agenttesla | c4bc735e483c455cfa6925262c67671e7fa9720c0166aa26881ed4697ed0218b

General

Target

Remittance copy.exe
Size

729KB
MD5

c86e1314d84055040470216e546648df
SHA1

575a0bd92de0286999ad125f4e32acfe0e19a834
SHA256

51031d05083e587fa113208a5de4c7f7c0bd4f6ee385bdfee92c63786f7d7e88
SHA512

0a27c34593318a460f31f568e3ef9739f6778884720d8ac65b623db8bcf1df2f28d16ae52af2deb3109a7a943222dcf704ceaeffd1a7e15165651a96fa7d2f5f

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.jascf.org
Port:
587
Username:
[email protected]
Password:
v4Sh@2P$keSd

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/540-138-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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:

Remittance copy.exe

description pid process target process

PID 4744 set thread context of 540 4744 Remittance copy.exe RegSvcs.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

2360 REG.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Remittance copy.exeRegSvcs.exe

pid process

4744 Remittance copy.exe
4744 Remittance copy.exe
4744 Remittance copy.exe
4744 Remittance copy.exe
540 RegSvcs.exe
540 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Remittance copy.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4744 Remittance copy.exe
Token: SeDebugPrivilege 540 RegSvcs.exe

description	pid	process	target process
PID 4744 set thread context of 540	4744	Remittance copy.exe	RegSvcs.exe

pid	process
2360	REG.exe

pid	process
4744	Remittance copy.exe
4744	Remittance copy.exe
4744	Remittance copy.exe
4744	Remittance copy.exe
540	RegSvcs.exe
540	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4744	Remittance copy.exe
Token: SeDebugPrivilege	540	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Remittance copy.exeRegSvcs.exe

description	pid	process	target process
PID 4744 wrote to memory of 3196	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 3196	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 3196	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 448	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 448	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 448	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 540	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 540	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 540	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 540	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 540	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 540	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 540	4744	Remittance copy.exe	RegSvcs.exe
PID 4744 wrote to memory of 540	4744	Remittance copy.exe	RegSvcs.exe
PID 540 wrote to memory of 2360	540	RegSvcs.exe	REG.exe
PID 540 wrote to memory of 2360	540	RegSvcs.exe	REG.exe
PID 540 wrote to memory of 2360	540	RegSvcs.exe	REG.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\Remittance copy.exe
"C:\Users\Admin\AppData\Local\Temp\Remittance copy.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4744

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:3196

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
PID:448

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:540

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:2360

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/448-136-0x0000000000000000-mapping.dmp

Download
memory/540-139-0x00000000059D0000-0x0000000005A36000-memory.dmp

Filesize
408KB

Download
memory/540-137-0x0000000000000000-mapping.dmp

Download
memory/540-138-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/540-140-0x0000000006780000-0x00000000067D0000-memory.dmp

Filesize
320KB

Download
memory/540-142-0x0000000006750000-0x000000000675A000-memory.dmp

Filesize
40KB

Download
memory/2360-141-0x0000000000000000-mapping.dmp

Download
memory/3196-135-0x0000000000000000-mapping.dmp

Download
memory/4744-132-0x0000000005960000-0x00000000059F2000-memory.dmp

Filesize
584KB

Download
memory/4744-133-0x0000000006590000-0x0000000006716000-memory.dmp

Filesize
1.5MB

Download
memory/4744-134-0x0000000006400000-0x000000000649C000-memory.dmp

Filesize
624KB

Download
memory/4744-131-0x0000000005E50000-0x00000000063F4000-memory.dmp

Filesize
5.6MB

Download
memory/4744-130-0x0000000000EF0000-0x0000000000FAC000-memory.dmp

Filesize
752KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads