djvu | 610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316

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
21-12-2024 20:24

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe
Size

771KB
MD5

33ae9907425491ba16377f5dd1cf533d
SHA1

7ef8e0a3327e05e7128e475122f585c7c6660d9a
SHA256

610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316
SHA512

ac1907edaee8b0dbbe927130cad5785e62a2d92d5fd8231edacdc56bf86642f6570ddab06ffdc0570cb7ea90c213c44beb4c656be14a02e5595da2cf485cd82b
SSDEEP

12288:OiWAp9Ipv8JOxN2wMzG9GkdSzAkGZmt7y4lvuy82wQDENivl2ldaS:OggkJy2NzGDdWA3CDp82XDEc

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.udla
offline_id
qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1
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-fnn5kv33Vv 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: 0435JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/1268-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2416-2-0x0000000000700000-0x000000000081B000-memory.dmp	family_djvu
behavioral1/memory/1268-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1268-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1268-25-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2912-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2912-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2912-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2912-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2912-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2912-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2912-63-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2912-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2912-65-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2912-67-0x0000000000400000-0x0000000000537000-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
2860	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\\682218b3-0fdc-4b48-8742-89aa4d37e541\\JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe\" --AutoStart"	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.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 2416 set thread context of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 2716 set thread context of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.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_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1268	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe
1268	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe
2912	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe
2912	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 2416 wrote to memory of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 2416 wrote to memory of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 2416 wrote to memory of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 2416 wrote to memory of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 2416 wrote to memory of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 2416 wrote to memory of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 2416 wrote to memory of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 2416 wrote to memory of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 2416 wrote to memory of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 2416 wrote to memory of 1268	2416	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	30
PID 1268 wrote to memory of 2860	1268	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	32
PID 1268 wrote to memory of 2860	1268	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	32
PID 1268 wrote to memory of 2860	1268	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	32
PID 1268 wrote to memory of 2860	1268	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	32
PID 1268 wrote to memory of 2716	1268	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	33
PID 1268 wrote to memory of 2716	1268	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	33
PID 1268 wrote to memory of 2716	1268	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	33
PID 1268 wrote to memory of 2716	1268	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	33
PID 2716 wrote to memory of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	34
PID 2716 wrote to memory of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	34
PID 2716 wrote to memory of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	34
PID 2716 wrote to memory of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	34
PID 2716 wrote to memory of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	34
PID 2716 wrote to memory of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	34
PID 2716 wrote to memory of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	34
PID 2716 wrote to memory of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	34
PID 2716 wrote to memory of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	34
PID 2716 wrote to memory of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	34
PID 2716 wrote to memory of 2912	2716	JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2416
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1268
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\682218b3-0fdc-4b48-8742-89aa4d37e541" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2860
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2716
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2912

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
5a523d8ed5dd9e4932c19032d9ef68e7

SHA1
0f370870a047cfbe96e1f0ea380ad3a714c24b55

SHA256
ab58b54e8d4a2f272acff84c5b07cb6bc40252ca63531ed3971234cf468fc34d

SHA512
2aeee06e67836c3d6b63810315b09c634396da090212f361db6c876a694ca28018dc1e045f3f03c596502c22f9ad1cbd37fc0798d04643a142259d2eaf345b4f

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

Filesize
170B

MD5
5b90ae7010cb033330d80c7214ef79b8

SHA1
074c62cf42b3c643f374fb0b666ba66427a117c1

SHA256
2a077840d60c7fdda6f6aef613d5db5e76881ee74ff5227225731e9d30e8a6be

SHA512
37a669210fd3e5f45bece24453ecdaf8016255bff3756063ac5d2863a75514754517eb4db6c1a8142d4a8883a3419e31c2d5b906a809f85b4bfec38eb14543c5

Download Submit
C:\Users\Admin\AppData\Local\682218b3-0fdc-4b48-8742-89aa4d37e541\JaffaCakes118_610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316.exe

Filesize
771KB

MD5
33ae9907425491ba16377f5dd1cf533d

SHA1
7ef8e0a3327e05e7128e475122f585c7c6660d9a

SHA256
610319f07a115228285f055029d95ee2425ff0a484c2dee1539f602434a54316

SHA512
ac1907edaee8b0dbbe927130cad5785e62a2d92d5fd8231edacdc56bf86642f6570ddab06ffdc0570cb7ea90c213c44beb4c656be14a02e5595da2cf485cd82b

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabAC75.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1268-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1268-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1268-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1268-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1268-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2416-2-0x0000000000700000-0x000000000081B000-memory.dmp

Filesize
1.1MB

Download
memory/2416-0-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2416-6-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2416-1-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2716-27-0x0000000000320000-0x00000000003B2000-memory.dmp

Filesize
584KB

Download
memory/2716-28-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2716-32-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2912-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2912-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2912-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2912-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2912-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2912-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2912-63-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2912-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2912-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2912-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download