agenttesla | 6e5534bae3f5c22467266cc1921253fded33437267b0f8b469bb17282c52a4f2

General

Target

WT0045679.exe
Size

348KB
MD5

62ed509fb1d4970cdce54f932c62f183
SHA1

a9ad23ec52ed7a577cc7e3ae3136b9386b29793c
SHA256

6e5534bae3f5c22467266cc1921253fded33437267b0f8b469bb17282c52a4f2
SHA512

bb72fe936402a70f7b6e7be9d0dfd80011e668a34cdad12b4407c4fa6f1f65e98b5766a2e693172cfbc7a4984910e50d255392b944d4931f73f27ae6ffb0a453

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.mexicanproduct.com.mx
Port:
587
Username:
[email protected]
Password:
Produccion2020.

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/388-4-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/388-5-0x000000000044983E-mapping.dmp	family_agenttesla
behavioral1/memory/388-6-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/388-7-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

WT0045679.exe

description pid process target process

PID 1108 set thread context of 388 1108 WT0045679.exe WT0045679.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

1624 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

WT0045679.exeWT0045679.exe

pid process

1108 WT0045679.exe
388 WT0045679.exe
388 WT0045679.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

WT0045679.exeWT0045679.exe

description pid process

Token: SeDebugPrivilege 1108 WT0045679.exe
Token: SeDebugPrivilege 388 WT0045679.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

WT0045679.exe

pid process

388 WT0045679.exe

description	pid	process	target process
PID 1108 set thread context of 388	1108	WT0045679.exe	WT0045679.exe

pid	process
1624	schtasks.exe

pid	process
1108	WT0045679.exe
388	WT0045679.exe
388	WT0045679.exe

description	pid	process
Token: SeDebugPrivilege	1108	WT0045679.exe
Token: SeDebugPrivilege	388	WT0045679.exe

pid	process
388	WT0045679.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

WT0045679.exe

description	pid	process	target process
PID 1108 wrote to memory of 1624	1108	WT0045679.exe	schtasks.exe
PID 1108 wrote to memory of 1624	1108	WT0045679.exe	schtasks.exe
PID 1108 wrote to memory of 1624	1108	WT0045679.exe	schtasks.exe
PID 1108 wrote to memory of 1624	1108	WT0045679.exe	schtasks.exe
PID 1108 wrote to memory of 388	1108	WT0045679.exe	WT0045679.exe
PID 1108 wrote to memory of 388	1108	WT0045679.exe	WT0045679.exe
PID 1108 wrote to memory of 388	1108	WT0045679.exe	WT0045679.exe
PID 1108 wrote to memory of 388	1108	WT0045679.exe	WT0045679.exe
PID 1108 wrote to memory of 388	1108	WT0045679.exe	WT0045679.exe
PID 1108 wrote to memory of 388	1108	WT0045679.exe	WT0045679.exe
PID 1108 wrote to memory of 388	1108	WT0045679.exe	WT0045679.exe
PID 1108 wrote to memory of 388	1108	WT0045679.exe	WT0045679.exe
PID 1108 wrote to memory of 388	1108	WT0045679.exe	WT0045679.exe

C:\Users\Admin\AppData\Local\Temp\WT0045679.exe
"C:\Users\Admin\AppData\Local\Temp\WT0045679.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kSFpxmJtyNcCS" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9607.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1624
- C:\Users\Admin\AppData\Local\Temp\WT0045679.exe
  "{path}"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:388

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9607.tmp

MD5
5380634b8403fbcc84ce8a6f56dd8f66

SHA1
a393c9f6208c5dc075113193ed53e1fdc120030b

SHA256
7e3a0c454103cdecad6cd99a81d34f21ded1ca7c2309e99053a057ad4899af08

SHA512
5a44bba143277a0c7b7c99a1125234a42889e7ee4620d8f4e8890ce0bec2a300831dd731ae8a76cc786656e44c515747eefd6cfebe2739d8afc8d5f7b3110531

Download Submit
memory/388-4-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/388-5-0x000000000044983E-mapping.dmp

Download
memory/388-6-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/388-7-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1108-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1624-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads