agenttesla | ed499345da89a2b6c7de62bd2957312cacb80be8f98e7d30f8cb4494ada536f8

General

Target

ORDER.exe
Size

372KB
MD5

f4fd80aff8c66bf9a629565be047d235
SHA1

3796cc2a971b5d250533f6eecda37e441830b142
SHA256

e9eb4d205fad12909fcee34a44bceec578b13b8dd5c887b116d2f3c9c4818f66
SHA512

28f942a2e92ca042e746b3a85dcf5bfc671b3629657b0197c2a5aee1288b94878fdccca5560f9c0600b5047aa0a294c93525eaef95c339aa505ab2b2d3449757

Score

10^/10

agenttesla collection keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
kok-fung.chin@crowncorke.com
Password:
!9aT1sz8?9SqN

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/1112-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1112-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1112-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1112-66-0x000000000044C7BE-mapping.dmp	family_agenttesla
behavioral1/memory/1112-70-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1112-68-0x0000000000400000-0x0000000000452000-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/272-57-0x0000000000C70000-0x0000000000CCA000-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:

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

ORDER.exe

description pid process target process

PID 272 set thread context of 1112 272 ORDER.exe ORDER.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

1308 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

ORDER.exeORDER.exe

pid process

272 ORDER.exe
1112 ORDER.exe
1112 ORDER.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ORDER.exeORDER.exe

description pid process

Token: SeDebugPrivilege 272 ORDER.exe
Token: SeDebugPrivilege 1112 ORDER.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ORDER.exe

pid process

1112 ORDER.exe

description	pid	process	target process
PID 272 set thread context of 1112	272	ORDER.exe	ORDER.exe

pid	process
1308	schtasks.exe

pid	process
272	ORDER.exe
1112	ORDER.exe
1112	ORDER.exe

description	pid	process
Token: SeDebugPrivilege	272	ORDER.exe
Token: SeDebugPrivilege	1112	ORDER.exe

pid	process
1112	ORDER.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

ORDER.exeORDER.exe

description	pid	process	target process
PID 272 wrote to memory of 1308	272	ORDER.exe	schtasks.exe
PID 272 wrote to memory of 1308	272	ORDER.exe	schtasks.exe
PID 272 wrote to memory of 1308	272	ORDER.exe	schtasks.exe
PID 272 wrote to memory of 1308	272	ORDER.exe	schtasks.exe
PID 272 wrote to memory of 1208	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1208	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1208	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1208	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1112	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1112	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1112	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1112	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1112	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1112	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1112	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1112	272	ORDER.exe	ORDER.exe
PID 272 wrote to memory of 1112	272	ORDER.exe	ORDER.exe
PID 1112 wrote to memory of 444	1112	ORDER.exe	netsh.exe
PID 1112 wrote to memory of 444	1112	ORDER.exe	netsh.exe
PID 1112 wrote to memory of 444	1112	ORDER.exe	netsh.exe
PID 1112 wrote to memory of 444	1112	ORDER.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

ORDER.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	ORDER.exe

outlook_win_path 1 IoCs

Processes:

ORDER.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	ORDER.exe

C:\Users\Admin\AppData\Local\Temp\ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\ORDER.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:272

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BrPBpyw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp90FA.tmp"
2⤵
- Creates scheduled task(s)
PID:1308

C:\Users\Admin\AppData\Local\Temp\ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\ORDER.exe"
2⤵
PID:1208

C:\Users\Admin\AppData\Local\Temp\ORDER.exe
"C:\Users\Admin\AppData\Local\Temp\ORDER.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1112

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:444

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\tmp90FA.tmp
Filesize
1KB

MD5
7eb783b4b7da437f3366e6b78fa66065

SHA1
8cd3baaf957f916d410593d6164ff24c32a031df

SHA256
a91211f65fceb1dbad21d5561193b650e40fc531d560f6e45a554f5330c742ee

SHA512
2338fc0941f2d2ba9b235de21a68c23b63e9f57c4f6084675487554af6dca96972d6e2be35fd39dcc19111520abf05545db1ffb88483cd76ade0f0568c304008

Download Submit
memory/272-54-0x0000000000F90000-0x0000000000FF4000-memory.dmp

Filesize
400KB

Download
memory/272-55-0x00000000753B1000-0x00000000753B3000-memory.dmp

Filesize
8KB

Download
memory/272-56-0x00000000002D0000-0x00000000002D8000-memory.dmp

Filesize
32KB

Download
memory/272-57-0x0000000000C70000-0x0000000000CCA000-memory.dmp

Filesize
360KB

Download
memory/444-72-0x0000000000000000-mapping.dmp

Download
memory/1112-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1112-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1112-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1112-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1112-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1112-66-0x000000000044C7BE-mapping.dmp

Download
memory/1112-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1112-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1308-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads