agenttesla | d7677d8ae3578e42bc4e7802420b14f63eb7ff9425f46c413c57eca2d8420e68

General

Target

Copy BL and Debit Note.exe
Size

526KB
MD5

bf3529f043b5bbd871d4fe1fa7dbd9b7
SHA1

0770c707d13b4b186bf926413b806bd88fe2bdfc
SHA256

33e67621d21b3a8a3afd7bd73c2ee1dadd4d9d18faa31b68f67bdd54f7804cd0
SHA512

39fedee0ce4b83dd382a0369953607cc5f06a498b06d4340e051ca13bdc66cd5e1f16439feb0af09e2ec665e80552d5856cb6bdba2dd5f26f39ffcc6205ddcf2

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.davaobay.com.ph
Port:
587
Username:
[email protected]
Password:
p@ssw0rd

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3288-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/3288-125-0x00000000004376CE-mapping.dmp	family_agenttesla
behavioral2/memory/3288-130-0x0000000004E60000-0x000000000535E000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Copy BL and Debit Note.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Copy BL and Debit Note.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Copy BL and Debit Note.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Copy BL and Debit Note.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	Copy BL and Debit Note.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Copy BL and Debit Note.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Copy BL and Debit Note.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Copy BL and Debit Note.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Copy BL and Debit Note.exe

description pid process target process

PID 3572 set thread context of 3288 3572 Copy BL and Debit Note.exe Copy BL and Debit Note.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Copy BL and Debit Note.exe

pid process

3288 Copy BL and Debit Note.exe
3288 Copy BL and Debit Note.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Copy BL and Debit Note.exe

description pid process

Token: SeDebugPrivilege 3288 Copy BL and Debit Note.exe

description	pid	process	target process
PID 3572 set thread context of 3288	3572	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe

pid	process
3288	Copy BL and Debit Note.exe
3288	Copy BL and Debit Note.exe

description	pid	process
Token: SeDebugPrivilege	3288	Copy BL and Debit Note.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

Copy BL and Debit Note.exe

description	pid	process	target process
PID 3572 wrote to memory of 3288	3572	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 3572 wrote to memory of 3288	3572	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 3572 wrote to memory of 3288	3572	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 3572 wrote to memory of 3288	3572	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 3572 wrote to memory of 3288	3572	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 3572 wrote to memory of 3288	3572	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 3572 wrote to memory of 3288	3572	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 3572 wrote to memory of 3288	3572	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe

outlook_office_path 1 IoCs

Processes:

Copy BL and Debit Note.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	Copy BL and Debit Note.exe

outlook_win_path 1 IoCs

Processes:

Copy BL and Debit Note.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	Copy BL and Debit Note.exe

C:\Users\Admin\AppData\Local\Temp\Copy BL and Debit Note.exe
"C:\Users\Admin\AppData\Local\Temp\Copy BL and Debit Note.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3572

C:\Users\Admin\AppData\Local\Temp\Copy BL and Debit Note.exe
"C:\Users\Admin\AppData\Local\Temp\Copy BL and Debit Note.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:3288

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

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/3288-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3288-132-0x0000000005BC0000-0x0000000005BC1000-memory.dmp

Filesize
4KB

Download
memory/3288-131-0x0000000005300000-0x0000000005301000-memory.dmp

Filesize
4KB

Download
memory/3288-130-0x0000000004E60000-0x000000000535E000-memory.dmp

Filesize
5.0MB

Download
memory/3288-125-0x00000000004376CE-mapping.dmp

Download
memory/3572-119-0x0000000007C90000-0x0000000007C91000-memory.dmp

Filesize
4KB

Download
memory/3572-122-0x000000000DBD0000-0x000000000DBD1000-memory.dmp

Filesize
4KB

Download
memory/3572-123-0x000000000DC70000-0x000000000DCC8000-memory.dmp

Filesize
352KB

Download
memory/3572-121-0x0000000008660000-0x0000000008668000-memory.dmp

Filesize
32KB

Download
memory/3572-120-0x0000000007BC0000-0x00000000080BE000-memory.dmp

Filesize
5.0MB

Download
memory/3572-115-0x0000000000F00000-0x0000000000F01000-memory.dmp

Filesize
4KB

Download
memory/3572-118-0x0000000007CA0000-0x0000000007CA1000-memory.dmp

Filesize
4KB

Download
memory/3572-117-0x00000000080C0000-0x00000000080C1000-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