agenttesla | 39d6538d17f4e0983148dde9c80565090d7eb512ad3ea31d9fecc3c9d1530208

General

Target

dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
Size

623KB
MD5

dd34d67dd51995a69d89f8e3c10f4d8c
SHA1

ee8b35798bac9ddc82f111eec49708d0b1ee541f
SHA256

39d6538d17f4e0983148dde9c80565090d7eb512ad3ea31d9fecc3c9d1530208
SHA512

a0fd468dfddfd08e56481c73ff3b3a24a50e7292a5606568219587ac83a1b87e27258ef8863d16d61d19618029709e346dcbe82f600f6c9cb8d4f64fe168e309
SSDEEP

12288:/WHfdI046Mnq0UnsO5lJkKzUvoPUu9YpoKUJF5VjgGDlRaZ0Ix7hkb6nat:/Ua237VRwrxtnat

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aldhiyafainteriors.com
Port:
587
Username:
[email protected]
Password:
dhiyafa@987

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/4972-13-0x0000000000400000-0x000000000043C000-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-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3168 set thread context of 4972	3168	dd34d67dd51995a69d89f8e3c10f4d8c_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	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3168	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
4972	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
4972	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3168	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
Token: SeDebugPrivilege	4972	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3168 wrote to memory of 4972	3168	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	97
PID 3168 wrote to memory of 4972	3168	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	97
PID 3168 wrote to memory of 4972	3168	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	97
PID 3168 wrote to memory of 4972	3168	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	97
PID 3168 wrote to memory of 4972	3168	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	97
PID 3168 wrote to memory of 4972	3168	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	97
PID 3168 wrote to memory of 4972	3168	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	97
PID 3168 wrote to memory of 4972	3168	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe	97

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3168
- C:\Users\Admin\AppData\Local\Temp\dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe
  "{path}"
  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:4972

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\dd34d67dd51995a69d89f8e3c10f4d8c_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/3168-12-0x000000000AF00000-0x000000000AF3C000-memory.dmp

Filesize
240KB

Download
memory/3168-8-0x0000000004D60000-0x0000000004D74000-memory.dmp

Filesize
80KB

Download
memory/3168-3-0x0000000005930000-0x0000000005ED4000-memory.dmp

Filesize
5.6MB

Download
memory/3168-4-0x0000000005380000-0x0000000005412000-memory.dmp

Filesize
584KB

Download
memory/3168-5-0x0000000005270000-0x000000000527A000-memory.dmp

Filesize
40KB

Download
memory/3168-6-0x0000000005510000-0x0000000005566000-memory.dmp

Filesize
344KB

Download
memory/3168-7-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3168-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/3168-9-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/3168-10-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3168-11-0x00000000068C0000-0x0000000006942000-memory.dmp

Filesize
520KB

Download
memory/3168-2-0x00000000052E0000-0x000000000537C000-memory.dmp

Filesize
624KB

Download
memory/3168-17-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3168-1-0x0000000000800000-0x00000000008A2000-memory.dmp

Filesize
648KB

Download
memory/4972-23-0x0000000006060000-0x00000000060B0000-memory.dmp

Filesize
320KB

Download
memory/4972-16-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4972-18-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4972-19-0x0000000005300000-0x0000000005318000-memory.dmp

Filesize
96KB

Download
memory/4972-20-0x0000000005CF0000-0x0000000005D56000-memory.dmp

Filesize
408KB

Download
memory/4972-21-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4972-22-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4972-13-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4972-24-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4972-25-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download

Analysis

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