djvu | ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e

Analysis

max time kernel
147s
max time network
138s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 15:34

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General

Target

JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe
Size

759KB
MD5

69ded3d0a8001495bf29a27505929d96
SHA1

494008293bd598d3729a1c01e07f186935b3f394
SHA256

ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e
SHA512

34f828ea056668128ab7f8c8f17a50ea8d53dbcde315b3a00b219740dcd228ab006716d06440711112bb2875974ac363bc31a054d459d8a2b06f374ac5f914d8
SSDEEP

12288:omdQRTeN5UGfDvzFuuvcNcwljhN8YOoz7asqkNcWhDMW+TsFUvYhX8Mf8Ysvivqh:QTekynFfkcwljh67oz7PxbhDMpoFUghS

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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 15 IoCs

resource	yara_rule
behavioral1/memory/2116-2-0x0000000001DF0000-0x0000000001F0B000-memory.dmp	family_djvu
behavioral1/memory/2204-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2204-7-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2204-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2204-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2972-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2972-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2972-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2972-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2972-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2972-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2972-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2972-63-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2972-64-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2972-65-0x0000000000400000-0x0000000000537000-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
2936	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\\8a4f94f7-d3c6-4060-807c-bffe932caf69\\JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe\" --AutoStart"	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.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
4	api.2ip.ua
9	api.2ip.ua
3	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2116 set thread context of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2928 set thread context of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33

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_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2204	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe
2204	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe
2972	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe
2972	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2116 wrote to memory of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2116 wrote to memory of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2116 wrote to memory of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2116 wrote to memory of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2116 wrote to memory of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2116 wrote to memory of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2116 wrote to memory of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2116 wrote to memory of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2116 wrote to memory of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2116 wrote to memory of 2204	2116	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	30
PID 2204 wrote to memory of 2936	2204	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	31
PID 2204 wrote to memory of 2936	2204	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	31
PID 2204 wrote to memory of 2936	2204	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	31
PID 2204 wrote to memory of 2936	2204	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	31
PID 2204 wrote to memory of 2928	2204	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	32
PID 2204 wrote to memory of 2928	2204	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	32
PID 2204 wrote to memory of 2928	2204	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	32
PID 2204 wrote to memory of 2928	2204	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	32
PID 2928 wrote to memory of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33
PID 2928 wrote to memory of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33
PID 2928 wrote to memory of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33
PID 2928 wrote to memory of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33
PID 2928 wrote to memory of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33
PID 2928 wrote to memory of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33
PID 2928 wrote to memory of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33
PID 2928 wrote to memory of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33
PID 2928 wrote to memory of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33
PID 2928 wrote to memory of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33
PID 2928 wrote to memory of 2972	2928	JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2204
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\8a4f94f7-d3c6-4060-807c-bffe932caf69" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2936
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2928
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2972

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
fdd4880458501bfbe8ec9a4002545c0f

SHA1
62dd7a33443a008b56b3fb126048b100c485d18f

SHA256
67047a980c1cb3913590ac5884cc509a242221f7b846e3287b7fcfc747122181

SHA512
0263b88027f540629203fbb0a58782f453d420b5e1555de96b30b81d3d2fe2d5c3c1254c45d032b998114617c0813987b20d1f09b7c317baa3de872683032869

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

Filesize
170B

MD5
230e10be4688fa869ac07f2d51356766

SHA1
730bf7599d8ba4a1c6418e6241aa7511f880dad2

SHA256
7a69aa03f78b02c4bf7f80b6de5077640abe0bb610a0e012d42364e42db5dbdc

SHA512
ca849e6a2ad8cb50496dd3c52b67ceff1cde277d3f906e0a394e521e7e1aebee94304b538fd426c47a65f2010763e044e73778d7fd7fe7f8a32a8254439c2264

Download Submit
C:\Users\Admin\AppData\Local\8a4f94f7-d3c6-4060-807c-bffe932caf69\JaffaCakes118_ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e.exe

Filesize
759KB

MD5
69ded3d0a8001495bf29a27505929d96

SHA1
494008293bd598d3729a1c01e07f186935b3f394

SHA256
ccab2ff1a306fd1058e080073262db3815787372faff6087ca41b007019a0d7e

SHA512
34f828ea056668128ab7f8c8f17a50ea8d53dbcde315b3a00b219740dcd228ab006716d06440711112bb2875974ac363bc31a054d459d8a2b06f374ac5f914d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabFE6B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2116-8-0x0000000000540000-0x00000000005D2000-memory.dmp

Filesize
584KB

Download
memory/2116-0-0x0000000000540000-0x00000000005D2000-memory.dmp

Filesize
584KB

Download
memory/2116-2-0x0000000001DF0000-0x0000000001F0B000-memory.dmp

Filesize
1.1MB

Download
memory/2116-1-0x0000000000540000-0x00000000005D2000-memory.dmp

Filesize
584KB

Download
memory/2204-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2204-7-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2204-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2204-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2204-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2928-28-0x0000000000560000-0x00000000005F2000-memory.dmp

Filesize
584KB

Download
memory/2928-29-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2928-33-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2972-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2972-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2972-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2972-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2972-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2972-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2972-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2972-63-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2972-64-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2972-65-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download