Resubmissions
08-06-2024 08:50
240608-krvyesae91 1008-05-2024 16:15
240508-tqnx6ach3w 1008-05-2024 16:07
240508-tkr3mafa54 1001-05-2024 18:02
240501-wmf49acg3s 627-04-2024 08:46
240427-kpfeysff8s 1025-04-2024 21:25
240425-z9y55afb7v 1025-04-2024 21:16
240425-z4pphafa97 1025-04-2024 18:27
240425-w3929sde33 1025-04-2024 18:17
240425-ww4a5sdc8x 10General
-
Target
Malware.zip
-
Size
6.4MB
-
Sample
240425-wpen7sdd35
-
MD5
2570272f3d1d089334463f58135099be
-
SHA1
c3c47f1a8420d11be52cf69f2cafcec450b36b36
-
SHA256
2a45e44be359fba4c85591e7b13d1ec772ed181adc41254d8b00d31b2d15878e
-
SHA512
4921f1e3fa8dc8b019587aad62a67b449175fe6cfb8e7b01474a3eb5683c1c475f34247e4a6b248bea3e432ed413721519a52b2d1ef0f3f088876cd98cec31f9
-
SSDEEP
196608:Pjlmaezq3Z39giBgtmHmZMXQ/4LQH6TBAyigHRHu+MKiB:PYaIwgiKt2O9/rH6T6yigHRHGxB
Static task
static1
Behavioral task
behavioral1
Sample
Memz.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Memz.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
NoEscape.exe
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
NoEscape.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
WannaCrypt0r.exe
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
WannaCrypt0r.exe
Resource
win10v2004-20240412-en
Malware Config
Extracted
C:\Users\Admin\Documents\@[email protected]
wannacry
13AM4VW2dhxYgXeQepoHkHSQuy6NgaEb94
Extracted
C:\Users\Admin\AppData\Local\Temp\@[email protected]
wannacry
115p7UMMngoj1pMvkpHijcRdfJNXj6LrLn
Targets
-
-
Target
Memz.exe
-
Size
14KB
-
MD5
19dbec50735b5f2a72d4199c4e184960
-
SHA1
6fed7732f7cb6f59743795b2ab154a3676f4c822
-
SHA256
a3d5715a81f2fbeb5f76c88c9c21eeee87142909716472f911ff6950c790c24d
-
SHA512
aa8a6bbb1ec516d5d5acf8be6863a4c6c5d754cee12b3d374c3a6acb393376806edc422f0ffb661c210e5b9485da88521e4a0956a4b7b08a5467cfaacd90591d
-
SSDEEP
192:sIvxdXSQeWSg9JJS/lcIEiwqZKBkDFR43xWTM3LHn8f26gyr6yfFCj3r:sMVSaSEglcIqq3agmLc+6gyWqFCj
Score7/10-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
-
-
Target
NoEscape.exe
-
Size
666KB
-
MD5
989ae3d195203b323aa2b3adf04e9833
-
SHA1
31a45521bc672abcf64e50284ca5d4e6b3687dc8
-
SHA256
d30d7676a3b4c91b77d403f81748ebf6b8824749db5f860e114a8a204bca5b8f
-
SHA512
e9d4e6295869f3a456c7ea2850c246d0c22afa65c2dd5161744ee5b3e29e44d9a2d758335f98001cdb348eaa51a71cd441b4ddc12c8d72509388657126e69305
-
SSDEEP
12288:85J5X487qJUtcWfkVJ6g5s/cD01oKHQyis2AePsr8nP712TB:s487pcZEgwcDpg1L2tbPR2t
Score10/10-
Modifies WinLogon for persistence
-
Disables RegEdit via registry modification
-
Drops desktop.ini file(s)
-
Modifies WinLogon
-
Sets desktop wallpaper using registry
-
-
-
Target
WannaCrypt0r.exe
-
Size
3.4MB
-
MD5
84c82835a5d21bbcf75a61706d8ab549
-
SHA1
5ff465afaabcbf0150d1a3ab2c2e74f3a4426467
-
SHA256
ed01ebfbc9eb5bbea545af4d01bf5f1071661840480439c6e5babe8e080e41aa
-
SHA512
90723a50c20ba3643d625595fd6be8dcf88d70ff7f4b4719a88f055d5b3149a4231018ea30d375171507a147e59f73478c0c27948590794554d031e7d54b7244
-
SSDEEP
98304:QqPoBhz1aRxcSUDk36SAEdhvxWa9P593R8yAVp2g3x:QqPe1Cxcxk3ZAEUadzR8yc4gB
-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Modifies file permissions
-
Adds Run key to start application
-
Sets desktop wallpaper using registry
-
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Pre-OS Boot
1Bootkit
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
1Winlogon Helper DLL
2Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1File and Directory Permissions Modification
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Indicator Removal
2File Deletion
2Modify Registry
8Pre-OS Boot
1Bootkit
1