djvu | 86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790

Analysis

max time kernel
142s
max time network
130s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 19:16

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General

Target

JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe
Size

767KB
MD5

899e1c3f850026d839107ada6e6a673d
SHA1

0d28489d43132e492617e06b03b155d719a438b6
SHA256

86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790
SHA512

2dc69ef9b29fd0b0c7be11c6e05b73c1cd4e9eacc33ff524bbce96e1664883d34e6e3eaaab5c61ac0ce1bf0bdad06e89607fb5948fe699770e86c0b2f8456dd6
SSDEEP

12288:wSmx99VFNxlHwC86Z0aK8zBRYz/432rPSESr3tGTTk73NSMnPeSmzOZQItckx:G99zT86uh8bnESEXTk73NSMnPeSAq3c4

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 16 IoCs

resource	yara_rule
behavioral1/memory/2880-2-0x0000000001D80000-0x0000000001E9B000-memory.dmp	family_djvu
behavioral1/memory/2296-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2296-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2296-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2296-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2736-53-0x0000000000400000-0x00000000004E8000-memory.dmp	family_djvu
behavioral1/memory/2728-54-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-69-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-70-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-67-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2728-71-0x0000000000400000-0x0000000000537000-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
2688	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\\8742e77f-aea9-46db-bfc9-5ec167d0fc79\\JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe\" --AutoStart"	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.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 2880 set thread context of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2736 set thread context of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.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_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2296	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe
2296	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe
2728	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe
2728	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2880 wrote to memory of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2880 wrote to memory of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2880 wrote to memory of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2880 wrote to memory of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2880 wrote to memory of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2880 wrote to memory of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2880 wrote to memory of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2880 wrote to memory of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2880 wrote to memory of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2880 wrote to memory of 2296	2880	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	30
PID 2296 wrote to memory of 2688	2296	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	31
PID 2296 wrote to memory of 2688	2296	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	31
PID 2296 wrote to memory of 2688	2296	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	31
PID 2296 wrote to memory of 2688	2296	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	31
PID 2296 wrote to memory of 2736	2296	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	32
PID 2296 wrote to memory of 2736	2296	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	32
PID 2296 wrote to memory of 2736	2296	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	32
PID 2296 wrote to memory of 2736	2296	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	32
PID 2736 wrote to memory of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	33
PID 2736 wrote to memory of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	33
PID 2736 wrote to memory of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	33
PID 2736 wrote to memory of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	33
PID 2736 wrote to memory of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	33
PID 2736 wrote to memory of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	33
PID 2736 wrote to memory of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	33
PID 2736 wrote to memory of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	33
PID 2736 wrote to memory of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	33
PID 2736 wrote to memory of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	33
PID 2736 wrote to memory of 2728	2736	JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\8742e77f-aea9-46db-bfc9-5ec167d0fc79" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2688
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2736
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2728

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

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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
18c485fce16c82b7c3cb919d26411fad

SHA1
a9433ed18e82699c918ebd56a561070a50511748

SHA256
1167493d79f66dcc143710be74954bbd41d22d779a574964e9a5ef4862543f41

SHA512
3ca636c4e08621ddaea38a639659fac5d3573c396d7dbf3eaad548b44b6551eac6b5d56fdf387f9cf331f1a8eb25f2231ad7689c399ca4db673e21881facc7a7

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

Filesize
342B

MD5
e6b01c94fc3e7ee10b1139886747bdc5

SHA1
dc996d37d77ad7ba1390917c0b132f7f3ea87d5d

SHA256
df1c9f2a2fd098a4734c2490a0e21aae38dad5775aea5d3129402127660c7946

SHA512
34e537226ce7ebf3a57d8153835f3e94541d8b99d8b38134fff6ca477a300ff90402592bd12c96f67e545afcbf39410ef7e989970c0f96a5578924c568dae2ee

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

Filesize
170B

MD5
0d0cb5f9cd47a71e020c00393c029639

SHA1
5d79b8d4cb05f485dfdbcaf3eeb81072e5713adf

SHA256
36c0fe71ba95964c20a526eaaa85b50f81727e58dcc6d12a2e2ad3c85ce3435a

SHA512
60841f446ccfe918c8011c4cc6418b3ad5690156b4eda656694c07b14412c54c418356897b440513061add4110793b62c3f180a12e3bf6b65853f2239d514a69

Download Submit
C:\Users\Admin\AppData\Local\8742e77f-aea9-46db-bfc9-5ec167d0fc79\JaffaCakes118_86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790.exe

Filesize
767KB

MD5
899e1c3f850026d839107ada6e6a673d

SHA1
0d28489d43132e492617e06b03b155d719a438b6

SHA256
86416072f029572ab0a083d6b821d10a19a522da4199332e4f892f8a742fb790

SHA512
2dc69ef9b29fd0b0c7be11c6e05b73c1cd4e9eacc33ff524bbce96e1664883d34e6e3eaaab5c61ac0ce1bf0bdad06e89607fb5948fe699770e86c0b2f8456dd6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab6A76.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
memory/2296-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2296-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2296-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2296-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2296-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-71-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-67-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-70-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-69-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-54-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2728-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2736-53-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2736-30-0x0000000001C80000-0x0000000001D11000-memory.dmp

Filesize
580KB

Download
memory/2736-31-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2736-35-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/2880-1-0x0000000001CE0000-0x0000000001D71000-memory.dmp

Filesize
580KB

Download
memory/2880-2-0x0000000001D80000-0x0000000001E9B000-memory.dmp

Filesize
1.1MB

Download
memory/2880-7-0x0000000001CE0000-0x0000000001D71000-memory.dmp

Filesize
580KB

Download
memory/2880-0-0x0000000001CE0000-0x0000000001D71000-memory.dmp

Filesize
580KB

Download