Purchase ORDER.exe	Purchase ORDER.exe
PID 2024 wrote to memory of 300	2024	Purchase ORDER.exe	Purchase ORDER.exe
PID 300 wrote to memory of 1164	300	Purchase ORDER.exe	netsh.exe
PID 300 wrote to memory of 1164	300	Purchase ORDER.exe	netsh.exe
PID 300 wrote to memory of 1164	300	Purchase ORDER.exe	netsh.exe
PID 300 wrote to memory of 1164	300	Purchase ORDER.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Purchase ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase ORDER.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:2024

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qcivfKQyhKhFdy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6385.tmp"
2⤵
- Creates scheduled task(s)
PID:1488

C:\Users\Admin\AppData\Local\Temp\Purchase ORDER.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:300

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1164

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

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\tmp6385.tmp
Filesize
1KB

MD5
d96a63863b9a18878b5e6d34a1813c33

SHA1
4fde138177030eb222c28c76fb7ecc3bf744a02d

SHA256
3599a572f02bdb0bb7487090c7f4e70fa01e78bd17eb01e03b76575b9ddb1948

SHA512
81393b2ca6e2a4211bc81ee7e486413daf42fc9ad4698b01c2a11969044ae71fbd0a838ebef5fe1565cae50e43f66966f8c4e444356404ab720983aec70eae6d

Download Submit
memory/300-64-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/300-66-0x000000000044A9DE-mapping.dmp

Download
memory/300-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/300-68-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/300-65-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/300-60-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/300-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/300-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1164-72-0x0000000000000000-mapping.dmp

Download
memory/1488-58-0x0000000000000000-mapping.dmp

Download
memory/2024-54-0x00000000012F0000-0x000000000135E000-memory.dmp

Filesize
440KB

Download
memory/2024-55-0x0000000075381000-0x0000000075383000-memory.dmp

Filesize
8KB

Download
memory/2024-56-0x0000000000230000-0x0000000000238000-memory.dmp

Filesize
32KB

Download
memory/2024-57-0x0000000004A40000-0x0000000004A96000-memory.dmp

Filesize
344KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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