echelon | 0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819

Analysis

max time kernel
132s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
26-03-2022 20:55

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General

Target

0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe
Size

4.1MB
MD5

4db5c29f082e78410b0bb79137651ea4
SHA1

08a2226f1ac939aa8e5d542ef515f845c2a0fe10
SHA256

0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819
SHA512

df92c5d6e2e6b29aec20f7dba871a43dd5c780cf0ecdbcb5c97cbc3f759871bb354eb4ecb39f749d578a2ebd405e3dd43733a9ea83b67157766076a7a2a63f53

Score

10^/10

echelon collection discovery persistence spyware stealer

Malware Config

Signatures

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

Echelon log file 1 IoCs

Detects a log file produced by Echelon.

Processes:

yara_rule
echelon_log_file

Executes dropped EXE 2 IoCs

Processes:

CDS.execrypted.exe

pid	Process
2296	CDS.exe
2700	crypted.exe

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

Processes:

CDS.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	CDS.exe

Loads dropped DLL 1 IoCs

Processes:

CDS.exe

pid	Process
2296	CDS.exe

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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

crypted.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	crypted.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	crypted.exe
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	crypted.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 3 IoCs

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

Processes:

flow	ioc
11	api.ipify.org
12	ip-api.com
10	api.ipify.org

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

crypted.exeCDS.exe

pid	Process
2700	crypted.exe
2700	crypted.exe
2296	CDS.exe
2296	CDS.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

AUDIODG.EXEcrypted.exe

description	pid	Process
Token: 33	1496	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1496	AUDIODG.EXE
Token: SeDebugPrivilege	2700	crypted.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

CDS.exe

pid	Process
2296	CDS.exe
2296	CDS.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exeCDS.exe

description	pid	Process	procid_target
PID 3868 wrote to memory of 2296	3868	0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe	79
PID 3868 wrote to memory of 2296	3868	0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe	79
PID 3868 wrote to memory of 2296	3868	0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe	79
PID 2296 wrote to memory of 2700	2296	CDS.exe	81
PID 2296 wrote to memory of 2700	2296	CDS.exe	81

outlook_office_path 1 IoCs

Processes:

crypted.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	crypted.exe

outlook_win_path 1 IoCs

Processes:

crypted.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	crypted.exe

C:\Users\Admin\AppData\Local\Temp\0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe
"C:\Users\Admin\AppData\Local\Temp\0f4dd1c10186f8682986732134e6f33f440fbdd999aff471aa82a782e6886819.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3868
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe
    "C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe"
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:2700

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x3f8 0x3f4
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\630_10.png

Filesize
2KB

MD5
340b294efc691d1b20c64175d565ebc7

SHA1
81cb9649bd1c9a62ae79e781818fc24d15c29ce7

SHA256
72566894059452101ea836bbff9ede5069141eeb52022ab55baa24e1666825c9

SHA512
1395a8e175c63a1a1ff459a9dac437156c74299272e020e7e078a087969251a8534f17244a529acbc1b6800a97d4c0abfa3c88f6fcb88423f56dfaae9b49fc3d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.cdd

Filesize
13KB

MD5
3e7ecaeb51c2812d13b07ec852d74aaf

SHA1
e9bdab93596ffb0f7f8c65243c579180939acb26

SHA256
e7e942993864e8b18780ef10a415f7b93924c6378248c52f0c96895735222b96

SHA512
635cd5173b595f1905af9eeea65037601cf8496d519c506b6d082662d438c26a1bfe653eaf6edcb117ccf8767975c37ab0238ca4c77574e2706f9b238a15ad4d

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

Filesize
6.1MB

MD5
424bf196deaeb4ddcafb78e137fa560a

SHA1
007738e9486c904a3115daa6e8ba2ee692af58c8

SHA256
0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

SHA512
a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\CDS.exe

Filesize
6.1MB

MD5
424bf196deaeb4ddcafb78e137fa560a

SHA1
007738e9486c904a3115daa6e8ba2ee692af58c8

SHA256
0963cef2f742a31b2604fe975f4471ae6a76641490fe60805db744fef9bdd5d2

SHA512
a9be6dd5b2ed84baea34e0f1b1e8f5388ce3662c5dcb6a80c2d175be95f9598312837420c07b52cdfaa9e94bcffd8c7a2b9db2b551dfac171bce4b92f466e797

