agenttesla | 160e88f42b6a24d4a995142e7e6288f44bf85fbf1afcc0dd9ff4931bd9bc82f2

General

Target

wnrCLqWI1j9.exe
Size

648KB
MD5

62c080a8e9a46c40827ccf560a7ff489
SHA1

7e0ca441df2adbd4fcd8250033de92688e1f414a
SHA256

160e88f42b6a24d4a995142e7e6288f44bf85fbf1afcc0dd9ff4931bd9bc82f2
SHA512

cd1553ec064db5dbe3e6621cb846e369ee9f873b348205cd5ea418d3350935c79b2a471b6897b4f7511ffa373f5de454a2fdf4ef68b1a42c17265f2d2439633d

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.skibokshotell.no/
Port:
21
Username:
[email protected]
Password:
DUcDxxNTn3@248

Protocol: ftp
Host:
ftp://ftp.skibokshotell.no/
Port:
21
Username:
[email protected]
Password:
DUcDxxNTn3@248

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1104-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1104-3-0x000000000044763E-mapping.dmp	family_agenttesla
behavioral1/memory/1104-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1104-5-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

wnrCLqWI1j9.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts wnrCLqWI1j9.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

wnrCLqWI1j9.exe

description pid process target process

PID 1492 set thread context of 1104 1492 wnrCLqWI1j9.exe wnrCLqWI1j9.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

wnrCLqWI1j9.exe

pid process

1104 wnrCLqWI1j9.exe
1104 wnrCLqWI1j9.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

wnrCLqWI1j9.exe

description pid process

Token: SeDebugPrivilege 1104 wnrCLqWI1j9.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

wnrCLqWI1j9.exe

pid process

1104 wnrCLqWI1j9.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	wnrCLqWI1j9.exe

description	pid	process	target process
PID 1492 set thread context of 1104	1492	wnrCLqWI1j9.exe	wnrCLqWI1j9.exe

pid	process
1104	wnrCLqWI1j9.exe
1104	wnrCLqWI1j9.exe

description	pid	process
Token: SeDebugPrivilege	1104	wnrCLqWI1j9.exe

pid	process
1104	wnrCLqWI1j9.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

wnrCLqWI1j9.exe

description	pid	process	target process
PID 1492 wrote to memory of 1104	1492	wnrCLqWI1j9.exe	wnrCLqWI1j9.exe
PID 1492 wrote to memory of 1104	1492	wnrCLqWI1j9.exe	wnrCLqWI1j9.exe
PID 1492 wrote to memory of 1104	1492	wnrCLqWI1j9.exe	wnrCLqWI1j9.exe
PID 1492 wrote to memory of 1104	1492	wnrCLqWI1j9.exe	wnrCLqWI1j9.exe
PID 1492 wrote to memory of 1104	1492	wnrCLqWI1j9.exe	wnrCLqWI1j9.exe
PID 1492 wrote to memory of 1104	1492	wnrCLqWI1j9.exe	wnrCLqWI1j9.exe
PID 1492 wrote to memory of 1104	1492	wnrCLqWI1j9.exe	wnrCLqWI1j9.exe
PID 1492 wrote to memory of 1104	1492	wnrCLqWI1j9.exe	wnrCLqWI1j9.exe
PID 1492 wrote to memory of 1104	1492	wnrCLqWI1j9.exe	wnrCLqWI1j9.exe

C:\Users\Admin\AppData\Local\Temp\wnrCLqWI1j9.exe
"C:\Users\Admin\AppData\Local\Temp\wnrCLqWI1j9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1492

C:\Users\Admin\AppData\Local\Temp\wnrCLqWI1j9.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1104

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1104-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1104-3-0x000000000044763E-mapping.dmp

Download
memory/1104-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1104-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1492-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download

Analysis

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