wannacry | f63eb4858e66889e8b62e6e72fe5d5620995c3fccaa8cd23043c22ddb3c6aa02

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
15-01-2025 01:51

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General

Target

be3c1ef872e8e146ff78e66271ca261b.dll
Size

5.0MB
MD5

be3c1ef872e8e146ff78e66271ca261b
SHA1

0e3c7374332d4a507fdbd7b30f5f78d7a4fbafcc
SHA256

f63eb4858e66889e8b62e6e72fe5d5620995c3fccaa8cd23043c22ddb3c6aa02
SHA512

38cb75392e90e52a874f1e0bf128f3156d0e330fd67ca68f0b109219f232235eaf39e7e207c21c31aba01b15594c65bfabea8a40856000dfc4cd41699d4f0486
SSDEEP

98304:18qPoBhz1aRxcSUDk36SAEdhvxWa9P593R8s3:18qPe1Cxcxk3ZAEUadzR8s

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry
Contacts a large (3221) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Executes dropped EXE 2 IoCs

pid	Process
2772	mssecsvc.exe
2564	mssecsvc.exe

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Discovery
T1046

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	mssecsvc.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	mssecsvc.exe
File created	C:\WINDOWS\mssecsvc.exe	rundll32.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	mssecsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mssecsvc.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2772	mssecsvc.exe
2564	mssecsvc.exe

Suspicious behavior: MapViewOfSection 47 IoCs

pid	Process
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2772	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe
2564	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2772	mssecsvc.exe
Token: SeDebugPrivilege	2564	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2752	2708	rundll32.exe	30
PID 2708 wrote to memory of 2752	2708	rundll32.exe	30
PID 2708 wrote to memory of 2752	2708	rundll32.exe	30
PID 2708 wrote to memory of 2752	2708	rundll32.exe	30
PID 2708 wrote to memory of 2752	2708	rundll32.exe	30
PID 2708 wrote to memory of 2752	2708	rundll32.exe	30
PID 2708 wrote to memory of 2752	2708	rundll32.exe	30
PID 2752 wrote to memory of 2772	2752	rundll32.exe	31
PID 2752 wrote to memory of 2772	2752	rundll32.exe	31
PID 2752 wrote to memory of 2772	2752	rundll32.exe	31
PID 2752 wrote to memory of 2772	2752	rundll32.exe	31
PID 2772 wrote to memory of 380	2772	mssecsvc.exe	3
PID 2772 wrote to memory of 380	2772	mssecsvc.exe	3
PID 2772 wrote to memory of 380	2772	mssecsvc.exe	3
PID 2772 wrote to memory of 380	2772	mssecsvc.exe	3
PID 2772 wrote to memory of 380	2772	mssecsvc.exe	3
PID 2772 wrote to memory of 380	2772	mssecsvc.exe	3
PID 2772 wrote to memory of 380	2772	mssecsvc.exe	3
PID 2772 wrote to memory of 388	2772	mssecsvc.exe	4
PID 2772 wrote to memory of 388	2772	mssecsvc.exe	4
PID 2772 wrote to memory of 388	2772	mssecsvc.exe	4
PID 2772 wrote to memory of 388	2772	mssecsvc.exe	4
PID 2772 wrote to memory of 388	2772	mssecsvc.exe	4
PID 2772 wrote to memory of 388	2772	mssecsvc.exe	4
PID 2772 wrote to memory of 388	2772	mssecsvc.exe	4
PID 2772 wrote to memory of 428	2772	mssecsvc.exe	5
PID 2772 wrote to memory of 428	2772	mssecsvc.exe	5
PID 2772 wrote to memory of 428	2772	mssecsvc.exe	5
PID 2772 wrote to memory of 428	2772	mssecsvc.exe	5
PID 2772 wrote to memory of 428	2772	mssecsvc.exe	5
PID 2772 wrote to memory of 428	2772	mssecsvc.exe	5
PID 2772 wrote to memory of 428	2772	mssecsvc.exe	5
PID 2772 wrote to memory of 472	2772	mssecsvc.exe	6
PID 2772 wrote to memory of 472	2772	mssecsvc.exe	6
PID 2772 wrote to memory of 472	2772	mssecsvc.exe	6
PID 2772 wrote to memory of 472	2772	mssecsvc.exe	6
PID 2772 wrote to memory of 472	2772	mssecsvc.exe	6
PID 2772 wrote to memory of 472	2772	mssecsvc.exe	6
PID 2772 wrote to memory of 472	2772	mssecsvc.exe	6
PID 2772 wrote to memory of 488	2772	mssecsvc.exe	7
PID 2772 wrote to memory of 488	2772	mssecsvc.exe	7
PID 2772 wrote to memory of 488	2772	mssecsvc.exe	7
PID 2772 wrote to memory of 488	2772	mssecsvc.exe	7
PID 2772 wrote to memory of 488	2772	mssecsvc.exe	7
PID 2772 wrote to memory of 488	2772	mssecsvc.exe	7
PID 2772 wrote to memory of 488	2772	mssecsvc.exe	7
PID 2772 wrote to memory of 496	2772	mssecsvc.exe	8
PID 2772 wrote to memory of 496	2772	mssecsvc.exe	8
PID 2772 wrote to memory of 496	2772	mssecsvc.exe	8
PID 2772 wrote to memory of 496	2772	mssecsvc.exe	8
PID 2772 wrote to memory of 496	2772	mssecsvc.exe	8
PID 2772 wrote to memory of 496	2772	mssecsvc.exe	8
PID 2772 wrote to memory of 496	2772	mssecsvc.exe	8
PID 2772 wrote to memory of 600	2772	mssecsvc.exe	9
PID 2772 wrote to memory of 600	2772	mssecsvc.exe	9
PID 2772 wrote to memory of 600	2772	mssecsvc.exe	9
PID 2772 wrote to memory of 600	2772	mssecsvc.exe	9
PID 2772 wrote to memory of 600	2772	mssecsvc.exe	9
PID 2772 wrote to memory of 600	2772	mssecsvc.exe	9
PID 2772 wrote to memory of 600	2772	mssecsvc.exe	9
PID 2772 wrote to memory of 680	2772	mssecsvc.exe	10
PID 2772 wrote to memory of 680	2772	mssecsvc.exe	10
PID 2772 wrote to memory of 680	2772	mssecsvc.exe	10
PID 2772 wrote to memory of 680	2772	mssecsvc.exe	10

C:\Windows\system32\wininit.exe
wininit.exe
1⤵
PID:380
- C:\Windows\system32\services.exe
  C:\Windows\system32\services.exe
  2⤵
  PID:472
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch
    3⤵
    PID:600
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:852
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:812
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:680
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted
    3⤵
    PID:752
- - C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
    3⤵
    PID:824
  - - 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:860
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:976
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:296
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:348
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork
    3⤵
    PID:1072
- - C:\Windows\system32\taskhost.exe
    "taskhost.exe"
    3⤵
    PID:1112
- - C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE
    "C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPSVC.EXE"
    3⤵
    PID:1568
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2072
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2324
- - C:\WINDOWS\mssecsvc.exe
    C:\WINDOWS\mssecsvc.exe -m security
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Modifies data under HKEY_USERS
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of AdjustPrivilegeToken
    PID:2564
- C:\Windows\system32\lsass.exe
  C:\Windows\system32\lsass.exe
  2⤵
  PID:488
- C:\Windows\system32\lsm.exe
  C:\Windows\system32\lsm.exe
  2⤵
  PID:496

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:388

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:428

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\be3c1ef872e8e146ff78e66271ca261b.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2708
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\be3c1ef872e8e146ff78e66271ca261b.dll,#1
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2752
  - - C:\WINDOWS\mssecsvc.exe
      C:\WINDOWS\mssecsvc.exe
      4⤵
      Executes dropped EXE
      Drops file in Windows directory
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: MapViewOfSection
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

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\mssecsvc.exe

Filesize
3.6MB

MD5
433720564d376a59c4fc3f2f8acec030

SHA1
1b67a91e2cff865a48044c68450ff3e049c6fe03

SHA256
8a011965ce221498aea2c6ac4d3ee14baa25084754114a6b6b6d72da416df8e3

SHA512
40f87b8e000bde626eeabfb434548fd2e21c2d37ef169dc331854efd35e5b089132cc6f5865afdfa2d260ef82f1ffbe94a1e2ee5c5c41e34ac489b23e48ace0c

Download Submit
memory/2564-11-0x0000000000400000-0x0000000000A7A000-memory.dmp

Filesize
6.5MB

Download
memory/2564-19-0x0000000000400000-0x0000000000A7A000-memory.dmp

Filesize
6.5MB

Download
memory/2752-6-0x0000000002270000-0x00000000028EA000-memory.dmp

Filesize
6.5MB

Download
memory/2752-18-0x0000000002270000-0x00000000028EA000-memory.dmp

Filesize
6.5MB

Download
memory/2772-7-0x0000000000400000-0x0000000000A7A000-memory.dmp

Filesize
6.5MB

Download
memory/2772-9-0x0000000077770000-0x0000000077771000-memory.dmp

Filesize
4KB

Download
memory/2772-8-0x000000007776F000-0x0000000077770000-memory.dmp

Filesize
4KB

Download
memory/2772-17-0x0000000000400000-0x0000000000A7A000-memory.dmp

Filesize
6.5MB

Download
memory/2772-16-0x000000007EF90000-0x000000007EF9C000-memory.dmp

Filesize
48KB

Download
memory/2772-15-0x000000007776F000-0x0000000077770000-memory.dmp

Filesize
4KB

Download
memory/2772-12-0x0000000077770000-0x0000000077771000-memory.dmp

Filesize
4KB

Download