djvu | 7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22

General

Target

JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe
Size

726KB
MD5

cfae76c0b88ef47158f4a1b010d75097
SHA1

8f8eeb9e0b224aa7c64b3b9c8f88955184961f08
SHA256

7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22
SHA512

c10a61f6b4924dfec37d41fef1c5fe73cf7b8902bd77c22417f906a68566dbf292862a08636663e087e28e7af796719209b2f31bc089764992f1da9b0b27b5ff
SSDEEP

12288:JVLK9KOH/hCnAPOsKy+wIL98G+IDRLCBy2jxhHIfMFImVpKoe7HWgRH9y89h/er:JVeSZhy+5vzD8By2jJIm7iLhRH93q

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/772-2-0x0000000002200000-0x000000000231B000-memory.dmp	family_djvu
behavioral2/memory/2216-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2216-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2216-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2216-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2216-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-42-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-44-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-45-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-46-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1672-47-0x0000000000400000-0x0000000000537000-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3728	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\25cc4d6c-4cc1-4628-9e5f-0050690564f3\\JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe\" --AutoStart"	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.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
12	api.2ip.ua
13	api.2ip.ua
20	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 772 set thread context of 2216	772	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	82
PID 3560 set thread context of 1672	3560	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.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_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2216	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe
2216	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe
1672	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe
1672	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 2216	772	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	82
PID 772 wrote to memory of 2216	772	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	82
PID 772 wrote to memory of 2216	772	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	82
PID 772 wrote to memory of 2216	772	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	82
PID 772 wrote to memory of 2216	772	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	82
PID 772 wrote to memory of 2216	772	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	82
PID 772 wrote to memory of 2216	772	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	82
PID 772 wrote to memory of 2216	772	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	82
PID 772 wrote to memory of 2216	772	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	82
PID 772 wrote to memory of 2216	772	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	82
PID 2216 wrote to memory of 3728	2216	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	83
PID 2216 wrote to memory of 3728	2216	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	83
PID 2216 wrote to memory of 3728	2216	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	83
PID 2216 wrote to memory of 3560	2216	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	84
PID 2216 wrote to memory of 3560	2216	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	84
PID 2216 wrote to memory of 3560	2216	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	84
PID 3560 wrote to memory of 1672	3560	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	86
PID 3560 wrote to memory of 1672	3560	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	86
PID 3560 wrote to memory of 1672	3560	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	86
PID 3560 wrote to memory of 1672	3560	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	86
PID 3560 wrote to memory of 1672	3560	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	86
PID 3560 wrote to memory of 1672	3560	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	86
PID 3560 wrote to memory of 1672	3560	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	86
PID 3560 wrote to memory of 1672	3560	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	86
PID 3560 wrote to memory of 1672	3560	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	86
PID 3560 wrote to memory of 1672	3560	JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:772
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.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:2216
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\25cc4d6c-4cc1-4628-9e5f-0050690564f3" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:3728
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3560
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1672

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
4de6d2e9e746d6bfdd0872edf6c04bf8

SHA1
c458f2d9603ee3893d64d535eaba0ce95304fd44

SHA256
b49314c775059933fb43f6c3e6b922941d9701658388fd2230ad7e644bf2365b

SHA512
7674cc4894d9dfdca4f1e00d467951096ff8b90728a46eaf67952e3f51ba8bcd55820bc2ba56a8867d98aec9352d2292539a546abdf21c8274ddac6350865c88

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

Filesize
170B

MD5
bf9dd742baf95a74d782e7e896824b13

SHA1
c18ef1f8ad2a3c2660956dae2ad79a8aaba23947

SHA256
d9d73b26fb2454383849285cd28983afe1dfccb66d870ce04f346e73ec799e43

SHA512
d05958cbb1009e92c1e0cc051e43642f8d93ad4072d73ff21a99bb8a280f9c3b72c861c63b762891dc5bc2d0ad06f2f242c781425635563d279713712487a2c4

Download Submit
C:\Users\Admin\AppData\Local\25cc4d6c-4cc1-4628-9e5f-0050690564f3\JaffaCakes118_7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22.exe

Filesize
726KB

MD5
cfae76c0b88ef47158f4a1b010d75097

SHA1
8f8eeb9e0b224aa7c64b3b9c8f88955184961f08

SHA256
7080b221d41c869039699cdf1a607dfb1bc8fc619d547382463d6a02de2d3f22

SHA512
c10a61f6b4924dfec37d41fef1c5fe73cf7b8902bd77c22417f906a68566dbf292862a08636663e087e28e7af796719209b2f31bc089764992f1da9b0b27b5ff

Download Submit
memory/772-1-0x0000000002160000-0x00000000021FB000-memory.dmp

Filesize
620KB

Download
memory/772-2-0x0000000002200000-0x000000000231B000-memory.dmp

Filesize
1.1MB

Download
memory/1672-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1672-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1672-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1672-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1672-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1672-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1672-45-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1672-44-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1672-42-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1672-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1672-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1672-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2216-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2216-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2216-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2216-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2216-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3560-19-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/3560-23-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads