agenttesla | 24c1aaf05d9c072a31960965cf14f2fd6532e03a81afd0dd600e29e0f9f4952f

General

Target

INV001.exe
Size

433KB
MD5

8653227bbe999935f8e9b088ceb39edc
SHA1

e210a370fd4fcdb72c097c17edef4b5afd726542
SHA256

d09cbb481136d7766db12c79dc6c82fee1eb89056d4e7b8bc989a7a5d38467af
SHA512

bbbbf945176804261628162dd13aa46e010e7ed1c6c46318743c4bbd912ae36ac660e2734d6a03384ff268a4bf12dbf67d1089eefb3e379793685bde90f256b2

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
!9aT1sz8?9SqN

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
!9aT1sz8?9SqN

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/4616-139-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

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:

INV001.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation INV001.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

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	INV001.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

INV001.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV001.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV001.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV001.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

INV001.exe

description pid process target process

PID 396 set thread context of 4616 396 INV001.exe INV001.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

3412 schtasks.exe
Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

INV001.exeINV001.exe

pid process

396 INV001.exe
396 INV001.exe
396 INV001.exe
396 INV001.exe
396 INV001.exe
396 INV001.exe
396 INV001.exe
4616 INV001.exe
4616 INV001.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

INV001.exeINV001.exe

description pid process

Token: SeDebugPrivilege 396 INV001.exe
Token: SeDebugPrivilege 4616 INV001.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

INV001.exe

pid process

4616 INV001.exe

description	pid	process	target process
PID 396 set thread context of 4616	396	INV001.exe	INV001.exe

pid	process
3412	schtasks.exe

pid	process
396	INV001.exe
396	INV001.exe
396	INV001.exe
396	INV001.exe
396	INV001.exe
396	INV001.exe
396	INV001.exe
4616	INV001.exe
4616	INV001.exe

description	pid	process
Token: SeDebugPrivilege	396	INV001.exe
Token: SeDebugPrivilege	4616	INV001.exe

pid	process
4616	INV001.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

INV001.exeINV001.exe

description	pid	process	target process
PID 396 wrote to memory of 3412	396	INV001.exe	schtasks.exe
PID 396 wrote to memory of 3412	396	INV001.exe	schtasks.exe
PID 396 wrote to memory of 3412	396	INV001.exe	schtasks.exe
PID 396 wrote to memory of 4556	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4556	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4556	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4532	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4532	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4532	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4616	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4616	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4616	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4616	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4616	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4616	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4616	396	INV001.exe	INV001.exe
PID 396 wrote to memory of 4616	396	INV001.exe	INV001.exe
PID 4616 wrote to memory of 1964	4616	INV001.exe	netsh.exe
PID 4616 wrote to memory of 1964	4616	INV001.exe	netsh.exe
PID 4616 wrote to memory of 1964	4616	INV001.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

INV001.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV001.exe

outlook_win_path 1 IoCs

Processes:

INV001.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	INV001.exe

C:\Users\Admin\AppData\Local\Temp\INV001.exe
"C:\Users\Admin\AppData\Local\Temp\INV001.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:396

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GmJplnEAhO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF32.tmp"
2⤵
- Creates scheduled task(s)
PID:3412

C:\Users\Admin\AppData\Local\Temp\INV001.exe
"C:\Users\Admin\AppData\Local\Temp\INV001.exe"
2⤵
PID:4556

C:\Users\Admin\AppData\Local\Temp\INV001.exe
"C:\Users\Admin\AppData\Local\Temp\INV001.exe"
2⤵
PID:4532

C:\Users\Admin\AppData\Local\Temp\INV001.exe
"C:\Users\Admin\AppData\Local\Temp\INV001.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4616

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1964

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

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\INV001.exe.log
Filesize
507B

MD5
8cf94b5356be60247d331660005941ec

SHA1
fdedb361f40f22cb6a086c808fc0056d4e421131

SHA256
52a5b2d36f2b72cb02c695cf7ef46444dda73d4ea82a73e0894c805fa9987bc0

SHA512
b886dfc8bf03f8627f051fb6e2ac40ae2e7713584695a365728eb2e2c87217830029aa35bd129c642fa03dde3f7a7dd5690b16248676be60a6bb5f497fb23651

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpF32.tmp
Filesize
1KB

MD5
ccf2d235874e644ab125c1d981c453bd

SHA1
bb74232de29b4985ffc4993be4615acfdd946ac2

SHA256
6e5168344fe0f845fbd48df8bb71bbcb2ac235ee1d009396baf7f77d3744313a

SHA512
37f5ce9f9d86de9f3451392fecb37238f5c507e29cb1d6b2b07eb2386c9c571ad3be2a245a0506279308b04beb8e5a8617ec0f239d721a3109fa60547fe6fb50

Download Submit
memory/396-131-0x0000000005D40000-0x00000000062E4000-memory.dmp

Filesize
5.6MB

Download
memory/396-132-0x0000000005930000-0x00000000059C2000-memory.dmp

Filesize
584KB

Download
memory/396-133-0x0000000005A70000-0x0000000005B0C000-memory.dmp

Filesize
624KB

Download
memory/396-130-0x0000000000B70000-0x0000000000BE2000-memory.dmp

Filesize
456KB

Download
memory/1964-143-0x0000000000000000-mapping.dmp

Download
memory/3412-134-0x0000000000000000-mapping.dmp

Download
memory/4532-137-0x0000000000000000-mapping.dmp

Download
memory/4556-136-0x0000000000000000-mapping.dmp

Download
memory/4616-139-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4616-141-0x0000000005E70000-0x0000000005ED6000-memory.dmp

Filesize
408KB

Download
memory/4616-142-0x0000000006A70000-0x0000000006AC0000-memory.dmp

Filesize
320KB

Download
memory/4616-138-0x0000000000000000-mapping.dmp

Download
memory/4616-144-0x0000000006820000-0x000000000682A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads