agenttesla | 7a6ca5fc154848fb338acb8c6ed9643b99d94df75a198133cf779353a84014b1

General

Target

Order_0720PDF.exe
Size

708KB
MD5

bb74242d80d141d6314cf151c7db88db
SHA1

ed713dd9f9d036801b328ce98d66f76bfee3e19a
SHA256

7a6ca5fc154848fb338acb8c6ed9643b99d94df75a198133cf779353a84014b1
SHA512

220c444d9f1fd136f9db6650a1796bcdd8285de17400e8286814d5d0754f6bdb69d472d8bc2be32c78211e185bde9b4257629ac085fee415af9da9bf4bdff18a

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.solarcenter.ro/
Port:
21
Username:
[email protected]
Password:
RSv%AL{k~wATNN@ossyguru@00998877

Protocol: ftp
Host:
ftp://ftp.solarcenter.ro/
Port:
21
Username:
[email protected]
Password:
RSv%AL{k~wATNN@ossyguru@00998877

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/1840-4-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1840-5-0x000000000044C87E-mapping.dmp	family_agenttesla
behavioral1/memory/1840-7-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1840-8-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

RegAsm.exe

pid process

1840 RegAsm.exe
Loads dropped DLL 2 IoCs

Processes:

Order_0720PDF.exeRegAsm.exe

pid process

1668 Order_0720PDF.exe
1840 RegAsm.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:

Order_0720PDF.exe

description pid process target process

PID 1668 set thread context of 1840 1668 Order_0720PDF.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Order_0720PDF.exeRegAsm.exe

pid process

1668 Order_0720PDF.exe
1668 Order_0720PDF.exe
1668 Order_0720PDF.exe
1840 RegAsm.exe
1840 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Order_0720PDF.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1668 Order_0720PDF.exe
Token: SeDebugPrivilege 1840 RegAsm.exe

pid	process
1840	RegAsm.exe

pid	process
1668	Order_0720PDF.exe
1840	RegAsm.exe

description	pid	process	target process
PID 1668 set thread context of 1840	1668	Order_0720PDF.exe	RegAsm.exe

pid	process
1668	Order_0720PDF.exe
1668	Order_0720PDF.exe
1668	Order_0720PDF.exe
1840	RegAsm.exe
1840	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1668	Order_0720PDF.exe
Token: SeDebugPrivilege	1840	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Order_0720PDF.exeRegAsm.exe

description	pid	process	target process
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1668 wrote to memory of 1840	1668	Order_0720PDF.exe	RegAsm.exe
PID 1840 wrote to memory of 1544	1840	RegAsm.exe	netsh.exe
PID 1840 wrote to memory of 1544	1840	RegAsm.exe	netsh.exe
PID 1840 wrote to memory of 1544	1840	RegAsm.exe	netsh.exe
PID 1840 wrote to memory of 1544	1840	RegAsm.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\Order_0720PDF.exe
"C:\Users\Admin\AppData\Local\Temp\Order_0720PDF.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
"C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1840

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1544

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

C:\Users\Admin\AppData\Local\Temp\RegAsm.exe

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegAsm.exe

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
memory/1544-11-0x0000000000000000-mapping.dmp

Download
memory/1668-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download
memory/1840-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1840-5-0x000000000044C87E-mapping.dmp

Download
memory/1840-7-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1840-8-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

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