echelon | 423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a

Analysis

max time kernel
142s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18-12-2023 01:55

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General

Target

423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe
Size

4.3MB
MD5

eea9f6b6d6e5a3b42567b41468318510
SHA1

fdcc3363c7e3c50ae18ff3daa8fea0be707f0542
SHA256

423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a
SHA512

b11824772d183cd829ef4177d7932062e15a1db9f64ce60b63aacee18187c0148a1b7ff3badf335efcb955d254719426e427cfe4ce4ed3448f4314fbc7553518
SSDEEP

98304:j9ZY7XPEKa3Ob0B/9GNwC8JXB6FWsO9SD0agC4aLF:mX51bU99htV9SDA0LF

Score

10^/10

echelon evasion spyware stealer themida trojan

Malware Config

Signatures

Detects Echelon Stealer payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2856-24-0x0000000001080000-0x0000000001A76000-memory.dmp	family_echelon
behavioral1/memory/2856-25-0x0000000001080000-0x0000000001A76000-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:

423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.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:

423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/2856-24-0x0000000001080000-0x0000000001A76000-memory.dmp	themida
behavioral1/memory/2856-25-0x0000000001080000-0x0000000001A76000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.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:

423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe

pid	Process
2856	423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2772	2856	WerFault.exe	27

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe

description	pid	Process
Token: SeDebugPrivilege	2856	423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe

description	pid	Process	procid_target
PID 2856 wrote to memory of 2772	2856	423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe	29
PID 2856 wrote to memory of 2772	2856	423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe	29
PID 2856 wrote to memory of 2772	2856	423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe	29
PID 2856 wrote to memory of 2772	2856	423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe	29

C:\Users\Admin\AppData\Local\Temp\423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.exe
"C:\Users\Admin\AppData\Local\Temp\423302423f88c1ed6e85a061e33376e395303f81a8e6ffa06024343e6270144a.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:2856
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 1300
  2⤵
  - Program crash
  PID:2772

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/2856-0-0x0000000001080000-0x0000000001A76000-memory.dmp

Filesize
10.0MB

Download
memory/2856-1-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-2-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-3-0x0000000076520000-0x0000000076567000-memory.dmp

Filesize
284KB

Download
memory/2856-4-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-5-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-6-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-7-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-9-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-13-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-11-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-15-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-17-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-18-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-20-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-21-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-22-0x0000000076F20000-0x0000000076F22000-memory.dmp

Filesize
8KB

Download
memory/2856-19-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-16-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-14-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-23-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download
memory/2856-24-0x0000000001080000-0x0000000001A76000-memory.dmp

Filesize
10.0MB

Download
memory/2856-25-0x0000000001080000-0x0000000001A76000-memory.dmp

Filesize
10.0MB

Download
memory/2856-26-0x0000000005590000-0x00000000055D0000-memory.dmp

Filesize
256KB

Download
memory/2856-28-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-29-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-30-0x0000000076520000-0x0000000076567000-memory.dmp

Filesize
284KB

Download
memory/2856-31-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-32-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-33-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-34-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-35-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-36-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-37-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-39-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-40-0x0000000074D90000-0x0000000074EA0000-memory.dmp

Filesize
1.1MB

Download
memory/2856-41-0x0000000073F30000-0x000000007461E000-memory.dmp

Filesize
6.9MB

Download