agenttesla | 2118a50496820800cfc70a5ea71bc7b31904380ad10fa3ffda1e0296b8ea5cc4

General

Target

new order.exe
Size

454KB
MD5

40af518941f73ee0867e18c6f44fd742
SHA1

36e7edd6ab29ec11b60f95b2fa9289430fa4addb
SHA256

ec35d01b2a195c348b20565d96de7d5dc6385dd23e7452b55ee4200cca7490fa
SHA512

26ec2e83620962c2f714c0db01659df4f9baf94fb506177e6402197af4c94efbb2d584e08157ad1ce0e9ebd56b16130f0c6fc40e2b925dfa1340cb49690194ac

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
Iqb*)yC2

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/2000-61-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2000-62-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2000-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2000-64-0x000000000044C8FE-mapping.dmp	family_agenttesla
behavioral1/memory/2000-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/2000-68-0x0000000000400000-0x0000000000452000-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:

new order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

new order.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	new order.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

new order.exe

description pid process target process

PID 1048 set thread context of 2000 1048 new order.exe new 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

2008 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

new order.exe

pid process

2000 new order.exe
2000 new order.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

new order.exe

pid process

2000 new order.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

new order.exe

description pid process

Token: SeDebugPrivilege 2000 new order.exe

description	pid	process	target process
PID 1048 set thread context of 2000	1048	new order.exe	new order.exe

pid	process
2008	schtasks.exe

pid	process
2000	new order.exe
2000	new order.exe

pid	process
2000	new order.exe

description	pid	process
Token: SeDebugPrivilege	2000	new order.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

new order.exenew order.exe

description	pid	process	target process
PID 1048 wrote to memory of 2008	1048	new order.exe	schtasks.exe
PID 1048 wrote to memory of 2008	1048	new order.exe	schtasks.exe
PID 1048 wrote to memory of 2008	1048	new order.exe	schtasks.exe
PID 1048 wrote to memory of 2008	1048	new order.exe	schtasks.exe
PID 1048 wrote to memory of 2000	1048	new order.exe	new order.exe
PID 1048 wrote to memory of 2000	1048	new order.exe	new order.exe
PID 1048 wrote to memory of 2000	1048	new order.exe	new order.exe
PID 1048 wrote to memory of 2000	1048	new order.exe	new order.exe
PID 1048 wrote to memory of 2000	1048	new order.exe	new order.exe
PID 1048 wrote to memory of 2000	1048	new order.exe	new order.exe
PID 1048 wrote to memory of 2000	1048	new order.exe	new order.exe
PID 1048 wrote to memory of 2000	1048	new order.exe	new order.exe
PID 1048 wrote to memory of 2000	1048	new order.exe	new order.exe
PID 2000 wrote to memory of 536	2000	new order.exe	netsh.exe
PID 2000 wrote to memory of 536	2000	new order.exe	netsh.exe
PID 2000 wrote to memory of 536	2000	new order.exe	netsh.exe
PID 2000 wrote to memory of 536	2000	new order.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

new order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order.exe

outlook_win_path 1 IoCs

Processes:

new order.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	new order.exe

C:\Users\Admin\AppData\Local\Temp\new order.exe
"C:\Users\Admin\AppData\Local\Temp\new order.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\DhphbimQQk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7DC8.tmp"
2⤵
- Creates scheduled task(s)
PID:2008

C:\Users\Admin\AppData\Local\Temp\new order.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2000

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:536

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp7DC8.tmp

Filesize
1KB

MD5
d75ca64bf05e45427e6cc7ff01f236b3

SHA1
a7ae841a67d9a26b81bb2b2a4b07a399dcf38193

SHA256
fcb5e1e493752b7283023e3acc77b33e5b570e67207a52eefe6e5548d907188f

SHA512
ca9e4035d87902d61c6c9b8272a816b133dca08132361b309d84c117fc515073486604a07820e2a2ceb7a66855d0d85ab82788d699e81f58801dd27943d131f7

Download Submit
memory/536-71-0x0000000000000000-mapping.dmp

Download
memory/1048-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1048-55-0x0000000074B70000-0x000000007511B000-memory.dmp

Filesize
5.7MB

Download
memory/2000-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-59-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-58-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-64-0x000000000044C8FE-mapping.dmp

Download
memory/2000-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2000-70-0x0000000074B00000-0x00000000750AB000-memory.dmp

Filesize
5.7MB

Download
memory/2008-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads