c858e10e29b769ca86445ba1bebdf708e88245da4e96c4afc967818e8293e099

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27-03-2023 09:33

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General

Target

HkMh_2.exe
Size

226KB
MD5

6d5aeb2b084f4fcc5defcd584953acf1
SHA1

56513de25668afef7ee860fec5934d7820a9f1f2
SHA256

1e3c843183830bb4c4f6078e866780b19f6967fa200d809998657f184934998d
SHA512

44f75c3f346d8de8911673ea75ebbdcd54a574b907cb5437ba3f457f487877b33f4e93372179b59e66ccf34383f273298c28ff4e0b6a1fa6cd4e030c84e308bb
SSDEEP

6144:bCahtHLoObzXYsWWYbEqaMyveyjV+nByskr:bNYdbgeyjwyr

Score

7^/10

persistence

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\hbk124A.tmp	acprotect

Loads dropped DLL 1 IoCs

Processes:

HkMh_2.exe

pid process

1728 HkMh_2.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

HkMh_2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Cntvs_Me_Please = "C:\\Users\\Admin\\AppData\\Local\\Temp\\HkMh_2.exe"	HkMh_2.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

HkMh_2.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	HkMh_2.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	HkMh_2.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

HkMh_2.exe

pid process

1728 HkMh_2.exe

Suspicious behavior: MapViewOfSection 22 IoCs

Processes:

HkMh_2.exe

pid	process
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe
1728	HkMh_2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

HkMh_2.exe

description pid process

Token: SeDebugPrivilege 1728 HkMh_2.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

HkMh_2.exe

pid process

1728 HkMh_2.exe

description	pid	process
Token: SeDebugPrivilege	1728	HkMh_2.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

HkMh_2.exe

description	pid	process	target process
PID 1728 wrote to memory of 372	1728	HkMh_2.exe	wininit.exe
PID 1728 wrote to memory of 372	1728	HkMh_2.exe	wininit.exe
PID 1728 wrote to memory of 372	1728	HkMh_2.exe	wininit.exe
PID 1728 wrote to memory of 372	1728	HkMh_2.exe	wininit.exe
PID 1728 wrote to memory of 372	1728	HkMh_2.exe	wininit.exe
PID 1728 wrote to memory of 372	1728	HkMh_2.exe	wininit.exe
PID 1728 wrote to memory of 372	1728	HkMh_2.exe	wininit.exe
PID 1728 wrote to memory of 384	1728	HkMh_2.exe	csrss.exe
PID 1728 wrote to memory of 384	1728	HkMh_2.exe	csrss.exe
PID 1728 wrote to memory of 384	1728	HkMh_2.exe	csrss.exe
PID 1728 wrote to memory of 384	1728	HkMh_2.exe	csrss.exe
PID 1728 wrote to memory of 384	1728	HkMh_2.exe	csrss.exe
PID 1728 wrote to memory of 384	1728	HkMh_2.exe	csrss.exe
PID 1728 wrote to memory of 384	1728	HkMh_2.exe	csrss.exe
PID 1728 wrote to memory of 420	1728	HkMh_2.exe	winlogon.exe
PID 1728 wrote to memory of 420	1728	HkMh_2.exe	winlogon.exe
PID 1728 wrote to memory of 420	1728	HkMh_2.exe	winlogon.exe
PID 1728 wrote to memory of 420	1728	HkMh_2.exe	winlogon.exe
PID 1728 wrote to memory of 420	1728	HkMh_2.exe	winlogon.exe
PID 1728 wrote to memory of 420	1728	HkMh_2.exe	winlogon.exe
PID 1728 wrote to memory of 420	1728	HkMh_2.exe	winlogon.exe
PID 1728 wrote to memory of 464	1728	HkMh_2.exe	services.exe
PID 1728 wrote to memory of 464	1728	HkMh_2.exe	services.exe
PID 1728 wrote to memory of 464	1728	HkMh_2.exe	services.exe
PID 1728 wrote to memory of 464	1728	HkMh_2.exe	services.exe
PID 1728 wrote to memory of 464	1728	HkMh_2.exe	services.exe
PID 1728 wrote to memory of 464	1728	HkMh_2.exe	services.exe
PID 1728 wrote to memory of 464	1728	HkMh_2.exe	services.exe
PID 1728 wrote to memory of 480	1728	HkMh_2.exe	lsass.exe
PID 1728 wrote to memory of 480	1728	HkMh_2.exe	lsass.exe
PID 1728 wrote to memory of 480	1728	HkMh_2.exe	lsass.exe
PID 1728 wrote to memory of 480	1728	HkMh_2.exe	lsass.exe
PID 1728 wrote to memory of 480	1728	HkMh_2.exe	lsass.exe
PID 1728 wrote to memory of 480	1728	HkMh_2.exe	lsass.exe
PID 1728 wrote to memory of 480	1728	HkMh_2.exe	lsass.exe
PID 1728 wrote to memory of 488	1728	HkMh_2.exe	lsm.exe
PID 1728 wrote to memory of 488	1728	HkMh_2.exe	lsm.exe
PID 1728 wrote to memory of 488	1728	HkMh_2.exe	lsm.exe
PID 1728 wrote to memory of 488	1728	HkMh_2.exe	lsm.exe
PID 1728 wrote to memory of 488	1728	HkMh_2.exe	lsm.exe
PID 1728 wrote to memory of 488	1728	HkMh_2.exe	lsm.exe
PID 1728 wrote to memory of 488	1728	HkMh_2.exe	lsm.exe
PID 1728 wrote to memory of 600	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 600	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 600	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 600	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 600	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 600	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 600	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 676	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 676	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 676	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 676	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 676	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 676	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 676	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 760	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 760	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 760	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 760	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 760	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 760	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 760	1728	HkMh_2.exe	svchost.exe
PID 1728 wrote to memory of 816	1728	HkMh_2.exe	svchost.exe

