agenttesla | fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199

General

Target

fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
Size

840KB
MD5

57b1ad0359c449cd533a34db4fc81a9d
SHA1

a28948d8b7456cc3e3ac2aaf244bbc35cee76b85
SHA256

fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199
SHA512

40c1a56b489b94313093abda622cdb1e1d295ba867666a667a1160f4a2a47616000189cc31caa833e9d01a32aef0f57b3d7cb6bfc05e27b74ac7f6c0455a930b
SSDEEP

24576:Qw4bjw4bDmrejmh1ezUjX/sCDQzPcbgV7:Qw4bjw4bDljtUjPsCDQgbw

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.hsbv1.nl
Port:
587
Username:
[email protected]
Password:
xdDPyH(8
Email To:
[email protected]

Signatures

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

Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2564-12-0x0000000000400000-0x0000000000442000-memory.dmp	INDICATOR_EXE_Packed_GEN01

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 2 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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
Key opened	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
Key opened	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.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.

Processes:

flow ioc

29 api.ipify.org
30 api.ipify.org

flow	ioc
29	api.ipify.org
30	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

description	pid	process	target process
PID 1540 set thread context of 2564	1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exefcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

pid	process
1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
2564	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
2564	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exefcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

description	pid	process
Token: SeDebugPrivilege	1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
Token: SeDebugPrivilege	2564	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

description	pid	process	target process
PID 1540 wrote to memory of 2564	1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
PID 1540 wrote to memory of 2564	1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
PID 1540 wrote to memory of 2564	1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
PID 1540 wrote to memory of 2564	1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
PID 1540 wrote to memory of 2564	1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
PID 1540 wrote to memory of 2564	1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
PID 1540 wrote to memory of 2564	1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
PID 1540 wrote to memory of 2564	1540	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

outlook_office_path 1 IoCs

Processes:

fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

outlook_win_path 1 IoCs

Processes:

fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

C:\Users\Admin\AppData\Local\Temp\fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
"C:\Users\Admin\AppData\Local\Temp\fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540

C:\Users\Admin\AppData\Local\Temp\fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe
"C:\Users\Admin\AppData\Local\Temp\fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2564

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/1540-5-0x0000000005520000-0x000000000552A000-memory.dmp

Filesize
40KB

Download
memory/1540-1-0x00000000009B0000-0x0000000000A86000-memory.dmp

Filesize
856KB

Download
memory/1540-9-0x0000000006660000-0x00000000066E4000-memory.dmp

Filesize
528KB

Download
memory/1540-4-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/1540-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

Filesize
4KB

Download
memory/1540-6-0x0000000005720000-0x00000000057BC000-memory.dmp

Filesize
624KB

Download
memory/1540-7-0x00000000057C0000-0x00000000057DA000-memory.dmp

Filesize
104KB

Download
memory/1540-8-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/1540-3-0x0000000005480000-0x0000000005512000-memory.dmp

Filesize
584KB

Download
memory/1540-2-0x0000000005B20000-0x00000000060C4000-memory.dmp

Filesize
5.6MB

Download
memory/1540-10-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

Filesize
4KB

Download
memory/1540-11-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/1540-15-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/2564-20-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/2564-16-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/2564-17-0x0000000005980000-0x00000000059E6000-memory.dmp

Filesize
408KB

Download
memory/2564-18-0x0000000074A90000-0x0000000075240000-memory.dmp

Filesize
7.7MB

Download
memory/2564-19-0x0000000007010000-0x0000000007060000-memory.dmp

Filesize
320KB

Download
memory/2564-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads