agenttesla | b09df31ac193a42a150b38f437e20feedc150a673fc5107bf4326064e7621ce1

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
19-05-2024 21:56

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General

Target

5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe
Size

501KB
MD5

5baf7601ec7eb5a300f100e290a7d153
SHA1

b9f3a86ea1f05ceb1cd56aa9f2717080394685ab
SHA256

b09df31ac193a42a150b38f437e20feedc150a673fc5107bf4326064e7621ce1
SHA512

fdb74691bd59b3cf7a565f4ffcd27e49886fec56396c6c7a67d8e02f09272e13c72401fa8f55b989352eedf0175a3a832f19c75774efca4512b48915b31a96c7
SSDEEP

6144:QhJZj3XBjlkq27zgxRQNC3C/HXheIRMaDcTEDQcZsXJt6zUG0+htWOEEFeF6G++P:IzZo7cvNqXwTIH0c66zUG0+WOjd+

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.dveshop.ro/
Port:
21
Username:
[email protected]
Password:
;0E4xWb(lC*Z

Protocol: ftp
Host:
ftp://ftp.dveshop.ro/
Port:
21
Username:
[email protected]
Password:
;0E4xWb(lC*Z

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
behavioral1/memory/1940-214-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

pid	Process
1940	RegAsm.exe

Loads dropped DLL 3 IoCs

pid	Process
1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe
1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe
1940	RegAsm.exe

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1944 set thread context of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe
1940	RegAsm.exe
1940	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe
Token: SeDebugPrivilege	1940	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30
PID 1944 wrote to memory of 1940	1944	5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5baf7601ec7eb5a300f100e290a7d153_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944
- C:\Users\Admin\AppData\Local\Temp\RegAsm.exe
  "C:\Users\Admin\AppData\Local\Temp\RegAsm.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\a6a0b8a6-4761-4357-9a31-0eca6ad70093\f.dll

Filesize
94KB

MD5
14ff402962ad21b78ae0b4c43cd1f194

SHA1
f8a510eb26666e875a5bdd1cadad40602763ad72

SHA256
fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

SHA512
daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

Download Submit
\Users\Admin\AppData\Local\Temp\RegAsm.exe

Filesize
63KB

MD5
b58b926c3574d28d5b7fdd2ca3ec30d5

SHA1
d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

SHA256
6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

SHA512
b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

Download Submit
memory/1940-214-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1944-48-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-14-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-10-0x00000000751A0000-0x0000000075220000-memory.dmp

Filesize
512KB

Download
memory/1944-42-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-24-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-36-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-46-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-54-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-64-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-72-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-70-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-68-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-66-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-62-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-60-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-40-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-56-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-52-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-50-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-0-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/1944-215-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Filesize
6.9MB

Download
memory/1944-3-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Filesize
6.9MB

Download
memory/1944-58-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-38-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-34-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-32-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-30-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-28-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-26-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-22-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-20-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-18-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-16-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-12-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-11-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-191-0x00000000748DE000-0x00000000748DF000-memory.dmp

Filesize
4KB

Download
memory/1944-192-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Filesize
6.9MB

Download
memory/1944-194-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Filesize
6.9MB

Download
memory/1944-195-0x00000000748D0000-0x0000000074FBE000-memory.dmp

Filesize
6.9MB

Download
memory/1944-196-0x0000000000490000-0x000000000049C000-memory.dmp

Filesize
48KB

Download
memory/1944-2-0x0000000000350000-0x000000000037C000-memory.dmp

Filesize
176KB

Download
memory/1944-44-0x0000000000350000-0x0000000000375000-memory.dmp

Filesize
148KB

Download
memory/1944-1-0x00000000002C0000-0x0000000000344000-memory.dmp

Filesize
528KB

Download