agenttesla | 1a1649fe96f3711a5af037918c440701ac828722879d118e12e761541c266490

General

Target

5X40ft Containers.exe
Size

447KB
MD5

21392c35fff25aa5aca7dd5b38d07db3
SHA1

110c61ea53ecc080b4871b348f4a524ae8723d89
SHA256

cebc844f3daddf87ea7763dafad1989b62052fe2264a4eb2ed9438e67789bc72
SHA512

bdb0501766036cc598350d7450ecf7903881e810e5b8067c0ac723ac665e8570d24ea3094a339dbc01bcb0658b21a36e59553ae3bf4c9c960d756ad1377b60ee

Score

10^/10

agenttesla collection keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
coronavirus2020

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1908-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1908-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1908-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1908-66-0x0000000000446EDE-mapping.dmp	family_agenttesla
behavioral1/memory/1908-70-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1908-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/1988-56-0x00000000043F0000-0x0000000004442000-memory.dmp	rezer0

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

5X40ft Containers.exe

description pid process target process

PID 1988 set thread context of 1908 1988 5X40ft Containers.exe MSBuild.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2032 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

5X40ft Containers.exeMSBuild.exe

pid process

1988 5X40ft Containers.exe
1988 5X40ft Containers.exe
1988 5X40ft Containers.exe
1908 MSBuild.exe
1908 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

5X40ft Containers.exeMSBuild.exe

description pid process

Token: SeDebugPrivilege 1988 5X40ft Containers.exe
Token: SeDebugPrivilege 1908 MSBuild.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

1908 MSBuild.exe

description	pid	process	target process
PID 1988 set thread context of 1908	1988	5X40ft Containers.exe	MSBuild.exe

pid	process
2032	schtasks.exe

pid	process
1988	5X40ft Containers.exe
1988	5X40ft Containers.exe
1988	5X40ft Containers.exe
1908	MSBuild.exe
1908	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1988	5X40ft Containers.exe
Token: SeDebugPrivilege	1908	MSBuild.exe

pid	process
1908	MSBuild.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

5X40ft Containers.exe

description	pid	process	target process
PID 1988 wrote to memory of 2032	1988	5X40ft Containers.exe	schtasks.exe
PID 1988 wrote to memory of 2032	1988	5X40ft Containers.exe	schtasks.exe
PID 1988 wrote to memory of 2032	1988	5X40ft Containers.exe	schtasks.exe
PID 1988 wrote to memory of 2032	1988	5X40ft Containers.exe	schtasks.exe
PID 1988 wrote to memory of 2028	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 2028	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 2028	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 2028	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 2016	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 2016	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 2016	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 2016	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1968	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1968	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1968	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1968	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1908	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1908	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1908	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1908	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1908	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1908	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1908	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1908	1988	5X40ft Containers.exe	MSBuild.exe
PID 1988 wrote to memory of 1908	1988	5X40ft Containers.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\5X40ft Containers.exe
"C:\Users\Admin\AppData\Local\Temp\5X40ft Containers.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ptaHdfRIQpTl" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2260.tmp"
2⤵
- Creates scheduled task(s)
PID:2032

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
2⤵
PID:2028

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
2⤵
PID:2016

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
2⤵
PID:1968

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1908

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2260.tmp
Filesize
1KB

MD5
d199d53a3ee993eb2f9baea864a27f47

SHA1
d7288e769e08d94a83d39b2b431639bdb3fd9a89

SHA256
23fa501fb8c5af5dc15cfedf63905b4a1ab914c537b2133ac533fea673f3ff78

SHA512
e8be05b6f72a6312c1ad21f30599d755c8656c315cf34eb788f6f49742e8385804bf332ce3c9d09a1b7dcc6586034a0a3ebeeba1dc386e5718f4522eaae8270d

Download Submit
memory/1908-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1908-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1908-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1908-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1908-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1908-66-0x0000000000446EDE-mapping.dmp

Download
memory/1908-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1908-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1988-56-0x00000000043F0000-0x0000000004442000-memory.dmp

Filesize
328KB

Download
memory/1988-57-0x0000000076781000-0x0000000076783000-memory.dmp

Filesize
8KB

Download
memory/1988-55-0x0000000000480000-0x0000000000488000-memory.dmp

Filesize
32KB

Download
memory/1988-54-0x00000000008F0000-0x0000000000966000-memory.dmp

Filesize
472KB

Download
memory/2032-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads