agenttesla | 77604552d9c830399f0a222341731296c9cc06226c0d343e080b19c5bea53cf2

General

Target

Payment Proof.exe
Size

698KB
MD5

9abb6b056df5fd1948ed0008fa402705
SHA1

5a6316760d1fc70edac6b78335ba08683e581090
SHA256

23238fe2dfccd6e140916ab34d11a4b42b84f485e02c102c58b696a11bd3e453
SHA512

2b91484958d25d05d9d13bad98fa8cd9d3e4847cb5a219718d5adce9068e510949fe28b56597534ae638a2925d04bf387b81aa98f0914b6b5806cf7a121440d1

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.taiemerica.com
Port:
587
Username:
[email protected]
Password:
JuCbr%o3

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/4940-136-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Payment Proof.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Payment Proof.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	Payment Proof.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Payment Proof.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	Payment Proof.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Proof.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Payment Proof.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Proof.exe

description pid process target process

PID 1888 set thread context of 4940 1888 Payment Proof.exe Payment Proof.exe
Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

4452 REG.exe

description	pid	process	target process
PID 1888 set thread context of 4940	1888	Payment Proof.exe	Payment Proof.exe

pid	process
4452	REG.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

Payment Proof.exePayment Proof.exe

pid	process
1888	Payment Proof.exe
1888	Payment Proof.exe
1888	Payment Proof.exe
1888	Payment Proof.exe
1888	Payment Proof.exe
1888	Payment Proof.exe
1888	Payment Proof.exe
4940	Payment Proof.exe
4940	Payment Proof.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Payment Proof.exePayment Proof.exe

description pid process

Token: SeDebugPrivilege 1888 Payment Proof.exe
Token: SeDebugPrivilege 4940 Payment Proof.exe

description	pid	process
Token: SeDebugPrivilege	1888	Payment Proof.exe
Token: SeDebugPrivilege	4940	Payment Proof.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Payment Proof.exePayment Proof.exe

description	pid	process	target process
PID 1888 wrote to memory of 4940	1888	Payment Proof.exe	Payment Proof.exe
PID 1888 wrote to memory of 4940	1888	Payment Proof.exe	Payment Proof.exe
PID 1888 wrote to memory of 4940	1888	Payment Proof.exe	Payment Proof.exe
PID 1888 wrote to memory of 4940	1888	Payment Proof.exe	Payment Proof.exe
PID 1888 wrote to memory of 4940	1888	Payment Proof.exe	Payment Proof.exe
PID 1888 wrote to memory of 4940	1888	Payment Proof.exe	Payment Proof.exe
PID 1888 wrote to memory of 4940	1888	Payment Proof.exe	Payment Proof.exe
PID 1888 wrote to memory of 4940	1888	Payment Proof.exe	Payment Proof.exe
PID 4940 wrote to memory of 4452	4940	Payment Proof.exe	REG.exe
PID 4940 wrote to memory of 4452	4940	Payment Proof.exe	REG.exe
PID 4940 wrote to memory of 4452	4940	Payment Proof.exe	REG.exe

outlook_office_path 1 IoCs

Processes:

Payment Proof.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	Payment Proof.exe

outlook_win_path 1 IoCs

Processes:

Payment Proof.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	Payment Proof.exe

C:\Users\Admin\AppData\Local\Temp\Payment Proof.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Proof.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888

C:\Users\Admin\AppData\Local\Temp\Payment Proof.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:4940

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:4452

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

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/1888-130-0x0000000000E50000-0x0000000000F04000-memory.dmp

Filesize
720KB

Download
memory/1888-131-0x00000000061D0000-0x0000000006774000-memory.dmp

Filesize
5.6MB

Download
memory/1888-132-0x0000000005BC0000-0x0000000005C52000-memory.dmp

Filesize
584KB

Download
memory/1888-133-0x0000000005B60000-0x0000000005B6A000-memory.dmp

Filesize
40KB

Download
memory/1888-134-0x0000000009350000-0x00000000093EC000-memory.dmp

Filesize
624KB

Download
memory/4452-139-0x0000000000000000-mapping.dmp

Download
memory/4940-135-0x0000000000000000-mapping.dmp

Download
memory/4940-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4940-137-0x0000000006020000-0x0000000006086000-memory.dmp

Filesize
408KB

Download
memory/4940-138-0x0000000006E90000-0x0000000006EE0000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads