004ab2e6b90645cd072e49cb62d0f0f3d8e538fa904142a9f2ae09c1fe5a09a8

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
14/08/2024, 11:58

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General

Target

5dcbe833a8789f282348e49f567e1810N.exe
Size

48KB
MD5

5dcbe833a8789f282348e49f567e1810
SHA1

f9cdd8889b05374e0b474fc9ae71c55b7e8ffbde
SHA256

004ab2e6b90645cd072e49cb62d0f0f3d8e538fa904142a9f2ae09c1fe5a09a8
SHA512

2cb4355ec4c260094ef4a2f844aed15588cc182971deb1ddf6aa8291b8441212415060b4e1664af324fb83c15fa3baee985fca814bfb3bc036a228f1f0747477
SSDEEP

768:DamUkTe2uVf8VPZUpRwqK4RPRDUjojyH6ojY9P22ci9O+PHAW:Da9iexVfev64ojyHDmhF9O+/

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2276	rifzsk.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rifzsk.exe	5dcbe833a8789f282348e49f567e1810N.exe
File opened for modification	C:\WINDOWS\SysWOW64\RIFZSK.EXE	5dcbe833a8789f282348e49f567e1810N.exe
File opened for modification	C:\Windows\SysWOW64\rifzsk.exe	5dcbe833a8789f282348e49f567e1810N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2276 set thread context of 2560	2276	rifzsk.exe	31

System Location Discovery: System Language Discovery 1 TTPs 1 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	rifzsk.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1984	5dcbe833a8789f282348e49f567e1810N.exe

Suspicious behavior: MapViewOfSection 24 IoCs

pid	Process
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe
1984	5dcbe833a8789f282348e49f567e1810N.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1984	5dcbe833a8789f282348e49f567e1810N.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeTakeOwnershipPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeRestorePrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeBackupPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeChangeNotifyPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeTakeOwnershipPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeRestorePrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeBackupPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeChangeNotifyPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeTakeOwnershipPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeRestorePrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeBackupPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeChangeNotifyPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeTakeOwnershipPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeRestorePrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeBackupPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeChangeNotifyPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeTakeOwnershipPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeRestorePrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeBackupPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe
Token: SeChangeNotifyPrivilege	1984	5dcbe833a8789f282348e49f567e1810N.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 384	1984	5dcbe833a8789f282348e49f567e1810N.exe	3
PID 1984 wrote to memory of 384	1984	5dcbe833a8789f282348e49f567e1810N.exe	3
PID 1984 wrote to memory of 384	1984	5dcbe833a8789f282348e49f567e1810N.exe	3
PID 1984 wrote to memory of 384	1984	5dcbe833a8789f282348e49f567e1810N.exe	3
PID 1984 wrote to memory of 384	1984	5dcbe833a8789f282348e49f567e1810N.exe	3
PID 1984 wrote to memory of 396	1984	5dcbe833a8789f282348e49f567e1810N.exe	4
PID 1984 wrote to memory of 396	1984	5dcbe833a8789f282348e49f567e1810N.exe	4
PID 1984 wrote to memory of 396	1984	5dcbe833a8789f282348e49f567e1810N.exe	4
PID 1984 wrote to memory of 396	1984	5dcbe833a8789f282348e49f567e1810N.exe	4
PID 1984 wrote to memory of 396	1984	5dcbe833a8789f282348e49f567e1810N.exe	4
PID 1984 wrote to memory of 432	1984	5dcbe833a8789f282348e49f567e1810N.exe	5
PID 1984 wrote to memory of 432	1984	5dcbe833a8789f282348e49f567e1810N.exe	5
PID 1984 wrote to memory of 432	1984	5dcbe833a8789f282348e49f567e1810N.exe	5
PID 1984 wrote to memory of 432	1984	5dcbe833a8789f282348e49f567e1810N.exe	5
PID 1984 wrote to memory of 432	1984	5dcbe833a8789f282348e49f567e1810N.exe	5
PID 1984 wrote to memory of 476	1984	5dcbe833a8789f282348e49f567e1810N.exe	6
PID 1984 wrote to memory of 476	1984	5dcbe833a8789f282348e49f567e1810N.exe	6
PID 1984 wrote to memory of 476	1984	5dcbe833a8789f282348e49f567e1810N.exe	6
PID 1984 wrote to memory of 476	1984	5dcbe833a8789f282348e49f567e1810N.exe	6
PID 1984 wrote to memory of 476	1984	5dcbe833a8789f282348e49f567e1810N.exe	6
PID 1984 wrote to memory of 492	1984	5dcbe833a8789f282348e49f567e1810N.exe	7
PID 1984 wrote to memory of 492	1984	5dcbe833a8789f282348e49f567e1810N.exe	7
PID 1984 wrote to memory of 492	1984	5dcbe833a8789f282348e49f567e1810N.exe	7
PID 1984 wrote to memory of 492	1984	5dcbe833a8789f282348e49f567e1810N.exe	7
PID 1984 wrote to memory of 492	1984	5dcbe833a8789f282348e49f567e1810N.exe	7
PID 1984 wrote to memory of 500	1984	5dcbe833a8789f282348e49f567e1810N.exe	8
PID 1984 wrote to memory of 500	1984	5dcbe833a8789f282348e49f567e1810N.exe	8
PID 1984 wrote to memory of 500	1984	5dcbe833a8789f282348e49f567e1810N.exe	8
PID 1984 wrote to memory of 500	1984	5dcbe833a8789f282348e49f567e1810N.exe	8
PID 1984 wrote to memory of 500	1984	5dcbe833a8789f282348e49f567e1810N.exe	8
PID 1984 wrote to memory of 596	1984	5dcbe833a8789f282348e49f567e1810N.exe	9
PID 1984 wrote to memory of 596	1984	5dcbe833a8789f282348e49f567e1810N.exe	9
PID 1984 wrote to memory of 596	1984	5dcbe833a8789f282348e49f567e1810N.exe	9
PID 1984 wrote to memory of 596	1984	5dcbe833a8789f282348e49f567e1810N.exe	9
PID 1984 wrote to memory of 596	1984	5dcbe833a8789f282348e49f567e1810N.exe	9
PID 1984 wrote to memory of 672	1984	5dcbe833a8789f282348e49f567e1810N.exe	10
PID 1984 wrote to memory of 672	1984	5dcbe833a8789f282348e49f567e1810N.exe	10
PID 1984 wrote to memory of 672	1984	5dcbe833a8789f282348e49f567e1810N.exe	10
PID 1984 wrote to memory of 672	1984	5dcbe833a8789f282348e49f567e1810N.exe	10
PID 1984 wrote to memory of 672	1984	5dcbe833a8789f282348e49f567e1810N.exe	10
PID 1984 wrote to memory of 744	1984	5dcbe833a8789f282348e49f567e1810N.exe	11
PID 1984 wrote to memory of 744	1984	5dcbe833a8789f282348e49f567e1810N.exe	11
PID 1984 wrote to memory of 744	1984	5dcbe833a8789f282348e49f567e1810N.exe	11
PID 1984 wrote to memory of 744	1984	5dcbe833a8789f282348e49f567e1810N.exe	11
PID 1984 wrote to memory of 744	1984	5dcbe833a8789f282348e49f567e1810N.exe	11
PID 1984 wrote to memory of 812	1984	5dcbe833a8789f282348e49f567e1810N.exe	12
PID 1984 wrote to memory of 812	1984	5dcbe833a8789f282348e49f567e1810N.exe	12
PID 1984 wrote to memory of 812	1984	5dcbe833a8789f282348e49f567e1810N.exe	12
PID 1984 wrote to memory of 812	1984	5dcbe833a8789f282348e49f567e1810N.exe	12
PID 1984 wrote to memory of 812	1984	5dcbe833a8789f282348e49f567e1810N.exe	12
PID 1984 wrote to memory of 848	1984	5dcbe833a8789f282348e49f567e1810N.exe	13
PID 1984 wrote to memory of 848	1984	5dcbe833a8789f282348e49f567e1810N.exe	13
PID 1984 wrote to memory of 848	1984	5dcbe833a8789f282348e49f567e1810N.exe	13
PID 1984 wrote to memory of 848	1984	5dcbe833a8789f282348e49f567e1810N.exe	13
PID 1984 wrote to memory of 848	1984	5dcbe833a8789f282348e49f567e1810N.exe	13
PID 1984 wrote to memory of 968	1984	5dcbe833a8789f282348e49f567e1810N.exe	15
PID 1984 wrote to memory of 968	1984	5dcbe833a8789f282348e49f567e1810N.exe	15
PID 1984 wrote to memory of 968	1984	5dcbe833a8789f282348e49f567e1810N.exe	15
PID 1984 wrote to memory of 968	1984	5dcbe833a8789f282348e49f567e1810N.exe	15
PID 1984 wrote to memory of 968	1984	5dcbe833a8789f282348e49f567e1810N.exe	15
PID 1984 wrote to memory of 272	1984	5dcbe833a8789f282348e49f567e1810N.exe	16
PID 1984 wrote to memory of 272	1984	5dcbe833a8789f282348e49f567e1810N.exe	16
PID 1984 wrote to memory of 272	1984	5dcbe833a8789f282348e49f567e1810N.exe	16
PID 1984 wrote to memory of 272	1984	5dcbe833a8789f282348e49f567e1810N.exe	16

