echelon | 2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662

General

Target

2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662.exe
Size

1.1MB
MD5

b5c6abc0206d3501b2fe4104ec7bb7cc
SHA1

d767d16a38673ad60759fa67a542ca00a69e18f9
SHA256

2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662
SHA512

a2443a0e8c9a5fc9339fbf161b2aac68d8b82f673046fad964386a636036e68801650cdd311f6b8c616a78bbb5f62429f1b1effd1c1afd41ac17a31d8218ea50
SSDEEP

24576:jBkVdlYAKA1WmEjLT25p2+484mraNt8AgF+3FyUOG0FcCPp:FsvT1m/TYZ1tO8bF+3FyU10OCPp

Score

10^/10

Malware Config

Signatures

Detects Echelon Stealer payload 3 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015d03-45.dat	family_echelon
behavioral1/memory/2616-60-0x0000000000DC0000-0x0000000000E5A000-memory.dmp	family_echelon
behavioral1/memory/2616-62-0x00000000022D0000-0x0000000002350000-memory.dmp	family_echelon

Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
stealer spyware echelon
Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Executes dropped EXE 4 IoCs

pid	Process
2436	Ec.exe
2976	Echelo.exe
2600	Echelon.sfx.exe
2616	Echelon.exe

Loads dropped DLL 14 IoCs

pid	Process
2856	2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662.exe
2856	2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662.exe
2856	2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662.exe
2436	Ec.exe
2436	Ec.exe
2436	Ec.exe
2976	Echelo.exe
2976	Echelo.exe
2976	Echelo.exe
2600	Echelon.sfx.exe
2600	Echelon.sfx.exe
2600	Echelon.sfx.exe
2600	Echelon.sfx.exe
2600	Echelon.sfx.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.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Launches sc.exe 1 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2944	sc.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	Echelon.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2436	2856	2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662.exe	28
PID 2856 wrote to memory of 2436	2856	2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662.exe	28
PID 2856 wrote to memory of 2436	2856	2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662.exe	28
PID 2856 wrote to memory of 2436	2856	2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662.exe	28
PID 2436 wrote to memory of 2976	2436	Ec.exe	29
PID 2436 wrote to memory of 2976	2436	Ec.exe	29
PID 2436 wrote to memory of 2976	2436	Ec.exe	29
PID 2436 wrote to memory of 2976	2436	Ec.exe	29
PID 2976 wrote to memory of 2600	2976	Echelo.exe	30
PID 2976 wrote to memory of 2600	2976	Echelo.exe	30
PID 2976 wrote to memory of 2600	2976	Echelo.exe	30
PID 2976 wrote to memory of 2600	2976	Echelo.exe	30
PID 2600 wrote to memory of 2616	2600	Echelon.sfx.exe	31
PID 2600 wrote to memory of 2616	2600	Echelon.sfx.exe	31
PID 2600 wrote to memory of 2616	2600	Echelon.sfx.exe	31
PID 2600 wrote to memory of 2616	2600	Echelon.sfx.exe	31
PID 2616 wrote to memory of 2884	2616	Echelon.exe	33
PID 2616 wrote to memory of 2884	2616	Echelon.exe	33
PID 2616 wrote to memory of 2884	2616	Echelon.exe	33
PID 2884 wrote to memory of 2944	2884	cmd.exe	35
PID 2884 wrote to memory of 2944	2884	cmd.exe	35
PID 2884 wrote to memory of 2944	2884	cmd.exe	35
PID 2616 wrote to memory of 2920	2616	Echelon.exe	36
PID 2616 wrote to memory of 2920	2616	Echelon.exe	36
PID 2616 wrote to memory of 2920	2616	Echelon.exe	36

C:\Users\Admin\AppData\Local\Temp\2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662.exe
"C:\Users\Admin\AppData\Local\Temp\2bce48850beab2fab1bd1d305c442a50c37e6713b44036bef6518f4d941fd662.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\Ec.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Ec.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2436
- - C:\Users\Admin\AppData\Local\Temp\RarSFX1\Echelo.exe
    "C:\Users\Admin\AppData\Local\Temp\RarSFX1\Echelo.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of WriteProcessMemory
    PID:2976
  - - C:\Users\Admin\AppData\Local\Temp\RarSFX2\Echelon.sfx.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX2\Echelon.sfx.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:2600
    - - C:\Users\Admin\AppData\Local\Temp\RarSFX3\Echelon.exe
        
        "C:\Users\Admin\AppData\Local\Temp\RarSFX3\Echelon.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2616
      - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c sc stop "MpsSvc"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:2884
        
        C:\Windows\system32\sc.exe
        
        sc stop "MpsSvc"
        7⤵
        Launches sc.exe
        
        PID:2944
      - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 2616 -s 1516
        6⤵
        
        PID:2920

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\RarSFX0\Ec.exe

Filesize
995KB

MD5
87e97a6eae614b6337a6d4e51d08a88e

SHA1
7b5381794f91ab6c352e03bd534c818deb5f1d53

SHA256
94dc9a9b077ffd5bf20b93c9eb4c488fce76b610e5308b2dd0d18b04f66df27d

SHA512
ed25acd29946a3d41e09d1e46376293cb5e8c2833bf7ec886dec5c45fdba966393ed33895dfb99364fbba6bb98dfdef4b6406d52427a09f06b6373e368b029d0

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX1\Echelo.exe

Filesize
821KB

MD5
ecdff1026e3fde10bfbd1eec8fc56df7

SHA1
582f980152c469de53aeb7230951ebb79f0e7056

SHA256
4b4dfa7f0295c7499b377832ef5cd5d11cbc37bd6ad96b9969fa5d0055bed563

SHA512
8b3e19d03fc9f4e336b999f8e261ea7ad4d652a9e28f254cce3ded41fbab32999b9682f68f0ee65ae6ddb4ca072a783487426f5070ada938b5ddd91d7a7f1e6d

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX2\Echelon.sfx.exe

Filesize
649KB

MD5
d87dbaf2295af3f2f55f7ca333b4668f

SHA1
95aa151d52ce3174d4d0e909c8e14e8373e4506a

SHA256
4d02168925f891eba820a3d8050fdf7a3de7ddd9a3aabb529dfa45ae6e540f79

SHA512
992b8d780758003e237e5c4c3b8eb9cd5276f79965d58976ce0b93128a95346927ee122294b8dea2c8f46aea4b7ab46c916099fbf60b15cc4987dec34217d0a3

Download Submit
\Users\Admin\AppData\Local\Temp\RarSFX3\Echelon.exe

Filesize
592KB

MD5
a6c5e33747f3087b1f1c96d5c800aa99

SHA1
d3e400f79fb0520deca6eaf52ac030eadec98a71

SHA256
818d899f97b141d991937b1d39936ead0a845022ea685c7e83aef1fd55838033

SHA512
5339057ce8126bb5fc1c4a2115b4887533761ed5cb54976ec8b2087abf6a4602012cc939c04876a3cbf10ed270b100ee55b20fdecae51fa6952194ee2900fdb8

Download Submit
memory/2616-60-0x0000000000DC0000-0x0000000000E5A000-memory.dmp

Filesize
616KB

Download
memory/2616-61-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

Filesize
9.9MB

Download
memory/2616-62-0x00000000022D0000-0x0000000002350000-memory.dmp

Filesize
512KB

Download
memory/2616-63-0x000007FEF5B00000-0x000007FEF64EC000-memory.dmp

Filesize
9.9MB

Download

Analysis

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