agenttesla | 25fe24fc98f5d8bb89c0dba2a703123f848eeb7bc35c48bc557ca78122838b60

General

Target

proforma invoice.exe
Size

564KB
MD5

2d8e0bc091145d53891022531fd421cf
SHA1

0f2aa8d15e30927460d3b4ca47d9d6c5315f714e
SHA256

4e655c620ed90cdbcd62d7c884c807cf82c8fff069da38d293dc746839597399
SHA512

31169c14831fa776d630f0fac4933dcd36d85b8301202ccaf6b5e7bf91d2d1bc9eb4d0bddf584ecd6ffd3b978140ec3f5a05048762fa771391d5b9b341c8183c
SSDEEP

12288:GXXxJ6TfTOjZeukFomAypu8sSY92u7fqAXPca:Gn+Tf60ukrAyE9hca

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.davaobay.com.ph
Port:
587
Username:
[email protected]
Password:
p@ssw0rd

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/2728-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2728-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2728-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2728-13-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2728-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

proforma invoice.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts proforma invoice.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	proforma invoice.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

proforma invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

proforma invoice.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\WCPCe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\WCPCe\\WCPCe.exe"	proforma invoice.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

proforma invoice.exe

description pid process target process

PID 2028 set thread context of 2728 2028 proforma invoice.exe proforma invoice.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

2740 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

proforma invoice.exeproforma invoice.exe

pid process

2028 proforma invoice.exe
2028 proforma invoice.exe
2728 proforma invoice.exe
2728 proforma invoice.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

proforma invoice.exeproforma invoice.exe

description pid process

Token: SeDebugPrivilege 2028 proforma invoice.exe
Token: SeDebugPrivilege 2728 proforma invoice.exe

description	pid	process	target process
PID 2028 set thread context of 2728	2028	proforma invoice.exe	proforma invoice.exe

pid	process
2740	schtasks.exe

pid	process
2028	proforma invoice.exe
2028	proforma invoice.exe
2728	proforma invoice.exe
2728	proforma invoice.exe

description	pid	process
Token: SeDebugPrivilege	2028	proforma invoice.exe
Token: SeDebugPrivilege	2728	proforma invoice.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

proforma invoice.exe

description	pid	process	target process
PID 2028 wrote to memory of 2740	2028	proforma invoice.exe	schtasks.exe
PID 2028 wrote to memory of 2740	2028	proforma invoice.exe	schtasks.exe
PID 2028 wrote to memory of 2740	2028	proforma invoice.exe	schtasks.exe
PID 2028 wrote to memory of 2740	2028	proforma invoice.exe	schtasks.exe
PID 2028 wrote to memory of 2728	2028	proforma invoice.exe	proforma invoice.exe
PID 2028 wrote to memory of 2728	2028	proforma invoice.exe	proforma invoice.exe
PID 2028 wrote to memory of 2728	2028	proforma invoice.exe	proforma invoice.exe
PID 2028 wrote to memory of 2728	2028	proforma invoice.exe	proforma invoice.exe
PID 2028 wrote to memory of 2728	2028	proforma invoice.exe	proforma invoice.exe
PID 2028 wrote to memory of 2728	2028	proforma invoice.exe	proforma invoice.exe
PID 2028 wrote to memory of 2728	2028	proforma invoice.exe	proforma invoice.exe
PID 2028 wrote to memory of 2728	2028	proforma invoice.exe	proforma invoice.exe
PID 2028 wrote to memory of 2728	2028	proforma invoice.exe	proforma invoice.exe

outlook_office_path 1 IoCs

Processes:

proforma invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe

outlook_win_path 1 IoCs

Processes:

proforma invoice.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	proforma invoice.exe

C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
"C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2028

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RNKmffEDzXEQY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBEAD.tmp"
2⤵
- Creates scheduled task(s)
PID:2740

C:\Users\Admin\AppData\Local\Temp\proforma invoice.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2728

MITRE ATT&CK Matrix ATT&CK v13

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

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

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

MD5
cbfd42ad63c6a368cd03792f114d041a

SHA1
915e51d46aad308ef20042b385487e4762094221

SHA256
67213978a8f99ea09204461fca35a1b6e754d3ec447c77cb2e61b361d44df85d

SHA512
93c83cbf09fff800d06fdbb1a598a885886c9248d1f4e44172fac266dfddbb599c4554fb22a3728dcc9bbc876f4791cfe45de1cb78d6ecda7476d044b68b5a7c

Download Submit
memory/2028-4-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2028-5-0x0000000004D60000-0x0000000004DA0000-memory.dmp

Filesize
256KB

Download
memory/2028-25-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2028-0-0x0000000000970000-0x0000000000A04000-memory.dmp

Filesize
592KB

Download
memory/2028-1-0x00000000745E0000-0x0000000074CCE000-memory.dmp

Filesize
6.9MB

Download
memory/2028-6-0x0000000004F50000-0x0000000004FC2000-memory.dmp

Filesize
456KB

Download
memory/2028-7-0x0000000007A00000-0x0000000007A6A000-memory.dmp

Filesize
424KB

Download
memory/2028-2-0x0000000004D60000-0x0000000004DA0000-memory.dmp

Filesize
256KB

Download
memory/2028-3-0x0000000000450000-0x0000000000462000-memory.dmp

Filesize
72KB

Download
memory/2728-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2728-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2728-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2728-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2728-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2728-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2728-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2728-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads