echelon | f29c642e2962616de5f5a909c391bbe4292902a11ffa774203b03e8711c84c48 | Triage

Analysis

max time kernel
107s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16-04-2024 02:45

Sharing

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General

Target

f281eed68163245661609f462a0c6266_JaffaCakes118.exe
Size

674KB
MD5

f281eed68163245661609f462a0c6266
SHA1

11bc8632b1f40116589fd3b13be379bcac75e045
SHA256

f29c642e2962616de5f5a909c391bbe4292902a11ffa774203b03e8711c84c48
SHA512

66494ee26ed66746ee51c31254245f5746ae9a0170fc255e851ad66320680219b022c66518e2ff3d2d470dd2f9cba4237b9f2bc018da514ade6ec6dba6bdfbb6
SSDEEP

12288:mofpljJgZSsAjAuYcVWfs6MDMVqfBdcmDBujHhVP:7JwcAuv0fKMVqJdc3hVP

Score

10^/10

echelon collection discovery spyware stealer

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4440-1-0x0000016854B90000-0x0000016854C3E000-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:

f281eed68163245661609f462a0c6266_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f281eed68163245661609f462a0c6266_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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

26 api.ipify.org
27 api.ipify.org
28 ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 14 IoCs

Processes:

f281eed68163245661609f462a0c6266_JaffaCakes118.exe

pid	process
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

f281eed68163245661609f462a0c6266_JaffaCakes118.exe

pid	process
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe
4440	f281eed68163245661609f462a0c6266_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f281eed68163245661609f462a0c6266_JaffaCakes118.exe

description pid process

Token: SeDebugPrivilege 4440 f281eed68163245661609f462a0c6266_JaffaCakes118.exe

outlook_office_path 1 IoCs

Processes:

f281eed68163245661609f462a0c6266_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f281eed68163245661609f462a0c6266_JaffaCakes118.exe

outlook_win_path 1 IoCs

Processes:

f281eed68163245661609f462a0c6266_JaffaCakes118.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-259785868-298165991-4178590326-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	f281eed68163245661609f462a0c6266_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\f281eed68163245661609f462a0c6266_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f281eed68163245661609f462a0c6266_JaffaCakes118.exe"
1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4440

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\XJTBBuFZNuRPTJJNBDuHLDV6083579891\9160835798XJTBBuFZNuRPTJJNBDuHLDV\Browsers\Passwords\Passwords_Edge.txt
Filesize
426B

MD5
42fa959509b3ed7c94c0cf3728b03f6d

SHA1
661292176640beb0b38dc9e7a462518eb592d27d

SHA256
870ef3d2370932a8938faa60abd47d75ea0af98bfa11c82ae8efe9e94fd8be00

SHA512
7def291737d081c93d0cc38ac8d3062fd34d93b68d191eb0d54e9857e0c0afdbcd241471a2e10c28ce8db3b1d1ae0dba2ef6f609cfe8a1e8fe1dd103dba80007

Download Submit
C:\Users\Admin\AppData\Roaming\XJTBBuFZNuRPTJJNBDuHLDV6083579891\9160835798XJTBBuFZNuRPTJJNBDuHLDV\Files\ExpandInstall.txt
Filesize
562KB

MD5
d0ad587640d348392621b3909851a7f1

SHA1
ace557c94b771447f80194302982093a46e0d9ca

SHA256
8806626566ebc29529b4d7200facda38b9aebcd5d34daa6a4f184814b5634509

SHA512
6eab527cbc44861228ce2c4126508ea0a2c5b8d93bf39b172f312bd84c11512d674541f06d2e8562d3bed6e5e2c256cd544711cddd62f70ef6bb7d4e3355c368

Download Submit
C:\Users\Admin\AppData\Roaming\XJTBBuFZNuRPTJJNBDuHLDV6083579891\9160835798XJTBBuFZNuRPTJJNBDuHLDV\Files\InitializeProtect.txt
Filesize
1.0MB

MD5
a9bc515b02a1135bd9eb1dac3fefc871

SHA1
b4766b9e6524e3835667e079132ab5b975acbe75

SHA256
e295a870149da08dfd494fe3421974f5bf3d9a5795169064905eaa69b0fb0d05

SHA512
9bf02147d998fbf8907d23b052be26e8e9098e79e7e6f3467152a5d923f9b9a59132087c87eb02f88ffb2ef533eb84a71f4f7869ce86a9d9ebe29275f460fdd4

Download Submit
memory/4440-2-0x0000016856860000-0x00000168568A4000-memory.dmp

Filesize
272KB

Download
memory/4440-4-0x000001686F230000-0x000001686F244000-memory.dmp

Filesize
80KB

Download
memory/4440-6-0x0000016854FE0000-0x0000016854FF0000-memory.dmp

Filesize
64KB

Download
memory/4440-5-0x000001686F240000-0x000001686F24E000-memory.dmp

Filesize
56KB

Download
memory/4440-7-0x0000016854FE0000-0x0000016854FF0000-memory.dmp

Filesize
64KB

Download
memory/4440-0-0x00007FFF80080000-0x00007FFF80B41000-memory.dmp

Filesize
10.8MB

Download
memory/4440-3-0x0000016854FE0000-0x0000016854FF0000-memory.dmp

Filesize
64KB

Download
memory/4440-1-0x0000016854B90000-0x0000016854C3E000-memory.dmp

Filesize
696KB

Download
memory/4440-86-0x000001686F270000-0x000001686F28E000-memory.dmp

Filesize
120KB

Download
memory/4440-87-0x000001686FDB0000-0x000001686FE40000-memory.dmp

Filesize
576KB

Download
memory/4440-88-0x000001686FD20000-0x000001686FD42000-memory.dmp

Filesize
136KB

Download
memory/4440-103-0x00007FFF80080000-0x00007FFF80B41000-memory.dmp

Filesize
10.8MB

Download