agenttesla | 79e9c21c5f5b430e248a3ddd739a76b97874a9057418f83416edc303e4275979

General

Target

NEW PO -060746E7.exe
Size

411KB
MD5

1ce79c86bde0daf6fcebb4f81228c118
SHA1

ff3643ac0b1626472d23a09d7b603d457e811e5c
SHA256

2b969d8cdb8ebab56e42e08200126ecf287e3ce31245f7fb8563245cc53615de
SHA512

e761e0ece89802b07894af6f5780d374192a0a1575d34d07c5acf4226c74072af8b2823f8543702de7aad3c0f646fe0f5ed7d4e50db6022267e52cb9e192ba82

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/4224-136-0x0000000000400000-0x0000000000450000-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-1-5-21-2632097139-1792035885-811742494-1000\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

Suspicious use of SetThreadContext 1 IoCs

Processes:

NEW PO -060746E7.exe

description pid process target process

PID 1956 set thread context of 4224 1956 NEW PO -060746E7.exe RegSvcs.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3868 4224 WerFault.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

408 REG.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

4224 RegSvcs.exe
4224 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 4224 RegSvcs.exe

description	pid	process	target process
PID 1956 set thread context of 4224	1956	NEW PO -060746E7.exe	RegSvcs.exe

pid	pid_target	process	target process
3868	4224	WerFault.exe	RegSvcs.exe

pid	process
408	REG.exe

pid	process
4224	RegSvcs.exe
4224	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4224	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

NEW PO -060746E7.exeRegSvcs.exe

description	pid	process	target process
PID 1956 wrote to memory of 4224	1956	NEW PO -060746E7.exe	RegSvcs.exe
PID 1956 wrote to memory of 4224	1956	NEW PO -060746E7.exe	RegSvcs.exe
PID 1956 wrote to memory of 4224	1956	NEW PO -060746E7.exe	RegSvcs.exe
PID 1956 wrote to memory of 4224	1956	NEW PO -060746E7.exe	RegSvcs.exe
PID 1956 wrote to memory of 4224	1956	NEW PO -060746E7.exe	RegSvcs.exe
PID 1956 wrote to memory of 4224	1956	NEW PO -060746E7.exe	RegSvcs.exe
PID 1956 wrote to memory of 4224	1956	NEW PO -060746E7.exe	RegSvcs.exe
PID 1956 wrote to memory of 4224	1956	NEW PO -060746E7.exe	RegSvcs.exe
PID 4224 wrote to memory of 408	4224	RegSvcs.exe	REG.exe
PID 4224 wrote to memory of 408	4224	RegSvcs.exe	REG.exe
PID 4224 wrote to memory of 408	4224	RegSvcs.exe	REG.exe
PID 4224 wrote to memory of 4936	4224	RegSvcs.exe	netsh.exe
PID 4224 wrote to memory of 4936	4224	RegSvcs.exe	netsh.exe
PID 4224 wrote to memory of 4936	4224	RegSvcs.exe	netsh.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\NEW PO -060746E7.exe
"C:\Users\Admin\AppData\Local\Temp\NEW PO -060746E7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1956

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:4224

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:408

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:4936

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 1584
3⤵
- Program crash
PID:3868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4224 -ip 4224
1⤵
PID:3956

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/408-138-0x0000000000000000-mapping.dmp

Download
memory/1956-130-0x0000000000280000-0x00000000002EE000-memory.dmp

Filesize
440KB

Download
memory/1956-131-0x00000000051E0000-0x0000000005784000-memory.dmp

Filesize
5.6MB

Download
memory/1956-132-0x0000000004B50000-0x0000000004BE2000-memory.dmp

Filesize
584KB

Download
memory/1956-133-0x0000000004B40000-0x0000000004B4A000-memory.dmp

Filesize
40KB

Download
memory/1956-134-0x0000000008630000-0x00000000086CC000-memory.dmp

Filesize
624KB

Download
memory/4224-135-0x0000000000000000-mapping.dmp

Download
memory/4224-136-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/4224-137-0x0000000005740000-0x00000000057A6000-memory.dmp

Filesize
408KB

Download
memory/4224-139-0x00000000066B0000-0x0000000006700000-memory.dmp

Filesize
320KB

Download
memory/4936-140-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads