agenttesla | 3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47

General

Target

f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe
Size

476KB
MD5

f700334aa8c700d12da3a237c9537664
SHA1

7480be8830261a6e47976a8eda7221a415f1c829
SHA256

3ac8204d7b4bae620e1147c97abab1ad7df8cde8362693695afec957fb21de47
SHA512

86c9e1bf2042bdd8bef14cdce9fc7e6a4897a5fc32fc1e8713df6c6495f983b045c02c0dccf5c5814ebcf9f7f42aa4f9ff3d5f3615a0c4b95fec1c70b171f7e5
SSDEEP

12288:VTHdOWOGbAwcd2tUKEEnRXi+Q+g79tXdrjKSQ:V5OWRhcQbRYTXNj

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
baorhihusmusqbnx

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/4832-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3356 set thread context of 4832	3356	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe	88

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4832	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe
4832	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4832	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3356 wrote to memory of 4832	3356	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe	88
PID 3356 wrote to memory of 4832	3356	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe	88
PID 3356 wrote to memory of 4832	3356	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe	88
PID 3356 wrote to memory of 4832	3356	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe	88
PID 3356 wrote to memory of 4832	3356	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe	88
PID 3356 wrote to memory of 4832	3356	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe	88
PID 3356 wrote to memory of 4832	3356	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe	88
PID 3356 wrote to memory of 4832	3356	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe	88

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1132431369-515282257-1998160155-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3356
- C:\Users\Admin\AppData\Local\Temp\f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\f700334aa8c700d12da3a237c9537664_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/3356-10-0x0000000009C70000-0x0000000009CD0000-memory.dmp

Filesize
384KB

Download
memory/3356-1-0x00000000000B0000-0x0000000000130000-memory.dmp

Filesize
512KB

Download
memory/3356-3-0x0000000004B50000-0x0000000004BE2000-memory.dmp

Filesize
584KB

Download
memory/3356-4-0x0000000004B20000-0x0000000004B30000-memory.dmp

Filesize
64KB

Download
memory/3356-5-0x0000000004AF0000-0x0000000004AFA000-memory.dmp

Filesize
40KB

Download
memory/3356-6-0x0000000006060000-0x00000000060FC000-memory.dmp

Filesize
624KB

Download
memory/3356-7-0x0000000005FC0000-0x0000000005FCE000-memory.dmp

Filesize
56KB

Download
memory/3356-8-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3356-9-0x0000000004B20000-0x0000000004B30000-memory.dmp

Filesize
64KB

Download
memory/3356-15-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/3356-2-0x0000000005100000-0x00000000056A4000-memory.dmp

Filesize
5.6MB

Download
memory/3356-0-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4832-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4832-14-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4832-16-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/4832-17-0x0000000005710000-0x0000000005728000-memory.dmp

Filesize
96KB

Download
memory/4832-18-0x0000000006360000-0x00000000063C6000-memory.dmp

Filesize
408KB

Download
memory/4832-19-0x0000000074CA0000-0x0000000075450000-memory.dmp

Filesize
7.7MB

Download
memory/4832-20-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/4832-21-0x0000000006990000-0x00000000069E0000-memory.dmp

Filesize
320KB

Download
memory/4832-22-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download
memory/4832-23-0x0000000005740000-0x0000000005750000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing