echelon | c322a19f7b453ed4b9b03817eedc08e88cd8858fd19de799da20603b2d8f5b90

Analysis

max time kernel
87s
max time network
86s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
09-02-2022 06:08

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General

Target

Lucky SkinChanger.exe
Size

2.1MB
MD5

795a68d97113af5bfe54e3b0250ee2d4
SHA1

65d1bd69f7fb761ffe0831548b41af9d107692db
SHA256

1800e21eac1384cd70ce9edc4b58301eb632eb01489481034a3cd292314dc9ff
SHA512

b87ecd159a781b83fb1e59c6e2aa372f364047832081920c2f8cb1699793536066b5e9150ec447dc280540bb5032aca5da0a1302892d561820009f95ae747990

Score

10^/10

echelon redline sapphire infostealer spyware stealer suricata

Malware Config

Extracted

Family

redline

Botnet

sapphire

185.230.143.237:2548

Signatures

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon
RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4420-136-0x0000000000CE0000-0x0000000001064000-memory.dmp	family_redline

suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers
suricata: ET MALWARE Trojan Generic - POST To gate.php with no accept headers
suricata
suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer
suricata: ET MALWARE Trojan Generic - POST To gate.php with no referer
suricata

Executes dropped EXE 1 IoCs

Processes:

Decoder.exe

pid	Process
4420	Decoder.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:

Lucky SkinChanger.exe

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

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
13	api.ipify.org
14	api.ipify.org
19	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 10 IoCs

Processes:

Decoder.exe

pid	Process
4420	Decoder.exe
4420	Decoder.exe
4420	Decoder.exe
4420	Decoder.exe
4420	Decoder.exe
4420	Decoder.exe
4420	Decoder.exe
4420	Decoder.exe
4420	Decoder.exe
4420	Decoder.exe

Drops file in Windows directory 8 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	Process
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\ReportingEvents.log	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe
File opened for modification	C:\Windows\WindowsUpdate.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log	svchost.exe
File opened for modification	C:\Windows\SoftwareDistribution\DataStore\DataStore.edb	svchost.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

Processes:

timeout.exe

pid	Process
2164	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Lucky SkinChanger.exe

pid	Process
4052	Lucky SkinChanger.exe
4052	Lucky SkinChanger.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

Lucky SkinChanger.exeDecoder.exesvchost.exeTiWorker.exe

description	pid	Process
Token: SeDebugPrivilege	4052	Lucky SkinChanger.exe
Token: SeDebugPrivilege	4420	Decoder.exe
Token: SeShutdownPrivilege	2836	svchost.exe
Token: SeCreatePagefilePrivilege	2836	svchost.exe
Token: SeShutdownPrivilege	2836	svchost.exe
Token: SeCreatePagefilePrivilege	2836	svchost.exe
Token: SeShutdownPrivilege	2836	svchost.exe
Token: SeCreatePagefilePrivilege	2836	svchost.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe
Token: SeSecurityPrivilege	2600	TiWorker.exe
Token: SeBackupPrivilege	2600	TiWorker.exe
Token: SeRestorePrivilege	2600	TiWorker.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Decoder.exe

pid	Process
4420	Decoder.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

Lucky SkinChanger.execmd.exe

description	pid	Process	procid_target
PID 4052 wrote to memory of 4420	4052	Lucky SkinChanger.exe	84
PID 4052 wrote to memory of 4420	4052	Lucky SkinChanger.exe	84
PID 4052 wrote to memory of 4420	4052	Lucky SkinChanger.exe	84
PID 4052 wrote to memory of 1292	4052	Lucky SkinChanger.exe	85
PID 4052 wrote to memory of 1292	4052	Lucky SkinChanger.exe	85
PID 1292 wrote to memory of 2164	1292	cmd.exe	88
PID 1292 wrote to memory of 2164	1292	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\Lucky SkinChanger.exe
"C:\Users\Admin\AppData\Local\Temp\Lucky SkinChanger.exe"
1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4052
- C:\ProgramData\Decoder.exe
  "C:\ProgramData\Decoder.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4420
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\.cmd""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1292
- - C:\Windows\system32\timeout.exe
    timeout 4
    3⤵
    - Delays execution with timeout.exe
    PID:2164

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2836

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2600

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Decoder.exe

MD5
50b223696961a46e3f435c226b12f899

SHA1
f7e909e182969bdb44c3ed8c2c091967c54c7957

SHA256
658c50b49af49975e3a4bc1fa44337bb72dcf86b49dee68b2fa6e6dd353309b5

SHA512
b19377b68de8d62f5bc85bc523e22b98665a163a3553ba1acafdf068957a123877118698628034c0062c1370ea012c2bbf30175f06ada2e3d5181ad6233d8c36

Download Submit
C:\ProgramData\Decoder.exe

MD5
50b223696961a46e3f435c226b12f899

SHA1
f7e909e182969bdb44c3ed8c2c091967c54c7957

SHA256
658c50b49af49975e3a4bc1fa44337bb72dcf86b49dee68b2fa6e6dd353309b5

SHA512
b19377b68de8d62f5bc85bc523e22b98665a163a3553ba1acafdf068957a123877118698628034c0062c1370ea012c2bbf30175f06ada2e3d5181ad6233d8c36

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

MD5
73712247036b6a24d16502c57a3e5679

SHA1
65ca9edadb0773fc34db7dfefe9e6416f1ac17fa

SHA256
8bd49d7e7e6b2c2dc16a4cb0eebb8f28892775fad56c9e4aaa22d59f01883cd0

SHA512
548eef10b0118f7d907fa19c12de68b47278afffb3eb9460621efb2b711ebcf6b90d0ea1c077fc480e032bf241fb3f8cc995ec1373e301446f89f1a74a6309de

Download Submit
memory/2836-143-0x0000026527780000-0x0000026527790000-memory.dmp

Filesize
64KB

Download
memory/2836-145-0x000002652AB60000-0x000002652AB64000-memory.dmp

Filesize
16KB

Download
memory/2836-144-0x0000026527F60000-0x0000026527F70000-memory.dmp

Filesize
64KB

Download
memory/4052-131-0x0000020D4FEB0000-0x0000020D500DA000-memory.dmp

Filesize
2.2MB

Download
memory/4052-132-0x0000020D6A690000-0x0000020D6A692000-memory.dmp

Filesize
8KB

Download
memory/4052-130-0x00007FF8F18C3000-0x00007FF8F18C5000-memory.dmp

Filesize
8KB

Download
memory/4420-138-0x00000000037B0000-0x00000000037C2000-memory.dmp

Filesize
72KB

Download
memory/4420-140-0x0000000003810000-0x000000000384C000-memory.dmp

Filesize
240KB

Download
memory/4420-141-0x0000000003850000-0x0000000003851000-memory.dmp

Filesize
4KB

Download
memory/4420-142-0x0000000005CC0000-0x0000000005DCA000-memory.dmp

Filesize
1.0MB

Download
memory/4420-139-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/4420-137-0x00000000060A0000-0x00000000066B8000-memory.dmp

Filesize
6.1MB

Download
memory/4420-136-0x0000000000CE0000-0x0000000001064000-memory.dmp

Filesize
3.5MB

Download