agenttesla | e352fd57db8a0670353e1c3caf02fd7d83fb315bb2e519b48dccd27eb3a2c456

General

Target

ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe
Size

633KB
MD5

ff5d0a2b5fa45ddcdb3471236adf7b9c
SHA1

9d03755918f0b8c9bc7436b96c480564574bb446
SHA256

e352fd57db8a0670353e1c3caf02fd7d83fb315bb2e519b48dccd27eb3a2c456
SHA512

44bc2df5a37745b6f19cc99482d6415452736ba74ee95e3278380069cef01c8ad390a00b4a804fbf132f69abec381c76554f05d1fcc73297a2bfdfc10f9a72d1
SSDEEP

12288:WsH4A6bE6XU+qBBAWJCIzk0kwM8kLd5rlUjPF7Z4gx79OfF5Jx2VncswAb7mo5oi:WsH4XXFp1Iz2Zd5xUjPFqA9Ec7mo5oFY

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.ndn.edu.lb
Port:
587
Username:
[email protected]
Password:
Lebanon-Achrafieh-39

Signatures

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

AgentTesla payload 7 IoCs

resource	yara_rule
behavioral1/memory/2412-10-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2412-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2412-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2412-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2412-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2412-21-0x0000000004AF0000-0x0000000004B30000-memory.dmp	family_agenttesla
behavioral1/memory/2412-24-0x0000000004AF0000-0x0000000004B30000-memory.dmp	family_agenttesla

CustAttr .NET packer 1 IoCs

Detects CustAttr .NET packer in memory.

resource	yara_rule
behavioral1/memory/2020-3-0x0000000000250000-0x0000000000262000-memory.dmp	CustAttr

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-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2020 set thread context of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2412	RegSvcs.exe
2412	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30
PID 2020 wrote to memory of 2412	2020	ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff5d0a2b5fa45ddcdb3471236adf7b9c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2020
- 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
  - outlook_office_path
  - outlook_win_path
  PID:2412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2020-0-0x0000000000ED0000-0x0000000000F74000-memory.dmp

Filesize
656KB

Download
memory/2020-1-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2020-2-0x0000000000E70000-0x0000000000EB0000-memory.dmp

Filesize
256KB

Download
memory/2020-3-0x0000000000250000-0x0000000000262000-memory.dmp

Filesize
72KB

Download
memory/2020-4-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2020-5-0x0000000000E70000-0x0000000000EB0000-memory.dmp

Filesize
256KB

Download
memory/2020-6-0x00000000058D0000-0x0000000005950000-memory.dmp

Filesize
512KB

Download
memory/2020-7-0x0000000000540000-0x0000000000582000-memory.dmp

Filesize
264KB

Download
memory/2020-19-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2412-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2412-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2412-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2412-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2412-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2412-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2412-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2412-20-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2412-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2412-21-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download
memory/2412-23-0x00000000745C0000-0x0000000074CAE000-memory.dmp

Filesize
6.9MB

Download
memory/2412-24-0x0000000004AF0000-0x0000000004B30000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads