djvu | a3121984cecddff33f8f6b01a06d18b314d50deab85cbfbc5657a0720f61f56e

Analysis

max time kernel
148s
max time network
128s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04/01/2025, 07:41

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe
Size

782KB
MD5

787cc165c68459ec64312260bee3bc0d
SHA1

035a01eb52fdedd8fd62733d9f41fc0e2d676d3b
SHA256

a3121984cecddff33f8f6b01a06d18b314d50deab85cbfbc5657a0720f61f56e
SHA512

0c7327829af3abe1cfe5b0f0ae64db2dc48686602e577cb75e88a6df10bd3163fe34f03b355e42e8c3c286983c2a9da28cf4fca27a0d8a4f671a8435c8bd6dc3
SSDEEP

24576:HrDaMvJM5QlxHnU5WNiUUbe3UIz6J/L2RM:HrnvJbltnlPTK/qM

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.maql
offline_id
xcdIdDNFh62dy3iJsba1COhcfDENsbjPHQQ2Eht1
payload_url
http://znpst.top/dl/build2.exe

http://rlrz.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-pk3SGFlmek 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: 0340gSd743d

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 14 IoCs

resource	yara_rule
behavioral1/memory/2360-2-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2328-3-0x0000000004960000-0x0000000004A7B000-memory.dmp	family_djvu
behavioral1/memory/2360-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2360-7-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2360-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2772-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2772-44-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2772-45-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2772-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2772-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2772-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2772-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2772-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2772-55-0x0000000000400000-0x0000000000537000-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
2728	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\461f43ea-2d6a-4fc5-96ea-82c734e1a442\\JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe\" --AutoStart"	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.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 2328 set thread context of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2708 set thread context of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35

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_787cc165c68459ec64312260bee3bc0d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2360	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe
2360	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe
2772	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe
2772	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2328 wrote to memory of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2328 wrote to memory of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2328 wrote to memory of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2328 wrote to memory of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2328 wrote to memory of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2328 wrote to memory of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2328 wrote to memory of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2328 wrote to memory of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2328 wrote to memory of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2328 wrote to memory of 2360	2328	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	31
PID 2360 wrote to memory of 2728	2360	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	33
PID 2360 wrote to memory of 2728	2360	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	33
PID 2360 wrote to memory of 2728	2360	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	33
PID 2360 wrote to memory of 2728	2360	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	33
PID 2360 wrote to memory of 2708	2360	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	34
PID 2360 wrote to memory of 2708	2360	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	34
PID 2360 wrote to memory of 2708	2360	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	34
PID 2360 wrote to memory of 2708	2360	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	34
PID 2708 wrote to memory of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35
PID 2708 wrote to memory of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35
PID 2708 wrote to memory of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35
PID 2708 wrote to memory of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35
PID 2708 wrote to memory of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35
PID 2708 wrote to memory of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35
PID 2708 wrote to memory of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35
PID 2708 wrote to memory of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35
PID 2708 wrote to memory of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35
PID 2708 wrote to memory of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35
PID 2708 wrote to memory of 2772	2708	JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\461f43ea-2d6a-4fc5-96ea-82c734e1a442" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2728
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2708
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2772

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
a802e14486cd64fa39c18ea75066360d

SHA1
7a379dec3f6d380e983816d22631a0fb296de3c7

SHA256
ca8c4983e190240bb6c205e0c7c05f9d2015170cc8c3a53759eb63b4663d6e62

SHA512
1ad53accfff197a31ed8e36f21dd1e7e03ac53e96bc9eda83f2bad17d62d247e068bdb2d67e2e7e97e5d23fd8ccbc808e807489caa1be361569b8a1b5f9b758b

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

Filesize
170B

MD5
7b08c9fc4386064a2098e2d6db243bd3

SHA1
acfd3a525db43de7a93287d01cad0101566a4846

SHA256
195aa794bb0dd5abb1ec8bc2a58f0b859635d6d4792437670b372423b2f6e85b

SHA512
685c79ced0773a9e83fc58e3a958a69e0eff52a6ce135b6759b7eb0895110866e40f1539ae078e160ab46a91a6fe0072247235ac95931db8093d7c0ef5ded1b4

Download Submit
C:\Users\Admin\AppData\Local\461f43ea-2d6a-4fc5-96ea-82c734e1a442\JaffaCakes118_787cc165c68459ec64312260bee3bc0d.exe

Filesize
782KB

MD5
787cc165c68459ec64312260bee3bc0d

SHA1
035a01eb52fdedd8fd62733d9f41fc0e2d676d3b

SHA256
a3121984cecddff33f8f6b01a06d18b314d50deab85cbfbc5657a0720f61f56e

SHA512
0c7327829af3abe1cfe5b0f0ae64db2dc48686602e577cb75e88a6df10bd3163fe34f03b355e42e8c3c286983c2a9da28cf4fca27a0d8a4f671a8435c8bd6dc3

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabF122.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2328-6-0x0000000000400000-0x0000000002F8A000-memory.dmp

Filesize
43.5MB

Download
memory/2328-46-0x0000000000400000-0x0000000002F8A000-memory.dmp

Filesize
43.5MB

Download
memory/2328-3-0x0000000004960000-0x0000000004A7B000-memory.dmp

Filesize
1.1MB

Download
memory/2360-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2360-2-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2360-7-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2360-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2360-0-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2772-45-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2772-44-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2772-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2772-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2772-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2772-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2772-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2772-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2772-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download