agenttesla | cd6c0b0f67bee9e57089b02c1b8a83ea0d454d5eb3790b9aab0f002d63b0133f

General

Target

SKM20064.exe
Size

620KB
MD5

bdb5b41a394905200a90edf2632d469c
SHA1

9a5b37360aace8702a01877ded6a5bb7e0553996
SHA256

d7d6711fecf46a82d89b1d0ccba6e4a3cf2e5016a24671abeda65f620b8006f0
SHA512

ca3f710ad971e95210827790b4509613a3a83b4c987e3e45dc16ac8ae83d6bd1e3309ca4d9261cf9390031d72686dbb84e5effb9d34f8315b519b286908ed517

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dogulumetal.com
Port:
587
Username:
[email protected]
Password:
DMaslak2950**

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1752-64-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/1752-65-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/1752-66-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/1752-67-0x000000000045345E-mapping.dmp	family_agenttesla
behavioral1/memory/1752-69-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla
behavioral1/memory/1752-71-0x0000000000400000-0x0000000000458000-memory.dmp	family_agenttesla

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:

SKM20064.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM20064.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM20064.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM20064.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SKM20064.exe

description pid process target process

PID 960 set thread context of 1752 960 SKM20064.exe SKM20064.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

1732 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

SKM20064.exe

pid process

1752 SKM20064.exe
1752 SKM20064.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

SKM20064.exe

description pid process

Token: SeDebugPrivilege 1752 SKM20064.exe

description	pid	process	target process
PID 960 set thread context of 1752	960	SKM20064.exe	SKM20064.exe

pid	process
1732	schtasks.exe

pid	process
1752	SKM20064.exe
1752	SKM20064.exe

description	pid	process
Token: SeDebugPrivilege	1752	SKM20064.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

SKM20064.exe

description	pid	process	target process
PID 960 wrote to memory of 1732	960	SKM20064.exe	schtasks.exe
PID 960 wrote to memory of 1732	960	SKM20064.exe	schtasks.exe
PID 960 wrote to memory of 1732	960	SKM20064.exe	schtasks.exe
PID 960 wrote to memory of 1732	960	SKM20064.exe	schtasks.exe
PID 960 wrote to memory of 1752	960	SKM20064.exe	SKM20064.exe
PID 960 wrote to memory of 1752	960	SKM20064.exe	SKM20064.exe
PID 960 wrote to memory of 1752	960	SKM20064.exe	SKM20064.exe
PID 960 wrote to memory of 1752	960	SKM20064.exe	SKM20064.exe
PID 960 wrote to memory of 1752	960	SKM20064.exe	SKM20064.exe
PID 960 wrote to memory of 1752	960	SKM20064.exe	SKM20064.exe
PID 960 wrote to memory of 1752	960	SKM20064.exe	SKM20064.exe
PID 960 wrote to memory of 1752	960	SKM20064.exe	SKM20064.exe
PID 960 wrote to memory of 1752	960	SKM20064.exe	SKM20064.exe

outlook_office_path 1 IoCs

Processes:

SKM20064.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM20064.exe

outlook_win_path 1 IoCs

Processes:

SKM20064.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	SKM20064.exe

C:\Users\Admin\AppData\Local\Temp\SKM20064.exe
"C:\Users\Admin\AppData\Local\Temp\SKM20064.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:960

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XNpmrzTl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5EB4.tmp"
2⤵
- Creates scheduled task(s)
PID:1732

C:\Users\Admin\AppData\Local\Temp\SKM20064.exe
"C:\Users\Admin\AppData\Local\Temp\SKM20064.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1752

MITRE ATT&CK Matrix ATT&CK 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

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp5EB4.tmp
Filesize
1KB

MD5
f69dc3a532a8c12c6db593feef56a59d

SHA1
eb3ae65ba7ab6e727e69304550ad3c9b52149102

SHA256
7ab99debd195e01b8ffa510816606802d9f78cc3689bbf592af56a5c7d4b7163

SHA512
4fb327639cef21cb7a22f6b0d52d4e21de9d44815382cedccfa880ecbe69ce0a27ccaa7568f8e6d63cad4d05c342626e3a999c004fcac0302726c1350a3d4fb8

Download Submit
memory/960-57-0x0000000005290000-0x000000000531A000-memory.dmp

Filesize
552KB

Download
memory/960-56-0x00000000007A0000-0x00000000007A8000-memory.dmp

Filesize
32KB

Download
memory/960-54-0x0000000001140000-0x00000000011E2000-memory.dmp

Filesize
648KB

Download
memory/960-58-0x00000000010C0000-0x0000000001128000-memory.dmp

Filesize
416KB

Download
memory/960-55-0x0000000076571000-0x0000000076573000-memory.dmp

Filesize
8KB

Download
memory/1732-59-0x0000000000000000-mapping.dmp

Download
memory/1752-62-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1752-61-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1752-64-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1752-65-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1752-66-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1752-67-0x000000000045345E-mapping.dmp

Download
memory/1752-69-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/1752-71-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads