agenttesla | b893403d4de4bd767e6196f0b7a4fd6dfd0f18f854a3d3dfac40b9a6488cff17

General

Target

1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
Size

8KB
MD5

1d3cc5bc3a27de86fd97fe5b4b8b0b8e
SHA1

eaab6b4eb9c42e2572c292964f9f01a2017ac83d
SHA256

b893403d4de4bd767e6196f0b7a4fd6dfd0f18f854a3d3dfac40b9a6488cff17
SHA512

24938f3d2dec0fa20034ae390a62f224a763e6de5454b8ca79c7d60e8b48d9c58b9e04dc06ad988c4429d7b3bb14081836c0b2ae5900dff07d6e45caa86cc4b3

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
frostdell.uk
Port:
587
Username:
[email protected]
Password:
7213575aceACE@#$

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/1556-7-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1556-8-0x000000000043764E-mapping.dmp	family_agenttesla
behavioral1/memory/1556-10-0x0000000000400000-0x000000000043C000-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:

1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe

description pid process target process

PID 1752 set thread context of 1556 1752 1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe 1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe

pid process

1556 1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
1556 1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe

description pid process

Token: SeDebugPrivilege 1752 1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
Token: SeDebugPrivilege 1556 1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe

pid process

1556 1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe

description	pid	process	target process
PID 1752 set thread context of 1556	1752	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe

pid	process
1556	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
1556	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe

description	pid	process
Token: SeDebugPrivilege	1752	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
Token: SeDebugPrivilege	1556	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe

pid	process
1556	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe

description	pid	process	target process
PID 1752 wrote to memory of 1556	1752	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
PID 1752 wrote to memory of 1556	1752	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
PID 1752 wrote to memory of 1556	1752	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
PID 1752 wrote to memory of 1556	1752	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
PID 1752 wrote to memory of 1556	1752	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
PID 1752 wrote to memory of 1556	1752	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
PID 1752 wrote to memory of 1556	1752	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
PID 1752 wrote to memory of 1556	1752	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
PID 1752 wrote to memory of 1556	1752	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe	1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe

C:\Users\Admin\AppData\Local\Temp\1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
"C:\Users\Admin\AppData\Local\Temp\1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Local\Temp\1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe
"C:\Users\Admin\AppData\Local\Temp\1d3cc5bc3a27de86fd97fe5b4b8b0b8e.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1556

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1556-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1556-8-0x000000000043764E-mapping.dmp

Download
memory/1556-9-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/1556-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1556-12-0x00000000020E0000-0x00000000020E1000-memory.dmp

Filesize
4KB

Download
memory/1556-13-0x00000000020E1000-0x00000000020E2000-memory.dmp

Filesize
4KB

Download
memory/1752-2-0x00000000741E0000-0x00000000748CE000-memory.dmp

Filesize
6.9MB

Download
memory/1752-3-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/1752-5-0x0000000004D30000-0x0000000004D31000-memory.dmp

Filesize
4KB

Download
memory/1752-6-0x0000000001FA0000-0x0000000001FDF000-memory.dmp

Filesize
252KB

Download

Analysis

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