agenttesla | 0ba286bd3540c3500741be9a9ffd0ed6c79bd4ed72a5e7655f920794f0971956

General

Target

Invoice.exe
Size

697KB
MD5

db6efcd3fdd43ddf5a6d4055a535f2f4
SHA1

b21434df02afb069eaf3fe0e764148721edc0e12
SHA256

0ba286bd3540c3500741be9a9ffd0ed6c79bd4ed72a5e7655f920794f0971956
SHA512

bc163064ec7f82de1b8bb06c1271bde83100859e5bee066f4308a083966262ca4a160ccf6d61ce30d947a7efc5dfb70821fc2ba054b2fce6fcb8e54a0f199dd1
SSDEEP

12288:F4Sv2iNJ2iNjlylSx1RSEiuHuxDSRiVjskKNQyaiokGQuDADqjJ5nTY:F4W1j1tRSEiuJRi9s9ragGQ2jrT

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.qualitysolutions.co.in
Port:
587
Username:
[email protected]
Password:
9873335231

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.qualitysolutions.co.in
Port:
587
Username:
[email protected]
Password:
9873335231
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	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.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-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\yqWDN = "C:\\Users\\Admin\\AppData\\Roaming\\yqWDN\\yqWDN.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1720 set thread context of 1788	1720	Invoice.exe	30

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
1192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1720	Invoice.exe
1720	Invoice.exe
1788	RegSvcs.exe
1788	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	Invoice.exe
Token: SeDebugPrivilege	1788	RegSvcs.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1192	1720	Invoice.exe	27
PID 1720 wrote to memory of 1192	1720	Invoice.exe	27
PID 1720 wrote to memory of 1192	1720	Invoice.exe	27
PID 1720 wrote to memory of 1192	1720	Invoice.exe	27
PID 1720 wrote to memory of 960	1720	Invoice.exe	29
PID 1720 wrote to memory of 960	1720	Invoice.exe	29
PID 1720 wrote to memory of 960	1720	Invoice.exe	29
PID 1720 wrote to memory of 960	1720	Invoice.exe	29
PID 1720 wrote to memory of 960	1720	Invoice.exe	29
PID 1720 wrote to memory of 960	1720	Invoice.exe	29
PID 1720 wrote to memory of 960	1720	Invoice.exe	29
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30
PID 1720 wrote to memory of 1788	1720	Invoice.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wEvUaVUQoT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDBFE.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1192
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:960
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:1788

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
6652549ff5a484c49c0b67ac9865ab14

SHA1
cc3c3bb2556e05d42c684f3a749c9205eabef968

SHA256
8d839b11beca0b92900e809efc90401076c3b40778824a0cb31fb70008809529

SHA512
1b94731bdad60278bdce980f791e0ae0dd1cb1bcc0110d36460921dd8ac72a7e6d69c7046e8ae02f4a60b76d22a64fad9a33c5406573c4d5ddbdc69cc16aa4a7

Download Submit
memory/1720-57-0x0000000004E70000-0x0000000004EF2000-memory.dmp

Filesize
520KB

Download
memory/1720-54-0x0000000000860000-0x0000000000914000-memory.dmp

Filesize
720KB

Download
memory/1720-58-0x0000000004330000-0x000000000436A000-memory.dmp

Filesize
232KB

Download
memory/1720-56-0x0000000000370000-0x0000000000390000-memory.dmp

Filesize
128KB

Download
memory/1720-55-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

Filesize
8KB

Download
memory/1788-61-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1788-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1788-64-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1788-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1788-66-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1788-69-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1788-71-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads