agenttesla | 86cdc28aa7b220cdf21710c3be636e7cb5f1dbb57b9dd27048113a02883ef9c8

General

Target

eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
Size

766KB
MD5

eddfc5c0d54df839168961eca8eac04b
SHA1

a9e4cf4442241da6cfe70c64a396dabcdb365aef
SHA256

86cdc28aa7b220cdf21710c3be636e7cb5f1dbb57b9dd27048113a02883ef9c8
SHA512

5711a3b2ef519a562b930560a697e667301389644f3f7b308eefa827a54b0daeb5525c3290547f3092cbabbadcd294ee721100b64007ac9aa2e44bcf9e30f760
SSDEEP

12288:kOLVE2/mYsY0GxRh7pHqKju+hltPxCT6fzBdEENo8RTzqN6W05N5wCauEii1B2jJ:ksVE2/mYsmJ7pKKyeltPxC+fzor8RTzt

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
webmail.blt-co.com
Port:
587
Username:
[email protected]
Password:
=5yFb77EJsg!

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/6040-14-0x0000000000400000-0x000000000043C000-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 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-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
41	api.ipify.org
42	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4092 set thread context of 6040	4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	91

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	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
6040	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
6040	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
Token: SeDebugPrivilege	6040	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
6040	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 6040	4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	91
PID 4092 wrote to memory of 6040	4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	91
PID 4092 wrote to memory of 6040	4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	91
PID 4092 wrote to memory of 6040	4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	91
PID 4092 wrote to memory of 6040	4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	91
PID 4092 wrote to memory of 6040	4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	91
PID 4092 wrote to memory of 6040	4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	91
PID 4092 wrote to memory of 6040	4092	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe	91

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	eddfc5c0d54df839168961eca8eac04b_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	eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eddfc5c0d54df839168961eca8eac04b_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:4092
- C:\Users\Admin\AppData\Local\Temp\eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eddfc5c0d54df839168961eca8eac04b_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:6040

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

2

T1552

Credentials In Files

2

T1552.001

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\eddfc5c0d54df839168961eca8eac04b_JaffaCakes118.exe.log

Filesize
1KB

MD5
e7473990edf901c1e1bef76f6095f55b

SHA1
f03b370492bbcc5280982886f9688eb8da762c8f

SHA256
5fea4747d97c0dbc097902818ae754eaca7214913a52d3bb1372a6274ce0292a

SHA512
ab93f14371dfae858bbad7d98c95055186f60b30937057f71b3d1ad17ab08b5ab7820a33bc5b3e74c485ec38e6b7a1772077add591d313175c10b4ff94bcb689

Download Submit
memory/4092-12-0x00000000066F0000-0x000000000674E000-memory.dmp

Filesize
376KB

Download
memory/4092-19-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/4092-11-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/4092-4-0x0000000005E00000-0x00000000063A4000-memory.dmp

Filesize
5.6MB

Download
memory/4092-5-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/4092-6-0x00000000058F0000-0x0000000005982000-memory.dmp

Filesize
584KB

Download
memory/4092-7-0x00000000057A0000-0x00000000057AA000-memory.dmp

Filesize
40KB

Download
memory/4092-8-0x0000000005990000-0x00000000059E6000-memory.dmp

Filesize
344KB

Download
memory/4092-9-0x00000000059F0000-0x00000000059F8000-memory.dmp

Filesize
32KB

Download
memory/4092-13-0x0000000006760000-0x000000000679E000-memory.dmp

Filesize
248KB

Download
memory/4092-3-0x00000000057B0000-0x000000000584C000-memory.dmp

Filesize
624KB

Download
memory/4092-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/4092-10-0x0000000074C7E000-0x0000000074C7F000-memory.dmp

Filesize
4KB

Download
memory/4092-2-0x0000000005470000-0x00000000054CE000-memory.dmp

Filesize
376KB

Download
memory/4092-1-0x0000000000980000-0x0000000000A48000-memory.dmp

Filesize
800KB

Download
memory/6040-17-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/6040-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/6040-18-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/6040-20-0x00000000053A0000-0x00000000053B8000-memory.dmp

Filesize
96KB

Download
memory/6040-21-0x0000000006220000-0x0000000006286000-memory.dmp

Filesize
408KB

Download
memory/6040-22-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/6040-23-0x0000000074C70000-0x0000000075420000-memory.dmp

Filesize
7.7MB

Download
memory/6040-24-0x0000000006D30000-0x0000000006D80000-memory.dmp

Filesize
320KB

Download

Analysis

Sharing