agenttesla | db2be6bffc7bbd081e0160ee012e2933178ba7fbbbbe293e9e09678c7c78f858

General

Target

Nieualing.exe
Size

666KB
MD5

ef2f5c3f618a75e8c9b1d17145c6e496
SHA1

d9feed66832c692b91cbc019cbcd3aa163c28760
SHA256

db2be6bffc7bbd081e0160ee012e2933178ba7fbbbbe293e9e09678c7c78f858
SHA512

0d70eb9ad9e112db11652e3f1024b7f6dbed4d2dc36e24976d64c7171091b1f16bf60b2b4f26b8914f18f076da6234ab7639eb343079c603c7ca008d399a0aae

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
goodwork11

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/780-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/780-5-0x0000000000446F5E-mapping.dmp	family_agenttesla
behavioral1/memory/780-7-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/780-8-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

pid	Process
780	InstallUtil.exe

Loads dropped DLL 1 IoCs

pid	Process
1008	Nieualing.exe

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

description	pid	Process	procid_target
PID 1008 set thread context of 780	1008	Nieualing.exe	24

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1008	Nieualing.exe
1008	Nieualing.exe
1008	Nieualing.exe
780	InstallUtil.exe
780	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1008	Nieualing.exe
Token: SeDebugPrivilege	780	InstallUtil.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24
PID 1008 wrote to memory of 780	1008	Nieualing.exe	24

C:\Users\Admin\AppData\Local\Temp\Nieualing.exe
"C:\Users\Admin\AppData\Local\Temp\Nieualing.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1008
- C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
  "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:780

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/780-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/780-7-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/780-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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