wannacry | c8a7800561daa664cb7aae74fafcb9d776e5d0f0dd181c0af31fa729403a8251

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2024 20:24

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General

Target

c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe
Size

3.6MB
MD5

c3c5ffe9ad07c3526a1b0a39fc921a6d
SHA1

50cf274511aa8e88d0fa190163908841bac6b500
SHA256

c8a7800561daa664cb7aae74fafcb9d776e5d0f0dd181c0af31fa729403a8251
SHA512

4dabeaa3b4e95213a6a489129c384612e8412e29f49ed17f4adbdcb2180dd4139d21a09a6c48d8212d27d7172ea21465cbb891b6aff19ea5744c5ef28db99396
SSDEEP

49152:2nAQqMSPbcBVL/5AMEcaEau3R8yAH1plAHI:yDqPoBd5593R8yAVp2HI

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3164) 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 1 IoCs

pid	Process
5012	tasksche.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 Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1684
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:5012

C:\Users\Admin\AppData\Local\Temp\c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\c3c5ffe9ad07c3526a1b0a39fc921a6d_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3088

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3996,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4192 /prefetch:8
1⤵
PID:4220

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\tasksche.exe

Filesize
3.4MB

MD5
ecc5c3e62e02437d549e97748e69e96e

SHA1
df81c8d97534ce651e3bf0d21cba9c7c83583b1f

SHA256
16a2ac4cc25fab34f106a92a42e18fb5ae33e35fdbe3506d9e4a2b0a4078b161

SHA512
9e508887a771ae156ed8e7c201563fc28e79246b159480e0ffc71378f01bece7d02c5355bddd5bda444d171238caf41705be7ab64acdf3b630ffe4a2d1641dbc

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