agenttesla | 7f7412de309c92d9c0c0491164ff919f39ffcb357f21cac3c40530e8c7ae5375

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07-09-2024 11:59

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General

Target

d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe
Size

503KB
MD5

d1e1ba1e46b2fa117748339ecb3e2f74
SHA1

e21ff05dc707f559885e1b144b1ac0e228038640
SHA256

7f7412de309c92d9c0c0491164ff919f39ffcb357f21cac3c40530e8c7ae5375
SHA512

f60db184f89e6966a02804dadf9a3262f0b5da28970730723e856a961c85bde94bd9b7fb538640f6bf9d31ff9bd6db28cf9582f0f745a0fc522422a068ad9b88
SSDEEP

6144:hVn8Y/2+3x5spUN1yY0zyZlrdEsDBYkTi/O8csNsLnAx9uIwFvEMfM:h58WhWmNEYOy9EsDBri28csNsLkRwea

Score

10^/10

agenttesla collection credential_access defense_evasion discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.dveshop.ro/
Port:
21
Username:
[email protected]
Password:
9rqYPoA&j)Hv

Protocol: ftp
Host:
ftp://ftp.dveshop.ro/
Port:
21
Username:
[email protected]
Password:
9rqYPoA&j)Hv

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/1780-224-0x0000000000090000-0x00000000000DC000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

System Binary Proxy Execution: Regsvcs/Regasm 1 TTPs 2 IoCs

Abuse Regasm to proxy execution of malicious code.

defense_evasion

Regsvcs/Regasm

T1218.009

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\RegAsm.exe	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe
Key opened	\Registry\Machine\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Custom\RegAsm.exe	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1780	RegAsm.exe

Loads dropped DLL 3 IoCs

pid	Process
2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe
2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe
1780	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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe
1780	RegAsm.exe
1780	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe
Token: SeDebugPrivilege	1780	RegAsm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30
PID 2704 wrote to memory of 1780	2704	d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d1e1ba1e46b2fa117748339ecb3e2f74_JaffaCakes118.exe"
1⤵
- System Binary Proxy Execution: Regsvcs/Regasm
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2704
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

System Binary Proxy Execution

T1218

Regsvcs/Regasm

T1218.009

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\4acacee3-cefe-4dab-b6f1-01f9a63ec79a\e.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/1780-224-0x0000000000090000-0x00000000000DC000-memory.dmp

Filesize
304KB

Download
memory/2704-40-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-72-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-3-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2704-36-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-70-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-68-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-66-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-64-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-62-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-60-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-58-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-56-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-54-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-52-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-50-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-34-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-46-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-44-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-42-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/2704-1-0x0000000000220000-0x00000000002A4000-memory.dmp

Filesize
528KB

Download
memory/2704-16-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-48-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-32-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-30-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-28-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-26-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-24-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-22-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-20-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-18-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-14-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-12-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-11-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-10-0x0000000074340000-0x00000000743C0000-memory.dmp

Filesize
512KB

Download
memory/2704-191-0x00000000744CE000-0x00000000744CF000-memory.dmp

Filesize
4KB

Download
memory/2704-192-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2704-194-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2704-195-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download
memory/2704-196-0x0000000000850000-0x000000000085C000-memory.dmp

Filesize
48KB

Download
memory/2704-2-0x0000000000300000-0x000000000032C000-memory.dmp

Filesize
176KB

Download
memory/2704-38-0x0000000000300000-0x0000000000325000-memory.dmp

Filesize
148KB

Download
memory/2704-223-0x00000000744C0000-0x0000000074BAE000-memory.dmp

Filesize
6.9MB

Download