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\c.dat

Filesize
1.1MB

MD5
48236f6b51945bd0ae9afb44ca5bedba

SHA1
6f63d6cca8f3bfc3b5b64903586806a49b8b4b30

SHA256
c868718e08abf10befc3af7fbee6ecade1171978d2c029c26aeccb8ff868c4fd

SHA512
3f977aefcbf33137ce4c63754c9cef9d2ce3a3a6682fbdf7dada51657571a6fa65fd682ffe02f12dfb25105b56751f99d42c8b079cab5480c05ab672c0c7dfb9

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

Filesize
1.1MB

MD5
7efa42ec3c0c9cbb4e92d6d2748def05

SHA1
4e3f7fba4daa3fa94a625b1131fa9628f164f1d5

SHA256
d52ffe1202a06f4172e9e25514ce27c425d1f1cb0176dba3de9920ea08e3bad1

SHA512
9bd51c591fbd8a8128bf4d500dcca8c642959fff28ae0721e5039fda3ba7800718df66784b145ae972062513d3b387e67ea4d15ff084ab3014e2f31cc495d754

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\crypted.exe

Filesize
1.1MB

MD5
7efa42ec3c0c9cbb4e92d6d2748def05

SHA1
4e3f7fba4daa3fa94a625b1131fa9628f164f1d5

SHA256
d52ffe1202a06f4172e9e25514ce27c425d1f1cb0176dba3de9920ea08e3bad1

SHA512
9bd51c591fbd8a8128bf4d500dcca8c642959fff28ae0721e5039fda3ba7800718df66784b145ae972062513d3b387e67ea4d15ff084ab3014e2f31cc495d754

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\fs.settings

Filesize
4B

MD5
b326b5062b2f0e69046810717534cb09

SHA1
5ffe533b830f08a0326348a9160afafc8ada44db

SHA256
b5bea41b6c623f7c09f1bf24dcae58ebab3c0cdd90ad966bc43a45b44867e12b

SHA512
9120cd5faef07a08e971ff024a3fcbea1e3a6b44142a6d82ca28c6c42e4f852595bcf53d81d776f10541045abdb7c37950629415d0dc66c8d86c64a5606d32de

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll

Filesize
322KB

MD5
c3256800dce47c14acc83ccca4c3e2ac

SHA1
9d126818c66991dbc3813a65eddb88bbcf77f30a

SHA256
f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

SHA512
6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lua5.1.dll

Filesize
322KB

MD5
c3256800dce47c14acc83ccca4c3e2ac

SHA1
9d126818c66991dbc3813a65eddb88bbcf77f30a

SHA256
f26f4f66022acc96d0319c09814ebeda60f4ab96b63b6262045dc786dc7c5866

SHA512
6865a98ad8a6bd02d1ba35a28b36b6306af393f5e9ad767cd6da027bb021f7399d629423f510c44436ac3e4603b6c606493edf8b14d21fabf3eab16d37bd0d25

Download Submit
memory/2296-130-0x0000000000000000-mapping.dmp

Download
memory/2700-139-0x0000000000000000-mapping.dmp

Download
memory/2700-142-0x00000000007F0000-0x0000000000918000-memory.dmp

Filesize
1.2MB

Download
memory/2700-143-0x00007FFA9D6A0000-0x00007FFA9E161000-memory.dmp

Filesize
10.8MB

Download
memory/2700-144-0x0000000000F30000-0x0000000000FED000-memory.dmp

Filesize
756KB

Download
memory/2700-145-0x000000001CE10000-0x000000001CE32000-memory.dmp

Filesize
136KB

Download