agenttesla | 112f430a8cc28d3889163bbaf9811c74c3d2af2c9af672d16f0f7888df6d51e2

General

Target

New Order.exe
Size

813KB
MD5

3462afcbdb0969b7f24b42f0e42c7988
SHA1

6429f37abdf26c93793eccdd8dc0ecaffb149655
SHA256

112f430a8cc28d3889163bbaf9811c74c3d2af2c9af672d16f0f7888df6d51e2
SHA512

4656f47988a96f6abb0e27d2c6a8bdfa69b41bc75a67b2c7d99ef45a4755e81450da02434ca2f7cc7a5441b99810dc90e372c74214ff723a3400b2aef3595029

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.pulpdant.com
Port:
587
Username:
[email protected]
Password:
pato1anita

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/4036-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4036-16-0x00000000004375FE-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:

New Order.exe

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

New Order.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

New Order.exe

description pid process target process

PID 4704 set thread context of 4036 4704 New Order.exe New 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

416 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

New Order.exeNew Order.exe

pid process

4704 New Order.exe
4036 New Order.exe
4036 New Order.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

New Order.exeNew Order.exe

description pid process

Token: SeDebugPrivilege 4704 New Order.exe
Token: SeDebugPrivilege 4036 New Order.exe

description	pid	process	target process
PID 4704 set thread context of 4036	4704	New Order.exe	New Order.exe

pid	process
416	schtasks.exe

pid	process
4704	New Order.exe
4036	New Order.exe
4036	New Order.exe

description	pid	process
Token: SeDebugPrivilege	4704	New Order.exe
Token: SeDebugPrivilege	4036	New Order.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

New Order.exe

description	pid	process	target process
PID 4704 wrote to memory of 416	4704	New Order.exe	schtasks.exe
PID 4704 wrote to memory of 416	4704	New Order.exe	schtasks.exe
PID 4704 wrote to memory of 416	4704	New Order.exe	schtasks.exe
PID 4704 wrote to memory of 4036	4704	New Order.exe	New Order.exe
PID 4704 wrote to memory of 4036	4704	New Order.exe	New Order.exe
PID 4704 wrote to memory of 4036	4704	New Order.exe	New Order.exe
PID 4704 wrote to memory of 4036	4704	New Order.exe	New Order.exe
PID 4704 wrote to memory of 4036	4704	New Order.exe	New Order.exe
PID 4704 wrote to memory of 4036	4704	New Order.exe	New Order.exe
PID 4704 wrote to memory of 4036	4704	New Order.exe	New Order.exe
PID 4704 wrote to memory of 4036	4704	New Order.exe	New Order.exe

C:\Users\Admin\AppData\Local\Temp\New Order.exe
"C:\Users\Admin\AppData\Local\Temp\New 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:4704

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\veTETlsQyxlWT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA3B.tmp"
2⤵
- Creates scheduled task(s)
PID:416

C:\Users\Admin\AppData\Local\Temp\New Order.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4036

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

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\tmpCA3B.tmp
MD5
24f5fdcc3f75871eec9f30e977e1183b

SHA1
5faa5ede4915e77b1c6bdf24b5e064aa0e9b324d

SHA256
6f0f08ed357eb8f1e10b50976d6e1c2bb8168d29f88c6744682cdabafa06c86a

SHA512
15a12429c264853729187edd212dc6f399f7f39b5b21d7d75ceefa64b111487e2bad10d771fca939d2b10b1a7211a93b041a88cbe3d19fe9500bda5244620c62

Download Submit
memory/416-13-0x0000000000000000-mapping.dmp

Download
memory/4036-27-0x0000000005481000-0x0000000005482000-memory.dmp

Filesize
4KB

Download
memory/4036-23-0x00000000056D0000-0x00000000056D1000-memory.dmp

Filesize
4KB

Download
memory/4036-21-0x0000000005480000-0x0000000005481000-memory.dmp

Filesize
4KB

Download
memory/4036-17-0x0000000073CE0000-0x00000000743CE000-memory.dmp

Filesize
6.9MB

Download
memory/4036-16-0x00000000004375FE-mapping.dmp

Download
memory/4036-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4704-7-0x0000000004C90000-0x0000000004C91000-memory.dmp

Filesize
4KB

Download
memory/4704-12-0x00000000072C0000-0x00000000072C1000-memory.dmp

Filesize
4KB

Download
memory/4704-11-0x0000000007120000-0x0000000007121000-memory.dmp

Filesize
4KB

Download
memory/4704-10-0x0000000007000000-0x0000000007058000-memory.dmp

Filesize
352KB

Download
memory/4704-9-0x0000000005130000-0x0000000005134000-memory.dmp

Filesize
16KB

Download
memory/4704-8-0x0000000004EA0000-0x0000000004EA1000-memory.dmp

Filesize
4KB

Download
memory/4704-2-0x0000000073CE0000-0x00000000743CE000-memory.dmp

Filesize
6.9MB

Download
memory/4704-6-0x0000000004D20000-0x0000000004D21000-memory.dmp

Filesize
4KB

Download
memory/4704-5-0x0000000005140000-0x0000000005141000-memory.dmp

Filesize
4KB

Download
memory/4704-3-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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