djvu | 03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b

Analysis

max time kernel
142s
max time network
132s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 22:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
Size

768KB
MD5

bfb99737f346bbc04dc6a4ca8de07848
SHA1

195ce61a7852414bdf6b8db2c7f7872a4cedd498
SHA256

03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b
SHA512

605e165be35a5b09b231fabb94d99a4be850aebcf8023478ad7116c4acc945489158ed6feb862128778af8d76d66e7b6d43e454f36bbf0cc55b7e8ce219cc525
SSDEEP

12288:ah15BA1mssQppfSPx/pHxFEUVdT9SO0OCXM7VlZh/tIEIDKIghT75ED23+HNvnmT:aZ2wQ+PxBQydT/NnOnITG6OH1Q

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/2704-2-0x00000000004F0000-0x000000000060B000-memory.dmp	family_djvu
behavioral1/memory/2792-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2792-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2792-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2792-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-40-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-72-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-73-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-70-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3040-74-0x0000000000400000-0x0000000000537000-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
2568	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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\f79bb160-1459-400b-ac53-c33657a83c4c\\JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe\" --AutoStart"	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.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
3	api.2ip.ua
4	api.2ip.ua
9	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2620 set thread context of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.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_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2792	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
2792	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
3040	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
3040	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2704 wrote to memory of 2792	2704	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	30
PID 2792 wrote to memory of 2568	2792	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	31
PID 2792 wrote to memory of 2568	2792	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	31
PID 2792 wrote to memory of 2568	2792	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	31
PID 2792 wrote to memory of 2568	2792	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	31
PID 2792 wrote to memory of 2620	2792	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	32
PID 2792 wrote to memory of 2620	2792	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	32
PID 2792 wrote to memory of 2620	2792	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	32
PID 2792 wrote to memory of 2620	2792	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	32
PID 2620 wrote to memory of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	33
PID 2620 wrote to memory of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	33
PID 2620 wrote to memory of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	33
PID 2620 wrote to memory of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	33
PID 2620 wrote to memory of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	33
PID 2620 wrote to memory of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	33
PID 2620 wrote to memory of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	33
PID 2620 wrote to memory of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	33
PID 2620 wrote to memory of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	33
PID 2620 wrote to memory of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	33
PID 2620 wrote to memory of 3040	2620	JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\f79bb160-1459-400b-ac53-c33657a83c4c" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2568
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2620
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.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
ba0cf6d30082709f45ac100cbe4efe83

SHA1
9dab027719a85ac100109d6655948497998d569a

SHA256
c4c0cd6fc8a9c4ee2a20d705f82d0d08c1cacf7a48c978f74dbd77c609088f06

SHA512
876d100be029e169690633a9953151a20e419eaaa8f8273a0a9467e103cc199be397fe1a774f3dc52a32fcc1500df85d457ea04e997112ba7ebf4498369ef690

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

Filesize
342B

MD5
6fc41d2eda5d44cf95a2a75a76d3689a

SHA1
2316d069995734618d04109aa33f840bcbba8725

SHA256
afdb74994c32feff022746bd035b2f3a118e6acad64bc7620f34d573ab1aae1e

SHA512
1449b7e1f9f421d39b27de926522865848dafac218f07e0ccfba06cf85ea2579752abd1e6cd64cbff8e32362b6784b39dda5275619a47e91ecf4aa0aff240cd3

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

Filesize
170B

MD5
a3783cb2734ac8b30107bf13b3bb9db7

SHA1
13b2f75952e8d6cb08cc32191371b33da3dc8a86

SHA256
ccd2716999b8ee33084e8f9933c9fda910e475030d8fb0c20f92c292ee4992da

SHA512
4e9f41433044e7d026c8f93969629fd7cdeb423c5feae6b5f8e9984b06eff2dc77ecb0643131abe14d5e97620aacd702604c315d346980ab3bb50a6e7596ff52

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4EDB.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\f79bb160-1459-400b-ac53-c33657a83c4c\JaffaCakes118_03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b.exe

Filesize
768KB

MD5
bfb99737f346bbc04dc6a4ca8de07848

SHA1
195ce61a7852414bdf6b8db2c7f7872a4cedd498

SHA256
03b356b977274b095f56abe0880b84741fe42f8fe17f2ff37de1cf0c67674f2b

SHA512
605e165be35a5b09b231fabb94d99a4be850aebcf8023478ad7116c4acc945489158ed6feb862128778af8d76d66e7b6d43e454f36bbf0cc55b7e8ce219cc525

Download Submit
memory/2620-32-0x00000000004F0000-0x0000000000582000-memory.dmp

Filesize
584KB

Download
memory/2620-33-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/2620-38-0x0000000000400000-0x00000000004EB000-memory.dmp

Filesize
940KB

Download
memory/2704-7-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2704-0-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2704-2-0x00000000004F0000-0x000000000060B000-memory.dmp

Filesize
1.1MB

Download
memory/2704-1-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2792-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2792-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2792-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2792-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2792-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3040-40-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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

Filesize
1.2MB

Download
memory/3040-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-72-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3040-73-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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

Filesize
1.2MB

Download
memory/3040-74-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download