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:384
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  PID:476
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:596
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1412
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:108
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:672
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:744
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:812
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1164
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:848
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:968
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:272
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:292
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1072
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1108
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1740
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2208
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2284
- - C:\Windows\SysWOW64\rifzsk.exe
    C:\Windows\SysWOW64\rifzsk.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    PID:2276
  - - C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      4⤵
      PID:2560
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:492
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:500

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:396

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\5dcbe833a8789f282348e49f567e1810N.exe
  "C:\Users\Admin\AppData\Local\Temp\5dcbe833a8789f282348e49f567e1810N.exe"
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1984

C:\Users\Admin\AppData\Local\Temp\858094940\zmstage.exe
C:\Users\Admin\AppData\Local\Temp\858094940\zmstage.exe
1⤵
PID:2104

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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:\Windows\SysWOW64\rifzsk.exe

Filesize
48KB

MD5
5dcbe833a8789f282348e49f567e1810

SHA1
f9cdd8889b05374e0b474fc9ae71c55b7e8ffbde

SHA256
004ab2e6b90645cd072e49cb62d0f0f3d8e538fa904142a9f2ae09c1fe5a09a8

SHA512
2cb4355ec4c260094ef4a2f844aed15588cc182971deb1ddf6aa8291b8441212415060b4e1664af324fb83c15fa3baee985fca814bfb3bc036a228f1f0747477

Download Submit
memory/1984-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1984-3-0x0000000076EBF000-0x0000000076EC0000-memory.dmp

Filesize
4KB

Download
memory/1984-2-0x0000000076EC0000-0x0000000076EC1000-memory.dmp

Filesize
4KB

Download
memory/1984-12-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2276-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2560-8-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2560-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download