agenttesla | b2d0646c000d113ebaf252cf3d5eac243608b1358c653e7ec7fd85880cf1f5d4

General

Target

4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
Size

1.5MB
MD5

4494b2b76c93a8eaf0c95fb04c7eff70
SHA1

3f851cc1f324d316a341d8113f9ccf8021ee7b4c
SHA256

b2d0646c000d113ebaf252cf3d5eac243608b1358c653e7ec7fd85880cf1f5d4
SHA512

4053854888f9381edc83ef9b89ff60c8ad878d640ac58a14d2f262abd8d09b16f046beb7b3fd301938fe1de113c236bef1fe43658db9be3511c9f7d95cc67a07
SSDEEP

24576:bZhWmQaCOpzry5nKE1BXLUbwm4EZZS5R0:P4Opffiqwm4E3B

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.aninditaeng.net
Port:
587
Username:
[email protected]
Password:
t2weClGi1f~7Elps
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/4924-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

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 3 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

Credentials from Web Browsers
T1555.003
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-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3844 set thread context of 4924	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	103

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
460	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
4924	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
4924	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
Token: SeDebugPrivilege	4924	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4924	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3844 wrote to memory of 460	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	101
PID 3844 wrote to memory of 460	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	101
PID 3844 wrote to memory of 460	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	101
PID 3844 wrote to memory of 4924	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	103
PID 3844 wrote to memory of 4924	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	103
PID 3844 wrote to memory of 4924	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	103
PID 3844 wrote to memory of 4924	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	103
PID 3844 wrote to memory of 4924	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	103
PID 3844 wrote to memory of 4924	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	103
PID 3844 wrote to memory of 4924	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	103
PID 3844 wrote to memory of 4924	3844	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3844
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iOWadfFR" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6C61.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:460
- C:\Users\Admin\AppData\Local\Temp\4494b2b76c93a8eaf0c95fb04c7eff70_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\4494b2b76c93a8eaf0c95fb04c7eff70_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:4924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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

Query Registry

1

T1012

System Information Discovery

2

T1082

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6C61.tmp

Filesize
1KB

MD5
62f00e37e7a6a9c5c31f8b9037f25364

SHA1
9112c89f9b738857ae962973d9e414133856fae3

SHA256
028aaf2f2cc5a5435a4605257eacdc419f9afeb77d566f9b17d2d8ce06367619

SHA512
29c689b821df75fd6caaa88d8bc47c95a40eabcbf86def5b157c4b39cbb8d62bd30077e7fb89ec953d415ae426a49d828d2cd1a04ad55421445474c274adef53

Download Submit
memory/3844-7-0x0000000004EE0000-0x0000000004EFE000-memory.dmp

Filesize
120KB

Download
memory/3844-9-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3844-3-0x0000000004C20000-0x0000000004CB2000-memory.dmp

Filesize
584KB

Download
memory/3844-5-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3844-4-0x0000000002720000-0x000000000272A000-memory.dmp

Filesize
40KB

Download
memory/3844-0-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/3844-6-0x00000000061F0000-0x000000000628C000-memory.dmp

Filesize
624KB

Download
memory/3844-20-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/3844-1-0x0000000000030000-0x00000000001BE000-memory.dmp

Filesize
1.6MB

Download
memory/3844-10-0x00000000063B0000-0x0000000006452000-memory.dmp

Filesize
648KB

Download
memory/3844-2-0x0000000005130000-0x00000000056D4000-memory.dmp

Filesize
5.6MB

Download
memory/3844-11-0x00000000089D0000-0x0000000008A0C000-memory.dmp

Filesize
240KB

Download
memory/3844-8-0x0000000074FBE000-0x0000000074FBF000-memory.dmp

Filesize
4KB

Download
memory/4924-19-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4924-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4924-21-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4924-22-0x0000000005420000-0x0000000005438000-memory.dmp

Filesize
96KB

Download
memory/4924-23-0x0000000006150000-0x00000000061B6000-memory.dmp

Filesize
408KB

Download
memory/4924-24-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4924-25-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4924-26-0x00000000065C0000-0x0000000006610000-memory.dmp

Filesize
320KB

Download
memory/4924-27-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download
memory/4924-28-0x0000000074FB0000-0x0000000075760000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads