echelon | fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
04-03-2024 01:16

Target

fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe
Size

581KB
MD5

80a90d5cf1639d82b28c78b398acc1f4
SHA1

f81ad759dbb843058cfe28776d5c7990db6e6f74
SHA256

fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2
SHA512

db793d060a82339b9bf87a3e0b2069a4ff720e88161328795026871d90e4cc108726fa28f94cebcac4216847dba3ddaddfc820bd17545e18ca64063bf19f7944
SSDEEP

12288:9ctvPYVlNWEZkVlFrGZLJLUf9snBS4csPYae6qfzEAA:usUrGhhUF54clNf7EB

Score

10^/10

Detects Echelon Stealer payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2880-0-0x00000000000B0000-0x0000000000148000-memory.dmp	family_echelon
behavioral1/memory/2880-2-0x000000001AFB0000-0x000000001B030000-memory.dmp	family_echelon

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

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
2	api.ipify.org
3	api.ipify.org

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

description	pid	Process
Token: SeDebugPrivilege	2880	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe

description	pid	Process	procid_target
PID 2880 wrote to memory of 2376	2880	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe	29
PID 2880 wrote to memory of 2376	2880	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe	29
PID 2880 wrote to memory of 2376	2880	fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe	29

C:\Users\Admin\AppData\Local\Temp\fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe
"C:\Users\Admin\AppData\Local\Temp\fc33d5eff1235391ea7d1f28e50d8a15e630042211bcb1a4dc3616d78b6c43a2.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2880 -s 1224
  2⤵
  PID:2376

memory/2880-0-0x00000000000B0000-0x0000000000148000-memory.dmp

Filesize
608KB

Download
memory/2880-1-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

Filesize
9.9MB

Download
memory/2880-2-0x000000001AFB0000-0x000000001B030000-memory.dmp

Filesize
512KB

Download
memory/2880-3-0x000007FEF5680000-0x000007FEF606C000-memory.dmp

Filesize
9.9MB

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