wannacry | ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa

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11-12-2024 13:16

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Analysis

max time kernel
0s
max time network
0s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 13:16

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General

Target

ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
Size

3.4MB
MD5

84c82835a5d21bbcf75a61706d8ab549
SHA1

5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
SHA256

ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
SHA512

90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244
SSDEEP

98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3x:QqPe1Cxcxk3ZAEUadzR8yc4gB

Score

10^/10

wannacry defense_evasion discovery ransomware worm

Malware Config

Signatures

Wannacry
WannaCry is a ransomware cryptoworm.
ransomware worm wannacry
Wannacry family
wannacry

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2712	icacls.exe

File and Directory Permissions Modification: Windows File and Directory Permissions Modification 1 TTPs
defense_evasion

Windows File and Directory Permissions Modification
T1222.001

System Location Discovery: System Language Discovery 1 TTPs 1 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	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 3036	2720	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	30
PID 2720 wrote to memory of 3036	2720	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	30
PID 2720 wrote to memory of 3036	2720	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	30
PID 2720 wrote to memory of 3036	2720	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	30
PID 2720 wrote to memory of 2712	2720	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	31
PID 2720 wrote to memory of 2712	2720	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	31
PID 2720 wrote to memory of 2712	2720	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	31
PID 2720 wrote to memory of 2712	2720	ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe	31

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3036	attrib.exe

C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe
"C:\Users\Admin\AppData\Local\Temp\ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SysWOW64\attrib.exe
  attrib +h .
  2⤵
  - Views/modifies file attributes
  PID:3036
- C:\Windows\SysWOW64\icacls.exe
  icacls . /grant Everyone:F /T /C /Q
  2⤵
  - Modifies file permissions
  PID:2712

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Windows File and Directory Permissions Modification

T1222.001

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Credential Access

Discovery

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:\Users\Admin\AppData\Local\Temp\msg\m_french.wnry

Filesize
37KB

MD5
4e57113a6bf6b88fdd32782a4a381274

SHA1
0fccbc91f0f94453d91670c6794f71348711061d

SHA256
9bd38110e6523547aed50617ddc77d0920d408faeed2b7a21ab163fda22177bc

SHA512
4f1918a12269c654d44e9d394bc209ef0bc32242be8833a2fba437b879125177e149f56f2fb0c302330dec328139b34982c04b3fefb045612b6cc9f83ec85aa9

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