djvu | c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593

Analysis

max time kernel
145s
max time network
135s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30/12/2024, 18:42

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe
Size

762KB
MD5

5e2e3d1200fa869a7942eab2ae936a7d
SHA1

a0a1e248fd37a1944cd51ece2b63b96f887cd32d
SHA256

c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593
SHA512

ad55d14a97d8490656435689eed7072cb4ab4b50b2e82f036e3c40abc57ada73319d23f38be796a9fdad3142bf895ebe781d1e9981b7438f1e9ca137390dbbce
SSDEEP

12288:4j0GNLBhir0kHOlbkTA+nNLwUFh2aPrWHh7WAgtiXG5Tb5Zxq:4PNLq0kH0tm3kaPrAh7WxtzTb0

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

http://fuyt.org/fhsgtsspen6/get.php

Attributes

extension
.nuhb
offline_id
PfLhykvDxmCghCq8peuxBtQ3c0QBuANi8WUkuet1
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-c565B1ILoZ 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: 0453Jbdio

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/1996-2-0x0000000001DC0000-0x0000000001EDB000-memory.dmp	family_djvu
behavioral1/memory/2784-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2784-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2784-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2784-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-68-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-69-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-70-0x0000000000400000-0x0000000000537000-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
2932	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\\b63e0444-8229-4e71-9852-d60eb1d9586d\\JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe\" --AutoStart"	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.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
9	api.2ip.ua
3	api.2ip.ua
4	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 2672 set thread context of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.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_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2784	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe
2784	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe
2728	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe
2728	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 1996 wrote to memory of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 1996 wrote to memory of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 1996 wrote to memory of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 1996 wrote to memory of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 1996 wrote to memory of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 1996 wrote to memory of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 1996 wrote to memory of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 1996 wrote to memory of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 1996 wrote to memory of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 1996 wrote to memory of 2784	1996	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	30
PID 2784 wrote to memory of 2932	2784	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	31
PID 2784 wrote to memory of 2932	2784	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	31
PID 2784 wrote to memory of 2932	2784	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	31
PID 2784 wrote to memory of 2932	2784	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	31
PID 2784 wrote to memory of 2672	2784	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	32
PID 2784 wrote to memory of 2672	2784	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	32
PID 2784 wrote to memory of 2672	2784	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	32
PID 2784 wrote to memory of 2672	2784	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	32
PID 2672 wrote to memory of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	33
PID 2672 wrote to memory of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	33
PID 2672 wrote to memory of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	33
PID 2672 wrote to memory of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	33
PID 2672 wrote to memory of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	33
PID 2672 wrote to memory of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	33
PID 2672 wrote to memory of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	33
PID 2672 wrote to memory of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	33
PID 2672 wrote to memory of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	33
PID 2672 wrote to memory of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	33
PID 2672 wrote to memory of 2728	2672	JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2784
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\b63e0444-8229-4e71-9852-d60eb1d9586d" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2932
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2672
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2728

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
89e0d99ee6515862c19796b689c47b74

SHA1
ace1f7508f3edacb49c77fe74164cfc50859d9d0

SHA256
5db474edd65e7de22c965535fcce1ac9e63905a0a02990c4b36dca07d86bb7e7

SHA512
080b9c4c71686402c0ccb1b8dd51c74cd111d29fab65d071735c56c5cef7a5f0aa4a9109288721637f962ecc6bc610d3862f6a643b87ff360ea8fedfad927a59

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

Filesize
342B

MD5
8817bca646c3ed6b887727b9dfbc3ff5

SHA1
58a1c0d94b279a7d1b959b88beca0f550652c18a

SHA256
3337c14978670762e657426761dac4da4e74e70ccc1df0fc45bc45db48060767

SHA512
55ea38e75334c0dcd400fa7a926e273c6fd04757a973266eb10d4c5b2800df4b8d7374ac10cc8061bdac57e7fb94a424d91caceb83eaf6444e8c3fb7239fc248

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

Filesize
170B

MD5
6be42bedf4d89ee87045caf19b84c87f

SHA1
0fe9abe754d5dec44dc5fddcd62959321a135786

SHA256
aaa461cff6de8dbb362a219f67e3e25d1819ff4247ee0906e7d3a03ff75548c3

SHA512
b8c17cd928d8304584f6f787fe9eed637c739e3516ae3acbe0f4fb1bf1362446045850801cd55a0ad02b85e0c46468e9f8b1155ba25747a0930d2ee7874cfc65

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab87C6.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\b63e0444-8229-4e71-9852-d60eb1d9586d\JaffaCakes118_c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593.exe

Filesize
762KB

MD5
5e2e3d1200fa869a7942eab2ae936a7d

SHA1
a0a1e248fd37a1944cd51ece2b63b96f887cd32d

SHA256
c0bc99d1d191a08b6e5e56d4264aea78de9d8016e10973c364fc526bb795f593

SHA512
ad55d14a97d8490656435689eed7072cb4ab4b50b2e82f036e3c40abc57ada73319d23f38be796a9fdad3142bf895ebe781d1e9981b7438f1e9ca137390dbbce

Download Submit
memory/1996-0-0x0000000001C80000-0x0000000001D11000-memory.dmp

Filesize
580KB

Download
memory/1996-6-0x0000000001C80000-0x0000000001D11000-memory.dmp

Filesize
580KB

Download
memory/1996-2-0x0000000001DC0000-0x0000000001EDB000-memory.dmp

Filesize
1.1MB

Download
memory/1996-1-0x0000000001C80000-0x0000000001D11000-memory.dmp

Filesize
580KB

Download
memory/2672-30-0x00000000007C0000-0x0000000000851000-memory.dmp

Filesize
580KB

Download
memory/2672-31-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2672-36-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2728-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-57-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-70-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-69-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-68-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2784-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2784-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2784-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2784-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2784-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download