djvu | 65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc

General

Target

JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
Size

726KB
MD5

01456817b3ff990bf8aab476c338a1ea
SHA1

cdc416d77e38a7a4049b5a8ccdade1cc5c6b2192
SHA256

65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc
SHA512

a9ba7a07e3e7ee00f830b0dba837bf63208a62189207d8a2e3b8e55be5f48336bb31f5ebd8fab5b30ecdfbc61d9e17c2de3f93f0a70a94e38af0ab5982e49945
SSDEEP

12288:pJxy8Or5vCXxblkNYv9hsTg74RuZvH4t8jyjqj2J9bGj1ga:pJQ31vCXxpzcTaO0YxOb

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.dmay
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: 0458JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 18 IoCs

resource	yara_rule
behavioral2/memory/3628-2-0x0000000002200000-0x000000000231B000-memory.dmp	family_djvu
behavioral2/memory/2876-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2876-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2876-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2876-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2876-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-44-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-46-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1916-49-0x0000000000400000-0x0000000000537000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4656	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\a72b6c74-f81f-4b5d-9287-d15e6e34c46f\\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe\" --AutoStart"	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.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
12	api.2ip.ua
13	api.2ip.ua
21	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3628 set thread context of 2876	3628	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	82
PID 4856 set thread context of 1916	4856	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	86

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_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2876	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
2876	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
1916	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
1916	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3628 wrote to memory of 2876	3628	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	82
PID 3628 wrote to memory of 2876	3628	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	82
PID 3628 wrote to memory of 2876	3628	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	82
PID 3628 wrote to memory of 2876	3628	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	82
PID 3628 wrote to memory of 2876	3628	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	82
PID 3628 wrote to memory of 2876	3628	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	82
PID 3628 wrote to memory of 2876	3628	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	82
PID 3628 wrote to memory of 2876	3628	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	82
PID 3628 wrote to memory of 2876	3628	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	82
PID 3628 wrote to memory of 2876	3628	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	82
PID 2876 wrote to memory of 4656	2876	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	83
PID 2876 wrote to memory of 4656	2876	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	83
PID 2876 wrote to memory of 4656	2876	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	83
PID 2876 wrote to memory of 4856	2876	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	84
PID 2876 wrote to memory of 4856	2876	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	84
PID 2876 wrote to memory of 4856	2876	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	84
PID 4856 wrote to memory of 1916	4856	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	86
PID 4856 wrote to memory of 1916	4856	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	86
PID 4856 wrote to memory of 1916	4856	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	86
PID 4856 wrote to memory of 1916	4856	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	86
PID 4856 wrote to memory of 1916	4856	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	86
PID 4856 wrote to memory of 1916	4856	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	86
PID 4856 wrote to memory of 1916	4856	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	86
PID 4856 wrote to memory of 1916	4856	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	86
PID 4856 wrote to memory of 1916	4856	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	86
PID 4856 wrote to memory of 1916	4856	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3628
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.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:2876
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\a72b6c74-f81f-4b5d-9287-d15e6e34c46f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:4656
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4856
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1916

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
b4918897310ae077fc2409bcc2cee36c

SHA1
5ab386aa36a7cc0990e54448b0d620607efaa183

SHA256
1006c9b88dceda13616691004df5c11f6c6372b926a5df3eae1554cb8379d429

SHA512
ef2db0d6780e4c431b3bf17eb72ef150e104d712d49f29f7f73961068f8e0b01e16ac06c4edb41aad2f62bfc1fbb59d25bc1e10e4b2e882956377a74eea3f44e

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

Filesize
170B

MD5
0c182bb995e2b316c082323eddedaef0

SHA1
0efcc3bcab3ede67faff2159d07b9a45e8333e60

SHA256
51e039f653b9c98147967e9587acfc5a142a8398c72a24eacb3d6ac3c1c7a652

SHA512
06ed5b38a3dba9c90c045d70ad407420aad949da38c6769c080057d3aa903f3f9eb83a1bd33082d2377fe4a1849e191c8cb49a2856a7015cc49017b132934e20

Download Submit
C:\Users\Admin\AppData\Local\a72b6c74-f81f-4b5d-9287-d15e6e34c46f\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe

Filesize
726KB

MD5
01456817b3ff990bf8aab476c338a1ea

SHA1
cdc416d77e38a7a4049b5a8ccdade1cc5c6b2192

SHA256
65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc

SHA512
a9ba7a07e3e7ee00f830b0dba837bf63208a62189207d8a2e3b8e55be5f48336bb31f5ebd8fab5b30ecdfbc61d9e17c2de3f93f0a70a94e38af0ab5982e49945

Download Submit
memory/1916-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1916-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1916-44-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1916-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1916-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1916-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1916-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1916-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1916-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1916-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1916-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1916-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2876-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2876-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2876-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2876-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2876-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3628-2-0x0000000002200000-0x000000000231B000-memory.dmp

Filesize
1.1MB

Download
memory/3628-1-0x0000000000630000-0x00000000006CC000-memory.dmp

Filesize
624KB

Download
memory/4856-23-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/4856-19-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads