agenttesla | 4211c5b7b23a49af6dbef099e50c2bd32c7027fe437cbf94e4ed13a5889bff5d

General

Target

RFQ_20_2.scr
Size

481KB
MD5

ae7eec82b44c6c1619a156d367f97474
SHA1

0315445529f60a5c77136a33c484306f69dde485
SHA256

1144219246f22a35049d3c74f60e7e09e1b8a65f24b14b7985fcad58bc9e6cfd
SHA512

8e540150fe0bc3c85c84a8953e6797c314dd0595a3c305929268b64af4155ee4575487509fb2b0ad1f4d6b4c4111f795051ff0e43612db1abed9e34db98559fb

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
sparedone

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/220-134-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RFQ_20_2.scr

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1081944012-3634099177-1681222835-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mNQLE = "C:\\FSHLRPTB\\mNQLEm\\mNQLEmjsz.vbs"	RFQ_20_2.scr

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

RFQ_20_2.scr

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	RFQ_20_2.scr
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	RFQ_20_2.scr

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ_20_2.scr

description pid process target process

PID 2156 set thread context of 220 2156 RFQ_20_2.scr InstallUtil.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

InstallUtil.exe

pid process

220 InstallUtil.exe
220 InstallUtil.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

RFQ_20_2.scr

pid process

2156 RFQ_20_2.scr
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

InstallUtil.exe

description pid process

Token: SeDebugPrivilege 220 InstallUtil.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

220 InstallUtil.exe

description	pid	process	target process
PID 2156 set thread context of 220	2156	RFQ_20_2.scr	InstallUtil.exe

pid	process
220	InstallUtil.exe
220	InstallUtil.exe

pid	process
2156	RFQ_20_2.scr

description	pid	process
Token: SeDebugPrivilege	220	InstallUtil.exe

pid	process
220	InstallUtil.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

RFQ_20_2.scr

description	pid	process	target process
PID 2156 wrote to memory of 220	2156	RFQ_20_2.scr	InstallUtil.exe
PID 2156 wrote to memory of 220	2156	RFQ_20_2.scr	InstallUtil.exe
PID 2156 wrote to memory of 220	2156	RFQ_20_2.scr	InstallUtil.exe
PID 2156 wrote to memory of 220	2156	RFQ_20_2.scr	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.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	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.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	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\RFQ_20_2.scr
"C:\Users\Admin\AppData\Local\Temp\RFQ_20_2.scr" /S
1⤵
- Adds Run key to start application
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2156

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\InstallUtil.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:220

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

Peripheral Device Discovery

1

T1120

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/220-132-0x0000000000000000-mapping.dmp

Download
memory/220-134-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/220-135-0x0000000005040000-0x00000000050D2000-memory.dmp

Filesize
584KB

Download
memory/220-136-0x0000000005290000-0x000000000532C000-memory.dmp

Filesize
624KB

Download
memory/220-137-0x0000000005690000-0x00000000056F6000-memory.dmp

Filesize
408KB

Download
memory/220-138-0x0000000006460000-0x00000000064B0000-memory.dmp

Filesize
320KB

Download
memory/220-139-0x00000000065B0000-0x00000000065BA000-memory.dmp

Filesize
40KB

Download
memory/2156-130-0x0000000000230000-0x00000000002AE000-memory.dmp

Filesize
504KB

Download
memory/2156-131-0x00000000052A0000-0x0000000005844000-memory.dmp

Filesize
5.6MB

Download
memory/2156-133-0x0000000004BF0000-0x0000000004BF3000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads