djvu | bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7

Analysis

max time kernel
149s
max time network
138s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 16:08

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General

Target

JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe
Size

726KB
MD5

cae4e2ca631cc4a4b61f6d23061c594f
SHA1

71bb292c047fdc57bcc31ca37fde8e5893a2fe45
SHA256

bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7
SHA512

54e99f8e39fd1eaa97f3473df915f834f4acc4e86755a790fb08ca7cbe04f002b93a9b581b355cc053814bf7f4f066ad811011a63f52beb7602734eb538e6c85
SSDEEP

12288:v4yjfHgCzvBypdZJ3FF02qtQ80+Alpn9jVGg3Z3iDEhtIVxn1koYLqngBiDZ:v4YfgCzvBC3FF02qtQqrgJyI0VxnWouI

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.msjd
offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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-FT7BNVbXC9 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: 0455JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2960-2-0x0000000001D50000-0x0000000001E6B000-memory.dmp	family_djvu
behavioral1/memory/2268-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2268-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2268-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2268-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2748-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2748-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2748-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2748-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2748-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2748-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2748-63-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2748-65-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2748-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2748-67-0x0000000000400000-0x0000000000537000-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
2788	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\\c42efcba-a657-4caf-8a92-6c68cc72a37b\\JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe\" --AutoStart"	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.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 2960 set thread context of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2780 set thread context of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.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_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2268	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe
2268	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe
2748	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe
2748	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2960 wrote to memory of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2960 wrote to memory of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2960 wrote to memory of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2960 wrote to memory of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2960 wrote to memory of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2960 wrote to memory of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2960 wrote to memory of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2960 wrote to memory of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2960 wrote to memory of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2960 wrote to memory of 2268	2960	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	30
PID 2268 wrote to memory of 2788	2268	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	33
PID 2268 wrote to memory of 2788	2268	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	33
PID 2268 wrote to memory of 2788	2268	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	33
PID 2268 wrote to memory of 2788	2268	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	33
PID 2268 wrote to memory of 2780	2268	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	34
PID 2268 wrote to memory of 2780	2268	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	34
PID 2268 wrote to memory of 2780	2268	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	34
PID 2268 wrote to memory of 2780	2268	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	34
PID 2780 wrote to memory of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	35
PID 2780 wrote to memory of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	35
PID 2780 wrote to memory of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	35
PID 2780 wrote to memory of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	35
PID 2780 wrote to memory of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	35
PID 2780 wrote to memory of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	35
PID 2780 wrote to memory of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	35
PID 2780 wrote to memory of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	35
PID 2780 wrote to memory of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	35
PID 2780 wrote to memory of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	35
PID 2780 wrote to memory of 2748	2780	JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe	35

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2960
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2268
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\c42efcba-a657-4caf-8a92-6c68cc72a37b" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2788
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2780
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2748

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
4b1b9fab861fdeb72cd8d6e9661d1250

SHA1
3617c3b47b938a55349013c4bc09d36bb214e31f

SHA256
88e1f2a5937156b386eca46c129a1983ce179b03d16b8994b3b13f762850576b

SHA512
049e7633e62b5e6343c5a8513c3fb530a0211940cf7129c212ec928dc93c1b8bce4d5e92d4a8ae9238aee69b43f61268259b2a4cee04a589a367e1ddb548ee42

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

Filesize
170B

MD5
9b0dbcafd2e8bb29d6f52f02487cdf9a

SHA1
142d5d0e730df832e89d21e9e3dab4f2e7be708c

SHA256
64ecb51d5343161a4164366c16f0ef6933ccf467f6f0a8a26cf848e224d174d5

SHA512
2c142f91641d05ab207ad4472a694f2811291f8604afba2f69000b18b25f9d69f5e44a45503fd6d5f418d81cd1c17e2ff6c1dfad9be61d7f13983afe28dc57c6

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

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\c42efcba-a657-4caf-8a92-6c68cc72a37b\JaffaCakes118_bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7.exe

Filesize
726KB

MD5
cae4e2ca631cc4a4b61f6d23061c594f

SHA1
71bb292c047fdc57bcc31ca37fde8e5893a2fe45

SHA256
bedcba0ab01edb46227c39df4fab1ea1f2bb99a04b8b185ffe93bcc117e04dd7

SHA512
54e99f8e39fd1eaa97f3473df915f834f4acc4e86755a790fb08ca7cbe04f002b93a9b581b355cc053814bf7f4f066ad811011a63f52beb7602734eb538e6c85

Download Submit
memory/2268-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2268-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2268-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2268-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2268-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2748-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2748-63-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2748-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2748-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2748-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2748-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2748-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2748-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2748-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2748-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2780-28-0x00000000004C0000-0x0000000000552000-memory.dmp

Filesize
584KB

Download
memory/2780-29-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2780-35-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2960-1-0x0000000000530000-0x00000000005C2000-memory.dmp

Filesize
584KB

Download
memory/2960-2-0x0000000001D50000-0x0000000001E6B000-memory.dmp

Filesize
1.1MB

Download
memory/2960-6-0x0000000000530000-0x00000000005C2000-memory.dmp

Filesize
584KB

Download
memory/2960-0-0x0000000000530000-0x00000000005C2000-memory.dmp

Filesize
584KB

Download