djvu | 89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f

Analysis

max time kernel
145s
max time network
147s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 19:56

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General

Target

JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe
Size

784KB
MD5

4c4005e3138397f94b8abec91925c73a
SHA1

e18e77c134091225c790f3ec7528bf64b95c82a7
SHA256

89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f
SHA512

5692ff13677fe772155643d1c0ff35fd126ea8faf9cc800602b1bb5d24df6a828dca60d97a5c6a36a4127f62c300662a8dcda4093afb43ccb6bbc49c66f8552d
SSDEEP

12288:S7sPl0BK3OeTnQ5EKaSaVX0qXF63bVDNIi4xX73lEV5B1TBinzewbPinWVAyxa9L:hl7zE5ED6YKbVDNI/p7IjewWVla9

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.qpss
offline_id
miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1
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-0SLhZxAjRX 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: 0448JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2596-5-0x00000000004F0000-0x000000000060B000-memory.dmp	family_djvu
behavioral1/memory/2472-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2472-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-60-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-69-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-70-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-67-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2744-71-0x0000000000400000-0x0000000000537000-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
2784	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\\dcf06972-47b6-427c-8d32-fddd82e03aa7\\JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe\" --AutoStart"	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe

Looks up external IP address via web service 4 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.2ip.ua
5	api.2ip.ua
9	api.2ip.ua
10	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2168 set thread context of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.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_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2472	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe
2472	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe
2744	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe
2744	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2596 wrote to memory of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2596 wrote to memory of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2596 wrote to memory of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2596 wrote to memory of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2596 wrote to memory of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2596 wrote to memory of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2596 wrote to memory of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2596 wrote to memory of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2596 wrote to memory of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2596 wrote to memory of 2472	2596	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	29
PID 2472 wrote to memory of 2784	2472	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	30
PID 2472 wrote to memory of 2784	2472	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	30
PID 2472 wrote to memory of 2784	2472	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	30
PID 2472 wrote to memory of 2784	2472	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	30
PID 2472 wrote to memory of 2168	2472	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	31
PID 2472 wrote to memory of 2168	2472	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	31
PID 2472 wrote to memory of 2168	2472	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	31
PID 2472 wrote to memory of 2168	2472	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	31
PID 2168 wrote to memory of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	32
PID 2168 wrote to memory of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	32
PID 2168 wrote to memory of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	32
PID 2168 wrote to memory of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	32
PID 2168 wrote to memory of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	32
PID 2168 wrote to memory of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	32
PID 2168 wrote to memory of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	32
PID 2168 wrote to memory of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	32
PID 2168 wrote to memory of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	32
PID 2168 wrote to memory of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	32
PID 2168 wrote to memory of 2744	2168	JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2472
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\dcf06972-47b6-427c-8d32-fddd82e03aa7" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2784
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2168
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2744

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
940419627345bd75852691795aa3df58

SHA1
11eeb567963e880467a039fad44427cb29096415

SHA256
733c8bebc2336c370d9b1133e4c3c31c17ddd4f5067bbf01f5330828c84c5952

SHA512
51fa26a265b7e9f12cf4c90cb47bc0a7cde67b4e9cc3b035ee6e3ed28dfe1f768f2b863b5046cd5063915d8aa1f4286f622c90301827e2a336bb3135fb9d3ebd

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

Filesize
342B

MD5
88ccd689f5bb322a927030a2b22eaa4a

SHA1
a93c01e9953abc2473ba070d2a8430287962ab31

SHA256
70fcf6ad3358f8f67b72b5d2e0fd239b02e5271dfb9982decb5f36e60a13b2a4

SHA512
acacac8b92bd9e4f9e75cf86fbfeef9b6c25d9a7eb4ee8833ad3363df85870607513a188b0783a5e7b31555c09843361a7227359c5b135aef26706a7587c4aff

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

Filesize
170B

MD5
d35f2011d4d8fac23b7af715f7a94388

SHA1
eee38935263e1e4c9864c44b9e3c5d6b8b23495a

SHA256
b3bea5ccc4443ad0573e70723f0780cb8ce258b796c4c1a41fd163ccce27c01a

SHA512
021429c0402a55c13a09b8cc69c4df24a3efcfaf2be14735a1e800f2144a2f342e9449a8067f323129c7b87613faa60604ad743c2cd4a742678c5c505f4e6eee

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab1516.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\dcf06972-47b6-427c-8d32-fddd82e03aa7\JaffaCakes118_89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f.exe

Filesize
784KB

MD5
4c4005e3138397f94b8abec91925c73a

SHA1
e18e77c134091225c790f3ec7528bf64b95c82a7

SHA256
89defe919b41dfac8ac35c0e14634c0d75d4da66e3e27c7338adbad2e316174f

SHA512
5692ff13677fe772155643d1c0ff35fd126ea8faf9cc800602b1bb5d24df6a828dca60d97a5c6a36a4127f62c300662a8dcda4093afb43ccb6bbc49c66f8552d

Download Submit
memory/2168-30-0x0000000000330000-0x00000000003C2000-memory.dmp

Filesize
584KB

Download
memory/2168-31-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2168-37-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2472-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2472-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2472-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2472-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2472-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2596-1-0x0000000000270000-0x0000000000302000-memory.dmp

Filesize
584KB

Download
memory/2596-5-0x00000000004F0000-0x000000000060B000-memory.dmp

Filesize
1.1MB

Download
memory/2596-6-0x0000000000270000-0x0000000000302000-memory.dmp

Filesize
584KB

Download
memory/2596-0-0x0000000000270000-0x0000000000302000-memory.dmp

Filesize
584KB

Download
memory/2744-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-60-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-69-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2744-70-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/2744-67-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/2744-71-0x0000000000400000-0x0000000000537000-memory.dmp

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1.2MB

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