agenttesla | 3d1f644e0be5bf18f97f1d8094c92fec74c1e55230eb11928d9a555ef28b77b6

General

Target

Ref ____ No. 12082020 ___ Scan.exe
Size

688KB
MD5

bb22c8af05bf472b9a2574e8b82d5074
SHA1

0f8ab7991bc71001352f13f5ad2b8d9bdbf1df7c
SHA256

9f45c86fbb9fb265250eb08929d8c8cff306fe1715bcbb2e6fe5008f38903f5e
SHA512

841990552274176f36b54b39afce11ea6ed9a4bdec900f47d673d517860f9ec1442d294361e72963a9aeeb64e45d60e9ecd958132b3709f026362f49999fa7f0

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
Swagger22

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
Swagger22

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/4400-134-0x0000000000400000-0x000000000045A000-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:

Ref ____ No. 12082020 ___ Scan.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	Ref ____ No. 12082020 ___ Scan.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Ref ____ No. 12082020 ___ Scan.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ref ____ No. 12082020 ___ Scan.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ref ____ No. 12082020 ___ Scan.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ref ____ No. 12082020 ___ Scan.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Ref ____ No. 12082020 ___ Scan.exe

description pid process target process

PID 2868 set thread context of 4400 2868 Ref ____ No. 12082020 ___ Scan.exe Ref ____ No. 12082020 ___ Scan.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

3176 schtasks.exe

description	pid	process	target process
PID 2868 set thread context of 4400	2868	Ref ____ No. 12082020 ___ Scan.exe	Ref ____ No. 12082020 ___ Scan.exe

pid	process
3176	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Ref ____ No. 12082020 ___ Scan.exeRef ____ No. 12082020 ___ Scan.exe

pid	process
2868	Ref ____ No. 12082020 ___ Scan.exe
2868	Ref ____ No. 12082020 ___ Scan.exe
2868	Ref ____ No. 12082020 ___ Scan.exe
2868	Ref ____ No. 12082020 ___ Scan.exe
4400	Ref ____ No. 12082020 ___ Scan.exe
4400	Ref ____ No. 12082020 ___ Scan.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Ref ____ No. 12082020 ___ Scan.exeRef ____ No. 12082020 ___ Scan.exe

description pid process

Token: SeDebugPrivilege 2868 Ref ____ No. 12082020 ___ Scan.exe
Token: SeDebugPrivilege 4400 Ref ____ No. 12082020 ___ Scan.exe

description	pid	process
Token: SeDebugPrivilege	2868	Ref ____ No. 12082020 ___ Scan.exe
Token: SeDebugPrivilege	4400	Ref ____ No. 12082020 ___ Scan.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Ref ____ No. 12082020 ___ Scan.exe

description	pid	process	target process
PID 2868 wrote to memory of 3176	2868	Ref ____ No. 12082020 ___ Scan.exe	schtasks.exe
PID 2868 wrote to memory of 3176	2868	Ref ____ No. 12082020 ___ Scan.exe	schtasks.exe
PID 2868 wrote to memory of 3176	2868	Ref ____ No. 12082020 ___ Scan.exe	schtasks.exe
PID 2868 wrote to memory of 4400	2868	Ref ____ No. 12082020 ___ Scan.exe	Ref ____ No. 12082020 ___ Scan.exe
PID 2868 wrote to memory of 4400	2868	Ref ____ No. 12082020 ___ Scan.exe	Ref ____ No. 12082020 ___ Scan.exe
PID 2868 wrote to memory of 4400	2868	Ref ____ No. 12082020 ___ Scan.exe	Ref ____ No. 12082020 ___ Scan.exe
PID 2868 wrote to memory of 4400	2868	Ref ____ No. 12082020 ___ Scan.exe	Ref ____ No. 12082020 ___ Scan.exe
PID 2868 wrote to memory of 4400	2868	Ref ____ No. 12082020 ___ Scan.exe	Ref ____ No. 12082020 ___ Scan.exe
PID 2868 wrote to memory of 4400	2868	Ref ____ No. 12082020 ___ Scan.exe	Ref ____ No. 12082020 ___ Scan.exe
PID 2868 wrote to memory of 4400	2868	Ref ____ No. 12082020 ___ Scan.exe	Ref ____ No. 12082020 ___ Scan.exe
PID 2868 wrote to memory of 4400	2868	Ref ____ No. 12082020 ___ Scan.exe	Ref ____ No. 12082020 ___ Scan.exe

outlook_office_path 1 IoCs

Processes:

Ref ____ No. 12082020 ___ Scan.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ref ____ No. 12082020 ___ Scan.exe

outlook_win_path 1 IoCs

Processes:

Ref ____ No. 12082020 ___ Scan.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Ref ____ No. 12082020 ___ Scan.exe

C:\Users\Admin\AppData\Local\Temp\Ref ____ No. 12082020 ___ Scan.exe
"C:\Users\Admin\AppData\Local\Temp\Ref ____ No. 12082020 ___ Scan.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2868

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LuHrdzCO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDF63.tmp"
2⤵
- Creates scheduled task(s)
PID:3176

C:\Users\Admin\AppData\Local\Temp\Ref ____ No. 12082020 ___ Scan.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4400

Network

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

Query Registry

1

T1012

System Information Discovery

2

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\tmpDF63.tmp
Filesize
1KB

MD5
2cc28a8345adf3b95c1c861f3fee57e8

SHA1
9eb4eeda18b9873026841844494a7c1f6cd547a4

SHA256
27d6d438085cccefb789590da7d4fef3aeff15b17545c2e693df93e6b95dc46d

SHA512
7f1bd60aad01cfeb3ff7d8ca9ee753c8cbc18850be843bf8b45a733a3e4409b7ce93cdda0dcd9b6323b77c0bd08921283c903543d74962a458685114ff971679

Download Submit
memory/2868-130-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download
memory/3176-131-0x0000000000000000-mapping.dmp

Download
memory/4400-133-0x0000000000000000-mapping.dmp

Download
memory/4400-134-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4400-135-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads