agenttesla | a93f51a2685bc2a56a36a482e045ae7d5ae2055e7176b54cee959966c2d06f66

General

Target

6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe
Size

858KB
MD5

6fb0972ff4f409802923e6dbddded2bd
SHA1

1f18b61910bead774e87824189e925e17723b256
SHA256

a93f51a2685bc2a56a36a482e045ae7d5ae2055e7176b54cee959966c2d06f66
SHA512

30fadf132728b543894c4eea0cf9568815c64c9113c83a31553f676d1f3706ac615bcafdc95019bd29f2f656978c704de18c75ad47804bc13828c368258c2ce1
SSDEEP

12288:34jGha4fxBa4wlDKffkMZvhxgnjeQZbzO/p38esKCCTiL+nC/Eiv9HZGnx/M88r:3KlaBa1sMMZvIniOzOh3QKC+iD/Eiay

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yussmed.com
Port:
587
Username:
[email protected]
Password:
IXhBF@r0

Signatures

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

AgentTesla payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2252-11-0x00000000004E0000-0x0000000000546000-memory.dmp	family_agenttesla
behavioral1/memory/2252-12-0x0000000000400000-0x00000000004D8000-memory.dmp	family_agenttesla
behavioral1/memory/2252-10-0x00000000004E0000-0x0000000000546000-memory.dmp	family_agenttesla
behavioral1/memory/2252-9-0x0000000000400000-0x00000000004D8000-memory.dmp	family_agenttesla
behavioral1/memory/2252-8-0x0000000000400000-0x00000000004D8000-memory.dmp	family_agenttesla
behavioral1/memory/2252-23-0x0000000000400000-0x00000000004D8000-memory.dmp	family_agenttesla
behavioral1/memory/2252-24-0x0000000000400000-0x00000000004D8000-memory.dmp	family_agenttesla

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

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2252-4-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral1/memory/2252-6-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral1/memory/2252-12-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral1/memory/2252-9-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral1/memory/2252-8-0x0000000000400000-0x00000000004D8000-memory.dmp	upx

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

description	pid	process	target process
PID 1340 set thread context of 2252	1340	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

pid	process
1340	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe
2252	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe
2252	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

pid process

1340 6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2252 6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2252	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

description	pid	process	target process
PID 1340 wrote to memory of 2252	1340	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe
PID 1340 wrote to memory of 2252	1340	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe
PID 1340 wrote to memory of 2252	1340	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe
PID 1340 wrote to memory of 2252	1340	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

outlook_office_path 1 IoCs

Processes:

6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

outlook_win_path 1 IoCs

Processes:

6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1340

C:\Users\Admin\AppData\Local\Temp\6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6fb0972ff4f409802923e6dbddded2bd_JaffaCakes118.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2252

MITRE ATT&CK Matrix ATT&CK v13

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

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

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

memory/1340-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1340-1-0x0000000000370000-0x0000000000380000-memory.dmp

Filesize
64KB

Download
memory/1340-3-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/1340-2-0x0000000000370000-0x0000000000380000-memory.dmp

Filesize
64KB

Download
memory/1340-7-0x0000000000400000-0x00000000004DD000-memory.dmp

Filesize
884KB

Download
memory/2252-11-0x00000000004E0000-0x0000000000546000-memory.dmp

Filesize
408KB

Download
memory/2252-6-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2252-12-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2252-10-0x00000000004E0000-0x0000000000546000-memory.dmp

Filesize
408KB

Download
memory/2252-9-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2252-4-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2252-8-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2252-23-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/2252-24-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads