djvu | 71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f

Analysis

max time kernel
145s
max time network
133s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:42

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General

Target

JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe
Size

761KB
MD5

509b149290b67586e700eb2007ece40c
SHA1

0844065732f8e76a481f6a3f014b5e0c7136c95f
SHA256

71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f
SHA512

c159e5232669ad6c0bfa8d4548b1f8dec789ded076aa0c4736dea14c5071ecc86a3f89e913cfc16abcd76d50b17081d84bdcad3615664a83fa8d1eb44bfc335a
SSDEEP

12288:SYHmVgJHqusSCjSxF0/iDz4BjOr80h2wZLyYesqpAPdBm4TNU9NEu:dmVBus1jURDznA0zZWXd4SYu

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

http://fuyt.org/fhsgtsspen6/get.php

Attributes

extension
.dmay
offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
payload_url
http://zerit.top/dl/build2.exe

http://fuyt.org/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-FT7BNVbXC9 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0458JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/308-2-0x0000000000660000-0x000000000077B000-memory.dmp	family_djvu
behavioral1/memory/2104-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2104-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2104-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2104-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2648-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2648-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2648-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2648-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2648-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2648-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2648-68-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2648-69-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2648-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2648-70-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Djvu family
djvu

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2828	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\fd617429-c3cd-4d98-88f1-3082cba2bad5\\JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe\" --AutoStart"	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.2ip.ua
4	api.2ip.ua
9	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 308 set thread context of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 2468 set thread context of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 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	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2104	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe
2104	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe
2648	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe
2648	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 308 wrote to memory of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 308 wrote to memory of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 308 wrote to memory of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 308 wrote to memory of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 308 wrote to memory of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 308 wrote to memory of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 308 wrote to memory of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 308 wrote to memory of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 308 wrote to memory of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 308 wrote to memory of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 308 wrote to memory of 2104	308	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	30
PID 2104 wrote to memory of 2828	2104	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	31
PID 2104 wrote to memory of 2828	2104	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	31
PID 2104 wrote to memory of 2828	2104	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	31
PID 2104 wrote to memory of 2828	2104	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	31
PID 2104 wrote to memory of 2468	2104	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	32
PID 2104 wrote to memory of 2468	2104	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	32
PID 2104 wrote to memory of 2468	2104	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	32
PID 2104 wrote to memory of 2468	2104	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	32
PID 2468 wrote to memory of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33
PID 2468 wrote to memory of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33
PID 2468 wrote to memory of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33
PID 2468 wrote to memory of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33
PID 2468 wrote to memory of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33
PID 2468 wrote to memory of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33
PID 2468 wrote to memory of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33
PID 2468 wrote to memory of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33
PID 2468 wrote to memory of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33
PID 2468 wrote to memory of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33
PID 2468 wrote to memory of 2648	2468	JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:308
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2104
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\fd617429-c3cd-4d98-88f1-3082cba2bad5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2828
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2468
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

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\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
1KB

MD5
67e486b2f148a3fca863728242b6273e

SHA1
452a84c183d7ea5b7c015b597e94af8eef66d44a

SHA256
facaf1c3a4bf232abce19a2d534e495b0d3adc7dbe3797d336249aa6f70adcfb

SHA512
d3a37da3bb10a9736dc03e8b2b49baceef5d73c026e2077b8ebc1b786f2c9b2f807e0aa13a5866cf3b3cafd2bc506242ef139c423eaffb050bbb87773e53881e

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

Filesize
436B

MD5
971c514f84bba0785f80aa1c23edfd79

SHA1
732acea710a87530c6b08ecdf32a110d254a54c8

SHA256
f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

SHA512
43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

Filesize
174B

MD5
33cec0eb38177b39005a3f8227abb3a7

SHA1
f99b2560e7d47efff934738158bd9fc6dce2c729

SHA256
700ca80a9bfa6b1f8269e2d2eefd57b25caf864b04062e61b1b342faa9791784

SHA512
80cae55ff757309e65d6ec6817130835a2bc6bd7dd20ba6964b09d858c93cf09a17dc5634d9b3373c22f7ca26f543cd6152c74119cd4667634510c6849697f1c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
0ff6051f1c51c1026907ab7ece629ff6

SHA1
ac2a4b364a5741a3936a4a02019973808346e163

SHA256
0e02c604723cd74aae9c5260a796539297071f104ae08e345c20b12f05ac6f39

SHA512
c349e558020710e0a6cca40fac69396b0b76931e0b3101a37dc4aa625054671b99e4c8c4753a0133a25a58c14e4de5117b07ce1c7a0a6467fa9a542f00d3254c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

Filesize
170B

MD5
37151a530c231fe729396ff928f1a5fc

SHA1
7c0f4dc35f0072b6fd1bf0d6ab597767daa8c549

SHA256
271be33cda958077ff0bf08cae10dc19fe4a23f7d4d6d0e27193f41f2f3d996c

SHA512
84852162abf1d0c8f97796d7bf6d5ca1f86fda39b95958029f3ae7d69eec70361957dbdbc915f6623b28f75ec0bba46b463eced37dec554dfd07fdb67e91970b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab8787.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\fd617429-c3cd-4d98-88f1-3082cba2bad5\JaffaCakes118_71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f.exe

Filesize
761KB

MD5
509b149290b67586e700eb2007ece40c

SHA1
0844065732f8e76a481f6a3f014b5e0c7136c95f

SHA256
71c5602ebc9595def3ac17dbbe21a85622f66cbcbd609725669715ce7c10af2f

SHA512
c159e5232669ad6c0bfa8d4548b1f8dec789ded076aa0c4736dea14c5071ecc86a3f89e913cfc16abcd76d50b17081d84bdcad3615664a83fa8d1eb44bfc335a

Download Submit
memory/308-6-0x00000000002C0000-0x0000000000352000-memory.dmp

Filesize
584KB

Download
memory/308-2-0x0000000000660000-0x000000000077B000-memory.dmp

Filesize
1.1MB

Download
memory/308-0-0x00000000002C0000-0x0000000000352000-memory.dmp

Filesize
584KB

Download
memory/308-1-0x00000000002C0000-0x0000000000352000-memory.dmp

Filesize
584KB

Download
memory/2104-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2104-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2104-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2104-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2104-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2468-36-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2468-31-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2468-30-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2648-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2648-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2648-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2648-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2648-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2648-57-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2648-68-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2648-69-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2648-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2648-70-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download