438e44aae94e8376d2e36e23212920e936b7517bca24eaf66e9d7d014e21552c

Analysis

max time kernel
147s
max time network
151s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27-03-2023 09:42

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General

Target

Mh.exe
Size

410KB
MD5

6b6fa473cd53b3b1d20fb7d0d7d94dd2
SHA1

ac8682258ec2a9556c5b06dac4b70aa7f408146b
SHA256

e4a5f740683ce26d8312c336e1a2d50aa5b56efe61fc793ff3f9dc08af2da30d
SHA512

59a132a04c621aad34c2130895e1c33f8a988a1d400b91ab712c4058ab6fefda698d01f395dd88f15cc8382f6826eee6550296b00981581a5b8abb10682fe9b0
SSDEEP

6144:66a0cy+o0eBYJw2acFyuItrcF7Faf3DROwunbNvTr:7XP0pJvacFyuItgZiTROwuxvTr

Score

7^/10

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 3 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\bck1D13.tmp	acprotect
\Windows\Temp\qdk21A5.tmp	acprotect
C:\Windows\Temp\qdk21A5.tmp	acprotect

Executes dropped EXE 1 IoCs

Processes:

update.exe

pid process

1332 update.exe
Loads dropped DLL 2 IoCs

Processes:

Mh.exeupdate.exe

pid process

2040 Mh.exe
1332 update.exe
Drops file in Windows directory 1 IoCs

Processes:

Mh.exe

description ioc process

File created C:\Windows\update.exe Mh.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Mh.exeupdate.exe

pid process

2040 Mh.exe
1332 update.exe

pid	process
1332	update.exe

description	ioc	process
File created	C:\Windows\update.exe	Mh.exe

Suspicious behavior: MapViewOfSection 45 IoCs

Processes:

Mh.exeupdate.exe

pid	process
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
2040	Mh.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe
1332	update.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Mh.exeupdate.exe

description pid process

Token: SeDebugPrivilege 2040 Mh.exe
Token: SeDebugPrivilege 1332 update.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Mh.exeupdate.exe

pid process

2040 Mh.exe
1332 update.exe

description	pid	process
Token: SeDebugPrivilege	2040	Mh.exe
Token: SeDebugPrivilege	1332	update.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

Mh.exe

description	pid	process	target process
PID 2040 wrote to memory of 368	2040	Mh.exe	wininit.exe
PID 2040 wrote to memory of 368	2040	Mh.exe	wininit.exe
PID 2040 wrote to memory of 368	2040	Mh.exe	wininit.exe
PID 2040 wrote to memory of 368	2040	Mh.exe	wininit.exe
PID 2040 wrote to memory of 368	2040	Mh.exe	wininit.exe
PID 2040 wrote to memory of 368	2040	Mh.exe	wininit.exe
PID 2040 wrote to memory of 368	2040	Mh.exe	wininit.exe
PID 2040 wrote to memory of 384	2040	Mh.exe	csrss.exe
PID 2040 wrote to memory of 384	2040	Mh.exe	csrss.exe
PID 2040 wrote to memory of 384	2040	Mh.exe	csrss.exe
PID 2040 wrote to memory of 384	2040	Mh.exe	csrss.exe
PID 2040 wrote to memory of 384	2040	Mh.exe	csrss.exe
PID 2040 wrote to memory of 384	2040	Mh.exe	csrss.exe
PID 2040 wrote to memory of 384	2040	Mh.exe	csrss.exe
PID 2040 wrote to memory of 420	2040	Mh.exe	winlogon.exe
PID 2040 wrote to memory of 420	2040	Mh.exe	winlogon.exe
PID 2040 wrote to memory of 420	2040	Mh.exe	winlogon.exe
PID 2040 wrote to memory of 420	2040	Mh.exe	winlogon.exe
PID 2040 wrote to memory of 420	2040	Mh.exe	winlogon.exe
PID 2040 wrote to memory of 420	2040	Mh.exe	winlogon.exe
PID 2040 wrote to memory of 420	2040	Mh.exe	winlogon.exe
PID 2040 wrote to memory of 468	2040	Mh.exe	services.exe
PID 2040 wrote to memory of 468	2040	Mh.exe	services.exe
PID 2040 wrote to memory of 468	2040	Mh.exe	services.exe
PID 2040 wrote to memory of 468	2040	Mh.exe	services.exe
PID 2040 wrote to memory of 468	2040	Mh.exe	services.exe
PID 2040 wrote to memory of 468	2040	Mh.exe	services.exe
PID 2040 wrote to memory of 468	2040	Mh.exe	services.exe
PID 2040 wrote to memory of 476	2040	Mh.exe	lsass.exe
PID 2040 wrote to memory of 476	2040	Mh.exe	lsass.exe
PID 2040 wrote to memory of 476	2040	Mh.exe	lsass.exe
PID 2040 wrote to memory of 476	2040	Mh.exe	lsass.exe
PID 2040 wrote to memory of 476	2040	Mh.exe	lsass.exe
PID 2040 wrote to memory of 476	2040	Mh.exe	lsass.exe
PID 2040 wrote to memory of 476	2040	Mh.exe	lsass.exe
PID 2040 wrote to memory of 484	2040	Mh.exe	lsm.exe
PID 2040 wrote to memory of 484	2040	Mh.exe	lsm.exe
PID 2040 wrote to memory of 484	2040	Mh.exe	lsm.exe
PID 2040 wrote to memory of 484	2040	Mh.exe	lsm.exe
PID 2040 wrote to memory of 484	2040	Mh.exe	lsm.exe
PID 2040 wrote to memory of 484	2040	Mh.exe	lsm.exe
PID 2040 wrote to memory of 484	2040	Mh.exe	lsm.exe
PID 2040 wrote to memory of 596	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 596	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 596	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 596	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 596	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 596	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 596	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 672	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 672	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 672	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 672	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 672	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 672	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 672	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 748	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 748	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 748	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 748	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 748	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 748	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 748	2040	Mh.exe	svchost.exe
PID 2040 wrote to memory of 812	2040	Mh.exe	svchost.exe

C:\Windows\system32\lsass.exe
C:\Windows\system32\lsass.exe
1⤵
PID:476

C:\Windows\system32\services.exe
C:\Windows\system32\services.exe
1⤵
PID:468

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

\\?\C:\Windows\system32\wbem\WMIADAP.EXE
wmiadap.exe /F /T /R
3⤵
PID:1964

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
2⤵
PID:1140

C:\Windows\system32\sppsvc.exe
C:\Windows\system32\sppsvc.exe
2⤵
PID:1584

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
2⤵
PID:1780

C:\Windows\system32\taskhost.exe
"taskhost.exe"
2⤵
PID:1072

C:\Windows\System32\spoolsv.exe
C:\Windows\System32\spoolsv.exe
2⤵
PID:988

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService
2⤵
PID:276

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService
2⤵
PID:964

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
2⤵
PID:812

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
2⤵
PID:748

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS
2⤵
PID:672

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch
2⤵
PID:596

C:\Windows\update.exe
C:\Windows\update.exe
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1332

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\lsm.exe
C:\Windows\system32\lsm.exe
1⤵
PID:484

C:\Windows\system32\wbem\wmiprvse.exe
C:\Windows\system32\wbem\wmiprvse.exe
1⤵
PID:1880

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188

C:\Users\Admin\AppData\Local\Temp\Mh.exe
"C:\Users\Admin\AppData\Local\Temp\Mh.exe"
2⤵
- Loads dropped DLL
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1128

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:368

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Windows\Temp\adk2204.tmp
Filesize
237KB

MD5
7bc53c4e584b5b3952f51f30b614a13f

SHA1
37e3bb970ae0338ca244a3ad270802bb6f447d38

SHA256
1aa9171c8fdb831b8d8c32273b3cd911eb0b4ef7024017d057231f96360020e4

SHA512
57a6ff6c10ff42c8998ca920b934ea071f75b6fe1172e768bfa318e98a6cda2869bd678d7f569b14106601bc7efb0ea1725d1d1a538227616695e017a8abe59f

Download Submit
C:\Windows\Temp\qdk21A5.tmp
Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
C:\Windows\update.exe
Filesize
410KB

MD5
6b6fa473cd53b3b1d20fb7d0d7d94dd2

SHA1
ac8682258ec2a9556c5b06dac4b70aa7f408146b

SHA256
e4a5f740683ce26d8312c336e1a2d50aa5b56efe61fc793ff3f9dc08af2da30d

SHA512
59a132a04c621aad34c2130895e1c33f8a988a1d400b91ab712c4058ab6fefda698d01f395dd88f15cc8382f6826eee6550296b00981581a5b8abb10682fe9b0

Download Submit
C:\Windows\update.exe
Filesize
410KB

MD5
6b6fa473cd53b3b1d20fb7d0d7d94dd2

SHA1
ac8682258ec2a9556c5b06dac4b70aa7f408146b

SHA256
e4a5f740683ce26d8312c336e1a2d50aa5b56efe61fc793ff3f9dc08af2da30d

SHA512
59a132a04c621aad34c2130895e1c33f8a988a1d400b91ab712c4058ab6fefda698d01f395dd88f15cc8382f6826eee6550296b00981581a5b8abb10682fe9b0

Download Submit
\Users\Admin\AppData\Local\Temp\bck1D13.tmp
Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
\Windows\Temp\qdk21A5.tmp
Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
memory/1332-90-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1332-91-0x0000000000840000-0x0000000000881000-memory.dmp

Filesize
260KB

Download
memory/1332-103-0x0000000000450000-0x00000000004C3000-memory.dmp

Filesize
460KB

Download
memory/1332-80-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/1332-71-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1332-84-0x0000000000840000-0x0000000000881000-memory.dmp

Filesize
260KB

Download
memory/1332-85-0x0000000000840000-0x0000000000881000-memory.dmp

Filesize
260KB

Download
memory/1332-86-0x0000000000840000-0x0000000000881000-memory.dmp

Filesize
260KB

Download
memory/1332-87-0x0000000000450000-0x00000000004C3000-memory.dmp

Filesize
460KB

Download
memory/2040-62-0x0000000010000000-0x0000000010015000-memory.dmp

Filesize
84KB

Download
memory/2040-69-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2040-94-0x00000000004C0000-0x0000000000533000-memory.dmp

Filesize
460KB

Download
memory/2040-70-0x00000000004C0000-0x0000000000533000-memory.dmp

Filesize
460KB

Download
memory/2040-108-0x00000000004C0000-0x0000000000533000-memory.dmp

Filesize
460KB

Download