djvu | 0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623

Analysis

max time kernel
147s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 15:01

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General

Target

JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe
Size

761KB
MD5

6daa983bb2bfea6e95e74813acc77831
SHA1

25001b7888fb53c7dcae076ef1ad55a62e4905de
SHA256

0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623
SHA512

837b6db7cefe98ec1921a586bd861356ae99dcaf5cfa3e70296b648eff69a01d558c9dfaf89381e1214828b0412f7dbe3198e14b6cb88623844d1847c2fec4f7
SSDEEP

12288:/opjWm81ag7yA58dHyaOpwbXI3w2DoAXkAQeqqgfw/:gjWmsNGkCShpwLIAlA5qqgfw/

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/2712-2-0x0000000001D20000-0x0000000001E3B000-memory.dmp	family_djvu
behavioral1/memory/2996-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2832-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2832-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2832-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2832-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2832-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2832-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2832-64-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2832-63-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2832-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2832-65-0x0000000000400000-0x0000000000537000-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
2172	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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\106db5e1-61af-4469-9622-32a15d6c211f\\JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe\" --AutoStart"	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.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
5	api.2ip.ua
9	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2828 set thread context of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34

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_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2996	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe
2996	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe
2832	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe
2832	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	30
PID 2996 wrote to memory of 2172	2996	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	32
PID 2996 wrote to memory of 2172	2996	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	32
PID 2996 wrote to memory of 2172	2996	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	32
PID 2996 wrote to memory of 2172	2996	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	32
PID 2996 wrote to memory of 2828	2996	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	33
PID 2996 wrote to memory of 2828	2996	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	33
PID 2996 wrote to memory of 2828	2996	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	33
PID 2996 wrote to memory of 2828	2996	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	33
PID 2828 wrote to memory of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34
PID 2828 wrote to memory of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34
PID 2828 wrote to memory of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34
PID 2828 wrote to memory of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34
PID 2828 wrote to memory of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34
PID 2828 wrote to memory of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34
PID 2828 wrote to memory of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34
PID 2828 wrote to memory of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34
PID 2828 wrote to memory of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34
PID 2828 wrote to memory of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34
PID 2828 wrote to memory of 2832	2828	JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\106db5e1-61af-4469-9622-32a15d6c211f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2172
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2828
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2832

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
b3a92435d076ede0b0229e15deaf1a7d

SHA1
e1adb52269e9069f47a4e0a2868c914382369709

SHA256
c227987802649225338b6720e0a850ea09b61596c199367da47d8e41a076b71e

SHA512
457d5f1439314bda3e379ef8930e6ae987e54e120575e5c12b6de1744702495bc5c0d24bca04c7d3b3f7d131c7232f9ecf376ba8355b005e4c7a5c8a31798614

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

Filesize
170B

MD5
f1a1001b4a0b3d0a575fca9dd53114bd

SHA1
06253d8f99edf78b2fa5862bacaae73c6ab6e88c

SHA256
edb289d7113cc830ed47ba828a2eddb2d025a613b081574fc60760b72c8268f9

SHA512
9110877d32eb147b53f0c285cc6943a88999f478dcf68dca172caa5c56b1215a358272fe281c6104e8301d441cdaf27f8a829b57919aea835bc29625d3e80385

Download Submit
C:\Users\Admin\AppData\Local\106db5e1-61af-4469-9622-32a15d6c211f\JaffaCakes118_0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623.exe

Filesize
761KB

MD5
6daa983bb2bfea6e95e74813acc77831

SHA1
25001b7888fb53c7dcae076ef1ad55a62e4905de

SHA256
0a82254aaba9e3b35323d8d34e647aaf268db3360221f3c406de13f798afb623

SHA512
837b6db7cefe98ec1921a586bd861356ae99dcaf5cfa3e70296b648eff69a01d558c9dfaf89381e1214828b0412f7dbe3198e14b6cb88623844d1847c2fec4f7

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabBF0B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2712-0-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2712-7-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2712-2-0x0000000001D20000-0x0000000001E3B000-memory.dmp

Filesize
1.1MB

Download
memory/2712-1-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2828-34-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2828-28-0x0000000000310000-0x00000000003A2000-memory.dmp

Filesize
584KB

Download
memory/2828-29-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2832-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2832-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2832-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2832-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2832-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2832-63-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2832-64-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2832-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2832-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2832-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2996-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download