wannacry | 0b689b231001383b2bb147c21580efe41c85ffd2666c12f4880e3991f6e836cc

Resubmissions

13/10/2024, 13:51

241013-q5sywavamk 10

07/10/2024, 18:21

241007-wzlv9svdrf 10

28/09/2024, 13:59

240928-rawa7asbmd 10

28/09/2024, 08:37

240928-kjcrwayfnd 10

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
13/10/2024, 13:51

Sharing

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General

Target

fbe91e0cbe5875ec547e4f8dc7737848_JaffaCakes118.dll
Size

5.0MB
MD5

fbe91e0cbe5875ec547e4f8dc7737848
SHA1

5e2da4e5dc9acd6bb22599a9c1c1f6f7dec4973b
SHA256

0b689b231001383b2bb147c21580efe41c85ffd2666c12f4880e3991f6e836cc
SHA512

b7c8ffbf7875c768e866d596a322755cf9aec46d8b643b6bbbc2b4413abf591ffe9811442954c5891c3b2bc26f801c4f48cebf8f5702bb7c49d58a2051b0b2e8
SSDEEP

49152:enAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAAZ0vZ6GIk:KDqPoBhz1aRxcSUDk36SAc0B6GIk

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3283) 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
2076	mssecsvc.exe
1356	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\mssecsvc.exe	rundll32.exe
File created	C:\WINDOWS\tasksche.exe	mssecsvc.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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mssecsvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mssecsvc.exe

Modifies data under HKEY_USERS 24 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-42-25-49-20-cc\WpadDecision = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}\WpadDecision = "0"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-42-25-49-20-cc	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-42-25-49-20-cc\WpadDecisionReason = "1"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	mssecsvc.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}\WpadDecisionReason = "1"	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}\WpadDecisionTime = 704efbf7761ddb01	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\8a-42-25-49-20-cc\WpadDecisionTime = 704efbf7761ddb01	mssecsvc.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0062000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mssecsvc.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}\WpadNetworkName = "Network 3"	mssecsvc.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{B3C84FC9-9E7B-4A2E-91BE-E9C688CA8978}\8a-42-25-49-20-cc	mssecsvc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2076	mssecsvc.exe
1356	mssecsvc.exe

Suspicious behavior: MapViewOfSection 47 IoCs

pid	Process
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
2076	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe
1356	mssecsvc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2076	mssecsvc.exe
Token: SeDebugPrivilege	1356	mssecsvc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2164	2384	rundll32.exe	30
PID 2384 wrote to memory of 2164	2384	rundll32.exe	30
PID 2384 wrote to memory of 2164	2384	rundll32.exe	30
PID 2384 wrote to memory of 2164	2384	rundll32.exe	30
PID 2384 wrote to memory of 2164	2384	rundll32.exe	30
PID 2384 wrote to memory of 2164	2384	rundll32.exe	30
PID 2384 wrote to memory of 2164	2384	rundll32.exe	30
PID 2164 wrote to memory of 2076	2164	rundll32.exe	31
PID 2164 wrote to memory of 2076	2164	rundll32.exe	31
PID 2164 wrote to memory of 2076	2164	rundll32.exe	31
PID 2164 wrote to memory of 2076	2164	rundll32.exe	31
PID 2076 wrote to memory of 380	2076	mssecsvc.exe	3
PID 2076 wrote to memory of 380	2076	mssecsvc.exe	3
PID 2076 wrote to memory of 380	2076	mssecsvc.exe	3
PID 2076 wrote to memory of 380	2076	mssecsvc.exe	3
PID 2076 wrote to memory of 380	2076	mssecsvc.exe	3
PID 2076 wrote to memory of 380	2076	mssecsvc.exe	3
PID 2076 wrote to memory of 380	2076	mssecsvc.exe	3
PID 2076 wrote to memory of 388	2076	mssecsvc.exe	4
PID 2076 wrote to memory of 388	2076	mssecsvc.exe	4
PID 2076 wrote to memory of 388	2076	mssecsvc.exe	4
PID 2076 wrote to memory of 388	2076	mssecsvc.exe	4
PID 2076 wrote to memory of 388	2076	mssecsvc.exe	4
PID 2076 wrote to memory of 388	2076	mssecsvc.exe	4
PID 2076 wrote to memory of 388	2076	mssecsvc.exe	4
PID 2076 wrote to memory of 428	2076	mssecsvc.exe	5
PID 2076 wrote to memory of 428	2076	mssecsvc.exe	5
PID 2076 wrote to memory of 428	2076	mssecsvc.exe	5
PID 2076 wrote to memory of 428	2076	mssecsvc.exe	5
PID 2076 wrote to memory of 428	2076	mssecsvc.exe	5
PID 2076 wrote to memory of 428	2076	mssecsvc.exe	5
PID 2076 wrote to memory of 428	2076	mssecsvc.exe	5
PID 2076 wrote to memory of 472	2076	mssecsvc.exe	6
PID 2076 wrote to memory of 472	2076	mssecsvc.exe	6
PID 2076 wrote to memory of 472	2076	mssecsvc.exe	6
PID 2076 wrote to memory of 472	2076	mssecsvc.exe	6
PID 2076 wrote to memory of 472	2076	mssecsvc.exe	6
PID 2076 wrote to memory of 472	2076	mssecsvc.exe	6
PID 2076 wrote to memory of 472	2076	mssecsvc.exe	6
PID 2076 wrote to memory of 488	2076	mssecsvc.exe	7
PID 2076 wrote to memory of 488	2076	mssecsvc.exe	7
PID 2076 wrote to memory of 488	2076	mssecsvc.exe	7
PID 2076 wrote to memory of 488	2076	mssecsvc.exe	7
PID 2076 wrote to memory of 488	2076	mssecsvc.exe	7
PID 2076 wrote to memory of 488	2076	mssecsvc.exe	7
PID 2076 wrote to memory of 488	2076	mssecsvc.exe	7
PID 2076 wrote to memory of 496	2076	mssecsvc.exe	8
PID 2076 wrote to memory of 496	2076	mssecsvc.exe	8
PID 2076 wrote to memory of 496	2076	mssecsvc.exe	8
PID 2076 wrote to memory of 496	2076	mssecsvc.exe	8
PID 2076 wrote to memory of 496	2076	mssecsvc.exe	8
PID 2076 wrote to memory of 496	2076	mssecsvc.exe	8
PID 2076 wrote to memory of 496	2076	mssecsvc.exe	8
PID 2076 wrote to memory of 588	2076	mssecsvc.exe	9
PID 2076 wrote to memory of 588	2076	mssecsvc.exe	9
PID 2076 wrote to memory of 588	2076	mssecsvc.exe	9
PID 2076 wrote to memory of 588	2076	mssecsvc.exe	9
PID 2076 wrote to memory of 588	2076	mssecsvc.exe	9
PID 2076 wrote to memory of 588	2076	mssecsvc.exe	9
PID 2076 wrote to memory of 588	2076	mssecsvc.exe	9
PID 2076 wrote to memory of 668	2076	mssecsvc.exe	10
PID 2076 wrote to memory of 668	2076	mssecsvc.exe	10
PID 2076 wrote to memory of 668	2076	mssecsvc.exe	10
PID 2076 wrote to memory of 668	2076	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:588
  - - C:\Windows\system32\wbem\wmiprvse.exe
      C:\Windows\system32\wbem\wmiprvse.exe
      4⤵
      PID:1236
  - - C:\Windows\system32\DllHost.exe
      C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
      4⤵
      PID:1496
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k RPCSS
    3⤵
    PID:668
- - 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:808
  - - C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      4⤵
      PID:1160
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs
    3⤵
    PID:836
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalService
    3⤵
    PID:964
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k NetworkService
    3⤵
    PID:112
- - C:\Windows\System32\spoolsv.exe
    C:\Windows\System32\spoolsv.exe
    3⤵
    PID:1020
- - 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:2044
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation
    3⤵
    PID:2256
- - C:\Windows\system32\sppsvc.exe
    C:\Windows\system32\sppsvc.exe
    3⤵
    PID:2480
- - 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:1356
- 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:1196
- C:\Windows\system32\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbe91e0cbe5875ec547e4f8dc7737848_JaffaCakes118.dll,#1
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fbe91e0cbe5875ec547e4f8dc7737848_JaffaCakes118.dll,#1
    3⤵
    - Drops file in Windows directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2164
  - - 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:2076

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
b2f2fc850ea25b02bfe431ed8c6bd410

SHA1
638510f86036e6dc0131e4a708a3f2e35411e2ca

SHA256
77f6052acc6348b35e3db64f5dd48e026cdcafdb6e55acb13d5bb040c731b80f

SHA512
683ffce735dfff080f4a75b8892546361e93d66b98dfba8f1a1203419bdb6f112bc59d02bb39961032c6eb9388f6d8a4dc14406219f944893d383c44a5683eb3

Download Submit
memory/1356-11-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/1356-18-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2076-9-0x000000007721F000-0x0000000077220000-memory.dmp

Filesize
4KB

Download
memory/2076-8-0x0000000077220000-0x0000000077221000-memory.dmp

Filesize
4KB

Download
memory/2076-7-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2076-17-0x0000000000400000-0x0000000000A72000-memory.dmp

Filesize
6.4MB

Download
memory/2076-16-0x000000007EF70000-0x000000007EF7C000-memory.dmp

Filesize
48KB

Download
memory/2076-15-0x000000007721F000-0x0000000077220000-memory.dmp

Filesize
4KB

Download
memory/2076-14-0x0000000077220000-0x0000000077221000-memory.dmp

Filesize
4KB

Download
memory/2164-6-0x00000000021D0000-0x0000000002842000-memory.dmp

Filesize
6.4MB

Download