agenttesla | e3b438339a4ce2dba793223d9448b8c597080daaaf63bdd94a79079b78cf2fcf

General

Target

e3b43833.exe
Size

800KB
MD5

c2ce115eece7c53ec5b202a0bd4d1778
SHA1

8cbb0836da268c35d2ad2691edaa4252134e21af
SHA256

e3b438339a4ce2dba793223d9448b8c597080daaaf63bdd94a79079b78cf2fcf
SHA512

a1c377449ce676685d30cc5f2cb3fb8c5d78d4c63986003ecc78fae5f2e8c8a77393c03c8bdd83a542a38ba204c297ffc2e9ca74f68424d2cedd71117a462e81

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.penavico--cz.com
Port:
587
Username:
ops@penavico--cz.com
Password:
Fq$L%J((!6

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/608-129-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/608-130-0x0000000000436A8E-mapping.dmp	family_agenttesla

Nirsoft 5 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe	Nirsoft

Executes dropped EXE 4 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exe

pid process

3232 AdvancedRun.exe
1872 AdvancedRun.exe
3428 AdvancedRun.exe
1420 AdvancedRun.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

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 stealer

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 stealer

Data from Local System
T1005

Credentials in Files
T1081

pid	process
3232	AdvancedRun.exe
1872	AdvancedRun.exe
3428	AdvancedRun.exe
1420	AdvancedRun.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

e3b43833.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3b43833.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3b43833.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3b43833.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

e3b43833.exe

description pid process target process

PID 3812 set thread context of 608 3812 e3b43833.exe e3b43833.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 3812 set thread context of 608	3812	e3b43833.exe	e3b43833.exe

Suspicious behavior: EnumeratesProcesses 21 IoCs

Processes:

e3b43833.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exee3b43833.exe

pid	process
3812	e3b43833.exe
3232	AdvancedRun.exe
3232	AdvancedRun.exe
3232	AdvancedRun.exe
3232	AdvancedRun.exe
1872	AdvancedRun.exe
1872	AdvancedRun.exe
1872	AdvancedRun.exe
1872	AdvancedRun.exe
3428	AdvancedRun.exe
3428	AdvancedRun.exe
3428	AdvancedRun.exe
3428	AdvancedRun.exe
1420	AdvancedRun.exe
1420	AdvancedRun.exe
1420	AdvancedRun.exe
1420	AdvancedRun.exe
3812	e3b43833.exe
3812	e3b43833.exe
608	e3b43833.exe
608	e3b43833.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

e3b43833.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exeAdvancedRun.exee3b43833.exe

description	pid	process
Token: SeDebugPrivilege	3812	e3b43833.exe
Token: SeDebugPrivilege	3232	AdvancedRun.exe
Token: SeImpersonatePrivilege	3232	AdvancedRun.exe
Token: SeDebugPrivilege	1872	AdvancedRun.exe
Token: SeImpersonatePrivilege	1872	AdvancedRun.exe
Token: SeDebugPrivilege	3428	AdvancedRun.exe
Token: SeImpersonatePrivilege	3428	AdvancedRun.exe
Token: SeDebugPrivilege	1420	AdvancedRun.exe
Token: SeImpersonatePrivilege	1420	AdvancedRun.exe
Token: SeDebugPrivilege	608	e3b43833.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

