agenttesla | 2f13f6e9fee8ddc78cf064f255b4885dbf51f69b029648e21a2f24973467fc19

Analysis

max time kernel
129s
max time network
41s
platform
windows7_x64
resource
win7v20210410
submitted
25-07-2021 23:28

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General

Target

payment receipt.pdf.exe
Size

863KB
MD5

0353af1ae14e14bf804fb78a04ae8f42
SHA1

250aa0d3f7b16d7ff122f8ad16febb9213074676
SHA256

746073d0f2958ace46267fa4ed5badc249b7e3a55d76c2b230c0a8b457caf6a5
SHA512

e72a7a3924b024edf190dbecf6d1466635093b9e6e366b8d283d71c8720707f989507322fb1bea3011fb4384ab69e88dddc61f1544cf0799e3bac693bc56c133

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.vivaldi.net
Port:
587
Username:
clintongodgracelog@vivaldi.net
Password:
858540506070

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
behavioral19/memory/932-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral19/memory/932-68-0x000000000043761E-mapping.dmp	family_agenttesla
behavioral19/memory/932-69-0x0000000000400000-0x000000000043C000-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:

payment receipt.pdf.exe

description pid process target process

PID 840 set thread context of 932 840 payment receipt.pdf.exe payment receipt.pdf.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

payment receipt.pdf.exe

pid process

932 payment receipt.pdf.exe
932 payment receipt.pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

payment receipt.pdf.exe

description pid process

Token: SeDebugPrivilege 932 payment receipt.pdf.exe

description	pid	process	target process
PID 840 set thread context of 932	840	payment receipt.pdf.exe	payment receipt.pdf.exe

pid	process
932	payment receipt.pdf.exe
932	payment receipt.pdf.exe

description	pid	process
Token: SeDebugPrivilege	932	payment receipt.pdf.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

payment receipt.pdf.exe

description	pid	process	target process
PID 840 wrote to memory of 932	840	payment receipt.pdf.exe	payment receipt.pdf.exe
PID 840 wrote to memory of 932	840	payment receipt.pdf.exe	payment receipt.pdf.exe
PID 840 wrote to memory of 932	840	payment receipt.pdf.exe	payment receipt.pdf.exe
PID 840 wrote to memory of 932	840	payment receipt.pdf.exe	payment receipt.pdf.exe
PID 840 wrote to memory of 932	840	payment receipt.pdf.exe	payment receipt.pdf.exe
PID 840 wrote to memory of 932	840	payment receipt.pdf.exe	payment receipt.pdf.exe
PID 840 wrote to memory of 932	840	payment receipt.pdf.exe	payment receipt.pdf.exe
PID 840 wrote to memory of 932	840	payment receipt.pdf.exe	payment receipt.pdf.exe
PID 840 wrote to memory of 932	840	payment receipt.pdf.exe	payment receipt.pdf.exe

C:\Users\Admin\AppData\Local\Temp\payment receipt.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\payment receipt.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:840

C:\Users\Admin\AppData\Local\Temp\payment receipt.pdf.exe
"{path}"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:932

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/840-60-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

Filesize
4KB

Download
memory/840-62-0x0000000000710000-0x0000000000761000-memory.dmp

Filesize
324KB

Download
memory/840-63-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/840-64-0x00000000003D0000-0x00000000003D2000-memory.dmp

Filesize
8KB

Download
memory/840-65-0x00000000063B0000-0x0000000006423000-memory.dmp

Filesize
460KB

Download
memory/840-66-0x00000000007C0000-0x00000000007F8000-memory.dmp

Filesize
224KB

Download
memory/932-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/932-68-0x000000000043761E-mapping.dmp

Download
memory/932-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/932-71-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/932-72-0x00000000003A1000-0x00000000003A2000-memory.dmp

Filesize
4KB

Download