djvu | 578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e

Analysis

max time kernel
141s
max time network
134s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 11:21

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General

Target

JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe
Size

839KB
MD5

074601f894c2231c4bf70bfe86b380c5
SHA1

097913be833b7f9f9fbacbfee76cccc3e4e2f3d3
SHA256

578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e
SHA512

589b3d32ffad4524cf532f7aa889d59ca1741fedd304eafe22e4f6448634d01cce38f4a213f7577fcba19c3406a59dddc4367b5e4a1de4482da7f3ce61d913a4
SSDEEP

24576:JDSPE4iYI6kBSjULV3LU0Fi33S96UVOCsB:VahG1UmiSgUg

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.dwqs
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: 0450Jbdio

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2792-2-0x0000000001E00000-0x0000000001F1B000-memory.dmp	family_djvu
behavioral1/memory/1516-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1516-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1516-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1516-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2712-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2712-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2712-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2712-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2712-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2712-60-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2712-63-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2712-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2712-65-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2712-67-0x0000000000400000-0x0000000000537000-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
2748	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\\15dc6328-cce2-41c8-b3f1-44eeb8a11455\\JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe\" --AutoStart"	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.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 2792 set thread context of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 3032 set thread context of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.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_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1516	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe
1516	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe
2712	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe
2712	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 2792 wrote to memory of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 2792 wrote to memory of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 2792 wrote to memory of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 2792 wrote to memory of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 2792 wrote to memory of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 2792 wrote to memory of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 2792 wrote to memory of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 2792 wrote to memory of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 2792 wrote to memory of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 2792 wrote to memory of 1516	2792	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	29
PID 1516 wrote to memory of 2748	1516	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	30
PID 1516 wrote to memory of 2748	1516	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	30
PID 1516 wrote to memory of 2748	1516	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	30
PID 1516 wrote to memory of 2748	1516	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	30
PID 1516 wrote to memory of 3032	1516	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	31
PID 1516 wrote to memory of 3032	1516	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	31
PID 1516 wrote to memory of 3032	1516	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	31
PID 1516 wrote to memory of 3032	1516	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	31
PID 3032 wrote to memory of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	32
PID 3032 wrote to memory of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	32
PID 3032 wrote to memory of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	32
PID 3032 wrote to memory of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	32
PID 3032 wrote to memory of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	32
PID 3032 wrote to memory of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	32
PID 3032 wrote to memory of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	32
PID 3032 wrote to memory of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	32
PID 3032 wrote to memory of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	32
PID 3032 wrote to memory of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	32
PID 3032 wrote to memory of 2712	3032	JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1516
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\15dc6328-cce2-41c8-b3f1-44eeb8a11455" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2748
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3032
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2712

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
ba16ce27683fb4fa2eeeda7ff81c1b91

SHA1
442f5328b26edc16f09160117e4a5b8553322864

SHA256
86f3771f1f38abcc96810f6ac501f3e75b6ad610ab1745eef86e10c5ba5b0789

SHA512
9689af11f090937c63c40ad96cb5d43a4a9f3f63e1558b5acdf47ed10f73bc1c41bfa2b691130e82fd4d80d90345f4248a3d099d46ef4e378c1c4605f1e5b257

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

Filesize
342B

MD5
d768c733b40e7f973e7b3d20d7d0a674

SHA1
02209b17f4c64485d88c75330920697483822d6c

SHA256
8765bd8c4c16bd90b24e9ff5c763373eab7fa2d03ca4dd06f51ec21342c1cfbd

SHA512
2c3f34f5628da4be04c669ad8305a8d8d2a6ad2bdf1ac774d3e6f390a5c69f92cefae6aefa076581496752a04e7275297a6aaa698100c78416d6bd0252662591

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

Filesize
170B

MD5
daed17694cfe69f5eb8766c61394bbcf

SHA1
a0076d53833a0fa2917398c50c40eb844c255d06

SHA256
fd316ad3732fce06d5135681975c9ac42e738af8d27f0626222ad7e9de6739a7

SHA512
d6e2c95b42537577377f6eae020011658567641810a962533f50d1d4ce879c5de9a3d90e1f242dc1c5175a7df97b1c1591dc64660c7e17e5247714493eb5ab91

Download Submit
C:\Users\Admin\AppData\Local\15dc6328-cce2-41c8-b3f1-44eeb8a11455\JaffaCakes118_578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e.exe

Filesize
839KB

MD5
074601f894c2231c4bf70bfe86b380c5

SHA1
097913be833b7f9f9fbacbfee76cccc3e4e2f3d3

SHA256
578771ff3fba7e5d2707e6e013742afb398fe0192951d168b65be0ad9221544e

SHA512
589b3d32ffad4524cf532f7aa889d59ca1741fedd304eafe22e4f6448634d01cce38f4a213f7577fcba19c3406a59dddc4367b5e4a1de4482da7f3ce61d913a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab5ADD.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1516-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1516-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1516-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1516-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1516-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2712-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2712-63-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2712-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2712-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2712-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2712-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2712-60-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2712-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2712-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2712-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2792-1-0x0000000000580000-0x0000000000612000-memory.dmp

Filesize
584KB

Download
memory/2792-2-0x0000000001E00000-0x0000000001F1B000-memory.dmp

Filesize
1.1MB

Download
memory/2792-6-0x0000000000580000-0x0000000000612000-memory.dmp

Filesize
584KB

Download
memory/2792-0-0x0000000000580000-0x0000000000612000-memory.dmp

Filesize
584KB

Download
memory/3032-35-0x0000000000400000-0x00000000004DD000-memory.dmp

Filesize
884KB

Download
memory/3032-29-0x00000000002A0000-0x0000000000332000-memory.dmp

Filesize
584KB

Download
memory/3032-30-0x0000000000400000-0x00000000004DD000-memory.dmp

Filesize
884KB

Download