agenttesla | b84beac430d5c3fd06f4a1016e305884689eba7596eea1d6ca8ffa2122f341ff

General

Target

Quotation.exe
Size

440KB
MD5

0547c6fd5e4d632b87d2f9a3dbc88587
SHA1

022d3a644567f960a1fa692ed576a4aaf5ca72a0
SHA256

e25588ef7f6dc061277b4380dc1f9ad034f1eb74c254cd778fea2ab7fe1783ab
SHA512

bed9caa917ff25a5168017952b401f4688f0f04c0075442bcb95d891017293b403c42a1e6f43cea4fc6ee5e2e80ae90d4c19afc293283eb4e840bc8871878129

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:
MARYolanmauluogwo@ever

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral5/memory/372-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/372-64-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/372-65-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/372-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Beds Protector Packer 1 IoCs

Detects Beds Protector packer used to load .NET malware.

Processes:

resource	yara_rule
behavioral5/memory/1260-57-0x0000000000CB0000-0x0000000000D1C000-memory.dmp	beds_protector

Drops startup file 2 IoCs

Processes:

Powershell.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe	Powershell.exe

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:

Quotation.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Quotation.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\0rig40 = "C:\\Users\\Admin\\AppData\\Roaming\\0rig40\\0rig40.exe"	Quotation.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Quotation.exe

description pid process target process

PID 1260 set thread context of 372 1260 Quotation.exe Quotation.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Quotation.exePowershell.exe

pid process

372 Quotation.exe
372 Quotation.exe
368 Powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Quotation.exePowershell.exe

description pid process

Token: SeDebugPrivilege 372 Quotation.exe
Token: SeDebugPrivilege 368 Powershell.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Quotation.exe

pid process

372 Quotation.exe

description	pid	process	target process
PID 1260 set thread context of 372	1260	Quotation.exe	Quotation.exe

pid	process
372	Quotation.exe
372	Quotation.exe
368	Powershell.exe

description	pid	process
Token: SeDebugPrivilege	372	Quotation.exe
Token: SeDebugPrivilege	368	Powershell.exe

pid	process
372	Quotation.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Quotation.exe

description	pid	process	target process
PID 1260 wrote to memory of 368	1260	Quotation.exe	Powershell.exe
PID 1260 wrote to memory of 368	1260	Quotation.exe	Powershell.exe
PID 1260 wrote to memory of 368	1260	Quotation.exe	Powershell.exe
PID 1260 wrote to memory of 368	1260	Quotation.exe	Powershell.exe
PID 1260 wrote to memory of 372	1260	Quotation.exe	Quotation.exe
PID 1260 wrote to memory of 372	1260	Quotation.exe	Quotation.exe
PID 1260 wrote to memory of 372	1260	Quotation.exe	Quotation.exe
PID 1260 wrote to memory of 372	1260	Quotation.exe	Quotation.exe
PID 1260 wrote to memory of 372	1260	Quotation.exe	Quotation.exe
PID 1260 wrote to memory of 372	1260	Quotation.exe	Quotation.exe
PID 1260 wrote to memory of 372	1260	Quotation.exe	Quotation.exe
PID 1260 wrote to memory of 372	1260	Quotation.exe	Quotation.exe
PID 1260 wrote to memory of 372	1260	Quotation.exe	Quotation.exe

outlook_office_path 1 IoCs

Processes:

Quotation.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

outlook_win_path 1 IoCs

Processes:

Quotation.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1260

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Quotation.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe'
2⤵
- Drops startup file
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:368

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:372

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

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/368-72-0x0000000070D80000-0x000000007132B000-memory.dmp

Filesize
5.7MB

Download
memory/368-76-0x0000000002230000-0x0000000002480000-memory.dmp

Filesize
2.3MB

Download
memory/368-75-0x0000000002230000-0x0000000002480000-memory.dmp

Filesize
2.3MB

Download
memory/368-74-0x0000000070D80000-0x000000007132B000-memory.dmp

Filesize
5.7MB

Download
memory/368-73-0x0000000002230000-0x0000000002480000-memory.dmp

Filesize
2.3MB

Download
memory/372-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/372-67-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/372-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/372-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/372-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/372-77-0x0000000004B41000-0x0000000004B42000-memory.dmp

Filesize
4KB

Download
memory/372-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/372-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/372-68-0x0000000004B40000-0x0000000004B41000-memory.dmp

Filesize
4KB

Download
memory/1260-60-0x0000000000320000-0x0000000000336000-memory.dmp

Filesize
88KB

Download
memory/1260-59-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/1260-57-0x0000000000CB0000-0x0000000000D1C000-memory.dmp

Filesize
432KB

Download
memory/1260-56-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/1260-55-0x0000000074820000-0x0000000074F0E000-memory.dmp

Filesize
6.9MB

Download
memory/1260-54-0x0000000001260000-0x00000000012D4000-memory.dmp

Filesize
464KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads