ef8ccf60bec725ce175ba76c221b221d8370dadf92d0ac5f3ea7cae146dbd1aa

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 09:16

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General

Target

WinHelpc32.exe
Size

1.5MB
MD5

4df31cd1a0ede3a4d35e720c81f8f970
SHA1

f8930d6dc53bfb43aa53ca089a94d3d4c6e85c08
SHA256

b5b2d5f9800ecf5a4d542c3b3c0812d2fb0f6ffe4333424797d2dbc13ef7739a
SHA512

8f43c75fa83e86ec910b7ca25065aa240124034ebe4f16696890e7e79c33b7f0bf741184d8dc7c1e0b50712841b695bf3d48cf85bed8f46e7214f911e835be95
SSDEEP

24576:BogQT+D6LJgmzhAhxviiQVd2WAKhhr1AvdCLPatt3AaYfqaP+C5F2oeENHQQBmOT:QTnchxvoVdNo0L0aa/aPd5pFBmOADS

Score

8^/10

discovery execution upx

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
1908	powershell.exe
3236	powershell.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	powershell.exe
File created	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log	powershell.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4952-51-0x0000000010000000-0x0000000010011000-memory.dmp	upx
behavioral2/memory/4952-57-0x0000000010000000-0x0000000010011000-memory.dmp	upx
behavioral2/memory/4952-56-0x0000000010000000-0x0000000010011000-memory.dmp	upx
behavioral2/memory/4952-98-0x0000000010000000-0x0000000010011000-memory.dmp	upx

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\WinHelpc32.exe	WinHelpc32.exe
File opened for modification	C:\Windows\glog.dll	WinHelpc32.exe
File opened for modification	C:\Windows\glog.dll.dat	WinHelpc32.exe
File created	C:\Windows\WinHelpc32.exe	WinHelpc32.exe
File created	C:\Windows\glog.dll	WinHelpc32.exe
File created	C:\Windows\glog.dll.dat	WinHelpc32.exe

Executes dropped EXE 1 IoCs

pid	Process
5008	WinHelpc32.exe

Loads dropped DLL 1 IoCs

pid	Process
5008	WinHelpc32.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinHelpc32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinHelpc32.exe

Modifies data under HKEY_USERS 46 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1908	powershell.exe
1908	powershell.exe
4952	WinHelpc32.exe
4952	WinHelpc32.exe
3236	powershell.exe
3236	powershell.exe
5008	WinHelpc32.exe
5008	WinHelpc32.exe
2800	svchost.exe
2800	svchost.exe
2800	svchost.exe
2800	svchost.exe
5012	dllhost.exe
5012	dllhost.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4952	WinHelpc32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1908	powershell.exe
Token: SeDebugPrivilege	3236	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4952 wrote to memory of 1908	4952	WinHelpc32.exe	83
PID 4952 wrote to memory of 1908	4952	WinHelpc32.exe	83
PID 4952 wrote to memory of 1908	4952	WinHelpc32.exe	83
PID 5008 wrote to memory of 3236	5008	WinHelpc32.exe	87
PID 5008 wrote to memory of 3236	5008	WinHelpc32.exe	87
PID 5008 wrote to memory of 3236	5008	WinHelpc32.exe	87
PID 5008 wrote to memory of 2800	5008	WinHelpc32.exe	89
PID 5008 wrote to memory of 2800	5008	WinHelpc32.exe	89
PID 5008 wrote to memory of 2800	5008	WinHelpc32.exe	89
PID 5008 wrote to memory of 2800	5008	WinHelpc32.exe	89
PID 2800 wrote to memory of 5012	2800	svchost.exe	90
PID 2800 wrote to memory of 5012	2800	svchost.exe	90
PID 2800 wrote to memory of 5012	2800	svchost.exe	90
PID 2800 wrote to memory of 5012	2800	svchost.exe	90

C:\Users\Admin\AppData\Local\Temp\WinHelpc32.exe
"C:\Users\Admin\AppData\Local\Temp\WinHelpc32.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -Command "Add-Mppreference -ExclusionPath 'C:\Program Files (x86)', 'C:\' -Force"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1908

C:\Windows\WinHelpc32.exe
C:\Windows\WinHelpc32.exe -svc
1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5008
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  powershell.exe -Command "Add-Mppreference -ExclusionPath 'C:\Program Files (x86)', 'C:\' -Force"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3236
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\SysWOW64\svchost.exe -k netsvcs
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\dllhost.exe
    C:\Windows\SysWOW64\dllhost.exe -ks
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:5012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g10dao52.t5e.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\WinHelpc32.exe

Filesize
1.5MB

MD5
4df31cd1a0ede3a4d35e720c81f8f970

SHA1
f8930d6dc53bfb43aa53ca089a94d3d4c6e85c08

SHA256
b5b2d5f9800ecf5a4d542c3b3c0812d2fb0f6ffe4333424797d2dbc13ef7739a

SHA512
8f43c75fa83e86ec910b7ca25065aa240124034ebe4f16696890e7e79c33b7f0bf741184d8dc7c1e0b50712841b695bf3d48cf85bed8f46e7214f911e835be95

Download Submit
C:\Windows\glog.dll

Filesize
446KB

MD5
c6da87c29d5a9898423569362d23a3b9

SHA1
bcb8f05e6d319c54585781e709d217a1750b05be

SHA256
d3e40fcac762a36aee12f2369132d1246bf967cc17585f21bc632875b14dc3ad

SHA512
62a5381ceeef74e34c45c8ca31f67cc5681f7f69cef834d8fbedc3781dde9af0818343361f12c6747a57715739284c86b6d8b8545934a1a2550234b138b0965b

Download Submit
C:\Windows\glog.dll.dat

Filesize
29KB

MD5
57d67e031dbbbb5b246ced1b67b1b78e

SHA1
728fcae1fc556b7491d97aec3883821950a2133e

SHA256
00f7de081e270c8703edb63d46b9df2ac58c693d96f14c0d7872c889a1623481

SHA512
a8f370232c780ea78e9c5881aa4a6e9f27fe43409190a44a61ac529aaa9895d4d9a2ebdccf1df84bb3f36ea220078298aab0a61de070bb46cf0f0533d3cea30a

Download Submit
memory/1908-42-0x0000000007630000-0x000000000763E000-memory.dmp

Filesize
56KB

Download
memory/1908-6-0x0000000005810000-0x0000000005832000-memory.dmp

Filesize
136KB

Download
memory/1908-44-0x0000000007750000-0x000000000776A000-memory.dmp

Filesize
104KB

Download
memory/1908-5-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/1908-45-0x0000000007680000-0x0000000007688000-memory.dmp

Filesize
32KB

Download
memory/1908-12-0x00000000058D0000-0x0000000005936000-memory.dmp

Filesize
408KB

Download
memory/1908-13-0x0000000005A40000-0x0000000005AA6000-memory.dmp

Filesize
408KB

Download
memory/1908-18-0x0000000005AE0000-0x0000000005E34000-memory.dmp

Filesize
3.3MB

Download
memory/1908-19-0x00000000060C0000-0x00000000060DE000-memory.dmp

Filesize
120KB

Download
memory/1908-20-0x0000000006160000-0x00000000061AC000-memory.dmp

Filesize
304KB

Download
memory/1908-22-0x0000000070B70000-0x0000000070BBC000-memory.dmp

Filesize
304KB

Download
memory/1908-21-0x00000000066C0000-0x00000000066F2000-memory.dmp

Filesize
200KB

Download
memory/1908-33-0x00000000066A0000-0x00000000066BE000-memory.dmp

Filesize
120KB

Download
memory/1908-32-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/1908-34-0x00000000072C0000-0x0000000007363000-memory.dmp

Filesize
652KB

Download
memory/1908-48-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/1908-36-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/1908-37-0x0000000007A40000-0x00000000080BA000-memory.dmp

Filesize
6.5MB

Download
memory/1908-38-0x0000000007400000-0x000000000741A000-memory.dmp

Filesize
104KB

Download
memory/1908-39-0x0000000007460000-0x000000000746A000-memory.dmp

Filesize
40KB

Download
memory/1908-40-0x0000000007690000-0x0000000007726000-memory.dmp

Filesize
600KB

Download
memory/1908-41-0x0000000007600000-0x0000000007611000-memory.dmp

Filesize
68KB

Download
memory/1908-2-0x0000000004B40000-0x0000000004B76000-memory.dmp

Filesize
216KB

Download
memory/1908-43-0x0000000007640000-0x0000000007654000-memory.dmp

Filesize
80KB

Download
memory/1908-4-0x00000000051B0000-0x00000000057D8000-memory.dmp

Filesize
6.2MB

Download
memory/1908-3-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/1908-35-0x0000000074D50000-0x0000000075500000-memory.dmp

Filesize
7.7MB

Download
memory/1908-1-0x0000000074D5E000-0x0000000074D5F000-memory.dmp

Filesize
4KB

Download
memory/3236-81-0x0000000004590000-0x00000000048E4000-memory.dmp

Filesize
3.3MB

Download
memory/3236-82-0x0000000004C60000-0x0000000004CAC000-memory.dmp

Filesize
304KB

Download
memory/3236-83-0x0000000070650000-0x000000007069C000-memory.dmp

Filesize
304KB

Download
memory/3236-69-0x000000007483E000-0x000000007483F000-memory.dmp

Filesize
4KB

Download
memory/3236-99-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/3236-95-0x0000000006110000-0x0000000006124000-memory.dmp

Filesize
80KB

Download
memory/3236-70-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/3236-71-0x0000000074830000-0x0000000074FE0000-memory.dmp

Filesize
7.7MB

Download
memory/3236-93-0x0000000005D80000-0x0000000005E23000-memory.dmp

Filesize
652KB

Download
memory/3236-94-0x00000000060D0000-0x00000000060E1000-memory.dmp

Filesize
68KB

Download
memory/4952-56-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/4952-120-0x0000000075720000-0x0000000075775000-memory.dmp

Filesize
340KB

Download
memory/4952-49-0x0000000075720000-0x0000000075775000-memory.dmp

Filesize
340KB

Download
memory/4952-0-0x0000000075720000-0x0000000075775000-memory.dmp

Filesize
340KB

Download
memory/4952-98-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/4952-57-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/4952-51-0x0000000010000000-0x0000000010011000-memory.dmp

Filesize
68KB

Download
memory/4952-117-0x00000000005E0000-0x0000000000762000-memory.dmp

Filesize
1.5MB

Download
memory/4952-50-0x0000000002550000-0x0000000002558000-memory.dmp

Filesize
32KB

Download
memory/5008-68-0x0000000075110000-0x0000000075165000-memory.dmp

Filesize
340KB

Download
memory/5008-100-0x0000000075110000-0x0000000075165000-memory.dmp

Filesize
340KB

Download
memory/5008-110-0x0000000075110000-0x0000000075165000-memory.dmp

Filesize
340KB

Download