wannacry | ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967

Resubmissions

22-08-2024 18:39

240822-xamxpsvarj 10

09-05-2023 03:14

230509-drczaafh6w 10

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
09-05-2023 03:14

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General

Target

2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe
Size

6.4MB
MD5

8a016c4ee71532f20b892bb35eb954f4
SHA1

204c97ab720d12e6fa04cd8bea6da019c1d4317e
SHA256

ce2194c96ebab334f8484a7a3e45e2c3bb74296fc5eddd335abf3f5c65f34967
SHA512

a0ecffce2b724287e8ab01d23d95839d7e522bc27dc14be26b5089bf8704a46c176a87f02648f6ba646938217afb1b33c6e6557ff3dce528497d9b321310c9bd
SSDEEP

6144:YE9l9yKqIYVTH5DgSg8ajldktM0XXrV2QhMV9qb:YJbLgPluwQhMb

Score

10^/10

wannacry discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry

Executes dropped EXE 3 IoCs

pid	Process
4400	tasksche.exe
3844	tasksche.exe
2072	tasksche.exe

Modifies file permissions 1 TTPs 3 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1544	icacls.exe
5076	icacls.exe
4344	icacls.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\WINDOWS\tasksche.exe	2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 4400	2136	2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe	83
PID 2136 wrote to memory of 4400	2136	2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe	83
PID 2136 wrote to memory of 4400	2136	2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe	83
PID 4792 wrote to memory of 3844	4792	cmd.exe	84
PID 4792 wrote to memory of 3844	4792	cmd.exe	84
PID 4792 wrote to memory of 3844	4792	cmd.exe	84
PID 3844 wrote to memory of 1596	3844	tasksche.exe	87
PID 3844 wrote to memory of 1596	3844	tasksche.exe	87
PID 3844 wrote to memory of 1596	3844	tasksche.exe	87
PID 3844 wrote to memory of 5076	3844	tasksche.exe	86
PID 3844 wrote to memory of 5076	3844	tasksche.exe	86
PID 3844 wrote to memory of 5076	3844	tasksche.exe	86
PID 4400 wrote to memory of 2072	4400	tasksche.exe	97
PID 4400 wrote to memory of 2072	4400	tasksche.exe	97
PID 4400 wrote to memory of 2072	4400	tasksche.exe	97
PID 2072 wrote to memory of 3140	2072	tasksche.exe	101
PID 2072 wrote to memory of 3140	2072	tasksche.exe	101
PID 2072 wrote to memory of 3140	2072	tasksche.exe	101
PID 2072 wrote to memory of 4344	2072	tasksche.exe	98
PID 2072 wrote to memory of 4344	2072	tasksche.exe	98
PID 2072 wrote to memory of 4344	2072	tasksche.exe	98
PID 4400 wrote to memory of 2888	4400	tasksche.exe	102
PID 4400 wrote to memory of 2888	4400	tasksche.exe	102
PID 4400 wrote to memory of 2888	4400	tasksche.exe	102
PID 4400 wrote to memory of 1544	4400	tasksche.exe	103
PID 4400 wrote to memory of 1544	4400	tasksche.exe	103
PID 4400 wrote to memory of 1544	4400	tasksche.exe	103

Views/modifies file attributes 1 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
1596	attrib.exe
3140	attrib.exe
2888	attrib.exe

C:\Users\Admin\AppData\Local\Temp\2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe
"C:\Users\Admin\AppData\Local\Temp\2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:2136
- C:\WINDOWS\tasksche.exe
  C:\WINDOWS\tasksche.exe /i
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:4400
- - C:\ProgramData\xtiftaepcwzu133\tasksche.exe
    C:\ProgramData\xtiftaepcwzu133\tasksche.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of WriteProcessMemory
    PID:2072
  - - C:\Windows\SysWOW64\icacls.exe
      icacls . /grant Everyone:F /T /C /Q
      4⤵
      Modifies file permissions
      PID:4344
  - - C:\Windows\SysWOW64\attrib.exe
      attrib +h .
      4⤵
      Views/modifies file attributes
      PID:3140
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h .
    3⤵
    - Views/modifies file attributes
    PID:2888
- - C:\Windows\SysWOW64\icacls.exe
    icacls . /grant Everyone:F /T /C /Q
    3⤵
    - Modifies file permissions
    PID:1544

C:\Users\Admin\AppData\Local\Temp\2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe
C:\Users\Admin\AppData\Local\Temp\2023-05-08_8a016c4ee71532f20b892bb35eb954f4_wannacry.exe -m security
1⤵
- Modifies data under HKEY_USERS
PID:4948

C:\ProgramData\xtiftaepcwzu133\tasksche.exe
C:\ProgramData\xtiftaepcwzu133\tasksche.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3844
- C:\Windows\SysWOW64\icacls.exe
  icacls . /grant Everyone:F /T /C /Q
  2⤵
  - Modifies file permissions
  PID:5076
- C:\Windows\SysWOW64\attrib.exe
  attrib +h .
  2⤵
  - Views/modifies file attributes
  PID:1596

C:\Windows\system32\cmd.exe
cmd.exe /c "C:\ProgramData\xtiftaepcwzu133\tasksche.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4792

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Hidden Files and Directories

T1158

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\xtiftaepcwzu133\tasksche.exe

Filesize
3.4MB

MD5
a27cfbfad728fa5ec8e701a6f93cab26

SHA1
deba582c9c8f059590132395f987c2acf54e7a7f

SHA256
c0057fd3141966017014beb71fa2e31d84d3ddd2a9f20e3e6ee26df8165a531f

SHA512
8c095ccb3367903bc5498d0222ee537ef2bbd4f4204fe9a9a9babe2426d8a377240a15892e248e6e252bf3b229eecc8b1c960136988bf3398941e20a1e542b5d

Download Submit
C:\ProgramData\xtiftaepcwzu133\tasksche.exe

Filesize
3.4MB

MD5
a27cfbfad728fa5ec8e701a6f93cab26

SHA1
deba582c9c8f059590132395f987c2acf54e7a7f

SHA256
c0057fd3141966017014beb71fa2e31d84d3ddd2a9f20e3e6ee26df8165a531f

SHA512
8c095ccb3367903bc5498d0222ee537ef2bbd4f4204fe9a9a9babe2426d8a377240a15892e248e6e252bf3b229eecc8b1c960136988bf3398941e20a1e542b5d

Download Submit
C:\ProgramData\xtiftaepcwzu133\tasksche.exe

Filesize
3.4MB

MD5
a27cfbfad728fa5ec8e701a6f93cab26

SHA1
deba582c9c8f059590132395f987c2acf54e7a7f

SHA256
c0057fd3141966017014beb71fa2e31d84d3ddd2a9f20e3e6ee26df8165a531f

SHA512
8c095ccb3367903bc5498d0222ee537ef2bbd4f4204fe9a9a9babe2426d8a377240a15892e248e6e252bf3b229eecc8b1c960136988bf3398941e20a1e542b5d

Download Submit
C:\WINDOWS\tasksche.exe

Filesize
3.4MB

MD5
a27cfbfad728fa5ec8e701a6f93cab26

SHA1
deba582c9c8f059590132395f987c2acf54e7a7f

SHA256
c0057fd3141966017014beb71fa2e31d84d3ddd2a9f20e3e6ee26df8165a531f

SHA512
8c095ccb3367903bc5498d0222ee537ef2bbd4f4204fe9a9a9babe2426d8a377240a15892e248e6e252bf3b229eecc8b1c960136988bf3398941e20a1e542b5d

Download Submit
C:\Windows\tasksche.exe

Filesize
3.4MB

MD5
a27cfbfad728fa5ec8e701a6f93cab26

SHA1
deba582c9c8f059590132395f987c2acf54e7a7f

SHA256
c0057fd3141966017014beb71fa2e31d84d3ddd2a9f20e3e6ee26df8165a531f

SHA512
8c095ccb3367903bc5498d0222ee537ef2bbd4f4204fe9a9a9babe2426d8a377240a15892e248e6e252bf3b229eecc8b1c960136988bf3398941e20a1e542b5d

Download Submit
memory/2136-133-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/2136-139-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download
memory/4948-143-0x0000000000400000-0x0000000000A73000-memory.dmp

Filesize
6.4MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads