echelon | 687be569737d64b043602602d674a718540bd04d2fc76d705aceb6fd158f7754

Analysis

max time kernel
141s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
22-12-2023 08:46

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General

Target

7e860a4e29ec5db1a4178a33019254ea.exe
Size

5.6MB
MD5

7e860a4e29ec5db1a4178a33019254ea
SHA1

c8ccabfae4b83851b9384a01d4ec3eeed2d74167
SHA256

687be569737d64b043602602d674a718540bd04d2fc76d705aceb6fd158f7754
SHA512

77c3d0948e23d99076284de8e9dc72d645a5d4d1cd93284f065c8e05c44c12cd7b6e6ed092ba17e2fd0d18fe9a4821dca15c216adca1089e048bbe56686fe470
SSDEEP

98304:G19EN760TEEnbnr3NKFkP33pMHK0kuNwMpxDQxOGpmqtl4HHA7FyD/EzruNlvK:GvEN7LTdrdJPH2H+pMXQ7pEnA7FyD/Mp

Score

10^/10

echelon evasion spyware stealer themida trojan

Malware Config

Signatures

Detects Echelon Stealer payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1740-33-0x00000000000A0000-0x0000000000EDE000-memory.dmp	family_echelon
behavioral1/memory/1740-34-0x00000000000A0000-0x0000000000EDE000-memory.dmp	family_echelon

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

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

7e860a4e29ec5db1a4178a33019254ea.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	7e860a4e29ec5db1a4178a33019254ea.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

7e860a4e29ec5db1a4178a33019254ea.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	7e860a4e29ec5db1a4178a33019254ea.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	7e860a4e29ec5db1a4178a33019254ea.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1740-33-0x00000000000A0000-0x0000000000EDE000-memory.dmp	themida
behavioral1/memory/1740-34-0x00000000000A0000-0x0000000000EDE000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

7e860a4e29ec5db1a4178a33019254ea.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	7e860a4e29ec5db1a4178a33019254ea.exe

Looks up external IP address via web service 2 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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

7e860a4e29ec5db1a4178a33019254ea.exe

pid	Process
1740	7e860a4e29ec5db1a4178a33019254ea.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2728	1740	WerFault.exe	27

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

7e860a4e29ec5db1a4178a33019254ea.exe

description	pid	Process
Token: SeDebugPrivilege	1740	7e860a4e29ec5db1a4178a33019254ea.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

7e860a4e29ec5db1a4178a33019254ea.exe

description	pid	Process	procid_target
PID 1740 wrote to memory of 2728	1740	7e860a4e29ec5db1a4178a33019254ea.exe	29
PID 1740 wrote to memory of 2728	1740	7e860a4e29ec5db1a4178a33019254ea.exe	29
PID 1740 wrote to memory of 2728	1740	7e860a4e29ec5db1a4178a33019254ea.exe	29
PID 1740 wrote to memory of 2728	1740	7e860a4e29ec5db1a4178a33019254ea.exe	29

C:\Users\Admin\AppData\Local\Temp\7e860a4e29ec5db1a4178a33019254ea.exe
"C:\Users\Admin\AppData\Local\Temp\7e860a4e29ec5db1a4178a33019254ea.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 1288
  2⤵
  - Program crash
  PID:2728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1740-0-0x00000000000A0000-0x0000000000EDE000-memory.dmp

Filesize
14.2MB

Download
memory/1740-1-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-2-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-3-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-4-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-5-0x0000000076500000-0x0000000076547000-memory.dmp

Filesize
284KB

Download
memory/1740-6-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-7-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-8-0x0000000076500000-0x0000000076547000-memory.dmp

Filesize
284KB

Download
memory/1740-9-0x0000000076500000-0x0000000076547000-memory.dmp

Filesize
284KB

Download
memory/1740-10-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-11-0x0000000076500000-0x0000000076547000-memory.dmp

Filesize
284KB

Download
memory/1740-12-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-13-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-14-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-15-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-17-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-19-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-21-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-22-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-23-0x0000000076500000-0x0000000076547000-memory.dmp

Filesize
284KB

Download
memory/1740-24-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-20-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-25-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-18-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-27-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-26-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-16-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-28-0x0000000077430000-0x0000000077432000-memory.dmp

Filesize
8KB

Download
memory/1740-33-0x00000000000A0000-0x0000000000EDE000-memory.dmp

Filesize
14.2MB

Download
memory/1740-32-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-34-0x00000000000A0000-0x0000000000EDE000-memory.dmp

Filesize
14.2MB

Download
memory/1740-35-0x0000000005970000-0x00000000059B0000-memory.dmp

Filesize
256KB

Download
memory/1740-37-0x00000000000A0000-0x0000000000EDE000-memory.dmp

Filesize
14.2MB

Download
memory/1740-38-0x0000000076500000-0x0000000076547000-memory.dmp

Filesize
284KB

Download
memory/1740-39-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-41-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-40-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-42-0x0000000075250000-0x0000000075360000-memory.dmp

Filesize
1.1MB

Download
memory/1740-44-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/1740-45-0x0000000005970000-0x00000000059B0000-memory.dmp

Filesize
256KB

Download