agenttesla | 46bd933a2f3d328c9b9665c2b8c9907600e14b3542d9aff1e8526593cd03a3cb

General

Target

PAYMEN.pdf.exe
Size

648KB
MD5

463c68f81d7624d1a22aef526b98ff62
SHA1

047605c15f2fa7421c7855e2410ae1de5a337a3f
SHA256

638603145c3aac570237325613344a3fd83bf2fc737ee5acd8230e0ee1afb0f5
SHA512

5ff2d32b68fc4a9b3c9babbfdad0c9b621c88dbc402f8edc1c4a4893d6e2c5f3b74ad5f73586ba5e58f9bc859840d1e80288e3cadd8205ab6be77b89a8f20e1b

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.daafco.com
Port:
587
Username:
[email protected]
Password:
Rawan!@#

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/2284-138-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

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:

PAYMEN.pdf.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\Control Panel\International\Geo\Nation	PAYMEN.pdf.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\oPLNOE = "C:\\Users\\Admin\\AppData\\Roaming\\oPLNOE\\oPLNOE.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PAYMEN.pdf.exe

description pid process target process

PID 4344 set thread context of 2284 4344 PAYMEN.pdf.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
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

2108 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

2288 REG.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PAYMEN.pdf.exeRegSvcs.exe

pid process

4344 PAYMEN.pdf.exe
4344 PAYMEN.pdf.exe
4344 PAYMEN.pdf.exe
4344 PAYMEN.pdf.exe
2284 RegSvcs.exe
2284 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PAYMEN.pdf.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4344 PAYMEN.pdf.exe
Token: SeDebugPrivilege 2284 RegSvcs.exe

description	pid	process	target process
PID 4344 set thread context of 2284	4344	PAYMEN.pdf.exe	RegSvcs.exe

pid	process
2108	schtasks.exe

pid	process
2288	REG.exe

pid	process
4344	PAYMEN.pdf.exe
4344	PAYMEN.pdf.exe
4344	PAYMEN.pdf.exe
4344	PAYMEN.pdf.exe
2284	RegSvcs.exe
2284	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4344	PAYMEN.pdf.exe
Token: SeDebugPrivilege	2284	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

PAYMEN.pdf.exeRegSvcs.exe

description	pid	process	target process
PID 4344 wrote to memory of 2108	4344	PAYMEN.pdf.exe	schtasks.exe
PID 4344 wrote to memory of 2108	4344	PAYMEN.pdf.exe	schtasks.exe
PID 4344 wrote to memory of 2108	4344	PAYMEN.pdf.exe	schtasks.exe
PID 4344 wrote to memory of 2284	4344	PAYMEN.pdf.exe	RegSvcs.exe
PID 4344 wrote to memory of 2284	4344	PAYMEN.pdf.exe	RegSvcs.exe
PID 4344 wrote to memory of 2284	4344	PAYMEN.pdf.exe	RegSvcs.exe
PID 4344 wrote to memory of 2284	4344	PAYMEN.pdf.exe	RegSvcs.exe
PID 4344 wrote to memory of 2284	4344	PAYMEN.pdf.exe	RegSvcs.exe
PID 4344 wrote to memory of 2284	4344	PAYMEN.pdf.exe	RegSvcs.exe
PID 4344 wrote to memory of 2284	4344	PAYMEN.pdf.exe	RegSvcs.exe
PID 4344 wrote to memory of 2284	4344	PAYMEN.pdf.exe	RegSvcs.exe
PID 2284 wrote to memory of 2288	2284	RegSvcs.exe	REG.exe
PID 2284 wrote to memory of 2288	2284	RegSvcs.exe	REG.exe
PID 2284 wrote to memory of 2288	2284	RegSvcs.exe	REG.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\PAYMEN.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMEN.pdf.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4344

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\Bfcsivpifds" /XML "C:\Users\Admin\AppData\Local\Temp\tmp961.tmp"
2⤵
- Creates scheduled task(s)
PID:2108

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2284

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
3⤵
- Modifies registry key
PID:2288

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

2

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\tmp961.tmp
Filesize
1KB

MD5
955d03e9e685f30e8e89b5169f223cb8

SHA1
d39231429bff0aef961744daea387dda51349473

SHA256
c3b5e88b460573213002b1acf882e0893d279e2594a4489106330b72f4173e2d

SHA512
95847c4abe04d2c8970a947649c359af94fd11b687b52d742843a25a316712bc6914d951a73e4ee6d0db341730b9c5b281cef42980d651be8b934062e969fdd9

Download Submit
memory/2108-135-0x0000000000000000-mapping.dmp

Download
memory/2284-137-0x0000000000000000-mapping.dmp

Download
memory/2284-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2284-139-0x0000000005B30000-0x0000000005B96000-memory.dmp

Filesize
408KB

Download
memory/2284-140-0x00000000068C0000-0x0000000006910000-memory.dmp

Filesize
320KB

Download
memory/2288-141-0x0000000000000000-mapping.dmp

Download
memory/4344-130-0x0000000000AF0000-0x0000000000B98000-memory.dmp

Filesize
672KB

Download
memory/4344-131-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/4344-132-0x0000000005540000-0x00000000055D2000-memory.dmp

Filesize
584KB

Download
memory/4344-133-0x0000000005600000-0x000000000560A000-memory.dmp

Filesize
40KB

Download
memory/4344-134-0x0000000007BE0000-0x0000000007C7C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads