echelon | b6b855bda533fefd81c9a7ca8929e52b1b79be7b5e4c4d9fb494392a2c4d8db3

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-09-2024 12:01

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General

Target

fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe
Size

1.5MB
MD5

fe7c13445868482b63e1ae71bca9d150
SHA1

78111d52ba0215bb531d487bc6e9a218ea768377
SHA256

b6b855bda533fefd81c9a7ca8929e52b1b79be7b5e4c4d9fb494392a2c4d8db3
SHA512

c1a2bc27e1381f6ed142ffb8a6cdb0006a9161433dbb9222f83ec407cf0bb5510f9986108b4e96c4a3d0dd30659cc48baec96b9ca962082c64c0fcbcc8c0879c
SSDEEP

24576:7fCMQaXIX9yF/x26XE1kQSEIRL3tEI0mhYBsULm075IKIG1Pj5+rWGAHP:7ozMP2kGkZBqIB0tIKIvr5AHP

Score

10^/10

echelon discovery spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 2 IoCs

resource	yara_rule
behavioral1/memory/2704-2-0x00000000002B0000-0x00000000006FE000-memory.dmp	family_echelon
behavioral1/memory/2704-24-0x00000000002B0000-0x00000000006FE000-memory.dmp	family_echelon

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\windows driver update.exe	Decoder.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\windows driver update.exe	Decoder.exe

Executes dropped EXE 2 IoCs

pid	Process
2588	Decoder.exe
531976	systems32.exe

Loads dropped DLL 1 IoCs

pid	Process
2704	fe7c13445868482b63e1ae71bca9d150_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
2	api.ipify.org
3	api.ipify.org

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe
2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe

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 5 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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Delays execution with timeout.exe 2 IoCs

evasion

pid	Process
3044	timeout.exe
2176	timeout.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2248	schtasks.exe
532324	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2588	Decoder.exe
531976	systems32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe
Token: SeDebugPrivilege	2588	Decoder.exe
Token: SeDebugPrivilege	531976	systems32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2588	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	32
PID 2704 wrote to memory of 2588	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	32
PID 2704 wrote to memory of 2588	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	32
PID 2704 wrote to memory of 2588	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	32
PID 2704 wrote to memory of 108	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	33
PID 2704 wrote to memory of 108	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	33
PID 2704 wrote to memory of 108	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	33
PID 2704 wrote to memory of 108	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	33
PID 2704 wrote to memory of 2732	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	34
PID 2704 wrote to memory of 2732	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	34
PID 2704 wrote to memory of 2732	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	34
PID 2704 wrote to memory of 2732	2704	fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe	34
PID 108 wrote to memory of 3044	108	cmd.exe	37
PID 108 wrote to memory of 3044	108	cmd.exe	37
PID 108 wrote to memory of 3044	108	cmd.exe	37
PID 108 wrote to memory of 3044	108	cmd.exe	37
PID 2732 wrote to memory of 2176	2732	cmd.exe	38
PID 2732 wrote to memory of 2176	2732	cmd.exe	38
PID 2732 wrote to memory of 2176	2732	cmd.exe	38
PID 2732 wrote to memory of 2176	2732	cmd.exe	38
PID 2588 wrote to memory of 2248	2588	Decoder.exe	39
PID 2588 wrote to memory of 2248	2588	Decoder.exe	39
PID 2588 wrote to memory of 2248	2588	Decoder.exe	39
PID 530128 wrote to memory of 531976	530128	taskeng.exe	42
PID 530128 wrote to memory of 531976	530128	taskeng.exe	42
PID 530128 wrote to memory of 531976	530128	taskeng.exe	42
PID 531976 wrote to memory of 532324	531976	systems32.exe	43
PID 531976 wrote to memory of 532324	531976	systems32.exe	43
PID 531976 wrote to memory of 532324	531976	systems32.exe	43

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe7c13445868482b63e1ae71bca9d150_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2704
- C:\ProgramData\Decoder.exe
  "C:\ProgramData\Decoder.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Windows Services" /tr "\systems32_bit\systems32.exe" /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2248
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:108
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:3044
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpE8F8.tmp.cmd""
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\timeout.exe
    timeout 4
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:2176

C:\Windows\system32\taskeng.exe
taskeng.exe {89F2BE02-007E-4D64-A310-7AC07A55414A} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:530128
- C:\systems32_bit\systems32.exe
  \systems32_bit\systems32.exe
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:531976
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /sc MINUTE /mo 1 /tn "Windows Services" /tr "\systems32_bit\systems32.exe" /f
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:532324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Decoder.exe

Filesize
39KB

MD5
e753a9a4c3a393d9eccc31e5c6aded66

SHA1
5501ae71598925711dbee54f6ee1c827dd01d845

SHA256
52773fccbe6883ca7465ffe857c3fe7193521f0807bd8462f95bd4ad73be9867

SHA512
ee03d79cd24db07c3466cc602a657c9eb33119267b591a64a0d9215e3a80a24e3c435275ccfb5ffd7356def5bf717c5f2d8bc9a5b2daf1950ecf951b5e614c2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\.cmd

Filesize
28B

MD5
217407484aac2673214337def8886072

SHA1
0f8c4c94064ce1f7538c43987feb5bb2d7fec0c6

SHA256
467c28ed423f513128575b1c8c6674ee5671096ff1b14bc4c32deebd89fc1797

SHA512
8466383a1cb71ea8b049548fd5a41aaf01c0423743b886cd3cb5007f66bff87d8d5cfa67344451f4490c8f26e4ebf9e306075d5cfc655dc62f0813a456cf1330

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE8F8.tmp.cmd

Filesize
131B

MD5
98ba29bc7736526bc2d2f1b1a6242ee1

SHA1
ba8cb85369110ffbcc40c6f513df8d7b9a43b228

SHA256
02cfdd2469066a20296182990c7f969b4c2d964e094d00d6e9515907dd2739c9

SHA512
29faa76fea2edb6fa9113bac8602571ec393ba989851db4f111e9b5e1bebeac36aa2fd9bcaef08931c5d82f92914ea20234ca1fa918d29afc8f0c665101e1a87

Download Submit
memory/2588-28-0x0000000000040000-0x0000000000050000-memory.dmp

Filesize
64KB

Download
memory/2704-0-0x00000000002B0000-0x00000000006FE000-memory.dmp

Filesize
4.3MB

Download
memory/2704-1-0x000000007424E000-0x000000007424F000-memory.dmp

Filesize
4KB

Download
memory/2704-2-0x00000000002B0000-0x00000000006FE000-memory.dmp

Filesize
4.3MB

Download
memory/2704-3-0x0000000003310000-0x0000000003386000-memory.dmp

Filesize
472KB

Download
memory/2704-4-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-26-0x0000000074240000-0x000000007492E000-memory.dmp

Filesize
6.9MB

Download
memory/2704-24-0x00000000002B0000-0x00000000006FE000-memory.dmp

Filesize
4.3MB

Download
memory/531976-36-0x0000000000C70000-0x0000000000C80000-memory.dmp

Filesize
64KB

Download