agenttesla | 4e44c62d028f35f6f5f5aa53550596b5e3e623fa852982224e7a1bd72d882e21

General

Target

ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
Size

702KB
MD5

ce7f33af9bb464f04a223985c12e147a
SHA1

e5b97f6a6ddeda98c3401d50f9a0ee63e43d5cbb
SHA256

4e44c62d028f35f6f5f5aa53550596b5e3e623fa852982224e7a1bd72d882e21
SHA512

eb0de9e73a3f993d4527ee934c42024275ec14d16bf2ad2a548ef7b86509fd530552c46006f31bc03dbddb05bdd19182c4e27af451e74864a325de67f8b36074
SSDEEP

12288:WkHkjtx4+xcP21lJFaQ6VTW/gCZkxz3Jp/dsgbXetvpMFSH79gw6+afWV3art0P1:XHkz4+xkiqQTnGl27f

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/116-14-0x0000000000400000-0x000000000043C000-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-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 468 set thread context of 116	468	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	95

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	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
116	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
116	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	116	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
116	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 468 wrote to memory of 116	468	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	95
PID 468 wrote to memory of 116	468	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	95
PID 468 wrote to memory of 116	468	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	95
PID 468 wrote to memory of 116	468	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	95
PID 468 wrote to memory of 116	468	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	95
PID 468 wrote to memory of 116	468	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	95
PID 468 wrote to memory of 116	468	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	95
PID 468 wrote to memory of 116	468	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:468
- C:\Users\Admin\AppData\Local\Temp\ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ce7f33af9bb464f04a223985c12e147a_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:116

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\ce7f33af9bb464f04a223985c12e147a_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/116-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/116-25-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/116-24-0x0000000006AC0000-0x0000000006B10000-memory.dmp

Filesize
320KB

Download
memory/116-23-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/116-22-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/116-21-0x00000000063C0000-0x0000000006426000-memory.dmp

Filesize
408KB

Download
memory/116-20-0x0000000005910000-0x0000000005928000-memory.dmp

Filesize
96KB

Download
memory/116-18-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/116-17-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/468-6-0x0000000004F80000-0x0000000004F8A000-memory.dmp

Filesize
40KB

Download
memory/468-19-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/468-12-0x0000000005930000-0x000000000598E000-memory.dmp

Filesize
376KB

Download
memory/468-13-0x0000000005990000-0x00000000059D0000-memory.dmp

Filesize
256KB

Download
memory/468-10-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/468-9-0x0000000004FB0000-0x0000000004FBA000-memory.dmp

Filesize
40KB

Download
memory/468-8-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/468-11-0x0000000074B40000-0x00000000752F0000-memory.dmp

Filesize
7.7MB

Download
memory/468-7-0x00000000051E0000-0x0000000005236000-memory.dmp

Filesize
344KB

Download
memory/468-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

Filesize
4KB

Download
memory/468-5-0x0000000004FC0000-0x0000000005052000-memory.dmp

Filesize
584KB

Download
memory/468-4-0x00000000098F0000-0x0000000009E94000-memory.dmp

Filesize
5.6MB

Download
memory/468-3-0x00000000092A0000-0x000000000933C000-memory.dmp

Filesize
624KB

Download
memory/468-2-0x0000000004EB0000-0x0000000004F12000-memory.dmp

Filesize
392KB

Download
memory/468-1-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download

Analysis

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