agenttesla | 0b28e11377a023f06d0cf8035e3b2146192004b32e1d0079d01a4958b639eb0d

General

Target

DHL0117389200183PDF.exe
Size

694KB
MD5

54c61c56674b4454fd32e775f81bd278
SHA1

a92461392621be1c194df73a1566c32aae0bbd93
SHA256

0b28e11377a023f06d0cf8035e3b2146192004b32e1d0079d01a4958b639eb0d
SHA512

7a6d9959728a5ff97249fe5a561b54635a740039cac26178c84ee07e0cce86730d1a1583810750574309905454f63915a8164ee70a882627284d22f36af2614d

Score

10^/10

agenttesla keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

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

Protocol: ftp
Host:
ftp://ftp.solarcenter.ro/
Port:
21
Username:
webmaster@solarcenter.ro
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/324-4-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/324-5-0x000000000044C87E-mapping.dmp	family_agenttesla
behavioral1/memory/324-7-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/324-8-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

Processes:

RegAsm.exe

pid process

324 RegAsm.exe
Loads dropped DLL 2 IoCs

Processes:

DHL0117389200183PDF.exeRegAsm.exe

pid process

1492 DHL0117389200183PDF.exe
324 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:

DHL0117389200183PDF.exe

description pid process target process

PID 1492 set thread context of 324 1492 DHL0117389200183PDF.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

DHL0117389200183PDF.exeRegAsm.exe

pid process

1492 DHL0117389200183PDF.exe
1492 DHL0117389200183PDF.exe
1492 DHL0117389200183PDF.exe
324 RegAsm.exe
324 RegAsm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DHL0117389200183PDF.exeRegAsm.exe

description pid process

Token: SeDebugPrivilege 1492 DHL0117389200183PDF.exe
Token: SeDebugPrivilege 324 RegAsm.exe

pid	process
324	RegAsm.exe

pid	process
1492	DHL0117389200183PDF.exe
324	RegAsm.exe

description	pid	process	target process
PID 1492 set thread context of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe

pid	process
1492	DHL0117389200183PDF.exe
1492	DHL0117389200183PDF.exe
1492	DHL0117389200183PDF.exe
324	RegAsm.exe
324	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	1492	DHL0117389200183PDF.exe
Token: SeDebugPrivilege	324	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

DHL0117389200183PDF.exeRegAsm.exe

description	pid	process	target process
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 1492 wrote to memory of 324	1492	DHL0117389200183PDF.exe	RegAsm.exe
PID 324 wrote to memory of 1952	324	RegAsm.exe	netsh.exe
PID 324 wrote to memory of 1952	324	RegAsm.exe	netsh.exe
PID 324 wrote to memory of 1952	324	RegAsm.exe	netsh.exe
PID 324 wrote to memory of 1952	324	RegAsm.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\DHL0117389200183PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DHL0117389200183PDF.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492

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:324

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1952

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

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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/324-4-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/324-5-0x000000000044C87E-mapping.dmp

Download
memory/324-7-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/324-8-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

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

Download
memory/1952-11-0x0000000000000000-mapping.dmp

Download

Analysis

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