djvu | 1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb

General

Target

JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe
Size

833KB
MD5

8f9ab746db639bb8fbe1ca26c257d96f
SHA1

0e176e872eadd55fa8729cc2bdb370341f491613
SHA256

1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb
SHA512

b5d79e4c7ece48155478121e71957d3e0152390a0bb24e1fa115a3d9b42d65a2dbf6a4f7fc7c3e154965e1e18538a70c43dddb2856bfeddbfecfda1699f2101c
SSDEEP

12288:gHCubdk8JTMLRCdaT/jOmJaodGiOss756ZVwWcsUnBBO8W+vRoJt1ErYT8Az:g/5wLRCHmVnI5VJBOa5CJZ

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.byya
offline_id
e8w5MeiBrZVoHLoloPm9MNlKBzXH70BB3B2KQ7t1
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-2w6I3WpXEh 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: 0475JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 17 IoCs

resource	yara_rule
behavioral2/memory/408-2-0x0000000002280000-0x000000000239B000-memory.dmp	family_djvu
behavioral2/memory/1348-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1348-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1348-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1348-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1348-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/332-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/332-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/332-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/332-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/332-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/332-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/332-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/332-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/332-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/332-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/332-39-0x0000000000400000-0x0000000000537000-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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4836	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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\eb49bef6-2f40-4190-84c3-881cd2e05866\\JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe\" --AutoStart"	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.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
14	api.2ip.ua
6	api.2ip.ua
7	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 408 set thread context of 1348	408	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	82
PID 3188 set thread context of 332	3188	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	86

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_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1348	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe
1348	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe
332	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe
332	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 1348	408	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	82
PID 408 wrote to memory of 1348	408	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	82
PID 408 wrote to memory of 1348	408	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	82
PID 408 wrote to memory of 1348	408	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	82
PID 408 wrote to memory of 1348	408	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	82
PID 408 wrote to memory of 1348	408	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	82
PID 408 wrote to memory of 1348	408	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	82
PID 408 wrote to memory of 1348	408	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	82
PID 408 wrote to memory of 1348	408	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	82
PID 408 wrote to memory of 1348	408	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	82
PID 1348 wrote to memory of 4836	1348	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	83
PID 1348 wrote to memory of 4836	1348	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	83
PID 1348 wrote to memory of 4836	1348	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	83
PID 1348 wrote to memory of 3188	1348	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	84
PID 1348 wrote to memory of 3188	1348	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	84
PID 1348 wrote to memory of 3188	1348	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	84
PID 3188 wrote to memory of 332	3188	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	86
PID 3188 wrote to memory of 332	3188	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	86
PID 3188 wrote to memory of 332	3188	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	86
PID 3188 wrote to memory of 332	3188	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	86
PID 3188 wrote to memory of 332	3188	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	86
PID 3188 wrote to memory of 332	3188	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	86
PID 3188 wrote to memory of 332	3188	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	86
PID 3188 wrote to memory of 332	3188	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	86
PID 3188 wrote to memory of 332	3188	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	86
PID 3188 wrote to memory of 332	3188	JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:408
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.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:1348
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\eb49bef6-2f40-4190-84c3-881cd2e05866" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:4836
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3188
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:332

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

Replay Monitor

Loading Replay Monitor...

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
5750ca5f70f4462f355f53649cd46c60

SHA1
1dadc3b27702e5446a5dfc974b5ef0700f98e5bf

SHA256
1a336603ecc7e3a238ac085a253f497fd6e3258365ede34c55ca336e6e5279fd

SHA512
d8e64c4df7101bfde144c439c7fc6634b5a203103dc0d5664dd0341c8feb82b5fd2c668ab14e9bf1a8bbd25996e3be360f0b6512e628a247d906d8c46857087d

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

Filesize
170B

MD5
efddfa023404de33464c69e3883ced39

SHA1
09660cfabced0ce8b56b06b72961fb1b41ef1063

SHA256
476f42d5067776d518448cde5a11b73554b38ba862f96b031985190bf94cf29d

SHA512
d2af5f7ae98d79c662eb0c50a1634699021fa04b291fbe363e4c1661cb6bcb92261c1a8b2e57b1e3325eea107ec48614d5b4003873da3efdd527c3a873c0b063

Download Submit
C:\Users\Admin\AppData\Local\eb49bef6-2f40-4190-84c3-881cd2e05866\JaffaCakes118_1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb.exe

Filesize
833KB

MD5
8f9ab746db639bb8fbe1ca26c257d96f

SHA1
0e176e872eadd55fa8729cc2bdb370341f491613

SHA256
1be295ac41dc46241b3be8381a28132eb5d46664619d36d4186788b4c4c1d2cb

SHA512
b5d79e4c7ece48155478121e71957d3e0152390a0bb24e1fa115a3d9b42d65a2dbf6a4f7fc7c3e154965e1e18538a70c43dddb2856bfeddbfecfda1699f2101c

Download Submit
memory/332-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/332-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/332-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/332-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/332-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/332-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/332-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/332-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/332-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/332-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/332-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/408-1-0x00000000006C0000-0x000000000075C000-memory.dmp

Filesize
624KB

Download
memory/408-2-0x0000000002280000-0x000000000239B000-memory.dmp

Filesize
1.1MB

Download
memory/1348-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1348-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1348-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1348-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1348-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3188-23-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download
memory/3188-19-0x0000000000400000-0x0000000000511000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads