djvu | 392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29

Analysis

max time kernel
146s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:09

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General

Target

JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
Size

794KB
MD5

004c25b803ca4778d78a42880cb3946a
SHA1

1c9fe4ee956952b508faf794526ebf553af4da2f
SHA256

392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29
SHA512

bcde735381b8b8b97cdeb463151d5d4a440dbe0d248001b9f9d577a24f57aadb2170aef93464d47ad8ac30778d7ae81192599314f47ab38a0bb223d29f150e2b
SSDEEP

12288:rC5/849S8RhH2irOK23GQxq0FI3NNi3RD7k5HEtPkfjxxwCGX0VzVNVoBCG8VsnG:6z9SHmkqUI9Y3Zk5sPkfTwLXiUClVR

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.nnuz
offline_id
vBBkNb2o254Xzi3oCcyyfpBNyU9yOZKLh1HH5Mt1
payload_url
http://zerit.top/dl/build2.exe

http://ugll.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-wYSZeUnrpa 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: 0485JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2996-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2996-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2712-2-0x0000000000510000-0x000000000062B000-memory.dmp	family_djvu
behavioral1/memory/2996-25-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2852-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2852-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2852-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2852-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2852-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2852-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2852-53-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2852-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2852-56-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2852-57-0x0000000000400000-0x0000000000537000-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
2392	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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\edc982a8-7819-411a-8500-a171c71db627\\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe\" --AutoStart"	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.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
9	api.2ip.ua
4	api.2ip.ua
5	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2756 set thread context of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34

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_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2996	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
2996	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
2852	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
2852	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2712 wrote to memory of 2996	2712	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	30
PID 2996 wrote to memory of 2392	2996	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	32
PID 2996 wrote to memory of 2392	2996	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	32
PID 2996 wrote to memory of 2392	2996	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	32
PID 2996 wrote to memory of 2392	2996	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	32
PID 2996 wrote to memory of 2756	2996	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	33
PID 2996 wrote to memory of 2756	2996	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	33
PID 2996 wrote to memory of 2756	2996	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	33
PID 2996 wrote to memory of 2756	2996	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	33
PID 2756 wrote to memory of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34
PID 2756 wrote to memory of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34
PID 2756 wrote to memory of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34
PID 2756 wrote to memory of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34
PID 2756 wrote to memory of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34
PID 2756 wrote to memory of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34
PID 2756 wrote to memory of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34
PID 2756 wrote to memory of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34
PID 2756 wrote to memory of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34
PID 2756 wrote to memory of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34
PID 2756 wrote to memory of 2852	2756	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2996
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\edc982a8-7819-411a-8500-a171c71db627" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2392
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2756
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2852

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
2dee4b9b5b6b7d48957d9a5e414873ff

SHA1
ab629507934e5d5413f36e5f46601985d29c80f9

SHA256
4726168554ccca4caa8af97757a6acb02166f94d2e134bcaa128025557624b3f

SHA512
f801ac2821f49c02bd3b7060b088b3b87f4284b06768e7e6e5eb2de5ffab47eb869baad808ce217d8b63789bc26344b7f97d072bb1584f75860decf8b8660a4a

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

Filesize
170B

MD5
6ce7d58bb2a7cafc727912c51f1e33cd

SHA1
7d93a8c248c87c9b2e2fc234d23c41159e7ec0ca

SHA256
bb5105046601348210b351bc15f7a015ac5f015bb9fc0736e5b9c7996b5f4ba4

SHA512
e903c6de888d7810b63d7067ad9b97b5734dc7735443dd0793d9d74a303e77d1b8e6db3e833f040f8f0a1687189f0cbf24d6e51f5fa22bdd2ae0253f551420d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabB4DE.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\edc982a8-7819-411a-8500-a171c71db627\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe

Filesize
794KB

MD5
004c25b803ca4778d78a42880cb3946a

SHA1
1c9fe4ee956952b508faf794526ebf553af4da2f

SHA256
392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29

SHA512
bcde735381b8b8b97cdeb463151d5d4a440dbe0d248001b9f9d577a24f57aadb2170aef93464d47ad8ac30778d7ae81192599314f47ab38a0bb223d29f150e2b

Download Submit
memory/2712-7-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2712-2-0x0000000000510000-0x000000000062B000-memory.dmp

Filesize
1.1MB

Download
memory/2712-1-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2712-0-0x0000000000220000-0x00000000002B2000-memory.dmp

Filesize
584KB

Download
memory/2756-27-0x0000000000300000-0x0000000000392000-memory.dmp

Filesize
584KB

Download
memory/2756-28-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download
memory/2756-33-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download
memory/2852-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2852-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2852-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2852-57-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2852-56-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2852-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2852-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2852-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2852-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2852-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2996-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2996-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download