agenttesla | f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7

General

Target

f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe
Size

1.9MB
MD5

939589e1e29b0d235aeb884a1de92a3e
SHA1

e627f10d92648a0111660a2e9198da40191c1172
SHA256

f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7
SHA512

aec5371f8a09ec3316d5ac90bd0c0147c8e76db80943358ca1742b0c526d22f2f00326b20527e02c7a05f369a95c5824705a5f12afe5b8e5537ed4fde45442c0
SSDEEP

49152:TgGeCua+WV3RGOu55S13x900KB6jLoyEkmZ9Y14:Ea+aRa5Oh9XsBA

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ozeexpert.pl
Port:
587
Username:
[email protected]
Password:
OZE72uM6g
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
34	api.ipify.org
35	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1276 set thread context of 2132	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	99

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe
1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe
1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe
1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe
Token: SeDebugPrivilege	2132	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 2364	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	98
PID 1276 wrote to memory of 2364	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	98
PID 1276 wrote to memory of 2364	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	98
PID 1276 wrote to memory of 2132	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	99
PID 1276 wrote to memory of 2132	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	99
PID 1276 wrote to memory of 2132	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	99
PID 1276 wrote to memory of 2132	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	99
PID 1276 wrote to memory of 2132	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	99
PID 1276 wrote to memory of 2132	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	99
PID 1276 wrote to memory of 2132	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	99
PID 1276 wrote to memory of 2132	1276	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe	99

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe

C:\Users\Admin\AppData\Local\Temp\f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe
"C:\Users\Admin\AppData\Local\Temp\f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Local\Temp\f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe
  "C:\Users\Admin\AppData\Local\Temp\f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe"
  2⤵
  PID:2364
- C:\Users\Admin\AppData\Local\Temp\f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe
  "C:\Users\Admin\AppData\Local\Temp\f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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\f7aed428b3f3c86ca521568f3e68e89461fb3cc986f27c6ac29d38c9f38c26c7.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1276-10-0x0000000006E90000-0x0000000006F3A000-memory.dmp

Filesize
680KB

Download
memory/1276-3-0x0000000005570000-0x0000000005602000-memory.dmp

Filesize
584KB

Download
memory/1276-12-0x0000000006C70000-0x0000000006C76000-memory.dmp

Filesize
24KB

Download
memory/1276-4-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1276-5-0x0000000005500000-0x000000000550A000-memory.dmp

Filesize
40KB

Download
memory/1276-6-0x0000000006F80000-0x0000000006F9A000-memory.dmp

Filesize
104KB

Download
memory/1276-7-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/1276-8-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/1276-13-0x0000000006FA0000-0x0000000006FD2000-memory.dmp

Filesize
200KB

Download
memory/1276-0-0x0000000074F0E000-0x0000000074F0F000-memory.dmp

Filesize
4KB

Download
memory/1276-11-0x0000000007040000-0x00000000070DC000-memory.dmp

Filesize
624KB

Download
memory/1276-2-0x0000000005A80000-0x0000000006024000-memory.dmp

Filesize
5.6MB

Download
memory/1276-9-0x0000000006BF0000-0x0000000006BFC000-memory.dmp

Filesize
48KB

Download
memory/1276-1-0x0000000000920000-0x0000000000B0C000-memory.dmp

Filesize
1.9MB

Download
memory/1276-17-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2132-18-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2132-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2132-19-0x00000000055E0000-0x0000000005646000-memory.dmp

Filesize
408KB

Download
memory/2132-20-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download
memory/2132-21-0x00000000072C0000-0x0000000007310000-memory.dmp

Filesize
320KB

Download
memory/2132-22-0x00000000074E0000-0x00000000076A2000-memory.dmp

Filesize
1.8MB

Download
memory/2132-23-0x0000000074F00000-0x00000000756B0000-memory.dmp

Filesize
7.7MB

Download

Analysis

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