djvu | 9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7

General

Target

JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe
Size

761KB
MD5

b38e292459938c29c4aa68e5bcb894d3
SHA1

abcdd9e2cc181d22695b0657d8d15a1ad3475af9
SHA256

9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7
SHA512

a62ebeaaebfcf9168b282405bc6949f9255d3a1a11d15756060b34f2c882a8e245a947f73d9bc2a844ff47b37ec9d321bb734654d1ff572a6d9abbf3fc17e3e4
SSDEEP

12288:NUp716xoCOQ7cgGkSQakywRZybKB9rNtoCiYanX+64tG5ONW2flT+:656xoCD7c11QFRpXrwv3nXceONlT+

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/4448-2-0x0000000002290000-0x00000000023AB000-memory.dmp	family_djvu
behavioral2/memory/4552-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4552-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4552-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4552-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4552-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-42-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-45-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-44-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-46-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4320-47-0x0000000000400000-0x0000000000537000-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
888	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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\3f55604f-e073-4f98-998b-2fe58385bbfc\\JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe\" --AutoStart"	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.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
8	api.2ip.ua
9	api.2ip.ua
15	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4448 set thread context of 4552	4448	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	84
PID 1500 set thread context of 4320	1500	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	89

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_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4552	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe
4552	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe
4320	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe
4320	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 4552	4448	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	84
PID 4448 wrote to memory of 4552	4448	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	84
PID 4448 wrote to memory of 4552	4448	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	84
PID 4448 wrote to memory of 4552	4448	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	84
PID 4448 wrote to memory of 4552	4448	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	84
PID 4448 wrote to memory of 4552	4448	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	84
PID 4448 wrote to memory of 4552	4448	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	84
PID 4448 wrote to memory of 4552	4448	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	84
PID 4448 wrote to memory of 4552	4448	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	84
PID 4448 wrote to memory of 4552	4448	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	84
PID 4552 wrote to memory of 888	4552	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	85
PID 4552 wrote to memory of 888	4552	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	85
PID 4552 wrote to memory of 888	4552	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	85
PID 4552 wrote to memory of 1500	4552	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	86
PID 4552 wrote to memory of 1500	4552	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	86
PID 4552 wrote to memory of 1500	4552	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	86
PID 1500 wrote to memory of 4320	1500	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	89
PID 1500 wrote to memory of 4320	1500	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	89
PID 1500 wrote to memory of 4320	1500	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	89
PID 1500 wrote to memory of 4320	1500	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	89
PID 1500 wrote to memory of 4320	1500	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	89
PID 1500 wrote to memory of 4320	1500	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	89
PID 1500 wrote to memory of 4320	1500	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	89
PID 1500 wrote to memory of 4320	1500	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	89
PID 1500 wrote to memory of 4320	1500	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	89
PID 1500 wrote to memory of 4320	1500	JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4448
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.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:4552
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\3f55604f-e073-4f98-998b-2fe58385bbfc" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:888
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1500
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:4320

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
83e48085a11e60f2a3203a1099f44aa2

SHA1
ad7bfe1a1519082c369d7dd725850317bd1241df

SHA256
be037a422d9d420f6df02457b7fe6e5d5e8cf866288a28b3491d7ccf22e789cf

SHA512
2a65b98fe1a6ea026643c8f704651d242ef299df46a73bcf71908007d46275632b88ec5d77af135b69427dd5c1fce83ef2d4b1dbfa39e905e7704cec2ff9e34f

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

Filesize
170B

MD5
6809956edcaf53f52d2b4737f89fb6c5

SHA1
f3f1dd5bc31d5ef0d579fb125999786fb432fbee

SHA256
f1e4a002f5c79cd0059ce5d973cb8332414a3f3f13eb88920ee7f60eaed100c4

SHA512
72a1b8a8d98a7ba93039c59a9c98b8d8bf7c489020d96e5a22a308ce087c960e5100df331c816f96ea0d93fb9fb6932bdbd5ac52380983fb0a94c87012070c2a

Download Submit
C:\Users\Admin\AppData\Local\3f55604f-e073-4f98-998b-2fe58385bbfc\JaffaCakes118_9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7.exe

Filesize
761KB

MD5
b38e292459938c29c4aa68e5bcb894d3

SHA1
abcdd9e2cc181d22695b0657d8d15a1ad3475af9

SHA256
9c7526ada8a7c7f19752eb06b99d096354494c7151df41d648f2a0e63b9ae5b7

SHA512
a62ebeaaebfcf9168b282405bc6949f9255d3a1a11d15756060b34f2c882a8e245a947f73d9bc2a844ff47b37ec9d321bb734654d1ff572a6d9abbf3fc17e3e4

Download Submit
memory/1500-23-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/1500-19-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/4320-42-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4320-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4320-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4320-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4320-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4320-44-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4320-45-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4320-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4320-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4320-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4320-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4320-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4448-1-0x0000000000970000-0x0000000000A0F000-memory.dmp

Filesize
636KB

Download
memory/4448-2-0x0000000002290000-0x00000000023AB000-memory.dmp

Filesize
1.1MB

Download
memory/4552-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4552-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4552-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4552-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4552-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads