agenttesla | 98aeacaea9d4c101bcc2ae23384f20e93620b3df41e4eca1676aa2bba92c4cbf

General

Target
invoices.exe
Size 1.2MB
Sample220324-tltylsfhgl
SHA256 98aeacaea9d4c101bcc2ae23384f20e93620b3df41e4eca1676aa2bba92c4cbf
MD5 2f0b798ad72d3b106f1168b3762fdcb3
SHA1 5aa83335a6acfbd31cfc31f739f60969c0a92883
SHA512 4b8786564536265a291f472123c050df85d2e02111098422f84333017c3ceaef81918ac25980990255818a10f12d0c1eadb6fb98eb0698d6355df850bea96f7a
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.greenglobus.net
Port
587
Username
[email protected]
Password
Green#56789@
Email to
[email protected]

Signatures

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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	invoices.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	invoices.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kECjS = "C:\\Users\\Admin\\AppData\\Roaming\\kECjS\\kECjS.exe"	invoices.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4004 set thread context of 3048	4004	invoices.exe	94

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

pid	Process
212	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4612	powershell.exe
3048	invoices.exe
3048	invoices.exe
4612	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4612	powershell.exe
Token: SeDebugPrivilege	3048	invoices.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 4612	4004	invoices.exe	90
PID 4004 wrote to memory of 4612	4004	invoices.exe	90
PID 4004 wrote to memory of 4612	4004	invoices.exe	90
PID 4004 wrote to memory of 212	4004	invoices.exe	92
PID 4004 wrote to memory of 212	4004	invoices.exe	92
PID 4004 wrote to memory of 212	4004	invoices.exe	92
PID 4004 wrote to memory of 3048	4004	invoices.exe	94
PID 4004 wrote to memory of 3048	4004	invoices.exe	94
PID 4004 wrote to memory of 3048	4004	invoices.exe	94
PID 4004 wrote to memory of 3048	4004	invoices.exe	94
PID 4004 wrote to memory of 3048	4004	invoices.exe	94
PID 4004 wrote to memory of 3048	4004	invoices.exe	94
PID 4004 wrote to memory of 3048	4004	invoices.exe	94
PID 4004 wrote to memory of 3048	4004	invoices.exe	94

C:\Users\Admin\AppData\Local\Temp\invoices.exe
"C:\Users\Admin\AppData\Local\Temp\invoices.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4004
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\TAiJumxz.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4612
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\TAiJumxz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3A0F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:212
- C:\Users\Admin\AppData\Local\Temp\invoices.exe
  "C:\Users\Admin\AppData\Local\Temp\invoices.exe"
  2⤵
  - Drops file in Drivers directory
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3048

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3048-144-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/4004-131-0x0000000005700000-0x0000000005CA4000-memory.dmp

Download

memory/4004-132-0x0000000005150000-0x00000000051E2000-memory.dmp

Download

memory/4004-133-0x00000000050B0000-0x00000000050BA000-memory.dmp

Download

memory/4004-134-0x0000000007B40000-0x0000000007BDC000-memory.dmp

Download

memory/4004-130-0x00000000005D0000-0x0000000000704000-memory.dmp

Download

memory/4612-138-0x0000000004E00000-0x0000000005428000-memory.dmp

Download

memory/4612-139-0x0000000004DD0000-0x0000000004DF2000-memory.dmp

Download

memory/4612-141-0x00000000056D0000-0x0000000005736000-memory.dmp

Download

memory/4612-142-0x00000000057F0000-0x0000000005856000-memory.dmp

Download

memory/4612-137-0x00000000023D0000-0x0000000002406000-memory.dmp

Download

memory/4612-145-0x0000000005DE0000-0x0000000005DFE000-memory.dmp

Download

memory/4612-146-0x0000000002455000-0x0000000002457000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads