echelon | e44277fe9e90ba3107391676ad548812f33749da46db34ea877b1d6cdfb48d1b

Analysis

max time kernel
55s
max time network
69s
platform
windows10_x64
resource
win10v200722
submitted
20/09/2020, 13:36

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General

Target
Moist.exe
Size 814KB
Sample200920-bfgc2xjbws
SHA256 e44277fe9e90ba3107391676ad548812f33749da46db34ea877b1d6cdfb48d1b
MD5 f855dffcbd21d4e4a59eed5a7a392af9
SHA1 178dc356191ebca6bf294525183212ac2e5a0bd8
SHA512 0a08d1242a13c85f0f88ef54b77400da1a5c20570163635274ab9f63514e4b8b46a912dab28e3cc8a25963e39ade97b6310437587475893ff4935b4819c8ffbc
MD5 SHA1 SHA512

Score

10^/10

echelon discovery spyware stealer

Malware Config

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
412	Clipper.exe
4044	Clipper.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Chrome updater.exe	Clipper.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Chrome updater.exe	Clipper.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
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

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
10	api.ipify.org
11	api.ipify.org
12	ip-api.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 728 set thread context of 1852	728	Moist.exe	76
PID 412 set thread context of 4044	412	Clipper.exe	79

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1232	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
728	Moist.exe
728	Moist.exe
412	Clipper.exe
412	Clipper.exe
1852	Moist.exe
1852	Moist.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	728	Moist.exe
Token: SeDebugPrivilege	1852	Moist.exe
Token: SeDebugPrivilege	412	Clipper.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 1852	728	Moist.exe	76
PID 728 wrote to memory of 1852	728	Moist.exe	76
PID 728 wrote to memory of 1852	728	Moist.exe	76
PID 728 wrote to memory of 1852	728	Moist.exe	76
PID 728 wrote to memory of 1852	728	Moist.exe	76
PID 728 wrote to memory of 1852	728	Moist.exe	76
PID 728 wrote to memory of 1852	728	Moist.exe	76
PID 728 wrote to memory of 1852	728	Moist.exe	76
PID 728 wrote to memory of 1852	728	Moist.exe	76
PID 728 wrote to memory of 412	728	Moist.exe	77
PID 728 wrote to memory of 412	728	Moist.exe	77
PID 728 wrote to memory of 412	728	Moist.exe	77
PID 412 wrote to memory of 4044	412	Clipper.exe	79
PID 412 wrote to memory of 4044	412	Clipper.exe	79
PID 412 wrote to memory of 4044	412	Clipper.exe	79
PID 412 wrote to memory of 4044	412	Clipper.exe	79
PID 412 wrote to memory of 4044	412	Clipper.exe	79
PID 412 wrote to memory of 4044	412	Clipper.exe	79
PID 412 wrote to memory of 4044	412	Clipper.exe	79
PID 412 wrote to memory of 4044	412	Clipper.exe	79
PID 412 wrote to memory of 4044	412	Clipper.exe	79
PID 1852 wrote to memory of 4092	1852	Moist.exe	80
PID 1852 wrote to memory of 4092	1852	Moist.exe	80
PID 1852 wrote to memory of 4092	1852	Moist.exe	80
PID 4092 wrote to memory of 1232	4092	cmd.exe	82
PID 4092 wrote to memory of 1232	4092	cmd.exe	82
PID 4092 wrote to memory of 1232	4092	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\Moist.exe
"C:\Users\Admin\AppData\Local\Temp\Moist.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:728
- C:\Users\Admin\AppData\Local\Temp\Moist.exe
  "C:\Users\Admin\AppData\Local\Temp\Moist.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1852
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp50FF.tmp.bat""
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4092
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 4
      4⤵
      Delays execution with timeout.exe
      PID:1232
- C:\Users\Admin\AppData\Roaming\mvabvz\Clipper.exe
  "C:\Users\Admin\AppData\Roaming\mvabvz\Clipper.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:412
- - C:\Users\Admin\AppData\Roaming\mvabvz\Clipper.exe
    "C:\Users\Admin\AppData\Roaming\mvabvz\Clipper.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    PID:4044

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

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

memory/412-18-0x00000000736B0000-0x0000000073D9E000-memory.dmp

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memory/412-27-0x00000000054A0000-0x00000000054A5000-memory.dmp

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memory/412-19-0x0000000000810000-0x0000000000811000-memory.dmp

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memory/412-25-0x0000000005290000-0x0000000005294000-memory.dmp

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memory/728-7-0x00000000059B0000-0x00000000059B5000-memory.dmp

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memory/728-0-0x00000000736B0000-0x0000000073D9E000-memory.dmp

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memory/728-1-0x0000000000590000-0x0000000000591000-memory.dmp

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memory/728-3-0x00000000052D0000-0x00000000052D1000-memory.dmp

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memory/728-6-0x00000000050E0000-0x00000000050E4000-memory.dmp

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memory/728-5-0x0000000005010000-0x0000000005011000-memory.dmp

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memory/728-4-0x0000000004EB0000-0x0000000004EB1000-memory.dmp

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memory/1852-9-0x0000000000400000-0x00000000004AA000-memory.dmp

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memory/1852-26-0x0000000006490000-0x0000000006491000-memory.dmp

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memory/1852-24-0x0000000006350000-0x00000000063C0000-memory.dmp

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memory/1852-16-0x0000000005390000-0x0000000005391000-memory.dmp

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memory/1852-11-0x00000000736B0000-0x0000000073D9E000-memory.dmp

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memory/4044-29-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4044-32-0x00000000736B0000-0x0000000073D9E000-memory.dmp

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