agenttesla | ba01df6adfb3ba0036b6842e14d12fa453e9bc0ab816db81ed01922ae060b1bc

General

Target

1332000.exe
Size

490KB
MD5

997fbde85639834481305ad52fe98405
SHA1

418a61aa0b2e94a3fea886de1c5b195bc671c59c
SHA256

a044953a724f642c119477d17d23e389c44068773739e51d1b996cd6b2f51f4f
SHA512

5385d3830be67d0b87c4eef78b96d0ffa0dc8dc7bb5631b2b5059671f09631e03e9b8ba60f012b04e93411f68c960ac637c51fcf55ed810c27e9097d0828f0d6

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.tolipgoldenplaza.com
Port:
587
Username:
[email protected]
Password:
Golden@#$2019

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.tolipgoldenplaza.com
Port:
587
Username:
[email protected]
Password:
Golden@#$2019

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3852-138-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

1332000.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts 1332000.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	1332000.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

1332000.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	1332000.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

1332000.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1332000.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1332000.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1332000.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1332000.exe

description pid process target process

PID 1336 set thread context of 3852 1336 1332000.exe 1332000.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

5068 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

3416 REG.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

1332000.exe1332000.exe

pid process

1336 1332000.exe
1336 1332000.exe
1336 1332000.exe
1336 1332000.exe
3852 1332000.exe
3852 1332000.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

1332000.exe1332000.exe

description pid process

Token: SeDebugPrivilege 1336 1332000.exe
Token: SeDebugPrivilege 3852 1332000.exe

description	pid	process	target process
PID 1336 set thread context of 3852	1336	1332000.exe	1332000.exe

pid	process
5068	schtasks.exe

pid	process
3416	REG.exe

pid	process
1336	1332000.exe
1336	1332000.exe
1336	1332000.exe
1336	1332000.exe
3852	1332000.exe
3852	1332000.exe

description	pid	process
Token: SeDebugPrivilege	1336	1332000.exe
Token: SeDebugPrivilege	3852	1332000.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

1332000.exe1332000.exe

description	pid	process	target process
PID 1336 wrote to memory of 5068	1336	1332000.exe	schtasks.exe
PID 1336 wrote to memory of 5068	1336	1332000.exe	schtasks.exe
PID 1336 wrote to memory of 5068	1336	1332000.exe	schtasks.exe
PID 1336 wrote to memory of 3852	1336	1332000.exe	1332000.exe
PID 1336 wrote to memory of 3852	1336	1332000.exe	1332000.exe
PID 1336 wrote to memory of 3852	1336	1332000.exe	1332000.exe
PID 1336 wrote to memory of 3852	1336	1332000.exe	1332000.exe
PID 1336 wrote to memory of 3852	1336	1332000.exe	1332000.exe
PID 1336 wrote to memory of 3852	1336	1332000.exe	1332000.exe
PID 1336 wrote to memory of 3852	1336	1332000.exe	1332000.exe
PID 1336 wrote to memory of 3852	1336	1332000.exe	1332000.exe
PID 3852 wrote to memory of 3416	3852	1332000.exe	REG.exe
PID 3852 wrote to memory of 3416	3852	1332000.exe	REG.exe
PID 3852 wrote to memory of 3416	3852	1332000.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

1332000.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1332000.exe

outlook_win_path 1 IoCs

Processes:

1332000.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	1332000.exe

C:\Users\Admin\AppData\Local\Temp\1332000.exe
"C:\Users\Admin\AppData\Local\Temp\1332000.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1336

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oAdQfQEfcUI" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6726.tmp"
2⤵
- Creates scheduled task(s)
PID:5068

C:\Users\Admin\AppData\Local\Temp\1332000.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3852

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:3416

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

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\1332000.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6726.tmp
Filesize
1KB

MD5
6aff0cb2fda43592cd36272110650205

SHA1
1ff1f090ca9c7a4188c16d4a03b79d4069d19eb0

SHA256
c98a41ed5b7d25d68fd208b0b0caf57e959c7d9570eba5ffcb84c529ff81fed2

SHA512
17e9f670ed070b25b124f524142d6a2a5cd4a08eead57af009331628ff1a164cc51ceaa7ff9fe058cda450fdd94d8267e79084b395a180b23a3420ae2de254a2

Download Submit
memory/1336-132-0x0000000004F60000-0x0000000004FF2000-memory.dmp

Filesize
584KB

Download
memory/1336-133-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

Filesize
40KB

Download
memory/1336-134-0x0000000007C30000-0x0000000007CCC000-memory.dmp

Filesize
624KB

Download
memory/1336-130-0x00000000004C0000-0x0000000000540000-memory.dmp

Filesize
512KB

Download
memory/1336-131-0x0000000005470000-0x0000000005A14000-memory.dmp

Filesize
5.6MB

Download
memory/3416-142-0x0000000000000000-mapping.dmp

Download
memory/3852-137-0x0000000000000000-mapping.dmp

Download
memory/3852-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3852-140-0x0000000005CE0000-0x0000000005D46000-memory.dmp

Filesize
408KB

Download
memory/3852-141-0x0000000006AD0000-0x0000000006B20000-memory.dmp

Filesize
320KB

Download
memory/5068-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads