agenttesla | d4ab6b4bc8e1563bf87af5492fb1b18939a575fe0d02a552a53a28865aa3f0a9

General

Target

SOA JUL..exe
Size

813KB
MD5

51cd9a94ff9c50f18ea55c3d4e844a41
SHA1

72d72eb8f18177235bee686425ebfbb7b9fef308
SHA256

7f09e1a23ce7b3b143221cd5f8be274e0b75380e6b3dd8e32d947c6f3b493104
SHA512

6ea62e5c90899a0fb0eeb96dcab1566fefdd5bf4af61b48bb4c771202dfdd012a475eda85ea8ff132f9e60d5225207ff90dcfebd3015a983f5de52d559cf967f

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.varda.com.tr
Port:
587
Username:
[email protected]
Password:
varda9997929

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/1964-138-0x0000000000400000-0x000000000045A000-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:

SOA JUL..exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	SOA JUL..exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sRfDVrD = "C:\\Users\\Admin\\AppData\\Roaming\\sRfDVrD\\sRfDVrD.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SOA JUL..exe

description pid process target process

PID 4044 set thread context of 1964 4044 SOA JUL..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

4152 schtasks.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

660 REG.exe

description	pid	process	target process
PID 4044 set thread context of 1964	4044	SOA JUL..exe	RegSvcs.exe

pid	process
4152	schtasks.exe

pid	process
660	REG.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

SOA JUL..exeRegSvcs.exe

pid	process
4044	SOA JUL..exe
4044	SOA JUL..exe
4044	SOA JUL..exe
4044	SOA JUL..exe
4044	SOA JUL..exe
4044	SOA JUL..exe
4044	SOA JUL..exe
1964	RegSvcs.exe
1964	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

SOA JUL..exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4044 SOA JUL..exe
Token: SeDebugPrivilege 1964 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4044	SOA JUL..exe
Token: SeDebugPrivilege	1964	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

SOA JUL..exeRegSvcs.exe

description	pid	process	target process
PID 4044 wrote to memory of 4152	4044	SOA JUL..exe	schtasks.exe
PID 4044 wrote to memory of 4152	4044	SOA JUL..exe	schtasks.exe
PID 4044 wrote to memory of 4152	4044	SOA JUL..exe	schtasks.exe
PID 4044 wrote to memory of 1964	4044	SOA JUL..exe	RegSvcs.exe
PID 4044 wrote to memory of 1964	4044	SOA JUL..exe	RegSvcs.exe
PID 4044 wrote to memory of 1964	4044	SOA JUL..exe	RegSvcs.exe
PID 4044 wrote to memory of 1964	4044	SOA JUL..exe	RegSvcs.exe
PID 4044 wrote to memory of 1964	4044	SOA JUL..exe	RegSvcs.exe
PID 4044 wrote to memory of 1964	4044	SOA JUL..exe	RegSvcs.exe
PID 4044 wrote to memory of 1964	4044	SOA JUL..exe	RegSvcs.exe
PID 4044 wrote to memory of 1964	4044	SOA JUL..exe	RegSvcs.exe
PID 1964 wrote to memory of 660	1964	RegSvcs.exe	REG.exe
PID 1964 wrote to memory of 660	1964	RegSvcs.exe	REG.exe
PID 1964 wrote to memory of 660	1964	RegSvcs.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\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-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SOA JUL..exe
"C:\Users\Admin\AppData\Local\Temp\SOA JUL..exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4044

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ATmGFbeqEs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1BB6.tmp"
2⤵
- Creates scheduled task(s)
PID:4152

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:1964

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:660

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

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp1BB6.tmp
Filesize
1KB

MD5
bf4b073610a75750cd10d54cd72e04de

SHA1
2d14e0949164b960d0069eba901038a51f2efa35

SHA256
b16f360ab16c465d014c86e2a9376f19039ce1183e733735bcb406aded4890df

SHA512
4eb5d5b0360cfea17228cba2d30f0d980fcc6564098653638368a46837623ac3649da48436aabb746c22a2bd695de578eb056e724815de24a702dbc9f291f1ab

Download Submit
memory/660-141-0x0000000000000000-mapping.dmp

Download
memory/1964-137-0x0000000000000000-mapping.dmp

Download
memory/1964-138-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1964-139-0x0000000005F30000-0x0000000005F96000-memory.dmp

Filesize
408KB

Download
memory/1964-140-0x0000000006AF0000-0x0000000006B40000-memory.dmp

Filesize
320KB

Download
memory/4044-130-0x00000000009B0000-0x0000000000A80000-memory.dmp

Filesize
832KB

Download
memory/4044-131-0x0000000005B90000-0x0000000006134000-memory.dmp

Filesize
5.6MB

Download
memory/4044-132-0x0000000005800000-0x0000000005892000-memory.dmp

Filesize
584KB

Download
memory/4044-133-0x00000000057C0000-0x00000000057CA000-memory.dmp

Filesize
40KB

Download
memory/4044-134-0x000000000EB30000-0x000000000EBCC000-memory.dmp

Filesize
624KB

Download
memory/4152-135-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads