agenttesla | d1248b99698d1efcfddacc89384b3df62e8dce35251d7a96dbb13cd31b30f853

General

Target

purchase_order T&B19-20PO128.pdf.exe
Size

539KB
MD5

9eec1064506c06de9bbaf14f53b7c5d3
SHA1

496020ae9f009e860cc34e4f7f589752205d0d5a
SHA256

d1248b99698d1efcfddacc89384b3df62e8dce35251d7a96dbb13cd31b30f853
SHA512

045cce9c17fd98029965655140ce795be9f50d9273c0d95302f3b78d4a0712996ce751c7e62ddf5b49582e515b1c2b645a08b91f04aa6a9b69b5db868bdb5e87
SSDEEP

12288:ncXeKbnWfOOCA+YzSFzRqoYv4MP7r9r/+ppppppppppppppppppppppppppppp0G:nPVC7Bzu1q

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
webmaster
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

3 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

purchase_order T&B19-20PO128.pdf.exe

description pid process target process

PID 4548 set thread context of 3196 4548 purchase_order T&B19-20PO128.pdf.exe purchase_order T&B19-20PO128.pdf.exe

flow	ioc
3	api.ipify.org

description	pid	process	target process
PID 4548 set thread context of 3196	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

purchase_order T&B19-20PO128.pdf.exepurchase_order T&B19-20PO128.pdf.exe

pid	process
4548	purchase_order T&B19-20PO128.pdf.exe
4548	purchase_order T&B19-20PO128.pdf.exe
3196	purchase_order T&B19-20PO128.pdf.exe
3196	purchase_order T&B19-20PO128.pdf.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

purchase_order T&B19-20PO128.pdf.exepurchase_order T&B19-20PO128.pdf.exe

description pid process

Token: SeDebugPrivilege 4548 purchase_order T&B19-20PO128.pdf.exe
Token: SeDebugPrivilege 3196 purchase_order T&B19-20PO128.pdf.exe

description	pid	process
Token: SeDebugPrivilege	4548	purchase_order T&B19-20PO128.pdf.exe
Token: SeDebugPrivilege	3196	purchase_order T&B19-20PO128.pdf.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

purchase_order T&B19-20PO128.pdf.exe

description	pid	process	target process
PID 4548 wrote to memory of 264	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 4548 wrote to memory of 264	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 4548 wrote to memory of 264	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 4548 wrote to memory of 3196	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 4548 wrote to memory of 3196	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 4548 wrote to memory of 3196	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 4548 wrote to memory of 3196	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 4548 wrote to memory of 3196	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 4548 wrote to memory of 3196	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 4548 wrote to memory of 3196	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe
PID 4548 wrote to memory of 3196	4548	purchase_order T&B19-20PO128.pdf.exe	purchase_order T&B19-20PO128.pdf.exe

C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4548

C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe"
2⤵
PID:264

C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\purchase_order T&B19-20PO128.pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3196

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/3196-8-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/3196-16-0x0000000004E50000-0x0000000004E60000-memory.dmp

Filesize
64KB

Download
memory/3196-15-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/3196-14-0x00000000067D0000-0x000000000686C000-memory.dmp

Filesize
624KB

Download
memory/3196-13-0x00000000066E0000-0x0000000006730000-memory.dmp

Filesize
320KB

Download
memory/3196-11-0x0000000005010000-0x0000000005076000-memory.dmp

Filesize
408KB

Download
memory/3196-10-0x0000000004E50000-0x0000000004E60000-memory.dmp

Filesize
64KB

Download
memory/3196-9-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4548-4-0x00000000056B0000-0x00000000056C0000-memory.dmp

Filesize
64KB

Download
memory/4548-7-0x0000000005450000-0x000000000545A000-memory.dmp

Filesize
40KB

Download
memory/4548-6-0x0000000005630000-0x0000000005684000-memory.dmp

Filesize
336KB

Download
memory/4548-5-0x0000000005460000-0x000000000546A000-memory.dmp

Filesize
40KB

Download
memory/4548-12-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download
memory/4548-0-0x00000000009F0000-0x0000000000A7C000-memory.dmp

Filesize
560KB

Download
memory/4548-3-0x00000000054A0000-0x0000000005532000-memory.dmp

Filesize
584KB

Download
memory/4548-2-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/4548-1-0x0000000074790000-0x0000000074F40000-memory.dmp

Filesize
7.7MB

Download

Analysis

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