agenttesla | 5040f5ae9b77987ef555a4d2ad57444ec6b81717bec04ed1b6f5fd740bfc34a9

General

Target

2001016641..exe
Size

470KB
MD5

084de63048b0bf916e1f67db05c27937
SHA1

b36fccbc2bb51f77e609d2b06248c8c121db7245
SHA256

d2cc2b6ba20f79d6fcb9c05d24b99d492ae1f4c6d12fe836e5aa05f32bb68beb
SHA512

2f851d6e3cfeb1297886927d9cf964a388df9e3969fabd62f9f6849db7cf8467f139c791679f2aa9ee37a5a68ca9cd2f8a7aba6f70f100d7aff0ecb23d8800bd

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.rezuit.pro
Port:
587
Username:
[email protected]
Password:
grace1234

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/1816-61-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1816-64-0x000000000045482E-mapping.dmp	family_agenttesla
behavioral1/memory/1816-62-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1816-63-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1816-66-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1816-68-0x0000000000400000-0x000000000045A000-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:

2001016641..exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2001016641..exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2001016641..exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2001016641..exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

2001016641..exe

description pid process target process

PID 964 set thread context of 1816 964 2001016641..exe 2001016641..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

1328 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

2001016641..exe2001016641..exe

pid process

964 2001016641..exe
964 2001016641..exe
964 2001016641..exe
964 2001016641..exe
964 2001016641..exe
1816 2001016641..exe
1816 2001016641..exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2001016641..exe2001016641..exe

description pid process

Token: SeDebugPrivilege 964 2001016641..exe
Token: SeDebugPrivilege 1816 2001016641..exe

description	pid	process	target process
PID 964 set thread context of 1816	964	2001016641..exe	2001016641..exe

pid	process
1328	schtasks.exe

pid	process
964	2001016641..exe
964	2001016641..exe
964	2001016641..exe
964	2001016641..exe
964	2001016641..exe
1816	2001016641..exe
1816	2001016641..exe

description	pid	process
Token: SeDebugPrivilege	964	2001016641..exe
Token: SeDebugPrivilege	1816	2001016641..exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

2001016641..exe

description	pid	process	target process
PID 964 wrote to memory of 1328	964	2001016641..exe	schtasks.exe
PID 964 wrote to memory of 1328	964	2001016641..exe	schtasks.exe
PID 964 wrote to memory of 1328	964	2001016641..exe	schtasks.exe
PID 964 wrote to memory of 1328	964	2001016641..exe	schtasks.exe
PID 964 wrote to memory of 1112	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1112	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1112	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1112	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1976	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1976	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1976	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1976	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1972	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1972	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1972	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1972	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1816	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1816	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1816	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1816	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1816	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1816	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1816	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1816	964	2001016641..exe	2001016641..exe
PID 964 wrote to memory of 1816	964	2001016641..exe	2001016641..exe

outlook_office_path 1 IoCs

Processes:

2001016641..exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2001016641..exe

outlook_win_path 1 IoCs

Processes:

2001016641..exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	2001016641..exe

C:\Users\Admin\AppData\Local\Temp\2001016641..exe
"C:\Users\Admin\AppData\Local\Temp\2001016641..exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AQTZrvQoByJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp41E1.tmp"
2⤵
- Creates scheduled task(s)
PID:1328

C:\Users\Admin\AppData\Local\Temp\2001016641..exe
"{path}"
2⤵
PID:1112

C:\Users\Admin\AppData\Local\Temp\2001016641..exe
"{path}"
2⤵
PID:1976

C:\Users\Admin\AppData\Local\Temp\2001016641..exe
"{path}"
2⤵
PID:1972

C:\Users\Admin\AppData\Local\Temp\2001016641..exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1816

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp41E1.tmp
Filesize
1KB

MD5
0d7bd00b7e9115a2f5230a47c55e7b53

SHA1
9d8d2a669e55aaee424f0d6904b836ea6827a5ff

SHA256
fc0ace31e75f78238aef20fde462d5a5d7e5a0228c89a49e7aba9fccd13b3c9b

SHA512
fbfcaff31bbb8722754632e6805af0bd02b3c79ab8ed733bfe6c31961e0d84029d4b6c00608e20de5d5c74690c121ec391d569873efd938a8752d0da7a863302

Download Submit
memory/964-54-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

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memory/964-55-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/1328-56-0x0000000000000000-mapping.dmp

Download
memory/1816-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

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memory/1816-59-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1816-58-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1816-64-0x000000000045482E-mapping.dmp

Download
memory/1816-62-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1816-63-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1816-66-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1816-68-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1816-70-0x0000000073EB0000-0x000000007445B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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