agenttesla | 71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae

General

Target

71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
Size

876KB
MD5

715c8a340ceb9d32096378bb736872f4
SHA1

6d2e8e0fa231fd780b6e9bf89e54794502caf526
SHA256

71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae
SHA512

cd832af4365369aaa004f8b633653b6bf520ae25e427738b23fb3b887b2c9e1c351cfa056ffeda6613cde9a657f6d5d11ed19ea5f5740a0179436448c6027ab2
SSDEEP

12288:Sz3EEC1Noku3XDG2yxW4j8Z2Py6jcZz6LLWoXhgIscC808ugklx:QDC1NozG2yY4QR6jCqXh5scC808ugo

Score

10^/10

agenttesla evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.huiijingco.com
Port:
587
Username:
[email protected]
Password:
lNLUrZT2

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/1204-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1204-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1204-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1204-69-0x0000000000436C5E-mapping.dmp	family_agenttesla
behavioral1/memory/1204-71-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1204-73-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

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:

71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.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:

71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

description	pid	process	target process
PID 2004 set thread context of 1204	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exe71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

pid	process
1096	powershell.exe
1204	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
1204	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exe71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

description	pid	process
Token: SeDebugPrivilege	1096	powershell.exe
Token: SeDebugPrivilege	1204	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

description	pid	process	target process
PID 2004 wrote to memory of 1096	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	powershell.exe
PID 2004 wrote to memory of 1096	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	powershell.exe
PID 2004 wrote to memory of 1096	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	powershell.exe
PID 2004 wrote to memory of 1096	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	powershell.exe
PID 2004 wrote to memory of 1204	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
PID 2004 wrote to memory of 1204	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
PID 2004 wrote to memory of 1204	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
PID 2004 wrote to memory of 1204	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
PID 2004 wrote to memory of 1204	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
PID 2004 wrote to memory of 1204	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
PID 2004 wrote to memory of 1204	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
PID 2004 wrote to memory of 1204	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
PID 2004 wrote to memory of 1204	2004	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe	71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe

C:\Users\Admin\AppData\Local\Temp\71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
"C:\Users\Admin\AppData\Local\Temp\71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2004

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1096

C:\Users\Admin\AppData\Local\Temp\71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe
"C:\Users\Admin\AppData\Local\Temp\71a6401ab3cdddf346353e5c03a5b60d086ffa0861f64c355d20bed2374b5bae.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1204

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1096-59-0x0000000000000000-mapping.dmp

Download
memory/1096-74-0x000000006ECE0000-0x000000006F28B000-memory.dmp

Filesize
5.7MB

Download
memory/1096-63-0x000000006ECE0000-0x000000006F28B000-memory.dmp

Filesize
5.7MB

Download
memory/1204-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1204-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1204-73-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1204-71-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1204-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1204-69-0x0000000000436C5E-mapping.dmp

Download
memory/1204-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1204-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2004-58-0x0000000005BA0000-0x0000000005C2A000-memory.dmp

Filesize
552KB

Download
memory/2004-54-0x0000000001010000-0x00000000010F0000-memory.dmp

Filesize
896KB

Download
memory/2004-56-0x0000000000930000-0x000000000094A000-memory.dmp

Filesize
104KB

Download
memory/2004-61-0x0000000004F70000-0x0000000004FAC000-memory.dmp

Filesize
240KB

Download
memory/2004-57-0x0000000000B50000-0x0000000000B5C000-memory.dmp

Filesize
48KB

Download
memory/2004-55-0x0000000075811000-0x0000000075813000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads