agenttesla | 0c630248507337f2835d5ff76bcadd48aca15cc50c4b334eabea3a93bac8a6cb

General

Target

new order.exe
Size

497KB
MD5

d0e301c9c9892ff14f1a5fdd7b94d840
SHA1

1764dfe3ff7917388032b34c378d30c2fd81fb15
SHA256

0c630248507337f2835d5ff76bcadd48aca15cc50c4b334eabea3a93bac8a6cb
SHA512

ed63a440aa1c7e617c0c8013b781bf1fed6b970fa0ec602b5b9522bd3d9a6f522627dd4d432c0a3382b77c8e3cef9328e36fe75766e1236455bdd2de73492662

Score

10^/10

agenttesla evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tandempakistan.com
Port:
587
Username:
mngacct@tandempakistan.com
Password:
fayyazrml

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1884-54-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1884-55-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1884-56-0x0000000000400000-0x0000000000452000-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:

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

new order.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-910373003-3952921535-3480519689-1000\Software\Microsoft\Windows\CurrentVersion\Run\zQalIQ = "C:\\Users\\Admin\\AppData\\Roaming\\zQalIQ\\zQalIQ.exe"	new order.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:

new order.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

new order.exe

description pid process target process

PID 1356 set thread context of 1884 1356 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

1568 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

new order.exe

pid process

1884 new order.exe
1884 new order.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

new order.exe

description pid process

Token: SeDebugPrivilege 1884 new order.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

new order.exe

pid process

1884 new order.exe

description	pid	process	target process
PID 1356 set thread context of 1884	1356	new order.exe	new order.exe

pid	process
1568	schtasks.exe

pid	process
1884	new order.exe
1884	new order.exe

description	pid	process
Token: SeDebugPrivilege	1884	new order.exe

pid	process
1884	new order.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

new order.exenew order.exe

description	pid	process	target process
PID 1356 wrote to memory of 1568	1356	new order.exe	schtasks.exe
PID 1356 wrote to memory of 1568	1356	new order.exe	schtasks.exe
PID 1356 wrote to memory of 1568	1356	new order.exe	schtasks.exe
PID 1356 wrote to memory of 1568	1356	new order.exe	schtasks.exe
PID 1356 wrote to memory of 1884	1356	new order.exe	new order.exe
PID 1356 wrote to memory of 1884	1356	new order.exe	new order.exe
PID 1356 wrote to memory of 1884	1356	new order.exe	new order.exe
PID 1356 wrote to memory of 1884	1356	new order.exe	new order.exe
PID 1356 wrote to memory of 1884	1356	new order.exe	new order.exe
PID 1356 wrote to memory of 1884	1356	new order.exe	new order.exe
PID 1356 wrote to memory of 1884	1356	new order.exe	new order.exe
PID 1356 wrote to memory of 1884	1356	new order.exe	new order.exe
PID 1356 wrote to memory of 1884	1356	new order.exe	new order.exe
PID 1884 wrote to memory of 1096	1884	new order.exe	netsh.exe
PID 1884 wrote to memory of 1096	1884	new order.exe	netsh.exe
PID 1884 wrote to memory of 1096	1884	new order.exe	netsh.exe
PID 1884 wrote to memory of 1096	1884	new order.exe	netsh.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 use of WriteProcessMemory
PID:1356

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VuEpwRV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp115E.tmp"
2⤵
- Creates scheduled task(s)
PID:1568

C:\Users\Admin\AppData\Local\Temp\new order.exe
"{path}"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1096

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

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\tmp115E.tmp
MD5
8eeb1e762085493adc5da4b2829eb098

SHA1
48b8891bc6cdb52ae9bd1efc6fcd7673b8a49b60

SHA256
69f0a0a43064035719035e60ca6f06b07db0415f8149063b79fcf34918e8a7b5

SHA512
7c082fdc420ac4df289aa3be903fd4509460d013b26685705dcbc2ed5e4363265e110c4b1e11c5ed091ee6f91653106a66cd54ff9c7f6743b5bbf1d96a24c946

Download Submit
memory/1884-54-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1884-55-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1884-56-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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