agenttesla | 4d1c6306576a3841ce94865a305f77778863ed817c9dc8b83cabd25ee38af7d4

General

Target

Trung Viet - new order documents_#0020.exe
Size

591KB
MD5

56bc65bc8b533f57e14a3913c2e6bfc6
SHA1

e6180773a85e1e4aa0e9ab2065e1638df3383e6b
SHA256

367e5e97153f85008f89e575fc7e5b871eccc671b8247acb92e89a128204ab41
SHA512

9bbf65375c454e889d7ac98e896b1ce1bd923f492c5d0b1de3c2bc115d3f2108a7e808aa8fec76ba8c105b9107d7a719a6f872c0984b69f5d62d3d3f9586b1e4

Score

10^/10

agenttesla keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.daiphatfood.com.vn
Port:
587
Username:
[email protected]
Password:
jn&6kG~_w;;A

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/1996-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-66-0x0000000000446BAE-mapping.dmp	family_agenttesla
behavioral1/memory/1996-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1996-70-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

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

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1004-56-0x0000000000540000-0x0000000000592000-memory.dmp	rezer0

Suspicious use of SetThreadContext 1 IoCs

Processes:

Trung Viet - new order documents_#0020.exe

description	pid	process	target process
PID 1004 set thread context of 1996	1004	Trung Viet - new order documents_#0020.exe	Trung Viet - new order documents_#0020.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

1120 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Trung Viet - new order documents_#0020.exe

pid process

1996 Trung Viet - new order documents_#0020.exe
1996 Trung Viet - new order documents_#0020.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Trung Viet - new order documents_#0020.exe

description pid process

Token: SeDebugPrivilege 1996 Trung Viet - new order documents_#0020.exe

pid	process
1120	schtasks.exe

pid	process
1996	Trung Viet - new order documents_#0020.exe
1996	Trung Viet - new order documents_#0020.exe

description	pid	process
Token: SeDebugPrivilege	1996	Trung Viet - new order documents_#0020.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Trung Viet - new order documents_#0020.exe

description	pid	process	target process
PID 1004 wrote to memory of 1120	1004	Trung Viet - new order documents_#0020.exe	schtasks.exe
PID 1004 wrote to memory of 1120	1004	Trung Viet - new order documents_#0020.exe	schtasks.exe
PID 1004 wrote to memory of 1120	1004	Trung Viet - new order documents_#0020.exe	schtasks.exe
PID 1004 wrote to memory of 1120	1004	Trung Viet - new order documents_#0020.exe	schtasks.exe
PID 1004 wrote to memory of 1996	1004	Trung Viet - new order documents_#0020.exe	Trung Viet - new order documents_#0020.exe
PID 1004 wrote to memory of 1996	1004	Trung Viet - new order documents_#0020.exe	Trung Viet - new order documents_#0020.exe
PID 1004 wrote to memory of 1996	1004	Trung Viet - new order documents_#0020.exe	Trung Viet - new order documents_#0020.exe
PID 1004 wrote to memory of 1996	1004	Trung Viet - new order documents_#0020.exe	Trung Viet - new order documents_#0020.exe
PID 1004 wrote to memory of 1996	1004	Trung Viet - new order documents_#0020.exe	Trung Viet - new order documents_#0020.exe
PID 1004 wrote to memory of 1996	1004	Trung Viet - new order documents_#0020.exe	Trung Viet - new order documents_#0020.exe
PID 1004 wrote to memory of 1996	1004	Trung Viet - new order documents_#0020.exe	Trung Viet - new order documents_#0020.exe
PID 1004 wrote to memory of 1996	1004	Trung Viet - new order documents_#0020.exe	Trung Viet - new order documents_#0020.exe
PID 1004 wrote to memory of 1996	1004	Trung Viet - new order documents_#0020.exe	Trung Viet - new order documents_#0020.exe

C:\Users\Admin\AppData\Local\Temp\Trung Viet - new order documents_#0020.exe
"C:\Users\Admin\AppData\Local\Temp\Trung Viet - new order documents_#0020.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1004

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fhFwEvIE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp22DD.tmp"
2⤵
- Creates scheduled task(s)
PID:1120

C:\Users\Admin\AppData\Local\Temp\Trung Viet - new order documents_#0020.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1996

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

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp22DD.tmp
Filesize
1KB

MD5
4d4f08be1c7d75191d22543c5a944a70

SHA1
b4c2cc129edc31a06493638469c1a5029a88e70c

SHA256
d604323e3068f08c4182863630de997d8100014456bbeea99c287589e5fdf689

SHA512
9cfd90d3691a2b6e17c09e82839af660ecb21a82095a73571f6dda6a1313f86546e7b8c8d99db688895668694e8dfbec0698e553c032029e528cd5fe8d12f0f2

Download Submit
memory/1004-54-0x00000000012A0000-0x000000000133A000-memory.dmp

Filesize
616KB

Download
memory/1004-55-0x0000000000270000-0x0000000000278000-memory.dmp

Filesize
32KB

Download
memory/1004-56-0x0000000000540000-0x0000000000592000-memory.dmp

Filesize
328KB

Download
memory/1004-57-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

Filesize
8KB

Download
memory/1120-58-0x0000000000000000-mapping.dmp

Download
memory/1996-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-66-0x0000000000446BAE-mapping.dmp

Download
memory/1996-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1996-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads