agenttesla | 97b45eb247e2111c62c265af0722b90706db3320c65e99e7746ac2686ae71a16

General

Target

PO.NO.062.jpg.exe
Size

421KB
MD5

458145b74718d73399391f3cd02e6192
SHA1

058788cc18f08f58e4104e33b9546f91053102f3
SHA256

008d79b95dd17c51b103bf87aabf1e5a3ecff06c2ff26a5b5bce23ac1e0dda9c
SHA512

e44d1fea9445603417ede137eb38462d47b63c035ed9bd81b1c901fa6d98594c54dfb16fee48f7deccad8086b107af7d664e604dc8cce64ee9781aa5d08cae68

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aquariuslogistics.com
Port:
587
Username:
[email protected]
Password:
AQL@2019#$

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/4416-137-0x0000000000400000-0x000000000044E000-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:

PO.NO.062.jpg.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	PO.NO.062.jpg.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO.NO.062.jpg.exe

description pid process target process

PID 4780 set thread context of 4416 4780 PO.NO.062.jpg.exe RegSvcs.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4316 4416 WerFault.exe RegSvcs.exe
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

5108 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

4416 RegSvcs.exe
4416 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 4416 RegSvcs.exe

description	pid	process	target process
PID 4780 set thread context of 4416	4780	PO.NO.062.jpg.exe	RegSvcs.exe

pid	pid_target	process	target process
4316	4416	WerFault.exe	RegSvcs.exe

pid	process
5108	schtasks.exe

pid	process
4416	RegSvcs.exe
4416	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4416	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

PO.NO.062.jpg.exe

description	pid	process	target process
PID 4780 wrote to memory of 5108	4780	PO.NO.062.jpg.exe	schtasks.exe
PID 4780 wrote to memory of 5108	4780	PO.NO.062.jpg.exe	schtasks.exe
PID 4780 wrote to memory of 5108	4780	PO.NO.062.jpg.exe	schtasks.exe
PID 4780 wrote to memory of 4416	4780	PO.NO.062.jpg.exe	RegSvcs.exe
PID 4780 wrote to memory of 4416	4780	PO.NO.062.jpg.exe	RegSvcs.exe
PID 4780 wrote to memory of 4416	4780	PO.NO.062.jpg.exe	RegSvcs.exe
PID 4780 wrote to memory of 4416	4780	PO.NO.062.jpg.exe	RegSvcs.exe
PID 4780 wrote to memory of 4416	4780	PO.NO.062.jpg.exe	RegSvcs.exe
PID 4780 wrote to memory of 4416	4780	PO.NO.062.jpg.exe	RegSvcs.exe
PID 4780 wrote to memory of 4416	4780	PO.NO.062.jpg.exe	RegSvcs.exe
PID 4780 wrote to memory of 4416	4780	PO.NO.062.jpg.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PO.NO.062.jpg.exe
"C:\Users\Admin\AppData\Local\Temp\PO.NO.062.jpg.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4780

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LFkPIyKKOVLJl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9625.tmp"
2⤵
- Creates scheduled task(s)
PID:5108

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 1592
3⤵
- Program crash
PID:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4416 -ip 4416
1⤵
PID:4736

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9625.tmp
Filesize
1KB

MD5
30a0fcbb31978b244d34d2a6d61a1a36

SHA1
ff0900300e0e20644120183b3db25cc8f909919b

SHA256
4ae5e944fe49c0187220f3ce3416a2d1df397f1182f61e071fdaf1b822f057d2

SHA512
092cf98a3d543c88dc2801281105f37a7cdbf488b5a3160dfed90b3e59ccfeeeadbb3e03f558cafe101f6bc52886e2ab6b8147ed3000aad09bc7284166a55469

Download Submit
memory/4416-136-0x0000000000000000-mapping.dmp

Download
memory/4416-137-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4416-138-0x0000000005EC0000-0x0000000005F26000-memory.dmp

Filesize
408KB

Download
memory/4416-139-0x0000000006440000-0x0000000006490000-memory.dmp

Filesize
320KB

Download
memory/4780-130-0x0000000000150000-0x00000000001C0000-memory.dmp

Filesize
448KB

Download
memory/4780-131-0x0000000004B50000-0x0000000004BEC000-memory.dmp

Filesize
624KB

Download
memory/4780-132-0x0000000004C90000-0x0000000004D22000-memory.dmp

Filesize
584KB

Download
memory/4780-133-0x0000000005AA0000-0x0000000006044000-memory.dmp

Filesize
5.6MB

Download
memory/5108-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads