agenttesla | e3b438339a4ce2dba793223d9448b8c597080daaaf63bdd94a79079b78cf2fcf

Analysis

max time kernel
141s
max time network
125s
platform
windows7_x64
resource
win7-en-20210920
submitted
23-10-2021 08:37

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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 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1556-82-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1556-83-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1556-84-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1556-85-0x0000000000436A8E-mapping.dmp	family_agenttesla
behavioral1/memory/1556-86-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Nirsoft 13 IoCs

Processes:

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

564 AdvancedRun.exe
1624 AdvancedRun.exe
812 AdvancedRun.exe
1872 AdvancedRun.exe
Loads dropped DLL 8 IoCs

Processes:

e3b43833.exeAdvancedRun.exeAdvancedRun.exe

pid process

1920 e3b43833.exe
1920 e3b43833.exe
564 AdvancedRun.exe
564 AdvancedRun.exe
1920 e3b43833.exe
1920 e3b43833.exe
812 AdvancedRun.exe
812 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
564	AdvancedRun.exe
1624	AdvancedRun.exe
812	AdvancedRun.exe
1872	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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3b43833.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e3b43833.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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 1920 set thread context of 1556 1920 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 1920 set thread context of 1556	1920	e3b43833.exe	e3b43833.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

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

pid	process
1920	e3b43833.exe
564	AdvancedRun.exe
564	AdvancedRun.exe
1624	AdvancedRun.exe
1624	AdvancedRun.exe
812	AdvancedRun.exe
812	AdvancedRun.exe
1872	AdvancedRun.exe
1872	AdvancedRun.exe
1920	e3b43833.exe
1556	e3b43833.exe
1556	e3b43833.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

Processes:

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

description	pid	process
Token: SeDebugPrivilege	1920	e3b43833.exe
Token: SeDebugPrivilege	564	AdvancedRun.exe
Token: SeImpersonatePrivilege	564	AdvancedRun.exe
Token: SeDebugPrivilege	1624	AdvancedRun.exe
Token: SeImpersonatePrivilege	1624	AdvancedRun.exe
Token: SeDebugPrivilege	812	AdvancedRun.exe
Token: SeImpersonatePrivilege	812	AdvancedRun.exe
Token: SeDebugPrivilege	1872	AdvancedRun.exe
Token: SeImpersonatePrivilege	1872	AdvancedRun.exe
Token: SeDebugPrivilege	1556	e3b43833.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

e3b43833.exeAdvancedRun.exeAdvancedRun.exe

description	pid	process	target process
PID 1920 wrote to memory of 564	1920	e3b43833.exe	AdvancedRun.exe
PID 1920 wrote to memory of 564	1920	e3b43833.exe	AdvancedRun.exe
PID 1920 wrote to memory of 564	1920	e3b43833.exe	AdvancedRun.exe
PID 1920 wrote to memory of 564	1920	e3b43833.exe	AdvancedRun.exe
PID 564 wrote to memory of 1624	564	AdvancedRun.exe	AdvancedRun.exe
PID 564 wrote to memory of 1624	564	AdvancedRun.exe	AdvancedRun.exe
PID 564 wrote to memory of 1624	564	AdvancedRun.exe	AdvancedRun.exe
PID 564 wrote to memory of 1624	564	AdvancedRun.exe	AdvancedRun.exe
PID 1920 wrote to memory of 812	1920	e3b43833.exe	AdvancedRun.exe
PID 1920 wrote to memory of 812	1920	e3b43833.exe	AdvancedRun.exe
PID 1920 wrote to memory of 812	1920	e3b43833.exe	AdvancedRun.exe
PID 1920 wrote to memory of 812	1920	e3b43833.exe	AdvancedRun.exe
PID 812 wrote to memory of 1872	812	AdvancedRun.exe	AdvancedRun.exe
PID 812 wrote to memory of 1872	812	AdvancedRun.exe	AdvancedRun.exe
PID 812 wrote to memory of 1872	812	AdvancedRun.exe	AdvancedRun.exe
PID 812 wrote to memory of 1872	812	AdvancedRun.exe	AdvancedRun.exe
PID 1920 wrote to memory of 1556	1920	e3b43833.exe	e3b43833.exe
PID 1920 wrote to memory of 1556	1920	e3b43833.exe	e3b43833.exe
PID 1920 wrote to memory of 1556	1920	e3b43833.exe	e3b43833.exe
PID 1920 wrote to memory of 1556	1920	e3b43833.exe	e3b43833.exe
PID 1920 wrote to memory of 1556	1920	e3b43833.exe	e3b43833.exe
PID 1920 wrote to memory of 1556	1920	e3b43833.exe	e3b43833.exe
PID 1920 wrote to memory of 1556	1920	e3b43833.exe	e3b43833.exe
PID 1920 wrote to memory of 1556	1920	e3b43833.exe	e3b43833.exe
PID 1920 wrote to memory of 1556	1920	e3b43833.exe	e3b43833.exe

outlook_office_path 1 IoCs

Processes:

e3b43833.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\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⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1920

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
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:564

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 564
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1624

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
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:812

C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\AdvancedRun.exe" /SpecialRun 4101d8 812
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1872

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:1556

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

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Downloads

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
\Users\Admin\AppData\Local\Temp\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

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

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

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

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

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

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

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

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

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

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

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

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

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

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
memory/564-62-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

Download
memory/564-60-0x0000000000000000-mapping.dmp

Download
memory/812-72-0x0000000000000000-mapping.dmp

Download
memory/1556-83-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1556-84-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1556-88-0x0000000004AD0000-0x0000000004AD1000-memory.dmp

Filesize
4KB

Download
memory/1556-86-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1556-85-0x0000000000436A8E-mapping.dmp

Download
memory/1556-82-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1556-80-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1556-81-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1624-67-0x0000000000000000-mapping.dmp

Download
memory/1872-77-0x0000000000000000-mapping.dmp

Download
memory/1920-56-0x00000000048D0000-0x000000000496B000-memory.dmp

Filesize
620KB

Download
memory/1920-63-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/1920-57-0x00000000005C0000-0x00000000005E4000-memory.dmp

Filesize
144KB

Download
memory/1920-54-0x0000000000D70000-0x0000000000D71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads