agenttesla | 33e67621d21b3a8a3afd7bd73c2ee1dadd4d9d18faa31b68f67bdd54f7804cd0

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 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4568-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4568-125-0x00000000004376CE-mapping.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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Copy BL and Debit Note.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Copy BL and Debit Note.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\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-1-5-21-941723256-3451054534-3089625102-1000\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 4024 set thread context of 4568 4024 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

4568 Copy BL and Debit Note.exe
4568 Copy BL and Debit Note.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Copy BL and Debit Note.exe

description pid process

Token: SeDebugPrivilege 4568 Copy BL and Debit Note.exe

description	pid	process	target process
PID 4024 set thread context of 4568	4024	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe

pid	process
4568	Copy BL and Debit Note.exe
4568	Copy BL and Debit Note.exe

description	pid	process
Token: SeDebugPrivilege	4568	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 4024 wrote to memory of 4568	4024	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 4024 wrote to memory of 4568	4024	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 4024 wrote to memory of 4568	4024	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 4024 wrote to memory of 4568	4024	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 4024 wrote to memory of 4568	4024	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 4024 wrote to memory of 4568	4024	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 4024 wrote to memory of 4568	4024	Copy BL and Debit Note.exe	Copy BL and Debit Note.exe
PID 4024 wrote to memory of 4568	4024	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-1-5-21-941723256-3451054534-3089625102-1000\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-1-5-21-941723256-3451054534-3089625102-1000\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:4024

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:4568

Network

MITRE ATT&CK Enterprise 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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Copy BL and Debit Note.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/4024-122-0x000000000D030000-0x000000000D031000-memory.dmp

Filesize
4KB

Download
memory/4024-118-0x0000000007170000-0x0000000007171000-memory.dmp

Filesize
4KB

Download
memory/4024-119-0x00000000070D0000-0x00000000075CE000-memory.dmp

Filesize
5.0MB

Download
memory/4024-120-0x00000000070F0000-0x00000000070F1000-memory.dmp

Filesize
4KB

Download
memory/4024-121-0x0000000007AF0000-0x0000000007AF8000-memory.dmp

Filesize
32KB

Download
memory/4024-115-0x0000000000360000-0x0000000000361000-memory.dmp

Filesize
4KB

Download
memory/4024-123-0x000000000D0D0000-0x000000000D128000-memory.dmp

Filesize
352KB

Download
memory/4024-117-0x00000000075D0000-0x00000000075D1000-memory.dmp

Filesize
4KB

Download
memory/4568-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4568-125-0x00000000004376CE-mapping.dmp

Download
memory/4568-131-0x0000000004E10000-0x0000000004E11000-memory.dmp

Filesize
4KB

Download
memory/4568-132-0x0000000004E20000-0x0000000004E21000-memory.dmp

Filesize
4KB

Download
memory/4568-133-0x0000000005A50000-0x0000000005A51000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads