agenttesla | b9bee53090cb165a0a438fa365abaa6d879496ac8196c8ea751d1ca51e0f024b

General

Target

36346564.exe

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.psf-lb.com
Port:
587
Username:
tg@psf-lb.com
Password:
DM!BRXS5

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/324-8-0x00000000004375FE-mapping.dmp	family_agenttesla
behavioral1/memory/324-7-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/324-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/324-10-0x0000000000400000-0x000000000043C000-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
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

36346564.exe

description pid process target process

PID 596 set thread context of 324 596 36346564.exe 36346564.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

36346564.exe

pid process

324 36346564.exe
324 36346564.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

36346564.exe

pid process

324 36346564.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

36346564.exe

description pid process

Token: SeDebugPrivilege 324 36346564.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 596 set thread context of 324	596	36346564.exe	36346564.exe

pid	process
324	36346564.exe
324	36346564.exe

pid	process
324	36346564.exe

description	pid	process
Token: SeDebugPrivilege	324	36346564.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

36346564.exe

description	pid	process	target process
PID 596 wrote to memory of 324	596	36346564.exe	36346564.exe
PID 596 wrote to memory of 324	596	36346564.exe	36346564.exe
PID 596 wrote to memory of 324	596	36346564.exe	36346564.exe
PID 596 wrote to memory of 324	596	36346564.exe	36346564.exe
PID 596 wrote to memory of 324	596	36346564.exe	36346564.exe
PID 596 wrote to memory of 324	596	36346564.exe	36346564.exe
PID 596 wrote to memory of 324	596	36346564.exe	36346564.exe
PID 596 wrote to memory of 324	596	36346564.exe	36346564.exe
PID 596 wrote to memory of 324	596	36346564.exe	36346564.exe

C:\Users\Admin\AppData\Local\Temp\36346564.exe
"C:\Users\Admin\AppData\Local\Temp\36346564.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:596

C:\Users\Admin\AppData\Local\Temp\36346564.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:324

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/324-8-0x00000000004375FE-mapping.dmp

Download
memory/324-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/324-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/324-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/324-11-0x0000000073D40000-0x000000007442E000-memory.dmp

Filesize
6.9MB

Download
memory/596-2-0x0000000073D40000-0x000000007442E000-memory.dmp

Filesize
6.9MB

Download
memory/596-3-0x0000000000F00000-0x0000000000F01000-memory.dmp

Filesize
4KB

Download
memory/596-5-0x00000000003E0000-0x00000000003EE000-memory.dmp

Filesize
56KB

Download
memory/596-6-0x00000000059D0000-0x0000000005A77000-memory.dmp

Filesize
668KB

Download

Analysis

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