agenttesla | 4f9e6d626a2aa193431ca948dde9a3e526124f88dec8ed465ec7785d99368432

General

Target

Invoice.doc.exe
Size

860KB
MD5

6701efac5ff142914e5b353571045b83
SHA1

614b96a8c0f1f4732b5948b9ca8b8262edc9318a
SHA256

4f9e6d626a2aa193431ca948dde9a3e526124f88dec8ed465ec7785d99368432
SHA512

dad3059096af254b6e24a5f4d565de0c351093f50a58204195195e8e25f5b3818404ca49421e4f1e71a0b61da6d93a718079b6da01d2bee0d30a3cceef870c61

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.esquiresweaters.com
Port:
587
Username:
imam@esquiresweaters.com
Password:
Esquire@#2078

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
behavioral1/memory/1492-59-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1492-60-0x000000000043764E-mapping.dmp	family_agenttesla
behavioral1/memory/1492-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice.doc.exe

description pid process target process

PID 1080 set thread context of 1492 1080 Invoice.doc.exe Invoice.doc.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Invoice.doc.exe

pid process

1492 Invoice.doc.exe
1492 Invoice.doc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Invoice.doc.exe

description pid process

Token: SeDebugPrivilege 1492 Invoice.doc.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Invoice.doc.exe

pid process

1492 Invoice.doc.exe

description	pid	process	target process
PID 1080 set thread context of 1492	1080	Invoice.doc.exe	Invoice.doc.exe

pid	process
1492	Invoice.doc.exe
1492	Invoice.doc.exe

description	pid	process
Token: SeDebugPrivilege	1492	Invoice.doc.exe

pid	process
1492	Invoice.doc.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Invoice.doc.exe

description	pid	process	target process
PID 1080 wrote to memory of 1492	1080	Invoice.doc.exe	Invoice.doc.exe
PID 1080 wrote to memory of 1492	1080	Invoice.doc.exe	Invoice.doc.exe
PID 1080 wrote to memory of 1492	1080	Invoice.doc.exe	Invoice.doc.exe
PID 1080 wrote to memory of 1492	1080	Invoice.doc.exe	Invoice.doc.exe
PID 1080 wrote to memory of 1492	1080	Invoice.doc.exe	Invoice.doc.exe
PID 1080 wrote to memory of 1492	1080	Invoice.doc.exe	Invoice.doc.exe
PID 1080 wrote to memory of 1492	1080	Invoice.doc.exe	Invoice.doc.exe
PID 1080 wrote to memory of 1492	1080	Invoice.doc.exe	Invoice.doc.exe
PID 1080 wrote to memory of 1492	1080	Invoice.doc.exe	Invoice.doc.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.doc.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.doc.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1080

C:\Users\Admin\AppData\Local\Temp\Invoice.doc.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1492

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1080-53-0x0000000000C30000-0x0000000000C31000-memory.dmp

Filesize
4KB

Download
memory/1080-55-0x0000000004300000-0x0000000004301000-memory.dmp

Filesize
4KB

Download
memory/1080-56-0x0000000000460000-0x000000000046E000-memory.dmp

Filesize
56KB

Download
memory/1080-57-0x0000000005AE0000-0x0000000005B63000-memory.dmp

Filesize
524KB

Download
memory/1080-58-0x00000000009A0000-0x00000000009DC000-memory.dmp

Filesize
240KB

Download
memory/1492-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1492-60-0x000000000043764E-mapping.dmp

Download
memory/1492-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1492-63-0x00000000021F0000-0x00000000021F1000-memory.dmp

Filesize
4KB

Download
memory/1492-64-0x00000000021F1000-0x00000000021F2000-memory.dmp

Filesize
4KB

Download

Analysis

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