echelon | f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0 | Triage

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
03-05-2024 05:40

Sharing

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General

Target

0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
Size

526KB
MD5

0fcbaff6f1058bec983c05d703e12fcf
SHA1

a687ad827731392ac25d613fd61538b2622b7f85
SHA256

f29efd93b6f2e10ac5d2bfa96af4e50fb9c2574acc95efc49ed2f5bbe7a9baa0
SHA512

a5d222e68f45eac88df5a677aaabbcc6e682ac73250fcaa32aaf552102c4ce9310ec101078d0ac879f4e6d441cafb2409e18c9af082ebd11fd1023de330d74d2
SSDEEP

12288:6ej11UGyDJSKkf21VoOKFAZGFtWq/3cbGTbKV:JUh1xkf21VgjW+MCbK

Score

10^/10

echelon collection discovery spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2864-2-0x000000001AE30000-0x000000001AF40000-memory.dmp	family_echelon

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

Email Collection

Processes:

0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.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 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

4 api.ipify.org
5 api.ipify.org
6 ip-api.com
8 api.ipify.org

Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs

Processes:

0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

pid	process
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

pid	process
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 2864 0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

description	pid	process	target process
PID 2864 wrote to memory of 3004	2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe	WerFault.exe
PID 2864 wrote to memory of 3004	2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe	WerFault.exe
PID 2864 wrote to memory of 3004	2864	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

outlook_win_path 1 IoCs

Processes:

0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0fcbaff6f1058bec983c05d703e12fcf_JaffaCakes118.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2864

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2864 -s 1576
2⤵
PID:3004

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Query Registry

Lateral Movement

Collection

Data from Local System

Email Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\HJBX078BFBFF000306D208193A6E26\26078BFBFF000306D208193A6EHJBX\Browsers\Passwords\Passwords_Edge.txt
Filesize
52B

MD5
fdec4452a98b7d7f3dc83904cd82a724

SHA1
2b447ea859993ab549ee1547c72071e59cace07c

SHA256
59b16ba683aaf821362d2061fef52b52a909ad63be1192ef3d2374f3e8a4b235

SHA512
87a573d8a9a085ffeea49335d213f96cd55385a3afa281d1a4a321043e82cd81a324d1131c764d024966d9dcbcc219d78514b0cdce74f849fe33e0f9ce2df432

Download Submit
C:\Users\Admin\AppData\Roaming\HJBX078BFBFF000306D208193A6E26\26078BFBFF000306D208193A6EHJBX\Files\DenyConvertFrom.txt
Filesize
347KB

MD5
88627f9968822acdc1dab4967efcc1e2

SHA1
4a048c50dc0c0c4b7aebc509847f159c78c3307b

SHA256
44e8b70e004eb784ef8f0442f16b9872fcc619866aebcdbde621ee466b79f1c1

SHA512
47fe9c0de584394371d0cc5415c6a8609ffaa859591b137e699aa77915d09d7b66e6afddd75da28f24461d32e00479aae13151eb9b8c686397d11e02a6c47609

Download Submit
memory/2864-0-0x000007FEF5BC3000-0x000007FEF5BC4000-memory.dmp

Filesize
4KB

Download
memory/2864-1-0x00000000010F0000-0x000000000117A000-memory.dmp

Filesize
552KB

Download
memory/2864-2-0x000000001AE30000-0x000000001AF40000-memory.dmp

Filesize
1.1MB

Download
memory/2864-6-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

Filesize
9.9MB

Download
memory/2864-15-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

Filesize
9.9MB

Download
memory/2864-38-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

Filesize
9.9MB

Download
memory/2864-66-0x000007FEF5BC3000-0x000007FEF5BC4000-memory.dmp

Filesize
4KB

Download
memory/2864-67-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

Filesize
9.9MB

Download