djvu | 8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9

Analysis

max time kernel
145s
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 17:55

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
Size

757KB
MD5

ecbe71acc090c1bb8e77118f01f6c2b9
SHA1

ba7d46467e5da6176db5df8f74cc905391d806fd
SHA256

8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9
SHA512

e54c6f08eef65cf1629ad88e660230215c9c8583b9fb93190cece199aa88bbe1fd60a940ee9ae6656e370c3eec5bab69cfcd2ca7c029be31c7b73ca9085719cf
SSDEEP

12288:GneHdHA9ep0dkhbl6+NQ/d/ms/cju+nad/v8Wvf9GYxfDwOMO+9+C1JMbk45+Hk:jHJpCWzN+/Venad/v8Wv6OL+9bgk45+

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.tuid
offline_id
LgcOIftV0dQfFBQStVNfb8BhHy8tHRPvXwSiFwt1
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-FglTTmgzZT 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: 0440tOjkfd

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2516-2-0x0000000001EA0000-0x0000000001FBB000-memory.dmp	family_djvu
behavioral1/memory/2300-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2300-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2300-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2300-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2240-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2240-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2240-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2240-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2240-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2240-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2240-63-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2240-65-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2240-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2240-67-0x0000000000400000-0x0000000000537000-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
2872	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\c25c2935-27e3-499b-b0ad-10db6e2d339f\\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe\" --AutoStart"	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.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 2516 set thread context of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2748 set thread context of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34

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	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2300	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
2300	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
2240	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
2240	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2516 wrote to memory of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2516 wrote to memory of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2516 wrote to memory of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2516 wrote to memory of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2516 wrote to memory of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2516 wrote to memory of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2516 wrote to memory of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2516 wrote to memory of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2516 wrote to memory of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2516 wrote to memory of 2300	2516	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	30
PID 2300 wrote to memory of 2872	2300	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	32
PID 2300 wrote to memory of 2872	2300	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	32
PID 2300 wrote to memory of 2872	2300	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	32
PID 2300 wrote to memory of 2872	2300	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	32
PID 2300 wrote to memory of 2748	2300	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	33
PID 2300 wrote to memory of 2748	2300	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	33
PID 2300 wrote to memory of 2748	2300	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	33
PID 2300 wrote to memory of 2748	2300	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	33
PID 2748 wrote to memory of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34
PID 2748 wrote to memory of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34
PID 2748 wrote to memory of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34
PID 2748 wrote to memory of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34
PID 2748 wrote to memory of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34
PID 2748 wrote to memory of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34
PID 2748 wrote to memory of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34
PID 2748 wrote to memory of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34
PID 2748 wrote to memory of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34
PID 2748 wrote to memory of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34
PID 2748 wrote to memory of 2240	2748	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2300
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\c25c2935-27e3-499b-b0ad-10db6e2d339f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2872
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2748
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2240

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
cef1f2f7ff9429ddcba664c7d7fd8ff5

SHA1
6b4578dd54a3ab7496fe4f3394a9a21c1dc4046b

SHA256
5c9521c6086d7530d564fec5bbc41f4de1a9be2135b89dfb94fa3ed3b1c6aaec

SHA512
7a6682513ab2c80289f3d249baea8df52fe5c1c5e97f824a66a07683cb85e9a4dfdc58e5fbe95d4b5058f50bbfa1ec2bec50294a5102365d1833cf8822bb5fe7

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

Filesize
170B

MD5
e739cada2080929493d271878a062fed

SHA1
4621857367014c32ffd6575871239f110ab1827c

SHA256
0f05114c0f51d0d798228695ccafa5f14225a152487678530db6da291affb3be

SHA512
1ae3fb094689958e62bacd7a9ce17d1807015e99ddeedb21341e42cd1e1ce7180a7d5116b8bc32dba7ba2967cf38d13dc36e9534fe052f3a5612794339eb2de2

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB193.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\c25c2935-27e3-499b-b0ad-10db6e2d339f\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe

Filesize
757KB

MD5
ecbe71acc090c1bb8e77118f01f6c2b9

SHA1
ba7d46467e5da6176db5df8f74cc905391d806fd

SHA256
8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9

SHA512
e54c6f08eef65cf1629ad88e660230215c9c8583b9fb93190cece199aa88bbe1fd60a940ee9ae6656e370c3eec5bab69cfcd2ca7c029be31c7b73ca9085719cf

Download Submit
memory/2240-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2240-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2240-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2240-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2240-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2240-63-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2240-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2240-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2240-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2240-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2300-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2300-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2300-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2300-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2300-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2516-6-0x00000000004F0000-0x0000000000582000-memory.dmp

Filesize
584KB

Download
memory/2516-2-0x0000000001EA0000-0x0000000001FBB000-memory.dmp

Filesize
1.1MB

Download
memory/2516-1-0x00000000004F0000-0x0000000000582000-memory.dmp

Filesize
584KB

Download
memory/2516-0-0x00000000004F0000-0x0000000000582000-memory.dmp

Filesize
584KB

Download
memory/2748-34-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2748-29-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2748-28-0x0000000000560000-0x00000000005F2000-memory.dmp

Filesize
584KB

Download