agenttesla | af0902b859d5df130dc0b9f8e0541b88da80683721307249b239e5da98050811

General

Target

07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe
Size

388KB
MD5

07a9c9d3de53ce20de184c9b22137657
SHA1

38db554f03a2b190c7d485c3cb52e6a8d70abba9
SHA256

af0902b859d5df130dc0b9f8e0541b88da80683721307249b239e5da98050811
SHA512

3f98a41b2d9a274c8a855e4b05c99c9ef575df87273961d0cca5660b7631e577606747396cc65e691ed3318cc78371179a8c48bcd8e46ea5fc284ee88bdd8d62
SSDEEP

12288:ABSBmd3IFhfV/AMcIlXbK/sXGgSCkZUKxE:3BRNJZmsXGgroq

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sg2plcpnl0023.prod.sin2.secureserver.net
Port:
587
Username:
nbsupports@seshsupports.com
Password:
User@40378

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/2428-11-0x0000000000400000-0x000000000043C000-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-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe

description pid process target process

PID 4888 set thread context of 2428 4888 07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exeRegSvcs.exe

pid process

4888 07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe
4888 07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe
2428 RegSvcs.exe
2428 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 4888 07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe
Token: SeDebugPrivilege 2428 RegSvcs.exe

description	pid	process	target process
PID 4888 set thread context of 2428	4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe	RegSvcs.exe

pid	process
4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe
4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe
2428	RegSvcs.exe
2428	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe
Token: SeDebugPrivilege	2428	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe

description	pid	process	target process
PID 4888 wrote to memory of 2428	4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe	RegSvcs.exe
PID 4888 wrote to memory of 2428	4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe	RegSvcs.exe
PID 4888 wrote to memory of 2428	4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe	RegSvcs.exe
PID 4888 wrote to memory of 2428	4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe	RegSvcs.exe
PID 4888 wrote to memory of 2428	4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe	RegSvcs.exe
PID 4888 wrote to memory of 2428	4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe	RegSvcs.exe
PID 4888 wrote to memory of 2428	4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe	RegSvcs.exe
PID 4888 wrote to memory of 2428	4888	07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\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-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\07a9c9d3de53ce20de184c9b22137657_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4888

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2428

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/2428-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2428-24-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/2428-23-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/2428-22-0x00000000066F0000-0x0000000006740000-memory.dmp

Filesize
320KB

Download
memory/2428-20-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/2428-19-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/2428-17-0x0000000006260000-0x00000000062C6000-memory.dmp

Filesize
408KB

Download
memory/2428-16-0x00000000054C0000-0x00000000054D8000-memory.dmp

Filesize
96KB

Download
memory/2428-15-0x0000000005290000-0x00000000052A0000-memory.dmp

Filesize
64KB

Download
memory/2428-13-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/4888-5-0x0000000004F10000-0x0000000004F1A000-memory.dmp

Filesize
40KB

Download
memory/4888-10-0x0000000005D10000-0x0000000005D70000-memory.dmp

Filesize
384KB

Download
memory/4888-9-0x0000000005DB0000-0x0000000005E4C000-memory.dmp

Filesize
624KB

Download
memory/4888-8-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/4888-14-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/4888-7-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download
memory/4888-6-0x0000000004F80000-0x0000000004F8A000-memory.dmp

Filesize
40KB

Download
memory/4888-0-0x00000000004F0000-0x0000000000558000-memory.dmp

Filesize
416KB

Download
memory/4888-4-0x0000000004F90000-0x0000000004FA0000-memory.dmp

Filesize
64KB

Download
memory/4888-3-0x0000000004FB0000-0x0000000005042000-memory.dmp

Filesize
584KB

Download
memory/4888-2-0x0000000005560000-0x0000000005B04000-memory.dmp

Filesize
5.6MB

Download
memory/4888-1-0x0000000074D30000-0x00000000754E0000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads