Analysis
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max time kernel
3s -
max time network
4s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07-10-2024 08:44
Static task
static1
Behavioral task
behavioral1
Sample
1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe
Resource
win10v2004-20240802-en
Errors
General
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Target
1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe
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Size
445KB
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MD5
1c880eb8aaa88d35804cdc00ec1ad6be
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SHA1
68a06e660e9d7451dc15cf1eda8f4ab45e2930f9
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SHA256
84466b849c2ee067c513dadc5a23951636b3abd8b41f0e9d7bbcf974a4fe1446
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SHA512
b7a39eb3f434e86000875051a310fbaa2a41ec37d1cb3221ca5e7fc2d61ed85f6235e3952d71b1edb707699202b195cb14d8fa2257d2ff5dea635cd8e66cecda
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SSDEEP
12288:M+9SmNgYpiqMQuUadfdtTtcmeL71EQPxEvMCMUW:MIqYpPM5UadrTtctJSMCMUW
Malware Config
Signatures
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Detected Xorist Ransomware 1 IoCs
resource yara_rule behavioral2/memory/452-278-0x0000000000400000-0x000000000040C000-memory.dmp family_xorist -
Xorist Ransomware
Xorist is a ransomware first seen in 2020.
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Renames multiple (97) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion îáõîä.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe -
Executes dropped EXE 5 IoCs
pid Process 452 coder.exe 1472 mbr-locker.exe 4436 îáõîä.exe 3788 sys3.exe 3372 sCheat.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\LAFOHHPIGMBBNKD = "C:\\Windows\\system32\\mbr-locker.exe" 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Alcmeter = "C:\\Users\\Admin\\AppData\\Local\\Temp\\kw0mB3PsO47k94v.exe" coder.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 mbr-locker.exe File opened for modification \??\PHYSICALDRIVE0 sys3.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ufr_reports îáõîä.exe File created C:\Windows\SysWOW64\coder.exe 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\coder.exe 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe File created C:\Windows\SysWOW64\mbr-locker.exe 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\mbr-locker.exe 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe File created C:\Windows\SysWOW64\îáõîä.exe 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\îáõîä.exe 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe -
resource yara_rule behavioral2/files/0x00090000000233dc-4.dat upx behavioral2/memory/452-10-0x0000000000400000-0x000000000040C000-memory.dmp upx behavioral2/memory/452-278-0x0000000000400000-0x000000000040C000-memory.dmp upx -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\7-Zip\Lang\pt.txt coder.exe File created C:\Program Files\Common Files\microsoft shared\ink\et-EE\ÊÀÊ ÐÀÑØÈÔÐÎÂÀÒÜ ÔÀÉËÛ.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\eu.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\fa.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\fy.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\mng2.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\es.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\io.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\ps.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\pt-br.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\sv.txt coder.exe File created C:\Program Files\Common Files\microsoft shared\ink\es-ES\ÊÀÊ ÐÀÑØÈÔÐÎÂÀÒÜ ÔÀÉËÛ.txt coder.exe File created C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\ÊÀÊ ÐÀÑØÈÔÐÎÂÀÒÜ ÔÀÉËÛ.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\cs.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\kab.txt coder.exe File created C:\Program Files\Common Files\microsoft shared\ink\bg-BG\ÊÀÊ ÐÀÑØÈÔÐÎÂÀÒÜ ÔÀÉËÛ.txt coder.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-GB\ÊÀÊ ÐÀÑØÈÔÐÎÂÀÒÜ ÔÀÉËÛ.txt coder.exe File created C:\Program Files\Common Files\microsoft shared\ink\fi-FI\ÊÀÊ ÐÀÑØÈÔÐÎÂÀÒÜ ÔÀÉËÛ.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\hy.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\zh-tw.txt coder.exe File opened for modification C:\Program Files\7-Zip\readme.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\tr.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\ug.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\et.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\it.txt coder.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\ÊÀÊ ÐÀÑØÈÔÐÎÂÀÒÜ ÔÀÉËÛ.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\id.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\mr.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\nn.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\yo.txt coder.exe File created C:\Program Files\Common Files\microsoft shared\ink\da-DK\ÊÀÊ ÐÀÑØÈÔÐÎÂÀÒÜ ÔÀÉËÛ.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\ba.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\uz.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\va.txt coder.exe File created C:\Program Files\Common Files\microsoft shared\ink\ÊÀÊ ÐÀÑØÈÔÐÎÂÀÒÜ ÔÀÉËÛ.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\ta.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\lv.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\gl.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\co.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\hr.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\hu.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\ast.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\mk.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\pa-in.txt coder.exe File opened for modification C:\Program Files\CloseUpdate.wmv coder.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\ÊÀÊ ÐÀÑØÈÔÐÎÂÀÒÜ ÔÀÉËÛ.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\he.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\bg.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\gu.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\kaa.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\mng.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\si.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\sw.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\ar.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\fr.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\ka.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\ky.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\sk.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\sl.txt coder.exe File opened for modification C:\Program Files\7-Zip\Lang\tk.txt coder.exe File created C:\Program Files\Common Files\microsoft shared\ink\el-GR\ÊÀÊ ÐÀÑØÈÔÐÎÂÀÒÜ ÔÀÉËÛ.txt coder.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language coder.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mbr-locker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language îáõîä.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sys3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sCheat.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe -
Modifies data under HKEY_USERS 15 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = a6d8ff0076b9ed00429ce3000078d700005a9e000042750000264200f7630c00 LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292311040" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365271" LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent LogonUI.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4288567808" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365271" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "91" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292311040" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10" LogonUI.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1" LogonUI.exe -
Modifies registry class 10 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.EnCiPhErEd\ = "VVYJXUMQZAEMRMB" coder.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VVYJXUMQZAEMRMB coder.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VVYJXUMQZAEMRMB\shell\open\command coder.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VVYJXUMQZAEMRMB\shell\open coder.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\VVYJXUMQZAEMRMB\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\kw0mB3PsO47k94v.exe" coder.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.EnCiPhErEd coder.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VVYJXUMQZAEMRMB\DefaultIcon coder.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\VVYJXUMQZAEMRMB\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\kw0mB3PsO47k94v.exe,0" coder.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\VVYJXUMQZAEMRMB\shell coder.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\VVYJXUMQZAEMRMB\ = "CRYPTED!" coder.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4436 îáõîä.exe 4436 îáõîä.exe 4436 îáõîä.exe 4436 îáõîä.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 3788 sys3.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1436 LogonUI.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4312 wrote to memory of 452 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 82 PID 4312 wrote to memory of 452 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 82 PID 4312 wrote to memory of 452 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 82 PID 4312 wrote to memory of 1472 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 83 PID 4312 wrote to memory of 1472 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 83 PID 4312 wrote to memory of 1472 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 83 PID 4312 wrote to memory of 4436 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 84 PID 4312 wrote to memory of 4436 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 84 PID 4312 wrote to memory of 4436 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 84 PID 1472 wrote to memory of 3788 1472 mbr-locker.exe 85 PID 1472 wrote to memory of 3788 1472 mbr-locker.exe 85 PID 1472 wrote to memory of 3788 1472 mbr-locker.exe 85 PID 4312 wrote to memory of 3372 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 87 PID 4312 wrote to memory of 3372 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 87 PID 4312 wrote to memory of 3372 4312 1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1c880eb8aaa88d35804cdc00ec1ad6be_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4312 -
C:\Windows\SysWOW64\coder.exe"C:\Windows\system32\coder.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:452
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C:\Windows\SysWOW64\mbr-locker.exe"C:\Windows\system32\mbr-locker.exe"2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Users\Admin\AppData\Local\Temp\sys3.exeC:\Users\Admin\AppData\Local\Temp\\sys3.exe3⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:3788
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C:\Windows\SysWOW64\îáõîä.exe"C:\Windows\system32\îáõîä.exe"2⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4436
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C:\Users\Admin\AppData\Local\Temp\sCheat.exe"C:\Users\Admin\AppData\Local\Temp\sCheat.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3372
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x4 /state0:0xa39a2055 /state1:0x41c64e6d1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1436
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
301B
MD5c0b2257570b3d11be28c93253aaae5f0
SHA1b1f20d760a1cdeee566d7857deb88ca451c33722
SHA256ffb6468be6a66d973ef143bf7cf8d059139bb15ca521c5296a3337457bfcc960
SHA51269e3afd798ad3708e2dfcc9f5dd99e2593ed5f9ba45a7037845370236aa5d7893d407e4ec515498d4d11d933aa1a67031f605857932d829c2644f4b355bfa7c7
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Filesize
406KB
MD5af14998ea9c9a7ab8250a8b9243b5505
SHA1a868c979df09e426498618cac6301cf9d23e12c8
SHA256469af5ff07386de5c8a0d7e6766820f76ec550ed730d108f7f654053f4d7b3ba
SHA51250ca46efa70cdbe3dec881989dd79a099ec2076b93d7cf6a9a4a728ca26cc276efab534e4a9fb2e0e8bd8a22fda7fbc4cb5603beeb0e592b6d5c4d241d83eb39
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Filesize
34B
MD50f6aeead10fa4e4345421a9344920b54
SHA18c3fb95046aa8a49de5e0125a1734f6a61e1de9c
SHA256f7fd935a5b2e344a8528c666005d010bb7fd75785075f4dbb89973f151409ee4
SHA512dbd688e79df1af689e583e9835cb03e22769313ec38f69ef59934258f296a40e8495b62fec47ee2b60e7cb531b917ac23ca16f14519413c637588a7522f0eca0
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Filesize
7KB
MD5d871ac0f3fdcc234f1ba4f39bc76e6fb
SHA1010fcadadce613eb45923dbbdee46440e8f74bb6
SHA25608e15773a4caf5225e95ee3f9ebf2ca67b3d500053fb316dea875d5cf361271f
SHA5120f56b1689661bd0978cfaa16876bd4b2ab3f0b1f6d1ec25bb09d1ea7e9b0a4e888972dbc32d272aa02ddc646061c901c6fed8de586c9406e56c4b9b925dec114
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Filesize
10KB
MD55201eb8656d7f823e7d5253aeda7b5f7
SHA101ae8f476827afe420ae806c1a7654770342ff1c
SHA2566e657c98282a118321c09cf76edef34deeb2d067cea41f4c130e32044830b865
SHA5121b3ad3a18801c02522b069eee9253ddbdfac7414531eaa4ec9211dc7f3ef051e4fe984c451309f1d265bff96efbdc10d5004f7d5b329b20c52a4861a0daed923
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Filesize
22KB
MD5e04fb60dc115ddc2368000bf4b7b934e
SHA160b33f31232a454120e1184bbc502577b9fe3ee5
SHA256c1fc945b7aeca62e7af8b72663aeb676274360e0b05a8b1a12342e11e25ac109
SHA512e59c2dc3e379ac2da1cba83895c9ae93f0a64146ebb593185081161aa0e88a9ebd617b57e0aca7d2f5e8bcd051460252ed8261b9f2cb7611e40bd98e448b5fcc