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:480

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:464

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
2⤵
PID:1028

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
2⤵
PID:756

C:\Windows\system32\sppsvc.exe
C:\Windows\system32\sppsvc.exe
2⤵
PID:1780

C:\Windows\system32\taskhost.exe
"taskhost.exe"
2⤵
PID:1132

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
2⤵
PID:1072

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService
2⤵
PID:280

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService
2⤵
PID:968

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs
2⤵
PID:852

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
2⤵
PID:816

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
2⤵
PID:760

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS
2⤵
PID:676

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch
2⤵
PID:600

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:420

C:\Windows\system32\csrss.exe
%SystemRoot%\system32\csrss.exe ObjectDirectory=\Windows SharedSection=1024,20480,768 Windows=On SubSystemType=Windows ServerDll=basesrv,1 ServerDll=winsrv:UserServerDllInitialization,3 ServerDll=winsrv:ConServerDllInitialization,2 ServerDll=sxssrv,4 ProfileControl=Off MaxRequestThreads=16
1⤵
PID:384

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:372

C:\Windows\system32\lsm.exe
C:\Windows\system32\lsm.exe
2⤵
PID:488

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe
1⤵
PID:2004

\\?\C:\Windows\system32\wbem\WMIADAP.EXE
wmiadap.exe /F /T /R
1⤵
PID:1976

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1260

C:\Users\Admin\AppData\Local\Temp\HkMh_2.exe
"C:\Users\Admin\AppData\Local\Temp\HkMh_2.exe"
2⤵
- Loads dropped DLL
- Adds Run key to start application
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1200

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\hbk124A.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
memory/1728-57-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1728-58-0x0000000001BA0000-0x0000000001C13000-memory.dmp

Filesize
460KB

Download
memory/1728-71-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1728-73-0x0000000001BA0000-0x0000000001C13000-memory.dmp

Filesize
460KB

Download