djvu | 3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089

Analysis

max time kernel
146s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 07:59

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General

Target

JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe
Size

793KB
MD5

82d3995fca748b97d11e657d85e8c526
SHA1

4b5b563cdbe1777218560be351569dfc19456e42
SHA256

3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089
SHA512

3a757c21f70952ad42fc3ee33100a6948cc221e033cc92b6bdc1afd412322521bc678b4c53cc85d3e537aca732e76563e1744609d93963ee6a14e7fac194d223
SSDEEP

24576:u2k/D8qnX3CZEfj5zewjYOWTGZBEyamWj:u2kdXlfj55jrwGZBELmW

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/2372-2-0x0000000001E70000-0x0000000001F8B000-memory.dmp	family_djvu
behavioral1/memory/2824-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2824-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2824-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2824-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2228-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2228-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2228-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2228-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2228-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2228-62-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2228-68-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2228-67-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2228-65-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2228-69-0x0000000000400000-0x0000000000537000-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
2840	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\\7baafeac-903c-4405-9408-b333e8bed4ab\\JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe\" --AutoStart"	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.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 2372 set thread context of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2628 set thread context of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.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_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2824	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe
2824	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe
2228	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe
2228	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2372 wrote to memory of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2372 wrote to memory of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2372 wrote to memory of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2372 wrote to memory of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2372 wrote to memory of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2372 wrote to memory of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2372 wrote to memory of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2372 wrote to memory of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2372 wrote to memory of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2372 wrote to memory of 2824	2372	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	30
PID 2824 wrote to memory of 2840	2824	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	31
PID 2824 wrote to memory of 2840	2824	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	31
PID 2824 wrote to memory of 2840	2824	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	31
PID 2824 wrote to memory of 2840	2824	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	31
PID 2824 wrote to memory of 2628	2824	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	32
PID 2824 wrote to memory of 2628	2824	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	32
PID 2824 wrote to memory of 2628	2824	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	32
PID 2824 wrote to memory of 2628	2824	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	32
PID 2628 wrote to memory of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	33
PID 2628 wrote to memory of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	33
PID 2628 wrote to memory of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	33
PID 2628 wrote to memory of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	33
PID 2628 wrote to memory of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	33
PID 2628 wrote to memory of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	33
PID 2628 wrote to memory of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	33
PID 2628 wrote to memory of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	33
PID 2628 wrote to memory of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	33
PID 2628 wrote to memory of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	33
PID 2628 wrote to memory of 2228	2628	JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2824
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\7baafeac-903c-4405-9408-b333e8bed4ab" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2840
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2628
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2228

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
31c33abe9d1c09d52c6694602b2f670a

SHA1
ea2343ee7cd099fc9ad7e65375d1c170525f0f30

SHA256
cd0e8615664060bff1bbd233687ca1706e18d1ca08a1a76423980df74d39a454

SHA512
e35f2ae6ea5db2885c6d15a6fb55487f3a1a0964d064ae6ab575aa4f0a798d30cc4bf0352d8c6b55a1fc02f994b9907be1ec9efdea0e8a6c54501ae425b916ee

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

Filesize
342B

MD5
0506dc04b5b55283370435de64364dc6

SHA1
0b27dd45bafa4bea37e2bc8984d543b714e5d89a

SHA256
f28a8cb906c05af23ace04038a8efea56d0c9c4f98f982f6749cd02707fe26f7

SHA512
7a3b05a1f85e381c6f5c93e9d699da2a5afb53d64909cdffb2c541d03fff89c775738961d7da5191e7703a90282b4694ff55c32979c1aa7dbdbb4df63dbbf550

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

Filesize
170B

MD5
aee7072b36eae5923bee06083c5dae57

SHA1
0c7f385345d34efa739cb971ddc227058c537862

SHA256
019cadd848b3f395f11e500575ae3364e887c0bca6f53803a56ab263c210b8e0

SHA512
166ae5c6278cd86a77d158dca59bb3877ffb540deeb20a0b35305c4b221e6dc67fc7956ed27c05e469dde55ef7040d5944cc23e552a122910a8206ad80ca657d

Download Submit
C:\Users\Admin\AppData\Local\7baafeac-903c-4405-9408-b333e8bed4ab\JaffaCakes118_3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089.exe

Filesize
793KB

MD5
82d3995fca748b97d11e657d85e8c526

SHA1
4b5b563cdbe1777218560be351569dfc19456e42

SHA256
3d9bc88df68d691b2e1f79c582dee96bc73eaa373ce16d84aeb06d2024671089

SHA512
3a757c21f70952ad42fc3ee33100a6948cc221e033cc92b6bdc1afd412322521bc678b4c53cc85d3e537aca732e76563e1744609d93963ee6a14e7fac194d223

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5BC6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2228-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2228-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2228-69-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2228-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2228-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2228-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2228-68-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2228-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2228-62-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2228-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2372-6-0x0000000000510000-0x00000000005A2000-memory.dmp

Filesize
584KB

Download
memory/2372-0-0x0000000000510000-0x00000000005A2000-memory.dmp

Filesize
584KB

Download
memory/2372-2-0x0000000001E70000-0x0000000001F8B000-memory.dmp

Filesize
1.1MB

Download
memory/2372-1-0x0000000000510000-0x00000000005A2000-memory.dmp

Filesize
584KB

Download
memory/2628-36-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download
memory/2628-31-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download
memory/2628-30-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2824-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2824-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2824-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2824-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2824-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download