echelon | f6d38b7dda48f70fabd8cf49cfb5191ef8bb4f351629c06ec102630d852da81c

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 18:51

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General

Target

35c69ab07ba4fd97cb23a0351d7293b6.exe
Size

1.0MB
MD5

35c69ab07ba4fd97cb23a0351d7293b6
SHA1

65c3a14d30364f80ebda6cd1b83c6f9633291c35
SHA256

f6d38b7dda48f70fabd8cf49cfb5191ef8bb4f351629c06ec102630d852da81c
SHA512

072d19611df7a7807a4edff57befe8568132925b493cc7484684b59ef7cee31649eca13adafd3023f0a444241af6e571325880760b534990dfbac6a71bba1a70
SSDEEP

24576:GE6pfUKdYS7gd1OAWUN3YWpLfoYZc4Up3GR6reDPdNyE:GE6pfUHSM1Oz20Gc+TdN

Score

10^/10

echelon discovery spyware stealer vmprotect

Malware Config

Signatures

Detects Echelon Stealer payload 2 IoCs

resource	yara_rule
behavioral1/files/0x000d0000000122c0-8.dat	family_echelon
behavioral1/memory/3024-10-0x0000000001220000-0x00000000013E6000-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 1 IoCs

pid	Process
3024	Crypt.exe

Reads user/profile data of web browsers 2 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

VMProtect packed file 4 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral1/memory/1444-0-0x00000000002F0000-0x00000000004F0000-memory.dmp	vmprotect
behavioral1/files/0x000d0000000122c0-8.dat	vmprotect
behavioral1/memory/3024-10-0x0000000001220000-0x00000000013E6000-memory.dmp	vmprotect
behavioral1/memory/3024-14-0x000000001B640000-0x000000001B6C0000-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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3024	Crypt.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3024	Crypt.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 3024	1444	35c69ab07ba4fd97cb23a0351d7293b6.exe	28
PID 1444 wrote to memory of 3024	1444	35c69ab07ba4fd97cb23a0351d7293b6.exe	28
PID 1444 wrote to memory of 3024	1444	35c69ab07ba4fd97cb23a0351d7293b6.exe	28
PID 3024 wrote to memory of 1128	3024	Crypt.exe	30
PID 3024 wrote to memory of 1128	3024	Crypt.exe	30
PID 3024 wrote to memory of 1128	3024	Crypt.exe	30

C:\Users\Admin\AppData\Local\Temp\35c69ab07ba4fd97cb23a0351d7293b6.exe
"C:\Users\Admin\AppData\Local\Temp\35c69ab07ba4fd97cb23a0351d7293b6.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Users\Admin\AppData\Local\Temp\Crypt.exe
  "C:\Users\Admin\AppData\Local\Temp\Crypt.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\system32\WerFault.exe
    C:\Windows\system32\WerFault.exe -u -p 3024 -s 1232
    3⤵
    PID:1128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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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
memory/1444-12-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

Filesize
9.9MB

Download
memory/1444-3-0x0000000000140000-0x0000000000150000-memory.dmp

Filesize
64KB

Download
memory/1444-2-0x0000000000140000-0x0000000000150000-memory.dmp

Filesize
64KB

Download
memory/1444-4-0x000000001A8A0000-0x000000001A920000-memory.dmp

Filesize
512KB

Download
memory/1444-1-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

Filesize
9.9MB

Download
memory/1444-0-0x00000000002F0000-0x00000000004F0000-memory.dmp

Filesize
2.0MB

Download
memory/3024-11-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

Filesize
9.9MB

Download
memory/3024-10-0x0000000001220000-0x00000000013E6000-memory.dmp

Filesize
1.8MB

Download
memory/3024-13-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/3024-14-0x000000001B640000-0x000000001B6C0000-memory.dmp

Filesize
512KB

Download
memory/3024-15-0x00000000004C0000-0x0000000000536000-memory.dmp

Filesize
472KB

Download
memory/3024-19-0x000007FEF5A90000-0x000007FEF647C000-memory.dmp

Filesize
9.9MB

Download
memory/3024-35-0x000000001B640000-0x000000001B6C0000-memory.dmp

Filesize
512KB

Download