agenttesla | b3bf1c568dfbb2a1af09b07eb0a7aff6e2d7addbf3c51e4c6850ebc96afd103e

General

Target

Paid Invoice.exe
Size

940KB
MD5

bde63b59d82e03cea80de443c6738c6f
SHA1

34e77df4e37a23a8c45f9b9a62a938d756add173
SHA256

b3bf1c568dfbb2a1af09b07eb0a7aff6e2d7addbf3c51e4c6850ebc96afd103e
SHA512

f1e68b492747884786996bec97214fb4a126444dc4928803cecfa7f0a716fa29c822f76eeff41d7b7ca164cde4b24a70e45aecdf8c8b9ff1d1cabd3800b6850d

Score

10^/10

spyware keylogger trojan stealer agenttesla

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
Blessing123

Signatures

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

Data from Local System
T1005

Credentials in Files
T1081
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Paid Invoice.exe

description	pid	process	target process
PID 3892 wrote to memory of 2508	3892	Paid Invoice.exe	Paid Invoice.exe
PID 3892 wrote to memory of 2508	3892	Paid Invoice.exe	Paid Invoice.exe
PID 3892 wrote to memory of 2508	3892	Paid Invoice.exe	Paid Invoice.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

Paid Invoice.exe

pid process

3892 Paid Invoice.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Paid Invoice.exe

description pid process

Token: SeDebugPrivilege 2508 Paid Invoice.exe

pid	process
3892	Paid Invoice.exe

description	pid	process
Token: SeDebugPrivilege	2508	Paid Invoice.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

Processes:

resource	yara_rule
behavioral2/memory/2508-0-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral2/memory/2508-2-0x0000000000400000-0x00000000004A4000-memory.dmp	upx
behavioral2/memory/2508-3-0x0000000000400000-0x00000000004A4000-memory.dmp	upx

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Paid Invoice.exePaid Invoice.exe

pid process

3892 Paid Invoice.exe
3892 Paid Invoice.exe
2508 Paid Invoice.exe
2508 Paid Invoice.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Paid Invoice.exe

description pid process target process

PID 3892 set thread context of 2508 3892 Paid Invoice.exe Paid Invoice.exe

pid	process
3892	Paid Invoice.exe
3892	Paid Invoice.exe
2508	Paid Invoice.exe
2508	Paid Invoice.exe

description	pid	process	target process
PID 3892 set thread context of 2508	3892	Paid Invoice.exe	Paid Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Paid Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Paid Invoice.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
PID:3892

C:\Users\Admin\AppData\Local\Temp\Paid Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Paid Invoice.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:2508

Network

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/2508-0-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2508-1-0x00000000004A2760-mapping.dmp

Download
memory/2508-2-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2508-3-0x0000000000400000-0x00000000004A4000-memory.dmp

Filesize
656KB

Download
memory/2508-4-0x0000000002170000-0x00000000021BC000-memory.dmp

Filesize
304KB

Download
memory/2508-5-0x00000000020C2000-0x00000000020C3000-memory.dmp

Filesize
4KB

Download

Analysis

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