e3b43833.exeAdvancedRun.exeAdvancedRun.exe

description	pid	process	target process
PID 3812 wrote to memory of 3232	3812	e3b43833.exe	AdvancedRun.exe
PID 3812 wrote to memory of 3232	3812	e3b43833.exe	AdvancedRun.exe
PID 3812 wrote to memory of 3232	3812	e3b43833.exe	AdvancedRun.exe
PID 3232 wrote to memory of 1872	3232	AdvancedRun.exe	AdvancedRun.exe
PID 3232 wrote to memory of 1872	3232	AdvancedRun.exe	AdvancedRun.exe
PID 3232 wrote to memory of 1872	3232	AdvancedRun.exe	AdvancedRun.exe
PID 3812 wrote to memory of 3428	3812	e3b43833.exe	AdvancedRun.exe
PID 3812 wrote to memory of 3428	3812	e3b43833.exe	AdvancedRun.exe
PID 3812 wrote to memory of 3428	3812	e3b43833.exe	AdvancedRun.exe
PID 3428 wrote to memory of 1420	3428	AdvancedRun.exe	AdvancedRun.exe
PID 3428 wrote to memory of 1420	3428	AdvancedRun.exe	AdvancedRun.exe
PID 3428 wrote to memory of 1420	3428	AdvancedRun.exe	AdvancedRun.exe
PID 3812 wrote to memory of 608	3812	e3b43833.exe	e3b43833.exe
PID 3812 wrote to memory of 608	3812	e3b43833.exe	e3b43833.exe
PID 3812 wrote to memory of 608	3812	e3b43833.exe	e3b43833.exe
PID 3812 wrote to memory of 608	3812	e3b43833.exe	e3b43833.exe
PID 3812 wrote to memory of 608	3812	e3b43833.exe	e3b43833.exe
PID 3812 wrote to memory of 608	3812	e3b43833.exe	e3b43833.exe
PID 3812 wrote to memory of 608	3812	e3b43833.exe	e3b43833.exe
PID 3812 wrote to memory of 608	3812	e3b43833.exe	e3b43833.exe

outlook_office_path 1 IoCs

Processes:

e3b43833.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3b43833.exe

outlook_win_path 1 IoCs

Processes:

e3b43833.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3b43833.exe

C:\Users\Admin\AppData\Local\Temp\e3b43833.exe
"C:\Users\Admin\AppData\Local\Temp\e3b43833.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3812

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\sc.exe" /WindowState 0 /CommandLine "stop WinDefend" /StartDirectory "" /RunAs 8 /Run
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3232

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 3232
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1872

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /EXEFilename "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" /WindowState 0 /CommandLine "rmdir 'C:\ProgramData\Microsoft\Windows Defender' -Recurse" /StartDirectory "" /RunAs 8 /Run
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3428

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 3428
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1420

C:\Users\Admin\AppData\Local\Temp\e3b43833.exe
C:\Users\Admin\AppData\Local\Temp\e3b43833.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:608

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e3b43833.exe.log
MD5
605f809fab8c19729d39d075f7ffdb53

SHA1
c546f877c9bd53563174a90312a8337fdfc5fdd9

SHA256
6904d540649e76c55f99530b81be17e099184bb4cad415aa9b9b39cc3677f556

SHA512
82cc12c3186ae23884b8d5c104638c8206272c4389ade56b926dfc1d437b03888159b3c790b188b54d277a262e731927e703e680ea642e1417faee27443fd5b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
memory/608-135-0x0000000005690000-0x0000000005691000-memory.dmp

Filesize
4KB

Download
memory/608-129-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/608-130-0x0000000000436A8E-mapping.dmp

Download
memory/608-140-0x0000000001370000-0x0000000001371000-memory.dmp

Filesize
4KB

Download
memory/608-139-0x0000000006630000-0x0000000006631000-memory.dmp

Filesize
4KB

Download
memory/608-138-0x0000000006230000-0x0000000006231000-memory.dmp

Filesize
4KB

Download
memory/608-137-0x0000000006190000-0x0000000006191000-memory.dmp

Filesize
4KB

Download
memory/608-134-0x0000000005A30000-0x0000000005A31000-memory.dmp

Filesize
4KB

Download
memory/608-136-0x0000000005400000-0x0000000005401000-memory.dmp

Filesize
4KB

Download
memory/1420-127-0x0000000000000000-mapping.dmp

Download
memory/1872-123-0x0000000000000000-mapping.dmp

Download
memory/3232-119-0x0000000000000000-mapping.dmp

Download
memory/3428-125-0x0000000000000000-mapping.dmp

Download
memory/3812-115-0x0000000000710000-0x0000000000711000-memory.dmp

Filesize
4KB

Download
memory/3812-121-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

Filesize
4KB

Download
memory/3812-118-0x0000000002A60000-0x0000000002A84000-memory.dmp

Filesize
144KB

Download
memory/3812-117-0x0000000005050000-0x00000000050EB000-memory.dmp

Filesize
620KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads