djvu | 9100041c5b0a01803345cb6cfe42d429baeb3913e6cad602c7f0e32aa802b9b7

Analysis

max time kernel
146s
max time network
131s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
08/01/2025, 09:44

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General

Target

JaffaCakes118_9908264520394db485644af56f60bc8d.exe
Size

864KB
MD5

9908264520394db485644af56f60bc8d
SHA1

682c67c0e88460118f35d4d27b93d5d55b3786bf
SHA256

9100041c5b0a01803345cb6cfe42d429baeb3913e6cad602c7f0e32aa802b9b7
SHA512

337bf236cc4c90df6063cff302ad63ca5e9e6c037395d8d6e8cc0e1c7d31729fb8b90bbb03eaf6bda4dd929f04ff5f191d9026496d288c3247fc30c2cff0eac9
SSDEEP

12288:MPiOVS8CRUqOdnziAYkAH6CbsEqJLM2XbVfEFjOjf2YLYif6TqAxuqsQcY6:MKwdqOBzVAH6xEqFfREE1kjTpxu9

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.zaps
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: 0341gSd743d

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2360-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2360-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2360-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2064-2-0x0000000000AE0000-0x0000000000BFB000-memory.dmp	family_djvu
behavioral1/memory/2360-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-60-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2668-62-0x0000000000400000-0x0000000000537000-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
2756	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\d5a3e776-0f6b-4283-9643-4373f5c828c8\\JaffaCakes118_9908264520394db485644af56f60bc8d.exe\" --AutoStart"	JaffaCakes118_9908264520394db485644af56f60bc8d.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 2064 set thread context of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2468 set thread context of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.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_9908264520394db485644af56f60bc8d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9908264520394db485644af56f60bc8d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9908264520394db485644af56f60bc8d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9908264520394db485644af56f60bc8d.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2360	JaffaCakes118_9908264520394db485644af56f60bc8d.exe
2360	JaffaCakes118_9908264520394db485644af56f60bc8d.exe
2668	JaffaCakes118_9908264520394db485644af56f60bc8d.exe
2668	JaffaCakes118_9908264520394db485644af56f60bc8d.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2064 wrote to memory of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2064 wrote to memory of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2064 wrote to memory of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2064 wrote to memory of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2064 wrote to memory of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2064 wrote to memory of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2064 wrote to memory of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2064 wrote to memory of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2064 wrote to memory of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2064 wrote to memory of 2360	2064	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	30
PID 2360 wrote to memory of 2756	2360	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	33
PID 2360 wrote to memory of 2756	2360	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	33
PID 2360 wrote to memory of 2756	2360	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	33
PID 2360 wrote to memory of 2756	2360	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	33
PID 2360 wrote to memory of 2468	2360	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	34
PID 2360 wrote to memory of 2468	2360	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	34
PID 2360 wrote to memory of 2468	2360	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	34
PID 2360 wrote to memory of 2468	2360	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	34
PID 2468 wrote to memory of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	35
PID 2468 wrote to memory of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	35
PID 2468 wrote to memory of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	35
PID 2468 wrote to memory of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	35
PID 2468 wrote to memory of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	35
PID 2468 wrote to memory of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	35
PID 2468 wrote to memory of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	35
PID 2468 wrote to memory of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	35
PID 2468 wrote to memory of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	35
PID 2468 wrote to memory of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	35
PID 2468 wrote to memory of 2668	2468	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.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\d5a3e776-0f6b-4283-9643-4373f5c828c8" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2756
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.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_9908264520394db485644af56f60bc8d.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2668

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
c9be626e9715952e9b70f92f912b9787

SHA1
aa2e946d9ad9027172d0d321917942b7562d6abe

SHA256
c13e8d22800c200915f87f71c31185053e4e60ca25de2e41e160e09cd2d815d4

SHA512
7581b7c593785380e9db3ae760af85c1a889f607a3cd2aa5a2695a0e5a0fe8ee751578e88f7d8c997faeda804e2fc2655d859bee2832eace526ed4379edaa3f5

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
36a8b5a44a1c49659e103a35a5e93aaa

SHA1
c402131b76a3eb21444af666310a8befd94627fb

SHA256
6e6e0964bcbc7bb57f56f91d3d385b6702ae6598eaed8c983882ea1f7972e626

SHA512
fff236c1f1e1c45fd6eb06eae2ecc517bd74fcf8d2213057b083143a615fc8fead6772a4408b5ca7991887f059cc1ed3d5d46ee0885bc505386af0217b764739

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

Filesize
170B

MD5
bb6a4856daf37ae99917faf686d063ba

SHA1
0bbded92419f81d992a518eba790b8e3d1be4955

SHA256
2fcf42f462eac880d7bc7d8337898029b60dfd49efb315c671ea75f2cc0db350

SHA512
e24113ec24f9153934ab90651aa5738b1d0e1e86a0203421dc894f3bb2d5019ba2a757287e964312de2d54bad1909ae3b8359b4868ba41ea38bc03a5e6ca3b16

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabFB9E.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\d5a3e776-0f6b-4283-9643-4373f5c828c8\JaffaCakes118_9908264520394db485644af56f60bc8d.exe

Filesize
864KB

MD5
9908264520394db485644af56f60bc8d

SHA1
682c67c0e88460118f35d4d27b93d5d55b3786bf

SHA256
9100041c5b0a01803345cb6cfe42d429baeb3913e6cad602c7f0e32aa802b9b7

SHA512
337bf236cc4c90df6063cff302ad63ca5e9e6c037395d8d6e8cc0e1c7d31729fb8b90bbb03eaf6bda4dd929f04ff5f191d9026496d288c3247fc30c2cff0eac9

Download Submit
memory/2064-1-0x0000000000910000-0x00000000009A2000-memory.dmp

Filesize
584KB

Download
memory/2064-0-0x0000000000910000-0x00000000009A2000-memory.dmp

Filesize
584KB

Download
memory/2064-2-0x0000000000AE0000-0x0000000000BFB000-memory.dmp

Filesize
1.1MB

Download
memory/2064-7-0x0000000000910000-0x00000000009A2000-memory.dmp

Filesize
584KB

Download
memory/2360-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2360-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

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

Filesize
1.2MB

Download
memory/2360-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2360-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2468-37-0x0000000000400000-0x0000000000907000-memory.dmp

Filesize
5.0MB

Download
memory/2468-31-0x0000000000400000-0x0000000000907000-memory.dmp

Filesize
5.0MB

Download
memory/2468-30-0x0000000000290000-0x0000000000322000-memory.dmp

Filesize
584KB

Download
memory/2668-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-60-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2668-62-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download