agenttesla | 91c08744ee4214190e3a4c8216ec620373a869e9bfbce3f9db00d01590def08c

General

Target

bank details.exe
Size

1.1MB
MD5

eb86275aeb317d404d5b8fda23f673aa
SHA1

ad010abd23862d25925fbbf4757f9e71907fe9cd
SHA256

0be3682accde2a88d78e2516998a4e19a01d116a1a66fadf903b60326b92cca8
SHA512

29cb4e46129a828ca26133426c5f4dde20eccc13c8e178e6288f788ec38686c39623c1c25ea6a2275e9430336b34bf61c9f2cbfdea85c0651fe93a941dcc21de

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.coquettenola.com
Port:
587
Username:
[email protected]
Password:
mandicakes2015

Signatures

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

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3988-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3988-125-0x000000000043761E-mapping.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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

bank details.exe

description pid process target process

PID 2432 set thread context of 3988 2432 bank details.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

bank details.exeRegSvcs.exe

pid process

2432 bank details.exe
2432 bank details.exe
3988 RegSvcs.exe
3988 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

bank details.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 2432 bank details.exe
Token: SeDebugPrivilege 3988 RegSvcs.exe

description	pid	process	target process
PID 2432 set thread context of 3988	2432	bank details.exe	RegSvcs.exe

pid	process
2432	bank details.exe
2432	bank details.exe
3988	RegSvcs.exe
3988	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	2432	bank details.exe
Token: SeDebugPrivilege	3988	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

bank details.exe

description	pid	process	target process
PID 2432 wrote to memory of 3988	2432	bank details.exe	RegSvcs.exe
PID 2432 wrote to memory of 3988	2432	bank details.exe	RegSvcs.exe
PID 2432 wrote to memory of 3988	2432	bank details.exe	RegSvcs.exe
PID 2432 wrote to memory of 3988	2432	bank details.exe	RegSvcs.exe
PID 2432 wrote to memory of 3988	2432	bank details.exe	RegSvcs.exe
PID 2432 wrote to memory of 3988	2432	bank details.exe	RegSvcs.exe
PID 2432 wrote to memory of 3988	2432	bank details.exe	RegSvcs.exe
PID 2432 wrote to memory of 3988	2432	bank details.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\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-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\bank details.exe
"C:\Users\Admin\AppData\Local\Temp\bank details.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2432

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:3988

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

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/2432-115-0x0000000000210000-0x0000000000211000-memory.dmp

Filesize
4KB

Download
memory/2432-117-0x0000000005180000-0x0000000005181000-memory.dmp

Filesize
4KB

Download
memory/2432-118-0x0000000004B70000-0x0000000004B71000-memory.dmp

Filesize
4KB

Download
memory/2432-119-0x0000000004C10000-0x0000000004C11000-memory.dmp

Filesize
4KB

Download
memory/2432-120-0x0000000004AD0000-0x0000000004B62000-memory.dmp

Filesize
584KB

Download
memory/2432-121-0x0000000007030000-0x0000000007031000-memory.dmp

Filesize
4KB

Download
memory/2432-122-0x0000000004F10000-0x0000000004F15000-memory.dmp

Filesize
20KB

Download
memory/2432-123-0x00000000071A0000-0x000000000726E000-memory.dmp

Filesize
824KB

Download
memory/3988-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3988-125-0x000000000043761E-mapping.dmp

Download
memory/3988-130-0x0000000004E20000-0x0000000004E21000-memory.dmp

Filesize
4KB

Download
memory/3988-131-0x0000000005390000-0x0000000005391000-memory.dmp

Filesize
4KB

Download
memory/3988-132-0x0000000005B40000-0x0000000005B41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads