echelon | f6d38b7dda48f70fabd8cf49cfb5191ef8bb4f351629c06ec102630d852da81c

Analysis

max time kernel
149s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 12:12

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General

Target

35c69ab07ba4fd97cb23a0351d7293b6.exe
Size

1.0MB
MD5

35c69ab07ba4fd97cb23a0351d7293b6
SHA1

65c3a14d30364f80ebda6cd1b83c6f9633291c35
SHA256

f6d38b7dda48f70fabd8cf49cfb5191ef8bb4f351629c06ec102630d852da81c
SHA512

072d19611df7a7807a4edff57befe8568132925b493cc7484684b59ef7cee31649eca13adafd3023f0a444241af6e571325880760b534990dfbac6a71bba1a70
SSDEEP

24576:GE6pfUKdYS7gd1OAWUN3YWpLfoYZc4Up3GR6reDPdNyE:GE6pfUHSM1Oz20Gc+TdN

Score

10^/10

echelon discovery spyware stealer vmprotect

Malware Config

Signatures

Detects Echelon Stealer payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3240-18-0x000001E8EA540000-0x000001E8EA706000-memory.dmp	family_echelon

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

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:

35c69ab07ba4fd97cb23a0351d7293b6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	35c69ab07ba4fd97cb23a0351d7293b6.exe

Executes dropped EXE 1 IoCs

Processes:

Crypt.exe

pid process

3240 Crypt.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
T1552.001

pid	process
3240	Crypt.exe

VMProtect packed file 2 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

Processes:

resource	yara_rule
behavioral2/memory/1976-0-0x0000000000E00000-0x0000000001000000-memory.dmp	vmprotect
behavioral2/memory/3240-18-0x000001E8EA540000-0x000001E8EA706000-memory.dmp	vmprotect

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

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Crypt.exe

pid process

3240 Crypt.exe
3240 Crypt.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Crypt.exe

description pid process

Token: SeDebugPrivilege 3240 Crypt.exe

pid	process
3240	Crypt.exe
3240	Crypt.exe

description	pid	process
Token: SeDebugPrivilege	3240	Crypt.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

35c69ab07ba4fd97cb23a0351d7293b6.exe

description	pid	process	target process
PID 1976 wrote to memory of 3240	1976	35c69ab07ba4fd97cb23a0351d7293b6.exe	Crypt.exe
PID 1976 wrote to memory of 3240	1976	35c69ab07ba4fd97cb23a0351d7293b6.exe	Crypt.exe

C:\Users\Admin\AppData\Local\Temp\35c69ab07ba4fd97cb23a0351d7293b6.exe
"C:\Users\Admin\AppData\Local\Temp\35c69ab07ba4fd97cb23a0351d7293b6.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1976

C:\Users\Admin\AppData\Local\Temp\Crypt.exe
"C:\Users\Admin\AppData\Local\Temp\Crypt.exe"
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3240

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1976-20-0x00007FFFF89C0000-0x00007FFFF9481000-memory.dmp

Filesize
10.8MB

Download
memory/1976-1-0x00007FFFF89C0000-0x00007FFFF9481000-memory.dmp

Filesize
10.8MB

Download
memory/1976-3-0x0000000001790000-0x0000000001791000-memory.dmp

Filesize
4KB

Download
memory/1976-5-0x000000001BD50000-0x000000001BD60000-memory.dmp

Filesize
64KB

Download
memory/1976-4-0x0000000001790000-0x0000000001791000-memory.dmp

Filesize
4KB

Download
memory/1976-2-0x0000000001790000-0x00000000017A0000-memory.dmp

Filesize
64KB

Download
memory/1976-0-0x0000000000E00000-0x0000000001000000-memory.dmp

Filesize
2.0MB

Download
memory/3240-18-0x000001E8EA540000-0x000001E8EA706000-memory.dmp

Filesize
1.8MB

Download
memory/3240-19-0x00007FFFF89C0000-0x00007FFFF9481000-memory.dmp

Filesize
10.8MB

Download
memory/3240-24-0x000001E8ECCA0000-0x000001E8ECCB0000-memory.dmp

Filesize
64KB

Download
memory/3240-23-0x000001E8EAAB0000-0x000001E8EAAB1000-memory.dmp

Filesize
4KB

Download
memory/3240-21-0x000001E8EAAB0000-0x000001E8EAAB1000-memory.dmp

Filesize
4KB

Download
memory/3240-22-0x000001E8EAAB0000-0x000001E8EAAB1000-memory.dmp

Filesize
4KB

Download
memory/3240-25-0x000001E8ECC30000-0x000001E8ECCA6000-memory.dmp

Filesize
472KB

Download
memory/3240-46-0x00007FFFF89C0000-0x00007FFFF9481000-memory.dmp

Filesize
10.8MB

Download