472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57

Analysis

max time kernel
44s
max time network
48s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
03/10/2022, 04:03

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General

Target

472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
Size

48KB
MD5

6a0ffb36a4e66aed5b32391e824f3cfa
SHA1

20ca98864621bc3fd6e413e8e102f442b1502d5a
SHA256

472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57
SHA512

83b6dc83c6de22f155c4d8f595ea2aa1f8f13a263f27e162be60e20ef8aeeab436eb5055abd674c670bede8e3c7860a0f8cb37d956adb938b7430af3c9a8af77
SSDEEP

768:WRU+NbykfR3PfG/qX4yI85JHxanwLvw4CFgHdtZw83F6Yi6asBUQxpm:WtR33GCX4CxawjZVH1Z8WLjp

Score

8^/10

persistence upx

Malware Config

Signatures

Sets DLL path for service in the registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\NWCWorkstation\Parameters\ServiceDll = "%SystemRoot%\\system32\\nwcwks.dll"	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/620-57-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
1312	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\SysWOW64\CMD.EXE	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
File created	C:\Windows\SysWOW64\nwcwks.dll	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe

Suspicious behavior: MapViewOfSection 21 IoCs

pid	Process
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
Token: SeTakeOwnershipPrivilege	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
Token: SeRestorePrivilege	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
Token: SeBackupPrivilege	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
Token: SeChangeNotifyPrivilege	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 620 wrote to memory of 372	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	5
PID 620 wrote to memory of 372	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	5
PID 620 wrote to memory of 372	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	5
PID 620 wrote to memory of 372	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	5
PID 620 wrote to memory of 372	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	5
PID 620 wrote to memory of 372	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	5
PID 620 wrote to memory of 372	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	5
PID 620 wrote to memory of 384	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	4
PID 620 wrote to memory of 384	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	4
PID 620 wrote to memory of 384	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	4
PID 620 wrote to memory of 384	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	4
PID 620 wrote to memory of 384	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	4
PID 620 wrote to memory of 384	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	4
PID 620 wrote to memory of 384	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	4
PID 620 wrote to memory of 420	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	3
PID 620 wrote to memory of 420	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	3
PID 620 wrote to memory of 420	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	3
PID 620 wrote to memory of 420	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	3
PID 620 wrote to memory of 420	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	3
PID 620 wrote to memory of 420	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	3
PID 620 wrote to memory of 420	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	3
PID 620 wrote to memory of 464	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	2
PID 620 wrote to memory of 464	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	2
PID 620 wrote to memory of 464	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	2
PID 620 wrote to memory of 464	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	2
PID 620 wrote to memory of 464	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	2
PID 620 wrote to memory of 464	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	2
PID 620 wrote to memory of 464	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	2
PID 620 wrote to memory of 480	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	1
PID 620 wrote to memory of 480	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	1
PID 620 wrote to memory of 480	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	1
PID 620 wrote to memory of 480	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	1
PID 620 wrote to memory of 480	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	1
PID 620 wrote to memory of 480	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	1
PID 620 wrote to memory of 480	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	1
PID 620 wrote to memory of 488	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	8
PID 620 wrote to memory of 488	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	8
PID 620 wrote to memory of 488	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	8
PID 620 wrote to memory of 488	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	8
PID 620 wrote to memory of 488	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	8
PID 620 wrote to memory of 488	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	8
PID 620 wrote to memory of 488	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	8
PID 620 wrote to memory of 592	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	25
PID 620 wrote to memory of 592	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	25
PID 620 wrote to memory of 592	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	25
PID 620 wrote to memory of 592	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	25
PID 620 wrote to memory of 592	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	25
PID 620 wrote to memory of 592	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	25
PID 620 wrote to memory of 592	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	25
PID 620 wrote to memory of 668	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	24
PID 620 wrote to memory of 668	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	24
PID 620 wrote to memory of 668	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	24
PID 620 wrote to memory of 668	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	24
PID 620 wrote to memory of 668	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	24
PID 620 wrote to memory of 668	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	24
PID 620 wrote to memory of 668	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	24
PID 620 wrote to memory of 752	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	23
PID 620 wrote to memory of 752	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	23
PID 620 wrote to memory of 752	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	23
PID 620 wrote to memory of 752	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	23
PID 620 wrote to memory of 752	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	23
PID 620 wrote to memory of 752	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	23
PID 620 wrote to memory of 752	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	23
PID 620 wrote to memory of 804	620	472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe	22

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\svchost.exe
  C:\Windows\system32\svchost.exe -k NetworkService
  2⤵
  PID:340
- C:\Windows\system32\taskhost.exe
  "taskhost.exe"
  2⤵
  PID:1108
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
  2⤵
  PID:1080
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
  2⤵
  PID:1788
- C:\Windows\system32\sppsvc.exe
  C:\Windows\system32\sppsvc.exe
  2⤵
  PID:1656
- C:\Windows\System32\spoolsv.exe
  C:\Windows\System32\spoolsv.exe
  2⤵
  PID:836
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k netsvcs
  2⤵
  PID:884
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k LocalService
  2⤵
  PID:840
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
  2⤵
  PID:804
- C:\Windows\System32\svchost.exe
  C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
  2⤵
  PID:752
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k RPCSS
  2⤵
  PID:668
- C:\Windows\system32\svchost.exe
  C:\Windows\system32\svchost.exe -k DcomLaunch
  2⤵
  PID:592
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\SysWOW64\svchost.exe -k netsvcs
  2⤵
  - Loads dropped DLL
  PID:1312

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\WMIADAP.EXE
wmiadap.exe /F /T /R
1⤵
PID:2012

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe
  "C:\Users\Admin\AppData\Local\Temp\472943d7cb41f78cc963b4a0b7f12cca7886920ee869d78154f87efc1fc14c57.exe"
  2⤵
  - Sets DLL path for service in the registry
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:620

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\??\c:\windows\SysWOW64\nwcwks.dll

Filesize
8KB

MD5
6ecf985cb1a3f2d7f5525d55bcf4bb8b

SHA1
240ff5600f273da2475aa18003fcda4e352fea13

SHA256
bff80bc0f86790a87f1010edfc31e2ad9ea712321f63e1129e3181ed57fe9b2b

SHA512
5d316fcd427ccc3e193c4575a8cdd964792f9630326fdf3530d6a727eaddd32bd008834b3385f114a8ddd96245b467915d879904321579142c129f8694842acd

Download Submit
\Windows\SysWOW64\nwcwks.dll

Filesize
8KB

MD5
6ecf985cb1a3f2d7f5525d55bcf4bb8b

SHA1
240ff5600f273da2475aa18003fcda4e352fea13

SHA256
bff80bc0f86790a87f1010edfc31e2ad9ea712321f63e1129e3181ed57fe9b2b

SHA512
5d316fcd427ccc3e193c4575a8cdd964792f9630326fdf3530d6a727eaddd32bd008834b3385f114a8ddd96245b467915d879904321579142c129f8694842acd

Download Submit
memory/620-54-0x0000000075711000-0x0000000075713000-memory.dmp

Filesize
8KB

Download
memory/620-57-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download