agenttesla | 9fd1365171b6855e5859a522a4642ae8c558e26ac2792a11b19a6a0ed8361c7b

General

Target

98650107.pdf.exe
Size

484KB
MD5

f59da0e1d30df4e697a8fd4e2a9d4837
SHA1

fdbdbf09813069562e861f324de8e3cdba80b9b0
SHA256

9fd1365171b6855e5859a522a4642ae8c558e26ac2792a11b19a6a0ed8361c7b
SHA512

2f08b0193cf1e865e0a71b8b4ab5657512f3df59652eaabaa9b748b77ac7a2005c5e834315fa8019137ac58b2bd58981c69b3c0707b69dd94b4f0854f6cd6a8f

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.orisinlog.com
Port:
587
Username:
03@orisinlog.com
Password:
0hA9YwHu0x

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2652-820-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/2652-821-0x000000000043775E-mapping.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

98650107.pdf.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts 98650107.pdf.exe
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
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	98650107.pdf.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

98650107.pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\""	98650107.pdf.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

16 api.ipify.org
17 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

98650107.pdf.exe

description pid process target process

PID 3636 set thread context of 2652 3636 98650107.pdf.exe 98650107.pdf.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

98650107.pdf.exe

pid process

2652 98650107.pdf.exe
2652 98650107.pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

98650107.pdf.exe98650107.pdf.exe

description pid process

Token: SeDebugPrivilege 3636 98650107.pdf.exe
Token: SeDebugPrivilege 2652 98650107.pdf.exe

flow	ioc
16	api.ipify.org
17	api.ipify.org

description	pid	process	target process
PID 3636 set thread context of 2652	3636	98650107.pdf.exe	98650107.pdf.exe

pid	process
2652	98650107.pdf.exe
2652	98650107.pdf.exe

description	pid	process
Token: SeDebugPrivilege	3636	98650107.pdf.exe
Token: SeDebugPrivilege	2652	98650107.pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

98650107.pdf.exe

description	pid	process	target process
PID 3636 wrote to memory of 2652	3636	98650107.pdf.exe	98650107.pdf.exe
PID 3636 wrote to memory of 2652	3636	98650107.pdf.exe	98650107.pdf.exe
PID 3636 wrote to memory of 2652	3636	98650107.pdf.exe	98650107.pdf.exe
PID 3636 wrote to memory of 2652	3636	98650107.pdf.exe	98650107.pdf.exe
PID 3636 wrote to memory of 2652	3636	98650107.pdf.exe	98650107.pdf.exe
PID 3636 wrote to memory of 2652	3636	98650107.pdf.exe	98650107.pdf.exe
PID 3636 wrote to memory of 2652	3636	98650107.pdf.exe	98650107.pdf.exe
PID 3636 wrote to memory of 2652	3636	98650107.pdf.exe	98650107.pdf.exe

C:\Users\Admin\AppData\Local\Temp\98650107.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\98650107.pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3636

C:\Users\Admin\AppData\Local\Temp\98650107.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\98650107.pdf.exe"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

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

Exfiltration

Command and Control

Impact

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Downloads

memory/2652-820-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2652-827-0x00000000059C0000-0x00000000059C1000-memory.dmp

Filesize
4KB

Download
memory/2652-826-0x0000000005710000-0x0000000005711000-memory.dmp

Filesize
4KB

Download
memory/2652-822-0x0000000073CA0000-0x000000007438E000-memory.dmp

Filesize
6.9MB

Download
memory/2652-821-0x000000000043775E-mapping.dmp

Download
memory/3636-816-0x0000000019800000-0x0000000019801000-memory.dmp

Filesize
4KB

Download
memory/3636-0-0x0000000073CA0000-0x000000007438E000-memory.dmp

Filesize
6.9MB

Download
memory/3636-817-0x00000000197D0000-0x00000000197D1000-memory.dmp

Filesize
4KB

Download
memory/3636-818-0x0000000019940000-0x0000000019941000-memory.dmp

Filesize
4KB

Download
memory/3636-819-0x000000001A720000-0x000000001A736000-memory.dmp

Filesize
88KB

Download
memory/3636-6-0x0000000008BD0000-0x0000000008C1E000-memory.dmp

Filesize
312KB

Download
memory/3636-5-0x0000000005420000-0x0000000005421000-memory.dmp

Filesize
4KB

Download
memory/3636-4-0x0000000005480000-0x0000000005481000-memory.dmp

Filesize
4KB

Download
memory/3636-3-0x00000000058E0000-0x00000000058E1000-memory.dmp

Filesize
4KB

Download
memory/3636-1-0x0000000000B70000-0x0000000000B71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads