agenttesla | 7330843cc033439a7451656bdc0723f9b64f19eb8ba5da0ef4d65aa665b76d3a

General

Target

f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
Size

612KB
MD5

f11f34f9b8d03cd0e3ad76f65b14d604
SHA1

fe9381a4b57c295954744db12aee91e1147a38ca
SHA256

7330843cc033439a7451656bdc0723f9b64f19eb8ba5da0ef4d65aa665b76d3a
SHA512

1aca8259403a44c8c9408bf976a332f26b1d62760e6a14d9765e2d38a4653e2decc4edd704cec709d8364e1c06faf6489169525b9ac04bfb2fb1a621a4c80bab
SSDEEP

12288:q1PLka6eiP0Q6tbFvsOELKbddpUcDXp/qGe8Sv4aXm6rz5y7:wY/sT9FkKdpnUd804ek

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.tpts4seed.net
Port:
587
Username:
[email protected]
Password:
krested123

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/2932-13-0x0000000000400000-0x0000000000464000-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	f11f34f9b8d03cd0e3ad76f65b14d604_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	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4840 set thread context of 2932	4840	f11f34f9b8d03cd0e3ad76f65b14d604_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	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2932	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
2932	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2932	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 2932	4840	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	91
PID 4840 wrote to memory of 2932	4840	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	91
PID 4840 wrote to memory of 2932	4840	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	91
PID 4840 wrote to memory of 2932	4840	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	91
PID 4840 wrote to memory of 2932	4840	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	91
PID 4840 wrote to memory of 2932	4840	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	91
PID 4840 wrote to memory of 2932	4840	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe	91
PID 4840 wrote to memory of 2932	4840	f11f34f9b8d03cd0e3ad76f65b14d604_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	f11f34f9b8d03cd0e3ad76f65b14d604_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	f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Users\Admin\AppData\Local\Temp\f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\f11f34f9b8d03cd0e3ad76f65b14d604_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:2932

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\f11f34f9b8d03cd0e3ad76f65b14d604_JaffaCakes118.exe.log

Filesize
1KB

MD5
17573558c4e714f606f997e5157afaac

SHA1
13e16e9415ceef429aaf124139671ebeca09ed23

SHA256
c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

SHA512
f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

Download Submit
memory/2932-13-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/2932-25-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/2932-21-0x0000000006A20000-0x0000000006A70000-memory.dmp

Filesize
320KB

Download
memory/2932-20-0x0000000005D10000-0x0000000005D76000-memory.dmp

Filesize
408KB

Download
memory/2932-19-0x00000000056A0000-0x00000000056B8000-memory.dmp

Filesize
96KB

Download
memory/2932-18-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/2932-16-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4840-5-0x0000000004D50000-0x0000000004D5A000-memory.dmp

Filesize
40KB

Download
memory/4840-6-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4840-10-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4840-11-0x0000000007CF0000-0x0000000007D76000-memory.dmp

Filesize
536KB

Download
memory/4840-12-0x0000000008360000-0x00000000083C6000-memory.dmp

Filesize
408KB

Download
memory/4840-8-0x0000000004D80000-0x0000000004D8A000-memory.dmp

Filesize
40KB

Download
memory/4840-7-0x0000000007A30000-0x0000000007A86000-memory.dmp

Filesize
344KB

Download
memory/4840-9-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/4840-17-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4840-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/4840-4-0x00000000078A0000-0x0000000007932000-memory.dmp

Filesize
584KB

Download
memory/4840-3-0x0000000007DB0000-0x0000000008354000-memory.dmp

Filesize
5.6MB

Download
memory/4840-2-0x0000000007760000-0x00000000077FC000-memory.dmp

Filesize
624KB

Download
memory/4840-1-0x0000000000880000-0x0000000000920000-memory.dmp

Filesize
640KB

Download

Analysis

Sharing