djvu | 65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc

Analysis

max time kernel
148s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 11:41

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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

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 15 IoCs

resource	yara_rule
behavioral1/memory/1624-5-0x00000000004C0000-0x00000000005DB000-memory.dmp	family_djvu
behavioral1/memory/2300-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2300-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2300-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2300-25-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2696-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2696-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2696-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2696-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2696-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2696-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2696-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2696-64-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2696-63-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2696-65-0x0000000000400000-0x0000000000537000-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
2712	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\\6a33dacc-6292-4eaf-a670-8ad904c78560\\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
5	api.2ip.ua
9	api.2ip.ua
4	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1624 set thread context of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 2964 set thread context of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35

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

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2300	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
2300	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
2696	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
2696	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 1624 wrote to memory of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 1624 wrote to memory of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 1624 wrote to memory of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 1624 wrote to memory of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 1624 wrote to memory of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 1624 wrote to memory of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 1624 wrote to memory of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 1624 wrote to memory of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 1624 wrote to memory of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 1624 wrote to memory of 2300	1624	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	31
PID 2300 wrote to memory of 2712	2300	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	33
PID 2300 wrote to memory of 2712	2300	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	33
PID 2300 wrote to memory of 2712	2300	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	33
PID 2300 wrote to memory of 2712	2300	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	33
PID 2300 wrote to memory of 2964	2300	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	34
PID 2300 wrote to memory of 2964	2300	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	34
PID 2300 wrote to memory of 2964	2300	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	34
PID 2300 wrote to memory of 2964	2300	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	34
PID 2964 wrote to memory of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35
PID 2964 wrote to memory of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35
PID 2964 wrote to memory of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35
PID 2964 wrote to memory of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35
PID 2964 wrote to memory of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35
PID 2964 wrote to memory of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35
PID 2964 wrote to memory of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35
PID 2964 wrote to memory of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35
PID 2964 wrote to memory of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35
PID 2964 wrote to memory of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35
PID 2964 wrote to memory of 2696	2964	JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe	35

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:1624
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.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\6a33dacc-6292-4eaf-a670-8ad904c78560" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2712
- - 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:2964
  - - 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:2696

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
d694ce2a361a30983375595d1369b19c

SHA1
e6037c838182a9b8484be4cdf7f4395ffe225ec8

SHA256
496135ef693f6811b6aa80d4409a3408790d8c403aad2d8cc34f5830d7b7de98

SHA512
40e0ac5ac4ccf18b73ec1ca02be2775c8e1cf581118323aabae6b3f328e2e0eb293fb95bf3632a263124d31d8fa2540af45a6d24f19fa1de3ddc34bbba6ff3f2

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

Filesize
170B

MD5
9bf84cc147d60062ea29f9a29b772239

SHA1
2d94e251a8fa13364d7e376fbbb964920c866b89

SHA256
a0953a6fc8662bc6906de299cae395f87644e11be0c13f169d169303d2c05810

SHA512
49f2c79679f9ee903493262dad0d4417cefe87af379aa0cec85fc00eecf1ff83d5a336cb3e51dc384b9a46a5038adfeead3cb573d11e433df67edcf01ad4d543

Download Submit
C:\Users\Admin\AppData\Local\6a33dacc-6292-4eaf-a670-8ad904c78560\JaffaCakes118_65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc.exe

Filesize
726KB

MD5
01456817b3ff990bf8aab476c338a1ea

SHA1
cdc416d77e38a7a4049b5a8ccdade1cc5c6b2192

SHA256
65209a043e885c089853a770d3533eeea584a4c0f2d556233c581c43ffbe82dc

SHA512
a9ba7a07e3e7ee00f830b0dba837bf63208a62189207d8a2e3b8e55be5f48336bb31f5ebd8fab5b30ecdfbc61d9e17c2de3f93f0a70a94e38af0ab5982e49945

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabF344.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1624-7-0x0000000000230000-0x00000000002C2000-memory.dmp

Filesize
584KB

Download
memory/1624-49-0x00000000004C0000-0x00000000005DB000-memory.dmp

Filesize
1.1MB

Download
memory/1624-5-0x00000000004C0000-0x00000000005DB000-memory.dmp

Filesize
1.1MB

Download
memory/1624-0-0x0000000000230000-0x00000000002C2000-memory.dmp

Filesize
584KB

Download
memory/1624-1-0x0000000000230000-0x00000000002C2000-memory.dmp

Filesize
584KB

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

Filesize
1.2MB

Download
memory/2300-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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

Filesize
1.2MB

Download
memory/2300-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2300-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2696-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2696-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2696-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2696-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2696-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2696-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2696-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2696-64-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2696-63-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2696-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2964-33-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/2964-28-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/2964-27-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download