wannacry | 9804e88be5f0f13396d93e7d56b478a03263d937f67a36dd884c004e1cc54ffa

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
02/06/2024, 23:02

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General

Target
8fbde6ae2141279e4776eb283a3e2125_JaffaCakes118.exe
Size 3.6MB
Sample240602-21fcrsac6w
SHA256 9804e88be5f0f13396d93e7d56b478a03263d937f67a36dd884c004e1cc54ffa
MD5 8fbde6ae2141279e4776eb283a3e2125
SHA1 8d7c73ca66c2c0e302a9c0b196d89b208cb98acc
SHA512 b12946fd6ec9601f78cefafbf57d0345e35432462bda17bfc9249fd7d9815b6d5d0564a560a2aa72f76b03ef166a0f9a6c84cb710dd04950c2d3bb60fe801cf2
SSDEEP 12288:GvbLgPlu+QhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D+:2bLgddQhfdmMSirYbcMNgef0d
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Contacts a large (3329) 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
3276	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	8fbde6ae2141279e4776eb283a3e2125_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	8fbde6ae2141279e4776eb283a3e2125_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	8fbde6ae2141279e4776eb283a3e2125_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	8fbde6ae2141279e4776eb283a3e2125_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	8fbde6ae2141279e4776eb283a3e2125_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	8fbde6ae2141279e4776eb283a3e2125_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\8fbde6ae2141279e4776eb283a3e2125_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8fbde6ae2141279e4776eb283a3e2125_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
PID:1632
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:3276

C:\Users\Admin\AppData\Local\Temp\8fbde6ae2141279e4776eb283a3e2125_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\8fbde6ae2141279e4776eb283a3e2125_JaffaCakes118.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4528

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 12e174e01d44f5e38f81e11777c44ba6bf0d4b9aa36530800ff29a8949770c80
MD5 265fbd0f063b6f16303b05be6e6147cf
SHA1 ea6397d2b4107e77373ef5f3671badc8295f586d
SHA512 0c65a2569190a6ddf7ea592ffbecad87b11dd7c3d24d4c90f28bba6a06052573b64c851b4e880aaa983809f7ef347b0a81202a810dabae7557a946bcc9bfa5fe
SSDEEP 12288:nQhMbaIMu7L5NVErCA4z2g6rTcbckPU82900Ve7zw+K+D+:nQhfdmMSirYbcMNgef0d
MD5 SHA1 SHA512 SSDEEP

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