echelon | fe2a40f78f2acb54fb1675bbe256de830d9c78ff813818d7335b98ce8b2bb3e6

General

Target

6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe
Size

1.5MB
MD5

6512ee54cb87daf804d1d337785c947e
SHA1

6e29351ed23c4b14d731a36c789e08cea5f8eb5e
SHA256

fe2a40f78f2acb54fb1675bbe256de830d9c78ff813818d7335b98ce8b2bb3e6
SHA512

a7725fee1f1a90fe6b0571cf293b028f4128ac5baf62f64cc3b6ba20d7c412437918096c86b005411bb922b42f020c393980965f0ec7c16b000a8e0773da96b7
SSDEEP

24576:+DWHSb4Nc0yPFtkTb67tzzM9DvVIJV1rliDpL9Dh7qd2P69EuKA+R:t846kKzzKVIJ5+pLTpP699Kn

Score

10^/10

echelon discovery spyware stealer vmprotect

Malware Config

Signatures

Detects Echelon Stealer payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0009000000016ce0-36.dat	family_echelon
behavioral1/memory/2776-38-0x0000000000C30000-0x0000000000DF6000-memory.dmp	family_echelon

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

Executes dropped EXE 3 IoCs

pid	Process
2704	UltraHook newe.sfx.exe
2764	UltraHook newe.exe
2776	Crypt.exe

Loads dropped DLL 7 IoCs

pid	Process
3044	6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe
3044	6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe
3044	6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe
2704	UltraHook newe.sfx.exe
2704	UltraHook newe.sfx.exe
2704	UltraHook newe.sfx.exe
2704	UltraHook newe.sfx.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/files/0x0008000000016d2c-22.dat	vmprotect
behavioral1/memory/2764-32-0x0000000000E20000-0x0000000001020000-memory.dmp	vmprotect
behavioral1/files/0x0009000000016ce0-36.dat	vmprotect
behavioral1/memory/2776-38-0x0000000000C30000-0x0000000000DF6000-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
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	UltraHook newe.sfx.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2776	Crypt.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	Crypt.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2704	3044	6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2704	3044	6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2704	3044	6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe	30
PID 3044 wrote to memory of 2704	3044	6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe	30
PID 2704 wrote to memory of 2764	2704	UltraHook newe.sfx.exe	31
PID 2704 wrote to memory of 2764	2704	UltraHook newe.sfx.exe	31
PID 2704 wrote to memory of 2764	2704	UltraHook newe.sfx.exe	31
PID 2704 wrote to memory of 2764	2704	UltraHook newe.sfx.exe	31
PID 2764 wrote to memory of 2776	2764	UltraHook newe.exe	32
PID 2764 wrote to memory of 2776	2764	UltraHook newe.exe	32
PID 2764 wrote to memory of 2776	2764	UltraHook newe.exe	32
PID 2776 wrote to memory of 568	2776	Crypt.exe	34
PID 2776 wrote to memory of 568	2776	Crypt.exe	34
PID 2776 wrote to memory of 568	2776	Crypt.exe	34

C:\Users\Admin\AppData\Local\Temp\6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6512ee54cb87daf804d1d337785c947e_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe
  "C:\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe
    "C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2764
  - - C:\Users\Admin\AppData\Local\Temp\Crypt.exe
      "C:\Users\Admin\AppData\Local\Temp\Crypt.exe"
      4⤵
      Executes dropped EXE
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2776
    - - C:\Windows\system32\WerFault.exe
        
        C:\Windows\system32\WerFault.exe -u -p 2776 -s 1224
        5⤵
        
        PID:568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Crypt.exe

Filesize
1.0MB

MD5
0088abee944713ab183c41f3a2b07ea8

SHA1
ea027d6de4b2feebfb35b4ebde88cdaab6d6e744

SHA256
8ce4be0ab67c82e4f9023bbea4228430e56ef9ac133d377d75ecf2be75045111

SHA512
98c88b5f4d4b30f922fbd219da691842649e7aa39eeac65a8b21ad0bdd9437ace260bdf744910690b3d004fda16f1f267f78c307741526e8ba6bde3558f4c64d

Download Submit
C:\Users\Admin\AppData\Local\Temp\UltraHook newe.exe

Filesize
1.0MB

MD5
35c69ab07ba4fd97cb23a0351d7293b6

SHA1
65c3a14d30364f80ebda6cd1b83c6f9633291c35

SHA256
f6d38b7dda48f70fabd8cf49cfb5191ef8bb4f351629c06ec102630d852da81c

SHA512
072d19611df7a7807a4edff57befe8568132925b493cc7484684b59ef7cee31649eca13adafd3023f0a444241af6e571325880760b534990dfbac6a71bba1a70

Download Submit
\Users\Admin\AppData\Local\Temp\UltraHook newe.sfx.exe

Filesize
1.3MB

MD5
06670ce4174643ad43c413115c8fde00

SHA1
6b7ecb0a6c058d6bd008121478178847bfa59b9b

SHA256
af4b0b4e4184e5283032f0b141bd2aac39241624471888061bd6cfe661ff24fc

SHA512
ef119712659b877f65310635552898c2518aae66a7e836db5ef699ec52ca21f95e040547f40175a0f9f0329aead206c800d7b6756e78e61321564d45d6ec3dc1

Download Submit
memory/2764-32-0x0000000000E20000-0x0000000001020000-memory.dmp

Filesize
2.0MB

Download
memory/2776-38-0x0000000000C30000-0x0000000000DF6000-memory.dmp

Filesize
1.8MB

Download
memory/2776-39-0x000000001AAC0000-0x000000001AB36000-memory.dmp

Filesize
472KB

Download

Analysis

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