agenttesla | aaeb8dbb55dfc7eae9879ef959b1321b70c90784ed1c434cd4fd4583e92cf163

General

Target

e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe
Size

1.3MB
MD5

e270465e6b6189d23b54d5b89cbb82bf
SHA1

6b9cf7c30263c28117ef60c9db2c83725039ccd2
SHA256

aaeb8dbb55dfc7eae9879ef959b1321b70c90784ed1c434cd4fd4583e92cf163
SHA512

7a1482bf10998dd4862497dadcbb6dcd74ce09098c70bf56b342bcd8379b895a6e081e2ea6470ab05463f2a8a369d94119d07d8a437fa893d8a90a179710374a
SSDEEP

24576:ddiZucOaCrYz4jEmW/g+7Rr+yyRQRJNS41zFFCn8L6yUmgxG+WSSr6aS7:3cyrKmW/PlBRTS41Cn+GlMSSmaS

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.lacore.ee
Port:
587
Username:
[email protected]
Password:
MBla354X

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/3764-12-0x0000000000400000-0x0000000000466000-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-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2656 set thread context of 3764	2656	e270465e6b6189d23b54d5b89cbb82bf_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	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe
2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe
2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe
3764	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe
3764	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe
Token: SeDebugPrivilege	3764	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 3764	2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe	95
PID 2656 wrote to memory of 3764	2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe	95
PID 2656 wrote to memory of 3764	2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe	95
PID 2656 wrote to memory of 3764	2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe	95
PID 2656 wrote to memory of 3764	2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe	95
PID 2656 wrote to memory of 3764	2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe	95
PID 2656 wrote to memory of 3764	2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe	95
PID 2656 wrote to memory of 3764	2656	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe	95

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e270465e6b6189d23b54d5b89cbb82bf_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:2656
- C:\Users\Admin\AppData\Local\Temp\e270465e6b6189d23b54d5b89cbb82bf_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:3764

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\e270465e6b6189d23b54d5b89cbb82bf_JaffaCakes118.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2656-10-0x0000000006870000-0x000000000691C000-memory.dmp

Filesize
688KB

Download
memory/2656-3-0x0000000005030000-0x00000000050C2000-memory.dmp

Filesize
584KB

Download
memory/2656-1-0x00000000004E0000-0x000000000063A000-memory.dmp

Filesize
1.4MB

Download
memory/2656-4-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2656-5-0x0000000005020000-0x000000000502A000-memory.dmp

Filesize
40KB

Download
memory/2656-6-0x0000000006660000-0x00000000066FC000-memory.dmp

Filesize
624KB

Download
memory/2656-7-0x0000000005280000-0x0000000005292000-memory.dmp

Filesize
72KB

Download
memory/2656-8-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/2656-11-0x0000000008EA0000-0x0000000008F4A000-memory.dmp

Filesize
680KB

Download
memory/2656-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/2656-16-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/2656-2-0x0000000005540000-0x0000000005AE4000-memory.dmp

Filesize
5.6MB

Download
memory/2656-9-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3764-15-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3764-26-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3764-17-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3764-18-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3764-19-0x0000000005980000-0x0000000005998000-memory.dmp

Filesize
96KB

Download
memory/3764-20-0x0000000006520000-0x0000000006586000-memory.dmp

Filesize
408KB

Download
memory/3764-21-0x0000000006AE0000-0x0000000006B30000-memory.dmp

Filesize
320KB

Download
memory/3764-25-0x0000000074EB0000-0x0000000075660000-memory.dmp

Filesize
7.7MB

Download
memory/3764-12-0x0000000000400000-0x0000000000466000-memory.dmp

Filesize
408KB

Download

Analysis

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