djvu | dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40

General

Target

JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe
Size

726KB
MD5

9dd2fa5788eddc781b2e6bb53867f4fe
SHA1

4bbcad8a011874d4386dbb539522efdff3fb7353
SHA256

dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40
SHA512

c552987568205610d848f553151ee9ae01a2cc2231c65810cdc058bbf24e6103a40a10a3d9a3ebeb6a4500b5afdae026d630cf2bce9ba129d4f7acb938b2733a
SSDEEP

12288:8kQ6Gzd1Gfe7znRzkIWK8ZCQ/7i0EyfkitUU0vZfDTQ1Qcjcq4nzU:8kXGzdAOznRzxWK8Tq8kitUU0vZfDTQh

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.dmay
offline_id
Xe4NOamOTHZrARTiL9dfVzAylFrEWLGGbr2dngt1
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-FT7BNVbXC9 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: 0458JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 18 IoCs

resource	yara_rule
behavioral2/memory/748-2-0x0000000002250000-0x000000000236B000-memory.dmp	family_djvu
behavioral2/memory/2320-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2320-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2320-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2320-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2320-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-42-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-44-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-45-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-46-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1372-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Djvu family
djvu

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4884	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\8c86910d-4b73-45c3-a6b9-994f5abd969e\\JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe\" --AutoStart"	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.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
20	api.2ip.ua
11	api.2ip.ua
12	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 748 set thread context of 2320	748	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	82
PID 3480 set thread context of 1372	3480	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	90

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_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2320	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe
2320	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe
1372	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe
1372	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 2320	748	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	82
PID 748 wrote to memory of 2320	748	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	82
PID 748 wrote to memory of 2320	748	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	82
PID 748 wrote to memory of 2320	748	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	82
PID 748 wrote to memory of 2320	748	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	82
PID 748 wrote to memory of 2320	748	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	82
PID 748 wrote to memory of 2320	748	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	82
PID 748 wrote to memory of 2320	748	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	82
PID 748 wrote to memory of 2320	748	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	82
PID 748 wrote to memory of 2320	748	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	82
PID 2320 wrote to memory of 4884	2320	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	85
PID 2320 wrote to memory of 4884	2320	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	85
PID 2320 wrote to memory of 4884	2320	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	85
PID 2320 wrote to memory of 3480	2320	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	86
PID 2320 wrote to memory of 3480	2320	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	86
PID 2320 wrote to memory of 3480	2320	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	86
PID 3480 wrote to memory of 1372	3480	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	90
PID 3480 wrote to memory of 1372	3480	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	90
PID 3480 wrote to memory of 1372	3480	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	90
PID 3480 wrote to memory of 1372	3480	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	90
PID 3480 wrote to memory of 1372	3480	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	90
PID 3480 wrote to memory of 1372	3480	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	90
PID 3480 wrote to memory of 1372	3480	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	90
PID 3480 wrote to memory of 1372	3480	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	90
PID 3480 wrote to memory of 1372	3480	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	90
PID 3480 wrote to memory of 1372	3480	JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:748
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2320
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\8c86910d-4b73-45c3-a6b9-994f5abd969e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:4884
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3480
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

File and Directory Permissions Modification

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

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
2764a81e05096e58f0df21363551a51c

SHA1
80bcacd19724f5bd388f243c6ddee41f8fd0f426

SHA256
fdd99a48aa9353ea32c347e645407e6a0038d078b8de285fa579c53a5ecf90e3

SHA512
c172a1ab79d5112816829bddf8d36741c516ba4a6cb8329f6c6f48b90063608589f2e2f2f29884951ec67300c095225232b4c309187c8231478ae245c9091835

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

Filesize
170B

MD5
2cc3e491c3373ef75bac22892f519d9b

SHA1
f9a72ad0fef1542749e4affafaa63e13b959f4c4

SHA256
5233f09208e32ab14a0bce95e69d127af26e26cb910308a9b030bc287471cad0

SHA512
25cac5fe70abb3e8991e994e1ad1693c2ad57da35f7a9f9c30fb6deddaaf0c8f768f967d8017537b0b05ab2db8523731aab83bf47676cd2eb708cbe86bb93dec

Download Submit
C:\Users\Admin\AppData\Local\8c86910d-4b73-45c3-a6b9-994f5abd969e\JaffaCakes118_dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40.exe

Filesize
726KB

MD5
9dd2fa5788eddc781b2e6bb53867f4fe

SHA1
4bbcad8a011874d4386dbb539522efdff3fb7353

SHA256
dde6a638de6c83cc61d466654afe2b290368437ec0edb509254f3a6db1fe3d40

SHA512
c552987568205610d848f553151ee9ae01a2cc2231c65810cdc058bbf24e6103a40a10a3d9a3ebeb6a4500b5afdae026d630cf2bce9ba129d4f7acb938b2733a

Download Submit
memory/748-1-0x0000000000990000-0x0000000000A27000-memory.dmp

Filesize
604KB

Download
memory/748-2-0x0000000002250000-0x000000000236B000-memory.dmp

Filesize
1.1MB

Download
memory/1372-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1372-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1372-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1372-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1372-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1372-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1372-45-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1372-44-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1372-42-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1372-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1372-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1372-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2320-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2320-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2320-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2320-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2320-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3480-19-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/3480-23-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads