djvu | 02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96

Analysis

max time kernel
141s
max time network
144s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:46

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General

Target

JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
Size

788KB
MD5

b0e043d94593b2459502751296aa7238
SHA1

85e49aef5a8db20c695f6b0751f8f5941e45516c
SHA256

02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96
SHA512

876859d3952bd62980196286859990d6fb2f4df6157d8e6331f1826b2bfe5112517b19df20b1e2b41295cea1ab93318815b7b9ee8e8ad2b97f2cb0b6abfecc33
SSDEEP

12288:c/x4fZLPczyPYqCeLwtvTq3hYre8BldAY1uhRF7rSrjjrWybwh:U6rczyPUeUct+8Y1abrSrjjrDwh

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/2220-2-0x0000000001E30000-0x0000000001F4B000-memory.dmp	family_djvu
behavioral1/memory/2424-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2424-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2424-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2424-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2788-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2788-40-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2788-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2788-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2788-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2788-62-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2788-73-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2788-74-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2788-71-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2788-75-0x0000000000400000-0x0000000000537000-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
1528	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\9de9bf75-a908-43f9-a164-2ba84048da5c\\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe\" --AutoStart"	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.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 2220 set thread context of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2852 set thread context of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32

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_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2424	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
2424	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
2788	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
2788	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2220 wrote to memory of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2220 wrote to memory of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2220 wrote to memory of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2220 wrote to memory of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2220 wrote to memory of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2220 wrote to memory of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2220 wrote to memory of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2220 wrote to memory of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2220 wrote to memory of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2220 wrote to memory of 2424	2220	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	29
PID 2424 wrote to memory of 1528	2424	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	30
PID 2424 wrote to memory of 1528	2424	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	30
PID 2424 wrote to memory of 1528	2424	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	30
PID 2424 wrote to memory of 1528	2424	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	30
PID 2424 wrote to memory of 2852	2424	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	31
PID 2424 wrote to memory of 2852	2424	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	31
PID 2424 wrote to memory of 2852	2424	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	31
PID 2424 wrote to memory of 2852	2424	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	31
PID 2852 wrote to memory of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32
PID 2852 wrote to memory of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32
PID 2852 wrote to memory of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32
PID 2852 wrote to memory of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32
PID 2852 wrote to memory of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32
PID 2852 wrote to memory of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32
PID 2852 wrote to memory of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32
PID 2852 wrote to memory of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32
PID 2852 wrote to memory of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32
PID 2852 wrote to memory of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32
PID 2852 wrote to memory of 2788	2852	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\9de9bf75-a908-43f9-a164-2ba84048da5c" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:1528
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2852
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2788

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
563879b389c7d7fbec1483946bd68128

SHA1
d07b0fe2d42d3972ee0c265a166eef5357d62726

SHA256
0d7b88e3c0b64bfa14cb67dcc5f91eab0b10a105a7bcd3235612f3876ff87c3c

SHA512
e081eee3a733a411b37bf0513bbabc7e031b6f1258ada8ab206947f1da9349fe7a9c996b47a8efad96e889427d9d47cfb86ce46ba6a5fe9532d6e50420aa12c3

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

Filesize
342B

MD5
764ce4d46c4a918cbaa3499a02f909b3

SHA1
82bbd7ffb4dc43ebd383a72576d4c28f0b654825

SHA256
9774a9c17c1e092016121912bb639496eb8d0ba862bdf0504ae7cd3748518745

SHA512
73ec8fad500f926ae507985e4260a7eaece198dd9130f9a077a527b42b9ed11282b2e9fb39fa37c83a0f8b4ca9bf2564f812ad860ef91fe6cd83d9a758cd8fae

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

Filesize
170B

MD5
6a3e88e147961bc5418b8e3d700940dd

SHA1
3004d75688b0819b048f82b2e9ab29de2e0f147d

SHA256
ebb61c8f25ff75a78794417a896f83024470449eb4f6eb147461bfde8b4b8b6f

SHA512
6f872b9f68818fe6a93101996b1ad183ebb7ce1dfe56a1cbb798d2d6d6c52cb54fc4f8d0995eac9d23958436450d767583cdf52c4513ec0ae55df2192e3bbe47

Download Submit
C:\Users\Admin\AppData\Local\9de9bf75-a908-43f9-a164-2ba84048da5c\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe

Filesize
788KB

MD5
b0e043d94593b2459502751296aa7238

SHA1
85e49aef5a8db20c695f6b0751f8f5941e45516c

SHA256
02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96

SHA512
876859d3952bd62980196286859990d6fb2f4df6157d8e6331f1826b2bfe5112517b19df20b1e2b41295cea1ab93318815b7b9ee8e8ad2b97f2cb0b6abfecc33

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab24DF.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2220-1-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2220-7-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2220-0-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2220-2-0x0000000001E30000-0x0000000001F4B000-memory.dmp

Filesize
1.1MB

Download
memory/2424-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2424-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2424-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2424-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2424-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2788-40-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2788-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2788-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2788-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2788-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2788-62-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2788-73-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2788-74-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2788-71-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2788-75-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2852-37-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/2852-33-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

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memory/2852-32-0x00000000004D0000-0x0000000000562000-memory.dmp

Filesize
584KB

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