agenttesla | 12882b54a8dda6cc782150be3a369aa64354a0c4dc4d4ba0bedf74660302126b

General

Target

payment_copy.exe
Size

863KB
MD5

3e720d22703dca6b558d1eb8bd522d84
SHA1

34377b298eaf020b635310e65b91ac729fa87972
SHA256

a98bc56a3689009619845fc3491c944ee12408cfe457e0a59fb2fae808c784f2
SHA512

71a80305b6e4dbb625f951749de2a77980bcee1356b8ea558756ff687cbf1db50f82cea86879ef796fca09afb09dc8c27d47f9fd0e3c4446f44a6fba6cee9255

Score

10^/10

agenttesla collection keylogger rezer0 spyware stealer trojan

Malware Config

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
behavioral1/memory/1564-60-0x0000000004F50000-0x0000000004F9C000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1564-57-0x0000000002000000-0x0000000002054000-memory.dmp	rezer0

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:

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

2044 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

payment_copy.exe

pid process

1564 payment_copy.exe
1564 payment_copy.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

payment_copy.exe

description pid process

Token: SeDebugPrivilege 1564 payment_copy.exe

pid	process
2044	schtasks.exe

pid	process
1564	payment_copy.exe
1564	payment_copy.exe

description	pid	process
Token: SeDebugPrivilege	1564	payment_copy.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

payment_copy.exe

description	pid	process	target process
PID 1564 wrote to memory of 2044	1564	payment_copy.exe	schtasks.exe
PID 1564 wrote to memory of 2044	1564	payment_copy.exe	schtasks.exe
PID 1564 wrote to memory of 2044	1564	payment_copy.exe	schtasks.exe
PID 1564 wrote to memory of 2044	1564	payment_copy.exe	schtasks.exe

outlook_office_path 1 IoCs

Processes:

payment_copy.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	payment_copy.exe

outlook_win_path 1 IoCs

Processes:

payment_copy.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	payment_copy.exe

C:\Users\Admin\AppData\Local\Temp\payment_copy.exe
"C:\Users\Admin\AppData\Local\Temp\payment_copy.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1564

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QYItpQsusSrzR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp85A5.tmp"
2⤵
- Creates scheduled task(s)
PID:2044

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\tmp85A5.tmp
Filesize
1KB

MD5
5780b3b41c160d5b004726598eef0a62

SHA1
2b511f397e54ee76baf35930c8d6f39327e616b8

SHA256
953147fe5b6ab60ce5cf1cfed28eb8371aae39b29c07518b7bd53b20e70675f2

SHA512
d07300f002aae79efc249911bf497f1a5303edb03c8fd0fac64917b9e26ec970dee0f292d6f138563266b2c418cbaab933a963a458dcdbc5f0ca8d7044fb63e1

Download Submit
memory/1564-54-0x0000000000130000-0x000000000020E000-memory.dmp

Filesize
888KB

Download
memory/1564-55-0x0000000075CD1000-0x0000000075CD3000-memory.dmp

Filesize
8KB

Download
memory/1564-56-0x0000000000610000-0x0000000000618000-memory.dmp

Filesize
32KB

Download
memory/1564-57-0x0000000002000000-0x0000000002054000-memory.dmp

Filesize
336KB

Download
memory/1564-60-0x0000000004F50000-0x0000000004F9C000-memory.dmp

Filesize
304KB

Download
memory/2044-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads