djvu | 417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088

Analysis

max time kernel
144s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-12-2024 12:59

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General

Target

JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe
Size

767KB
MD5

e16c6471cf73ccda4e5bcc0da7f6059d
SHA1

1b01d1b56f2211fc97de796bd67a1b23162394ff
SHA256

417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088
SHA512

44ce9e11e0de0386ae108bdd78c63ca461248ed14fdc100c8d0af963626a7bd7e0521a8a17184b4cafb3abe6d600c9f42c66c07f7e9e0c56f2530db3b857b091
SSDEEP

12288:LClcVJ68NFGrukos2wihYDvIb9Z7oYRSuHcXwv79GzCppNB+/IPGWnnYa7kbPXdY:zVZEwj5YDQLUxXwvAC3u/IPGWnYacPXP

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

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

Attributes

extension
.nuhb
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: 0453Jbdio

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/1800-2-0x00000000007F0000-0x000000000090B000-memory.dmp	family_djvu
behavioral1/memory/2124-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2124-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2124-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2124-25-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-60-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-63-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-62-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2096-64-0x0000000000400000-0x0000000000537000-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
2892	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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\060d2810-dfb0-4556-94eb-e59b88b2718e\\JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe\" --AutoStart"	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.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 1800 set thread context of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 2764 set thread context of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.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_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2124	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe
2124	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe
2096	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe
2096	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 1800 wrote to memory of 2124	1800	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	30
PID 2124 wrote to memory of 2892	2124	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	32
PID 2124 wrote to memory of 2892	2124	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	32
PID 2124 wrote to memory of 2892	2124	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	32
PID 2124 wrote to memory of 2892	2124	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	32
PID 2124 wrote to memory of 2764	2124	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	33
PID 2124 wrote to memory of 2764	2124	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	33
PID 2124 wrote to memory of 2764	2124	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	33
PID 2124 wrote to memory of 2764	2124	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	33
PID 2764 wrote to memory of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	34
PID 2764 wrote to memory of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	34
PID 2764 wrote to memory of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	34
PID 2764 wrote to memory of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	34
PID 2764 wrote to memory of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	34
PID 2764 wrote to memory of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	34
PID 2764 wrote to memory of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	34
PID 2764 wrote to memory of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	34
PID 2764 wrote to memory of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	34
PID 2764 wrote to memory of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	34
PID 2764 wrote to memory of 2096	2764	JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe	34

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\060d2810-dfb0-4556-94eb-e59b88b2718e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2892
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2764
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2096

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
6eb0f0ada2ed1ebe71bc8406e4c1342e

SHA1
ac8ce6e21fd8d2b30e116c952bd1c582b8f7ac9a

SHA256
20258599c62cba5ee6aa258f0f0bc163cfbdcd7598e119e7524d90bd98122cf6

SHA512
52dd299c3404e05162d1446d70efbe9f6cbba9cb93eab6f9a2e4c8f9d7a21b8836afd9e742d7c80e3df00efecc52952e7325e93ed0b908d7c3caf363cceac5d1

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

Filesize
170B

MD5
5d0686131d15dc840b0ea6769c7e566a

SHA1
8f8f2dba7d2263ad45fe554e783957bbadbe7097

SHA256
f1b2a2b9f9c00922342e54ceddd02d4177076ce14145075ef672019dedd0c4f3

SHA512
3eb48c7e8dc1ce81ef44e5f36ae6cb32f632387118f328fcf9a0ebab67c6672544242c6f40f694c8cea1158217966f6450ac44230aac181b873f4e8a5a28fbc5

Download Submit
C:\Users\Admin\AppData\Local\060d2810-dfb0-4556-94eb-e59b88b2718e\JaffaCakes118_417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088.exe

Filesize
767KB

MD5
e16c6471cf73ccda4e5bcc0da7f6059d

SHA1
1b01d1b56f2211fc97de796bd67a1b23162394ff

SHA256
417bb5ae55f1805a79dbc63fffc5ce5ffc7667559ccdf014fbd8aedfc489f088

SHA512
44ce9e11e0de0386ae108bdd78c63ca461248ed14fdc100c8d0af963626a7bd7e0521a8a17184b4cafb3abe6d600c9f42c66c07f7e9e0c56f2530db3b857b091

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabC39D.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/1800-1-0x0000000000750000-0x00000000007E1000-memory.dmp

Filesize
580KB

Download
memory/1800-2-0x00000000007F0000-0x000000000090B000-memory.dmp

Filesize
1.1MB

Download
memory/1800-0-0x0000000000750000-0x00000000007E1000-memory.dmp

Filesize
580KB

Download
memory/1800-7-0x0000000000750000-0x00000000007E1000-memory.dmp

Filesize
580KB

Download
memory/2096-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-64-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-62-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-63-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-60-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-57-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2096-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2124-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2124-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2124-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2124-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2124-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2764-28-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2764-27-0x0000000000300000-0x0000000000391000-memory.dmp

Filesize
580KB

Download
memory/2764-33-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download