djvu | 9100041c5b0a01803345cb6cfe42d429baeb3913e6cad602c7f0e32aa802b9b7

General

Target

JaffaCakes118_9908264520394db485644af56f60bc8d.exe
Size

864KB
MD5

9908264520394db485644af56f60bc8d
SHA1

682c67c0e88460118f35d4d27b93d5d55b3786bf
SHA256

9100041c5b0a01803345cb6cfe42d429baeb3913e6cad602c7f0e32aa802b9b7
SHA512

337bf236cc4c90df6063cff302ad63ca5e9e6c037395d8d6e8cc0e1c7d31729fb8b90bbb03eaf6bda4dd929f04ff5f191d9026496d288c3247fc30c2cff0eac9
SSDEEP

12288:MPiOVS8CRUqOdnziAYkAH6CbsEqJLM2XbVfEFjOjf2YLYif6TqAxuqsQcY6:MKwdqOBzVAH6xEqFfREE1kjTpxu9

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://rlrz.org/lancer/get.php

Attributes

extension
.zaps
offline_id
xcdIdDNFh62dy3iJsba1COhcfDENsbjPHQQ2Eht1
payload_url
http://znpst.top/dl/build2.exe

http://rlrz.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-pk3SGFlmek 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: 0341gSd743d

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 17 IoCs

resource	yara_rule
behavioral2/memory/4916-2-0x0000000000E80000-0x0000000000F9B000-memory.dmp	family_djvu
behavioral2/memory/600-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/600-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/600-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/600-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/600-19-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1704-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1704-26-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1704-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1704-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1704-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1704-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1704-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1704-40-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1704-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1704-41-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1704-43-0x0000000000400000-0x0000000000537000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_9908264520394db485644af56f60bc8d.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4588	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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\df1e6690-dc04-4aed-84eb-27dd4ac92fa0\\JaffaCakes118_9908264520394db485644af56f60bc8d.exe\" --AutoStart"	JaffaCakes118_9908264520394db485644af56f60bc8d.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
7	api.2ip.ua
8	api.2ip.ua
20	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4916 set thread context of 600	4916	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	83
PID 3160 set thread context of 1704	3160	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	87

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_9908264520394db485644af56f60bc8d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9908264520394db485644af56f60bc8d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9908264520394db485644af56f60bc8d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9908264520394db485644af56f60bc8d.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
600	JaffaCakes118_9908264520394db485644af56f60bc8d.exe
600	JaffaCakes118_9908264520394db485644af56f60bc8d.exe
1704	JaffaCakes118_9908264520394db485644af56f60bc8d.exe
1704	JaffaCakes118_9908264520394db485644af56f60bc8d.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4916 wrote to memory of 600	4916	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	83
PID 4916 wrote to memory of 600	4916	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	83
PID 4916 wrote to memory of 600	4916	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	83
PID 4916 wrote to memory of 600	4916	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	83
PID 4916 wrote to memory of 600	4916	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	83
PID 4916 wrote to memory of 600	4916	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	83
PID 4916 wrote to memory of 600	4916	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	83
PID 4916 wrote to memory of 600	4916	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	83
PID 4916 wrote to memory of 600	4916	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	83
PID 4916 wrote to memory of 600	4916	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	83
PID 600 wrote to memory of 4588	600	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	84
PID 600 wrote to memory of 4588	600	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	84
PID 600 wrote to memory of 4588	600	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	84
PID 600 wrote to memory of 3160	600	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	85
PID 600 wrote to memory of 3160	600	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	85
PID 600 wrote to memory of 3160	600	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	85
PID 3160 wrote to memory of 1704	3160	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	87
PID 3160 wrote to memory of 1704	3160	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	87
PID 3160 wrote to memory of 1704	3160	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	87
PID 3160 wrote to memory of 1704	3160	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	87
PID 3160 wrote to memory of 1704	3160	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	87
PID 3160 wrote to memory of 1704	3160	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	87
PID 3160 wrote to memory of 1704	3160	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	87
PID 3160 wrote to memory of 1704	3160	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	87
PID 3160 wrote to memory of 1704	3160	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	87
PID 3160 wrote to memory of 1704	3160	JaffaCakes118_9908264520394db485644af56f60bc8d.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4916
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.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:600
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\df1e6690-dc04-4aed-84eb-27dd4ac92fa0" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:4588
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3160
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9908264520394db485644af56f60bc8d.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1704

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
c9be626e9715952e9b70f92f912b9787

SHA1
aa2e946d9ad9027172d0d321917942b7562d6abe

SHA256
c13e8d22800c200915f87f71c31185053e4e60ca25de2e41e160e09cd2d815d4

SHA512
7581b7c593785380e9db3ae760af85c1a889f607a3cd2aa5a2695a0e5a0fe8ee751578e88f7d8c997faeda804e2fc2655d859bee2832eace526ed4379edaa3f5

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
f8e3a469dce5def994f14d18e6231603

SHA1
3c652099bd0ea9817bfa5ec19193e76a7ed7b1c0

SHA256
abacc782b484b93eb48cfbef191fbbb2c66cb70975131a223573d039ccd5f90b

SHA512
6187305f1545bcaf46939941542d8a0e37640d4f8568bf7d9d5def8d734e77c6ce29cb9b37c1eb4ca1fb5ceb3512aa3a7f1ea7aef8b39836017ccb96cdfd1ded

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

Filesize
170B

MD5
a8d201308fb8eefbd4660568bd661409

SHA1
49a5584812334c452528368d0224bfc4989070d8

SHA256
61536ff8bb05768ffaaee8bda243f8f145865f7d74aca6330014e25b050359f4

SHA512
67881a166a3e107f806644b193b0469a86e33b277d5ac8da775ed28affd0310702c584f1dff126bacee397ca2384ddc7c629ad142ec7b519c0c8c84483870685

Download Submit
C:\Users\Admin\AppData\Local\df1e6690-dc04-4aed-84eb-27dd4ac92fa0\JaffaCakes118_9908264520394db485644af56f60bc8d.exe

Filesize
864KB

MD5
9908264520394db485644af56f60bc8d

SHA1
682c67c0e88460118f35d4d27b93d5d55b3786bf

SHA256
9100041c5b0a01803345cb6cfe42d429baeb3913e6cad602c7f0e32aa802b9b7

SHA512
337bf236cc4c90df6063cff302ad63ca5e9e6c037395d8d6e8cc0e1c7d31729fb8b90bbb03eaf6bda4dd929f04ff5f191d9026496d288c3247fc30c2cff0eac9

Download Submit
memory/600-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/600-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/600-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/600-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/600-19-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1704-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1704-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1704-43-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1704-26-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1704-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1704-41-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1704-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1704-40-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1704-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1704-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1704-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3160-25-0x0000000000400000-0x0000000000907000-memory.dmp

Filesize
5.0MB

Download
memory/3160-22-0x0000000000400000-0x0000000000907000-memory.dmp

Filesize
5.0MB

Download
memory/4916-2-0x0000000000E80000-0x0000000000F9B000-memory.dmp

Filesize
1.1MB

Download
memory/4916-1-0x0000000000DD0000-0x0000000000E67000-memory.dmp

Filesize
604KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads