agenttesla | 75bbb3a86312ba526d1eca1dd5f6a414a5d2d13232c0c2ee9a9ad655e30b3817

General

Target
DOC.exe
Size 870KB
Sample220125-cs1lasefh3
SHA256 75bbb3a86312ba526d1eca1dd5f6a414a5d2d13232c0c2ee9a9ad655e30b3817
MD5 a2a7402355eeeef4fcfa24769d4c16ba
SHA1 71e8416fca6abc3ec9dfb6ba80f4d9edd6f169cb
SHA512 ce9bfa243d6ba856710850a5c7392d764cb3bfdce133028acb80fc011d42935b7dbb016ed06c235e536cc9f9d0564f35c96d678a7473839a9fa20423118713ec
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.scsgroups.com
Port
587
Username
[email protected]
Password
Scs@sales#123

Signatures

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

AgentTesla Payload 1 IoCs

resource	yara_rule
behavioral2/memory/3268-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_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-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\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-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2732 set thread context of 3268	2732	DOC.exe	69

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2732	DOC.exe
2732	DOC.exe
3268	RegSvcs.exe
3268	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	DOC.exe
Token: SeDebugPrivilege	3268	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3268	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2732 wrote to memory of 3268	2732	DOC.exe	69
PID 2732 wrote to memory of 3268	2732	DOC.exe	69
PID 2732 wrote to memory of 3268	2732	DOC.exe	69
PID 2732 wrote to memory of 3268	2732	DOC.exe	69
PID 2732 wrote to memory of 3268	2732	DOC.exe	69
PID 2732 wrote to memory of 3268	2732	DOC.exe	69
PID 2732 wrote to memory of 3268	2732	DOC.exe	69
PID 2732 wrote to memory of 3268	2732	DOC.exe	69

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\DOC.exe
"C:\Users\Admin\AppData\Local\Temp\DOC.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2732
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:3268

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2732-115-0x0000000000010000-0x00000000000F0000-memory.dmp

Download

memory/2732-116-0x0000000004EB0000-0x00000000053AE000-memory.dmp

Download

memory/2732-117-0x00000000049B0000-0x0000000004A42000-memory.dmp

Download

memory/2732-118-0x0000000004AA0000-0x0000000004AAA000-memory.dmp

Download

memory/2732-119-0x0000000006E60000-0x0000000006EFC000-memory.dmp

Download

memory/2732-120-0x0000000006E40000-0x0000000006E4E000-memory.dmp

Download

memory/2732-122-0x000000007EE50000-0x000000007EE51000-memory.dmp

Download

memory/2732-121-0x00000000049B0000-0x0000000004EAE000-memory.dmp

Download

memory/2732-123-0x0000000007430000-0x00000000074EE000-memory.dmp

Download

memory/3268-124-0x0000000000400000-0x000000000043C000-memory.dmp

Download

memory/3268-125-0x0000000005720000-0x0000000005C1E000-memory.dmp

Download

memory/3268-126-0x0000000005BE0000-0x0000000005BF8000-memory.dmp

Download

memory/3268-127-0x0000000006580000-0x00000000065E6000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads