agenttesla | a3009b66e611127884db7d845017ace8c556820e757e97993abc312b62a11ecd

General

Target

a9dadf707b3c20c1921151d4d8bc2a98.exe
Size

520KB
MD5

a9dadf707b3c20c1921151d4d8bc2a98
SHA1

efbf7491ae45132e2d3bd7ca92200c69e1644bc5
SHA256

a3009b66e611127884db7d845017ace8c556820e757e97993abc312b62a11ecd
SHA512

f6090f2014a9f298c8d8d593d8a61733159c28992d9d19c6d4e70afa46a42d1c5f39b689c708e59af9f91f3d85893521e7e086d589118f6662ccefac892e75d1

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/1880-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1880-3-0x000000000044763E-mapping.dmp	family_agenttesla
behavioral1/memory/1880-4-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1880-5-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

a9dadf707b3c20c1921151d4d8bc2a98.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts a9dadf707b3c20c1921151d4d8bc2a98.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:

a9dadf707b3c20c1921151d4d8bc2a98.exe

description pid process target process

PID 1752 set thread context of 1880 1752 a9dadf707b3c20c1921151d4d8bc2a98.exe a9dadf707b3c20c1921151d4d8bc2a98.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

a9dadf707b3c20c1921151d4d8bc2a98.exea9dadf707b3c20c1921151d4d8bc2a98.exe

pid process

1752 a9dadf707b3c20c1921151d4d8bc2a98.exe
1880 a9dadf707b3c20c1921151d4d8bc2a98.exe
1880 a9dadf707b3c20c1921151d4d8bc2a98.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

a9dadf707b3c20c1921151d4d8bc2a98.exea9dadf707b3c20c1921151d4d8bc2a98.exe

description pid process

Token: SeDebugPrivilege 1752 a9dadf707b3c20c1921151d4d8bc2a98.exe
Token: SeDebugPrivilege 1880 a9dadf707b3c20c1921151d4d8bc2a98.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

a9dadf707b3c20c1921151d4d8bc2a98.exe

pid process

1880 a9dadf707b3c20c1921151d4d8bc2a98.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	a9dadf707b3c20c1921151d4d8bc2a98.exe

description	pid	process	target process
PID 1752 set thread context of 1880	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe

pid	process
1752	a9dadf707b3c20c1921151d4d8bc2a98.exe
1880	a9dadf707b3c20c1921151d4d8bc2a98.exe
1880	a9dadf707b3c20c1921151d4d8bc2a98.exe

description	pid	process
Token: SeDebugPrivilege	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe
Token: SeDebugPrivilege	1880	a9dadf707b3c20c1921151d4d8bc2a98.exe

pid	process
1880	a9dadf707b3c20c1921151d4d8bc2a98.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

a9dadf707b3c20c1921151d4d8bc2a98.exe

description	pid	process	target process
PID 1752 wrote to memory of 1888	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1888	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1888	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1888	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1880	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1880	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1880	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1880	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1880	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1880	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1880	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1880	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe
PID 1752 wrote to memory of 1880	1752	a9dadf707b3c20c1921151d4d8bc2a98.exe	a9dadf707b3c20c1921151d4d8bc2a98.exe

C:\Users\Admin\AppData\Local\Temp\a9dadf707b3c20c1921151d4d8bc2a98.exe
"C:\Users\Admin\AppData\Local\Temp\a9dadf707b3c20c1921151d4d8bc2a98.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Local\Temp\a9dadf707b3c20c1921151d4d8bc2a98.exe
"{path}"
2⤵
PID:1888

C:\Users\Admin\AppData\Local\Temp\a9dadf707b3c20c1921151d4d8bc2a98.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1880

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

Loading Replay Monitor...

Downloads

memory/1752-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1880-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1880-3-0x000000000044763E-mapping.dmp

Download
memory/1880-4-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1880-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing