agenttesla | 6cc0cd5fd37efa9b0d9c47509a54f3504eba71f76176c0253d8a721740062fa8

General

Target

dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe
Size

481KB
MD5

dd2221b3e16b52daa50425fcafd8fa9b
SHA1

1745b57a9897599c74ad24c03199d854dc3b1595
SHA256

6cc0cd5fd37efa9b0d9c47509a54f3504eba71f76176c0253d8a721740062fa8
SHA512

2c85c327768aae8e19105f1d00fda7c18e10d34a342e4184364f3474a2d3d48f10ca6860b655c3bab2593c6627e2d82446557b419710995935c863061f2a0268
SSDEEP

6144:Nin3h5+lZ8cNMcM6B4JmC7AZFnz7N6dHmOQhfn14wo7KF3pyjy20XmR+bVuLz5O:NmBcKcM6B4mZZZ3bfnBoawOBXmR+bd

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.visiontel.co
Port:
587
Username:
[email protected]
Password:
VisionTel@GM001
Email To:
[email protected]

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
behavioral2/memory/4140-13-0x0000000000400000-0x000000000043C000-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
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-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 812 set thread context of 4140	812	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe	97

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	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4140	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe
4140	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4140	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4140	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 812 wrote to memory of 4140	812	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe	97
PID 812 wrote to memory of 4140	812	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe	97
PID 812 wrote to memory of 4140	812	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe	97
PID 812 wrote to memory of 4140	812	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe	97
PID 812 wrote to memory of 4140	812	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe	97
PID 812 wrote to memory of 4140	812	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe	97
PID 812 wrote to memory of 4140	812	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe	97
PID 812 wrote to memory of 4140	812	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:812
- C:\Users\Admin\AppData\Local\Temp\dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:4140

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

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dd2221b3e16b52daa50425fcafd8fa9b_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/812-12-0x0000000006640000-0x0000000006680000-memory.dmp

Filesize
256KB

Download
memory/812-8-0x0000000005710000-0x000000000571A000-memory.dmp

Filesize
40KB

Download
memory/812-11-0x00000000065E0000-0x000000000663E000-memory.dmp

Filesize
376KB

Download
memory/812-4-0x0000000005570000-0x0000000005602000-memory.dmp

Filesize
584KB

Download
memory/812-7-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/812-6-0x00000000057A0000-0x00000000057F6000-memory.dmp

Filesize
344KB

Download
memory/812-5-0x0000000005520000-0x000000000552A000-memory.dmp

Filesize
40KB

Download
memory/812-17-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/812-9-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/812-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

Filesize
4KB

Download
memory/812-3-0x0000000005A80000-0x0000000006024000-memory.dmp

Filesize
5.6MB

Download
memory/812-2-0x0000000005430000-0x00000000054CC000-memory.dmp

Filesize
624KB

Download
memory/812-10-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/812-1-0x0000000000A50000-0x0000000000ACE000-memory.dmp

Filesize
504KB

Download
memory/4140-24-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4140-16-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4140-18-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4140-19-0x0000000006680000-0x0000000006698000-memory.dmp

Filesize
96KB

Download
memory/4140-20-0x0000000006720000-0x0000000006786000-memory.dmp

Filesize
408KB

Download
memory/4140-21-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4140-22-0x00000000751A0000-0x0000000075950000-memory.dmp

Filesize
7.7MB

Download
memory/4140-23-0x0000000006E30000-0x0000000006E80000-memory.dmp

Filesize
320KB

Download
memory/4140-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

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