wannacry | 2fab19259a6a8ce55fed8ce40e3f2d1cf630461e177193696683e76d220c44ea

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 00:03

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General

Target
ce345025577e26843946a5b2456eeada_JaffaCakes118.exe
Size 3.6MB
Sample240906-ab4khsvfqq
SHA256 2fab19259a6a8ce55fed8ce40e3f2d1cf630461e177193696683e76d220c44ea
MD5 ce345025577e26843946a5b2456eeada
SHA1 2144fcb2ee7b4b694bb0abde64b8c3d71ead864a
SHA512 70e99c1470d2a747b3ad31f0326b30e459570c1c26f1bbb68b9c5bb687bc57cb93bc1689e767deb73fd28234aab96cd141927130de7463f2a8fd9c1b25dd3a7d
SSDEEP 98304:yDqPoBRcSUDk36SAEdhvxWa9P593R8yAVp2HI:yDqP+cxk3ZAEUadzR8yc4HI
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 (3337) 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
4984	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	ce345025577e26843946a5b2456eeada_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	ce345025577e26843946a5b2456eeada_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ce345025577e26843946a5b2456eeada_JaffaCakes118.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	ce345025577e26843946a5b2456eeada_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	ce345025577e26843946a5b2456eeada_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	ce345025577e26843946a5b2456eeada_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	ce345025577e26843946a5b2456eeada_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	ce345025577e26843946a5b2456eeada_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\ce345025577e26843946a5b2456eeada_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ce345025577e26843946a5b2456eeada_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:768
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  PID:4984

C:\Users\Admin\AppData\Local\Temp\ce345025577e26843946a5b2456eeada_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\ce345025577e26843946a5b2456eeada_JaffaCakes118.exe -m security
1⤵
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
PID:3324

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=4396,i,10597648459838880772,16562651767759956329,262144 --variations-seed-version --mojo-platform-channel-handle=4164 /prefetch:8
1⤵
PID:2456

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

tasksche.exe

Path C:\Windows\tasksche.exe
Size 3.4MB
SHA256 af778661599b1d588fe8e0f2418ff904fb36a5c7abd83c3b5cdf38b788793953
MD5 4a3a62770a4450fc64f3c631cd83f315
SHA1 b6150c08074851a7640a8499937b6ff35215ad02
SHA512 5335cb8dddc2b1d2db0e67e54e75aebec332ed62752c0bc522e81860f703f162c5d8e05ff5f49e0142fc521e2eda4cea2068b87aaef70245e85e9fb86a312711
SSDEEP 98304:QqPoBRcSUDk36SAEdhvxWa9P593R8yAVp2Hj:QqP+cxk3ZAEUadzR8yc4Hj
MD5 SHA1 SHA512 SSDEEP

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