agenttesla | 9923a33884694f30672b7c76b5c85ebe60f8d40787738119be4dc160fd2ffd50

General

Target

ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
Size

853KB
MD5

ef422573f33168438c898d671ffa1198
SHA1

f4b8f95c9b57d34ea67cb31172607ea89beeef35
SHA256

9923a33884694f30672b7c76b5c85ebe60f8d40787738119be4dc160fd2ffd50
SHA512

b5c19091fd3afc08f88d44603ab9c1a7bf11a13126ef4d2c3017a4bb05173720e5a40f3ea2fdb397ce56fe10ff477f68cd68632de46aae9967863fb441fe0823
SSDEEP

12288:hku5Gmo2BiBTh8Mtd1P5N8QScL2VphXXh01xWnX3LmYr3Gz/0ex1MPoCo:hXMMib8MtJN8sGb2O7fGpx1MBo

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan upx

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
@@Io419090@@

Signatures

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

AgentTesla payload 8 IoCs

resource	yara_rule
behavioral1/memory/2340-10-0x00000000003A0000-0x00000000003F0000-memory.dmp	family_agenttesla
behavioral1/memory/2340-8-0x0000000000400000-0x00000000004AB000-memory.dmp	family_agenttesla
behavioral1/memory/2340-12-0x0000000000400000-0x00000000004AB000-memory.dmp	family_agenttesla
behavioral1/memory/2340-11-0x0000000000400000-0x00000000004AB000-memory.dmp	family_agenttesla
behavioral1/memory/2340-9-0x00000000003A0000-0x00000000003F0000-memory.dmp	family_agenttesla
behavioral1/memory/2340-7-0x0000000000400000-0x00000000004AB000-memory.dmp	family_agenttesla
behavioral1/memory/2340-24-0x0000000000400000-0x00000000004AB000-memory.dmp	family_agenttesla
behavioral1/memory/2340-25-0x0000000000400000-0x00000000004AB000-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
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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2340-3-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2340-8-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2340-12-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2340-11-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2340-7-0x0000000000400000-0x00000000004AB000-memory.dmp	upx
behavioral1/memory/2340-6-0x0000000000400000-0x00000000004AB000-memory.dmp	upx

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2328 set thread context of 2340	2328	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe	29

System Location Discovery: System Language Discovery 1 TTPs 3 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	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

pid	Process
2328	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2384	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2340	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
2340	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2328	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2340	2328	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe	29
PID 2328 wrote to memory of 2340	2328	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe	29
PID 2328 wrote to memory of 2340	2328	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe	29
PID 2328 wrote to memory of 2340	2328	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe	29
PID 2328 wrote to memory of 2384	2328	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe	30
PID 2328 wrote to memory of 2384	2328	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe	30
PID 2328 wrote to memory of 2384	2328	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe	30
PID 2328 wrote to memory of 2384	2328	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ef422573f33168438c898d671ffa1198_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef422573f33168438c898d671ffa1198_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ef422573f33168438c898d671ffa1198_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2340
- C:\Users\Admin\AppData\Local\Temp\ef422573f33168438c898d671ffa1198_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ef422573f33168438c898d671ffa1198_JaffaCakes118.exe" 2 2340 259523700
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2328-0-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2328-2-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/2328-5-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/2340-9-0x00000000003A0000-0x00000000003F0000-memory.dmp

Filesize
320KB

Download
memory/2340-8-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2340-12-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2340-11-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2340-10-0x00000000003A0000-0x00000000003F0000-memory.dmp

Filesize
320KB

Download
memory/2340-7-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2340-6-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2340-3-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2340-24-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2340-25-0x0000000000400000-0x00000000004AB000-memory.dmp

Filesize
684KB

Download
memory/2384-13-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/2384-26-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download

Analysis

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