djvu | 8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9

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

C2

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 18 IoCs

resource	yara_rule
behavioral2/memory/2432-2-0x00000000021F0000-0x000000000230B000-memory.dmp	family_djvu
behavioral2/memory/3936-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3936-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3936-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3936-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3936-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-44-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-46-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1508-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Djvu family
djvu

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1008	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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\2ff3fd43-2b3e-49f6-9a20-22513e67a0b2\\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
6	api.2ip.ua
7	api.2ip.ua
17	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2432 set thread context of 3936	2432	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	83
PID 3236 set thread context of 1508	3236	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	87

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_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3936	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
3936	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
1508	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
1508	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 3936	2432	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	83
PID 2432 wrote to memory of 3936	2432	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	83
PID 2432 wrote to memory of 3936	2432	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	83
PID 2432 wrote to memory of 3936	2432	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	83
PID 2432 wrote to memory of 3936	2432	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	83
PID 2432 wrote to memory of 3936	2432	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	83
PID 2432 wrote to memory of 3936	2432	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	83
PID 2432 wrote to memory of 3936	2432	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	83
PID 2432 wrote to memory of 3936	2432	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	83
PID 2432 wrote to memory of 3936	2432	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	83
PID 3936 wrote to memory of 1008	3936	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	84
PID 3936 wrote to memory of 1008	3936	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	84
PID 3936 wrote to memory of 1008	3936	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	84
PID 3936 wrote to memory of 3236	3936	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	85
PID 3936 wrote to memory of 3236	3936	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	85
PID 3936 wrote to memory of 3236	3936	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	85
PID 3236 wrote to memory of 1508	3236	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	87
PID 3236 wrote to memory of 1508	3236	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	87
PID 3236 wrote to memory of 1508	3236	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	87
PID 3236 wrote to memory of 1508	3236	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	87
PID 3236 wrote to memory of 1508	3236	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	87
PID 3236 wrote to memory of 1508	3236	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	87
PID 3236 wrote to memory of 1508	3236	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	87
PID 3236 wrote to memory of 1508	3236	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	87
PID 3236 wrote to memory of 1508	3236	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	87
PID 3236 wrote to memory of 1508	3236	JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe	87

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:2432
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3936
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\2ff3fd43-2b3e-49f6-9a20-22513e67a0b2" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:1008
- - 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:3236
  - - 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:1508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

File and Directory Permissions Modification

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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
f7cc69170814febb9143376c4f171672

SHA1
4b9278dc690bf54d7d13e2262f46f5c67f6fac1d

SHA256
4103f02b401e7e1a13a18314fc9ab94d884a112e73bdf0d78d0d1623ee5d9398

SHA512
05ffdd0f3bb25165836267421b776d5b9c4b74805ef71b8e42d17a4ccb866dd600ebde96e64df09d12cbaf0c59bb278ad6746b7b53053b6982aa99a21ae75817

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

Filesize
170B

MD5
70d904c3f877309017dff0a0a472f21c

SHA1
d99374071761e267d43ed0ca541dd05e498c5004

SHA256
1fcf433a83e4bd6f461fc26d1a7b5507a3df8be995bf9b9794e53466b62379ce

SHA512
b432ede4d53d36fc825b71b7ebed8f068ea41d84014f2a4dd3f0e4cd4c437b95c3516602de2cfe3f0eacdc26031dec7574c48d1a8fc6642889058ea8c6198d4d

Download Submit
C:\Users\Admin\AppData\Local\2ff3fd43-2b3e-49f6-9a20-22513e67a0b2\JaffaCakes118_8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9.exe

Filesize
757KB

MD5
ecbe71acc090c1bb8e77118f01f6c2b9

SHA1
ba7d46467e5da6176db5df8f74cc905391d806fd

SHA256
8edae54f83c18181a59573cd13983e17cd9877a713e127e358a8d8a76266dbb9

SHA512
e54c6f08eef65cf1629ad88e660230215c9c8583b9fb93190cece199aa88bbe1fd60a940ee9ae6656e370c3eec5bab69cfcd2ca7c029be31c7b73ca9085719cf

Download Submit
memory/1508-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1508-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1508-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1508-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1508-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1508-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1508-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1508-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1508-44-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1508-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1508-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1508-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2432-2-0x00000000021F0000-0x000000000230B000-memory.dmp

Filesize
1.1MB

Download
memory/2432-1-0x0000000000670000-0x0000000000708000-memory.dmp

Filesize
608KB

Download
memory/3236-23-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/3236-19-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/3936-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3936-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3936-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3936-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3936-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads