agenttesla | 92fd046d9037a844e44c13dd287042186f7351f9a78779408bf71004e64dbbd3

General

Target

Factura.exe
Size

524KB
MD5

9ce8e1a2f2f63a30c739ae2161a180ec
SHA1

937c3210cf4afc9f48a81b55c5d715f41bf6cfe6
SHA256

92fd046d9037a844e44c13dd287042186f7351f9a78779408bf71004e64dbbd3
SHA512

4b338f9441b43c8b592d2bf5ac3e25d2755d761b456ce6e9ac397416af7b1100f9e182758d1aebd9631bb981d2f2a807c27e30e51d2f0dd093bf335c9ff2bedb

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.waterchem.com.tr
Port:
587
Username:
[email protected]
Password:
Q]b9[cc7kHK&

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/812-125-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/812-126-0x00000000004377AE-mapping.dmp	family_agenttesla
behavioral2/memory/812-132-0x00000000051C0000-0x00000000056BE000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Factura.exe

description ioc process

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

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Factura.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Factura.exe

description pid process target process

PID 2816 set thread context of 812 2816 Factura.exe Factura.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1168 812 WerFault.exe Factura.exe

description	pid	process	target process
PID 2816 set thread context of 812	2816	Factura.exe	Factura.exe

pid	pid_target	process	target process
1168	812	WerFault.exe	Factura.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

Factura.exeWerFault.exe

pid	process
812	Factura.exe
812	Factura.exe
1168	WerFault.exe
1168	WerFault.exe
1168	WerFault.exe
1168	WerFault.exe
1168	WerFault.exe
1168	WerFault.exe
1168	WerFault.exe
1168	WerFault.exe
1168	WerFault.exe
1168	WerFault.exe
1168	WerFault.exe
1168	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

Factura.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	812	Factura.exe
Token: SeRestorePrivilege	1168	WerFault.exe
Token: SeBackupPrivilege	1168	WerFault.exe
Token: SeDebugPrivilege	1168	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Factura.exe

description	pid	process	target process
PID 2816 wrote to memory of 812	2816	Factura.exe	Factura.exe
PID 2816 wrote to memory of 812	2816	Factura.exe	Factura.exe
PID 2816 wrote to memory of 812	2816	Factura.exe	Factura.exe
PID 2816 wrote to memory of 812	2816	Factura.exe	Factura.exe
PID 2816 wrote to memory of 812	2816	Factura.exe	Factura.exe
PID 2816 wrote to memory of 812	2816	Factura.exe	Factura.exe
PID 2816 wrote to memory of 812	2816	Factura.exe	Factura.exe
PID 2816 wrote to memory of 812	2816	Factura.exe	Factura.exe

outlook_office_path 1 IoCs

Processes:

Factura.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura.exe

outlook_win_path 1 IoCs

Processes:

Factura.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Factura.exe

C:\Users\Admin\AppData\Local\Temp\Factura.exe
"C:\Users\Admin\AppData\Local\Temp\Factura.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2816

C:\Users\Admin\AppData\Local\Temp\Factura.exe
"C:\Users\Admin\AppData\Local\Temp\Factura.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 812 -s 1500
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1168

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Factura.exe.log

MD5
f1181bc4bdff57024c4121f645548332

SHA1
d431ee3a3a5afcae2c4537b1d445054a0a95f6e6

SHA256
f1a7e138b25d0cb24bb4b23bd781b0dd357afd49d45e19ffa44cdb80170336ad

SHA512
cf8059f289bcb4f33e82a2c4851fade486bd449793a39718d49bc357efd09689150aedd277c5ebcf79b5ebb4bbe36f0cbb72510a50398bee804ffd9c889604e3

Download Submit
memory/812-125-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/812-134-0x0000000005F20000-0x0000000005F21000-memory.dmp

Filesize
4KB

Download
memory/812-133-0x0000000005660000-0x0000000005661000-memory.dmp

Filesize
4KB

Download
memory/812-132-0x00000000051C0000-0x00000000056BE000-memory.dmp

Filesize
5.0MB

Download
memory/812-126-0x00000000004377AE-mapping.dmp

Download
memory/2816-119-0x0000000004FB0000-0x00000000054AE000-memory.dmp

Filesize
5.0MB

Download
memory/2816-123-0x0000000007700000-0x0000000007701000-memory.dmp

Filesize
4KB

Download
memory/2816-124-0x00000000078A0000-0x0000000007909000-memory.dmp

Filesize
420KB

Download
memory/2816-122-0x0000000007390000-0x0000000007391000-memory.dmp

Filesize
4KB

Download
memory/2816-121-0x0000000005170000-0x0000000005178000-memory.dmp

Filesize
32KB

Download
memory/2816-120-0x00000000050B0000-0x00000000050B1000-memory.dmp

Filesize
4KB

Download
memory/2816-115-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/2816-118-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

Filesize
4KB

Download
memory/2816-117-0x00000000054B0000-0x00000000054B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads