agenttesla | 3bd10fdcd514105604f4591b533edb8999864cf3bc700b9494f5a43721b0d219

General

Target

Vessel Particulars - MV Magsenger 12.exe
Size

770KB
MD5

545eaa55c962df648708bb0bb01bcb28
SHA1

39e0c699f9bd668dc65561aef01451deeb41b073
SHA256

138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef
SHA512

4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb

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:
[email protected]
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 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2028-59-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2028-60-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2028-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2028-62-0x0000000000436A8E-mapping.dmp	family_agenttesla
behavioral1/memory/2028-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1396-80-0x0000000000436A8E-mapping.dmp	family_agenttesla
behavioral1/memory/1100-97-0x0000000000436A8E-mapping.dmp	family_agenttesla

Executes dropped EXE 4 IoCs

Processes:

rb57.exerb57.exerb57.exerb57.exe

pid process

964 rb57.exe
1396 rb57.exe
1200 rb57.exe
1100 rb57.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
964	rb57.exe
1396	rb57.exe
1200	rb57.exe
1100	rb57.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Vessel Particulars - MV Magsenger 12.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars - MV Magsenger 12.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars - MV Magsenger 12.exe
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars - MV Magsenger 12.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Vessel Particulars - MV Magsenger 12.exerb57.exerb57.exe

description	pid	process	target process
PID 1108 set thread context of 2028	1108	Vessel Particulars - MV Magsenger 12.exe	Vessel Particulars - MV Magsenger 12.exe
PID 964 set thread context of 1396	964	rb57.exe	rb57.exe
PID 1200 set thread context of 1100	1200	rb57.exe	rb57.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

1188 schtasks.exe
1724 schtasks.exe
1120 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Vessel Particulars - MV Magsenger 12.exerb57.exerb57.exe

pid process

2028 Vessel Particulars - MV Magsenger 12.exe
2028 Vessel Particulars - MV Magsenger 12.exe
1396 rb57.exe
1396 rb57.exe
1100 rb57.exe
1100 rb57.exe

pid	process
1188	schtasks.exe
1724	schtasks.exe
1120	schtasks.exe

pid	process
2028	Vessel Particulars - MV Magsenger 12.exe
2028	Vessel Particulars - MV Magsenger 12.exe
1396	rb57.exe
1396	rb57.exe
1100	rb57.exe
1100	rb57.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Vessel Particulars - MV Magsenger 12.exeVessel Particulars - MV Magsenger 12.exerb57.exerb57.exerb57.exerb57.exe

description	pid	process
Token: SeDebugPrivilege	1108	Vessel Particulars - MV Magsenger 12.exe
Token: SeDebugPrivilege	2028	Vessel Particulars - MV Magsenger 12.exe
Token: SeDebugPrivilege	964	rb57.exe
Token: SeDebugPrivilege	1396	rb57.exe
Token: SeDebugPrivilege	1200	rb57.exe
Token: SeDebugPrivilege	1100	rb57.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Vessel Particulars - MV Magsenger 12.execmd.exetaskeng.exerb57.execmd.exerb57.execmd.exe

description	pid	process	target process
PID 1108 wrote to memory of 2028	1108	Vessel Particulars - MV Magsenger 12.exe	Vessel Particulars - MV Magsenger 12.exe
PID 1108 wrote to memory of 2028	1108	Vessel Particulars - MV Magsenger 12.exe	Vessel Particulars - MV Magsenger 12.exe
PID 1108 wrote to memory of 2028	1108	Vessel Particulars - MV Magsenger 12.exe	Vessel Particulars - MV Magsenger 12.exe
PID 1108 wrote to memory of 2028	1108	Vessel Particulars - MV Magsenger 12.exe	Vessel Particulars - MV Magsenger 12.exe
PID 1108 wrote to memory of 2028	1108	Vessel Particulars - MV Magsenger 12.exe	Vessel Particulars - MV Magsenger 12.exe
PID 1108 wrote to memory of 2028	1108	Vessel Particulars - MV Magsenger 12.exe	Vessel Particulars - MV Magsenger 12.exe
PID 1108 wrote to memory of 2028	1108	Vessel Particulars - MV Magsenger 12.exe	Vessel Particulars - MV Magsenger 12.exe
PID 1108 wrote to memory of 2028	1108	Vessel Particulars - MV Magsenger 12.exe	Vessel Particulars - MV Magsenger 12.exe
PID 1108 wrote to memory of 2028	1108	Vessel Particulars - MV Magsenger 12.exe	Vessel Particulars - MV Magsenger 12.exe
PID 1108 wrote to memory of 560	1108	Vessel Particulars - MV Magsenger 12.exe	cmd.exe
PID 1108 wrote to memory of 560	1108	Vessel Particulars - MV Magsenger 12.exe	cmd.exe
PID 1108 wrote to memory of 560	1108	Vessel Particulars - MV Magsenger 12.exe	cmd.exe
PID 1108 wrote to memory of 560	1108	Vessel Particulars - MV Magsenger 12.exe	cmd.exe
PID 1108 wrote to memory of 936	1108	Vessel Particulars - MV Magsenger 12.exe	cmd.exe
PID 1108 wrote to memory of 936	1108	Vessel Particulars - MV Magsenger 12.exe	cmd.exe
PID 1108 wrote to memory of 936	1108	Vessel Particulars - MV Magsenger 12.exe	cmd.exe
PID 1108 wrote to memory of 936	1108	Vessel Particulars - MV Magsenger 12.exe	cmd.exe
PID 560 wrote to memory of 1188	560	cmd.exe	schtasks.exe
PID 560 wrote to memory of 1188	560	cmd.exe	schtasks.exe
PID 560 wrote to memory of 1188	560	cmd.exe	schtasks.exe
PID 560 wrote to memory of 1188	560	cmd.exe	schtasks.exe
PID 1696 wrote to memory of 964	1696	taskeng.exe	rb57.exe
PID 1696 wrote to memory of 964	1696	taskeng.exe	rb57.exe
PID 1696 wrote to memory of 964	1696	taskeng.exe	rb57.exe
PID 1696 wrote to memory of 964	1696	taskeng.exe	rb57.exe
PID 964 wrote to memory of 1396	964	rb57.exe	rb57.exe
PID 964 wrote to memory of 1396	964	rb57.exe	rb57.exe
PID 964 wrote to memory of 1396	964	rb57.exe	rb57.exe
PID 964 wrote to memory of 1396	964	rb57.exe	rb57.exe
PID 964 wrote to memory of 1396	964	rb57.exe	rb57.exe
PID 964 wrote to memory of 1396	964	rb57.exe	rb57.exe
PID 964 wrote to memory of 1396	964	rb57.exe	rb57.exe
PID 964 wrote to memory of 1396	964	rb57.exe	rb57.exe
PID 964 wrote to memory of 1396	964	rb57.exe	rb57.exe
PID 964 wrote to memory of 1684	964	rb57.exe	cmd.exe
PID 964 wrote to memory of 1684	964	rb57.exe	cmd.exe
PID 964 wrote to memory of 1684	964	rb57.exe	cmd.exe
PID 964 wrote to memory of 1684	964	rb57.exe	cmd.exe
PID 1684 wrote to memory of 1724	1684	cmd.exe	schtasks.exe
PID 1684 wrote to memory of 1724	1684	cmd.exe	schtasks.exe
PID 1684 wrote to memory of 1724	1684	cmd.exe	schtasks.exe
PID 1684 wrote to memory of 1724	1684	cmd.exe	schtasks.exe
PID 1696 wrote to memory of 1200	1696	taskeng.exe	rb57.exe
PID 1696 wrote to memory of 1200	1696	taskeng.exe	rb57.exe
PID 1696 wrote to memory of 1200	1696	taskeng.exe	rb57.exe
PID 1696 wrote to memory of 1200	1696	taskeng.exe	rb57.exe
PID 1200 wrote to memory of 1100	1200	rb57.exe	rb57.exe
PID 1200 wrote to memory of 1100	1200	rb57.exe	rb57.exe
PID 1200 wrote to memory of 1100	1200	rb57.exe	rb57.exe
PID 1200 wrote to memory of 1100	1200	rb57.exe	rb57.exe
PID 1200 wrote to memory of 1100	1200	rb57.exe	rb57.exe
PID 1200 wrote to memory of 1100	1200	rb57.exe	rb57.exe
PID 1200 wrote to memory of 1100	1200	rb57.exe	rb57.exe
PID 1200 wrote to memory of 1100	1200	rb57.exe	rb57.exe
PID 1200 wrote to memory of 1100	1200	rb57.exe	rb57.exe
PID 1200 wrote to memory of 1888	1200	rb57.exe	cmd.exe
PID 1200 wrote to memory of 1888	1200	rb57.exe	cmd.exe
PID 1200 wrote to memory of 1888	1200	rb57.exe	cmd.exe
PID 1200 wrote to memory of 1888	1200	rb57.exe	cmd.exe
PID 1200 wrote to memory of 1884	1200	rb57.exe	cmd.exe
PID 1200 wrote to memory of 1884	1200	rb57.exe	cmd.exe
PID 1200 wrote to memory of 1884	1200	rb57.exe	cmd.exe
PID 1200 wrote to memory of 1884	1200	rb57.exe	cmd.exe
PID 1888 wrote to memory of 1120	1888	cmd.exe	schtasks.exe

outlook_office_path 1 IoCs

Processes:

Vessel Particulars - MV Magsenger 12.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars - MV Magsenger 12.exe

outlook_win_path 1 IoCs

Processes:

Vessel Particulars - MV Magsenger 12.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2955169046-2371869340-1800780948-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Vessel Particulars - MV Magsenger 12.exe

C:\Users\Admin\AppData\Local\Temp\Vessel Particulars - MV Magsenger 12.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel Particulars - MV Magsenger 12.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1108

C:\Users\Admin\AppData\Local\Temp\Vessel Particulars - MV Magsenger 12.exe
"C:\Users\Admin\AppData\Local\Temp\Vessel Particulars - MV Magsenger 12.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2028

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
2⤵
- Suspicious use of WriteProcessMemory
PID:560

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
3⤵
- Creates scheduled task(s)
PID:1188

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\Vessel Particulars - MV Magsenger 12.exe" "C:\Users\Admin\AppData\Roaming\rb57\rb57.exe"
2⤵
PID:936

C:\Windows\system32\taskeng.exe
taskeng.exe {5EA75C16-CB36-46D1-BF69-2EA9EA89EBF9} S-1-5-21-2955169046-2371869340-1800780948-1000:UKNHJUQT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1696

C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:964

C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
"C:\Users\Admin\AppData\Roaming\rb57\rb57.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1396

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
3⤵
- Suspicious use of WriteProcessMemory
PID:1684

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
4⤵
- Creates scheduled task(s)
PID:1724

C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
"C:\Users\Admin\AppData\Roaming\rb57\rb57.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1100

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
3⤵
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\SysWOW64\schtasks.exe
schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\rb57\rb57.exe'" /f
4⤵
- Creates scheduled task(s)
PID:1120

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\rb57\rb57.exe" "C:\Users\Admin\AppData\Roaming\rb57\rb57.exe"
3⤵
PID:1884

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

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\Roaming\rb57\rb57.exe
MD5
545eaa55c962df648708bb0bb01bcb28

SHA1
39e0c699f9bd668dc65561aef01451deeb41b073

SHA256
138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef

SHA512
4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb

Download Submit
C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
MD5
545eaa55c962df648708bb0bb01bcb28

SHA1
39e0c699f9bd668dc65561aef01451deeb41b073

SHA256
138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef

SHA512
4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb

Download Submit
C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
MD5
545eaa55c962df648708bb0bb01bcb28

SHA1
39e0c699f9bd668dc65561aef01451deeb41b073

SHA256
138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef

SHA512
4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb

Download Submit
C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
MD5
545eaa55c962df648708bb0bb01bcb28

SHA1
39e0c699f9bd668dc65561aef01451deeb41b073

SHA256
138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef

SHA512
4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb

Download Submit
C:\Users\Admin\AppData\Roaming\rb57\rb57.exe
MD5
545eaa55c962df648708bb0bb01bcb28

SHA1
39e0c699f9bd668dc65561aef01451deeb41b073

SHA256
138e666baba119aed949d7064ded4f2ddafaa85e95b09bbd5c4ed7d2b77ac9ef

SHA512
4892171284b009dc58a0ea5a781006e52c1dc729e924f386749336b9e56880ecdf6f67e43bee9c8f26b345cfcaab4b53305cd78f33a04d1b3d6016db4a2684cb

Download Submit
memory/560-65-0x0000000000000000-mapping.dmp

Download
memory/936-66-0x0000000000000000-mapping.dmp

Download
memory/964-70-0x0000000000000000-mapping.dmp

Download
memory/964-74-0x0000000004D30000-0x0000000004D31000-memory.dmp

Filesize
4KB

Download
memory/1100-97-0x0000000000436A8E-mapping.dmp

Download
memory/1100-104-0x0000000004720000-0x0000000004721000-memory.dmp

Filesize
4KB

Download
memory/1108-54-0x0000000000D60000-0x0000000000D61000-memory.dmp

Filesize
4KB

Download
memory/1108-56-0x00000000042C0000-0x00000000042C1000-memory.dmp

Filesize
4KB

Download
memory/1120-103-0x0000000000000000-mapping.dmp

Download
memory/1188-67-0x0000000000000000-mapping.dmp

Download
memory/1200-91-0x0000000004870000-0x0000000004871000-memory.dmp

Filesize
4KB

Download
memory/1200-87-0x0000000000000000-mapping.dmp

Download
memory/1396-86-0x0000000004A40000-0x0000000004A41000-memory.dmp

Filesize
4KB

Download
memory/1396-80-0x0000000000436A8E-mapping.dmp

Download
memory/1684-84-0x0000000000000000-mapping.dmp

Download
memory/1724-85-0x0000000000000000-mapping.dmp

Download
memory/1884-100-0x0000000000000000-mapping.dmp

Download
memory/1888-99-0x0000000000000000-mapping.dmp

Download
memory/2028-68-0x0000000002330000-0x0000000002331000-memory.dmp

Filesize
4KB

Download
memory/2028-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2028-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2028-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2028-62-0x0000000000436A8E-mapping.dmp

Download
memory/2028-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2028-58-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2028-57-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads