djvu | 05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5

Analysis

max time kernel
146s
max time network
133s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 21:44

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe
Size

726KB
MD5

cda5bcf41b89380575ca3fa7ac6c6f50
SHA1

bbf533e3484c22f39149d5fb78abf40df549c586
SHA256

05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5
SHA512

1134cd91e1fb6c0d30c454bf51f204a51070dc5dc8ee3308d76fa2a4e89ad7c988336629d606805ce8c22faf85573da6b25900b1540a074b230afec3ce3b3f61
SSDEEP

12288:MryJUr8RG8mvj61mQobcOxhM8F5pWrvHXXhrBuKS3aKHU1aHk+3EjrXkJVI:MraUrwYjo1Oxe8npWfBrBuKSKK9dEjr0

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

http://fuyt.org/test1/get.php

Attributes

extension
.msjd
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: 0455JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2232-2-0x0000000001DB0000-0x0000000001ECB000-memory.dmp	family_djvu
behavioral1/memory/2716-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2716-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2716-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2716-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-68-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-69-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-70-0x0000000000400000-0x0000000000537000-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
2624	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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\34f4f682-d64d-429f-90e6-f6c9632b6f28\\JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe\" --AutoStart"	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.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
4	api.2ip.ua
9	api.2ip.ua
3	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2588 set thread context of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.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_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2716	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe
2716	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe
3040	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe
3040	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2232 wrote to memory of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2232 wrote to memory of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2232 wrote to memory of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2232 wrote to memory of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2232 wrote to memory of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2232 wrote to memory of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2232 wrote to memory of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2232 wrote to memory of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2232 wrote to memory of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2232 wrote to memory of 2716	2232	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	30
PID 2716 wrote to memory of 2624	2716	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	31
PID 2716 wrote to memory of 2624	2716	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	31
PID 2716 wrote to memory of 2624	2716	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	31
PID 2716 wrote to memory of 2624	2716	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	31
PID 2716 wrote to memory of 2588	2716	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	32
PID 2716 wrote to memory of 2588	2716	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	32
PID 2716 wrote to memory of 2588	2716	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	32
PID 2716 wrote to memory of 2588	2716	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	32
PID 2588 wrote to memory of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	33
PID 2588 wrote to memory of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	33
PID 2588 wrote to memory of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	33
PID 2588 wrote to memory of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	33
PID 2588 wrote to memory of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	33
PID 2588 wrote to memory of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	33
PID 2588 wrote to memory of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	33
PID 2588 wrote to memory of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	33
PID 2588 wrote to memory of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	33
PID 2588 wrote to memory of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	33
PID 2588 wrote to memory of 3040	2588	JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\34f4f682-d64d-429f-90e6-f6c9632b6f28" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2624
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2588
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:3040

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

Loading Replay Monitor...

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
17c98541e2633f0a24b97087b2e17f59

SHA1
0fc1857afa57c1cc1469858e621df2236c6a944d

SHA256
e087b9c24e68fa08c97bacdbfbce7e1d0572adef03c58077a195084c591b4127

SHA512
1273058c4955efcbd4fb48bd663f023f2604b243891c41c6f0f55a5e634e76d64f8188944459ed95239d52c6908809ac757406131d9c4cf80095cd95b71fee0c

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

Filesize
342B

MD5
3eb46d8e6336b5b5deb20d0082068343

SHA1
48bf8fe9ec10eef9db55b330257e48b35f8abc64

SHA256
3d57400e65d99f2a2cb6bc1cabdced2e0f2eb682405e6aadb2a94ce88ca61be7

SHA512
a208f086fca844d18578e394d1dceba2cc3ff9a6772ab2ad8e0014af960a6ebaac23f4f06098b67479cde790dd5ab9ae0ab07db45fd1719274d19d0a0226070b

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

Filesize
170B

MD5
0c470f4df8cedc6e8dd4f8fa6832b7e8

SHA1
a76b721f667670a8cf35b8c45b536f955b15099c

SHA256
4d6a7e3f9f2209e37692a3e626e557eed83709c6ed7bfc265c24446247753f11

SHA512
38ee62f2d27ecac63bf4f85c53127f728ab3f40044fdd63523be98f370699fbd6f843935802a3af005b83ab2d12aa1922cfc88d0b9367127ea9a2837026f9456

Download Submit
C:\Users\Admin\AppData\Local\34f4f682-d64d-429f-90e6-f6c9632b6f28\JaffaCakes118_05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5.exe

Filesize
726KB

MD5
cda5bcf41b89380575ca3fa7ac6c6f50

SHA1
bbf533e3484c22f39149d5fb78abf40df549c586

SHA256
05047bfa4fdd01c9b11684aa72e0621f455cbeb7a699d15790051978acaa6cf5

SHA512
1134cd91e1fb6c0d30c454bf51f204a51070dc5dc8ee3308d76fa2a4e89ad7c988336629d606805ce8c22faf85573da6b25900b1540a074b230afec3ce3b3f61

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5744.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2232-7-0x0000000000530000-0x00000000005C2000-memory.dmp

Filesize
584KB

Download
memory/2232-0-0x0000000000530000-0x00000000005C2000-memory.dmp

Filesize
584KB

Download
memory/2232-2-0x0000000001DB0000-0x0000000001ECB000-memory.dmp

Filesize
1.1MB

Download
memory/2232-1-0x0000000000530000-0x00000000005C2000-memory.dmp

Filesize
584KB

Download
memory/2588-30-0x0000000000350000-0x00000000003E2000-memory.dmp

Filesize
584KB

Download
memory/2588-31-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/2588-36-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/2716-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2716-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2716-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2716-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2716-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3040-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-57-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-68-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-69-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-70-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download