agenttesla | 5a3c1ee3937ff814ce4f26c3ebef18ffe4cf6e218411d906d5c8f21caf7ba333

General

Target

Ref PO-11059021022021.exe
Size

481KB
MD5

cdd313e8c6d6ca6489f6b4a3d0d0f2ca
SHA1

672f4a5496857a30f1491f308596c2a062569fa5
SHA256

7671a41dabb2a4e2f84270501f7c4adc005ed000d889de21d7bc1c859180f585
SHA512

7f81c539b3a9ec3c075f1026a076d1ae2d55252bec0374e3d574dc5a7c754d0f255582db45843a11d00460768bf9bcc8ac55fc50ece75d361ce70bfb9fe1212c

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.pptoursperu.com
Port:
587
Username:
[email protected]
Password:
mailppt2019-

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/4340-136-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion
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

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Ref PO-11059021022021.exe

description pid process target process

PID 4880 set thread context of 4340 4880 Ref PO-11059021022021.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2484 4340 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

1016 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

4340 RegSvcs.exe
4340 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 4340 RegSvcs.exe

description	pid	process	target process
PID 4880 set thread context of 4340	4880	Ref PO-11059021022021.exe	RegSvcs.exe

pid	pid_target	process	target process
2484	4340	WerFault.exe	RegSvcs.exe

pid	process
1016	REG.exe

pid	process
4340	RegSvcs.exe
4340	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4340	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

Ref PO-11059021022021.exeRegSvcs.exe

description	pid	process	target process
PID 4880 wrote to memory of 4340	4880	Ref PO-11059021022021.exe	RegSvcs.exe
PID 4880 wrote to memory of 4340	4880	Ref PO-11059021022021.exe	RegSvcs.exe
PID 4880 wrote to memory of 4340	4880	Ref PO-11059021022021.exe	RegSvcs.exe
PID 4880 wrote to memory of 4340	4880	Ref PO-11059021022021.exe	RegSvcs.exe
PID 4880 wrote to memory of 4340	4880	Ref PO-11059021022021.exe	RegSvcs.exe
PID 4880 wrote to memory of 4340	4880	Ref PO-11059021022021.exe	RegSvcs.exe
PID 4880 wrote to memory of 4340	4880	Ref PO-11059021022021.exe	RegSvcs.exe
PID 4880 wrote to memory of 4340	4880	Ref PO-11059021022021.exe	RegSvcs.exe
PID 4340 wrote to memory of 1016	4340	RegSvcs.exe	REG.exe
PID 4340 wrote to memory of 1016	4340	RegSvcs.exe	REG.exe
PID 4340 wrote to memory of 1016	4340	RegSvcs.exe	REG.exe
PID 4340 wrote to memory of 3132	4340	RegSvcs.exe	netsh.exe
PID 4340 wrote to memory of 3132	4340	RegSvcs.exe	netsh.exe
PID 4340 wrote to memory of 3132	4340	RegSvcs.exe	netsh.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\Ref PO-11059021022021.exe
"C:\Users\Admin\AppData\Local\Temp\Ref PO-11059021022021.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4880

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4340

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:1016

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:3132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 1560
3⤵
- Program crash
PID:2484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4340 -ip 4340
1⤵
PID:2284

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1016-138-0x0000000000000000-mapping.dmp

Download
memory/3132-140-0x0000000000000000-mapping.dmp

Download
memory/4340-135-0x0000000000000000-mapping.dmp

Download
memory/4340-136-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4340-137-0x0000000005E40000-0x0000000005EA6000-memory.dmp

Filesize
408KB

Download
memory/4340-139-0x00000000065D0000-0x0000000006620000-memory.dmp

Filesize
320KB

Download
memory/4880-130-0x00000000004C0000-0x000000000053E000-memory.dmp

Filesize
504KB

Download
memory/4880-131-0x0000000009970000-0x0000000009F14000-memory.dmp

Filesize
5.6MB

Download
memory/4880-132-0x0000000005170000-0x0000000005202000-memory.dmp

Filesize
584KB

Download
memory/4880-133-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/4880-134-0x00000000098C0000-0x000000000995C000-memory.dmp

Filesize
624KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads