agenttesla | b7f6e7cad50f57e9cf2aa8793284b2df8839226c5790555491d51a3fc27caa06

General

Target

Revise copy.exe
Size

650KB
MD5

c64c2a89d124e9185d312b3f880b31d9
SHA1

cb98b08b3954f8c596762a9d571006bc077612e0
SHA256

8dd68257e8d07b2e0d25da886cdb7cb487085b99a469984369d486812596ea12
SHA512

92c0be639e432691a58c220e015987f77755703c4f936480befd3c035ff4386ad20734a936d21921c3fc5bfa3cc4e1be6288756fc24e10147305621d34bbb472
SSDEEP

12288:iq5nF8ME6jD/GYVZBzN0SeawOHlB+GrgetMtZeF3KKprWeb25LfYOghi:iqPtD/Gez03awaDrgeWtZeNr6eaLQOu

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
kV$bSqJ1 daniel
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Revise copy.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revise copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revise copy.exe
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revise copy.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

Revise copy.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows\CurrentVersion\Run\sOFvE = "C:\\Users\\Admin\\AppData\\Roaming\\sOFvE\\sOFvE.exe"	Revise copy.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

Revise copy.exe

description pid process target process

PID 2848 set thread context of 2388 2848 Revise copy.exe Revise copy.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

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/Job
T1053

Processes:

schtasks.exe

pid process

2640 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

Revise copy.exepowershell.exe

pid process

2848 Revise copy.exe
2848 Revise copy.exe
2956 powershell.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Revise copy.exeRevise copy.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2848 Revise copy.exe
Token: SeDebugPrivilege 2388 Revise copy.exe
Token: SeDebugPrivilege 2956 powershell.exe

flow	ioc
4	api.ipify.org
5	api.ipify.org

description	pid	process	target process
PID 2848 set thread context of 2388	2848	Revise copy.exe	Revise copy.exe

pid	process
2640	schtasks.exe

pid	process
2848	Revise copy.exe
2848	Revise copy.exe
2956	powershell.exe

description	pid	process
Token: SeDebugPrivilege	2848	Revise copy.exe
Token: SeDebugPrivilege	2388	Revise copy.exe
Token: SeDebugPrivilege	2956	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Revise copy.exe

description	pid	process	target process
PID 2848 wrote to memory of 2956	2848	Revise copy.exe	powershell.exe
PID 2848 wrote to memory of 2956	2848	Revise copy.exe	powershell.exe
PID 2848 wrote to memory of 2956	2848	Revise copy.exe	powershell.exe
PID 2848 wrote to memory of 2956	2848	Revise copy.exe	powershell.exe
PID 2848 wrote to memory of 2640	2848	Revise copy.exe	schtasks.exe
PID 2848 wrote to memory of 2640	2848	Revise copy.exe	schtasks.exe
PID 2848 wrote to memory of 2640	2848	Revise copy.exe	schtasks.exe
PID 2848 wrote to memory of 2640	2848	Revise copy.exe	schtasks.exe
PID 2848 wrote to memory of 2388	2848	Revise copy.exe	Revise copy.exe
PID 2848 wrote to memory of 2388	2848	Revise copy.exe	Revise copy.exe
PID 2848 wrote to memory of 2388	2848	Revise copy.exe	Revise copy.exe
PID 2848 wrote to memory of 2388	2848	Revise copy.exe	Revise copy.exe
PID 2848 wrote to memory of 2388	2848	Revise copy.exe	Revise copy.exe
PID 2848 wrote to memory of 2388	2848	Revise copy.exe	Revise copy.exe
PID 2848 wrote to memory of 2388	2848	Revise copy.exe	Revise copy.exe
PID 2848 wrote to memory of 2388	2848	Revise copy.exe	Revise copy.exe
PID 2848 wrote to memory of 2388	2848	Revise copy.exe	Revise copy.exe

outlook_office_path 1 IoCs

Processes:

Revise copy.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revise copy.exe

outlook_win_path 1 IoCs

Processes:

Revise copy.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2085049433-1067986815-1244098655-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Revise copy.exe

C:\Users\Admin\AppData\Local\Temp\Revise copy.exe
"C:\Users\Admin\AppData\Local\Temp\Revise copy.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2848

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yvygyKkUYqKa.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2956

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yvygyKkUYqKa" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE62A.tmp"
2⤵
- Creates scheduled task(s)
PID:2640

C:\Users\Admin\AppData\Local\Temp\Revise copy.exe
"C:\Users\Admin\AppData\Local\Temp\Revise copy.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

3

T1552

Credentials In Files

3

T1552.001

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpE62A.tmp

Filesize
1KB

MD5
642819e8a9b1241ed672b6828b01e0d6

SHA1
027b549f9088797a93be6a49f171609f9764b2f5

SHA256
90a74d84e80d27078056a2048569d318daac9562e9da852a7128bf42b652453b

SHA512
7fac5c80b4f14e26c2d9d5f14a2ad07468253b9fe923a4c1230c7de7c23a01303e02bfb8c4b9cb2a9f8b3dbe43fa944122b8105ad4f21c01699296d5c8c41087

Download Submit
memory/2388-22-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2388-33-0x0000000074CF0000-0x00000000753DE000-memory.dmp

Filesize
6.9MB

Download
memory/2388-29-0x0000000000620000-0x0000000000660000-memory.dmp

Filesize
256KB

Download
memory/2388-28-0x0000000074CF0000-0x00000000753DE000-memory.dmp

Filesize
6.9MB

Download
memory/2388-24-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2388-20-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2388-34-0x0000000000620000-0x0000000000660000-memory.dmp

Filesize
256KB

Download
memory/2388-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2388-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2388-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2388-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2388-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2848-6-0x0000000005C70000-0x0000000005CDA000-memory.dmp

Filesize
424KB

Download
memory/2848-0-0x0000000000AE0000-0x0000000000B88000-memory.dmp

Filesize
672KB

Download
memory/2848-5-0x0000000000560000-0x000000000056A000-memory.dmp

Filesize
40KB

Download
memory/2848-25-0x0000000074CF0000-0x00000000753DE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-4-0x0000000000510000-0x0000000000518000-memory.dmp

Filesize
32KB

Download
memory/2848-3-0x00000000004F0000-0x0000000000508000-memory.dmp

Filesize
96KB

Download
memory/2848-2-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

Filesize
256KB

Download
memory/2848-1-0x0000000074CF0000-0x00000000753DE000-memory.dmp

Filesize
6.9MB

Download
memory/2956-26-0x000000006F140000-0x000000006F6EB000-memory.dmp

Filesize
5.7MB

Download
memory/2956-27-0x000000006F140000-0x000000006F6EB000-memory.dmp

Filesize
5.7MB

Download
memory/2956-30-0x00000000003C0000-0x0000000000400000-memory.dmp

Filesize
256KB

Download
memory/2956-31-0x000000006F140000-0x000000006F6EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads