djvu | dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698

General

Target

JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe
Size

727KB
MD5

066ad2d57886e7b26986539ae16ddc89
SHA1

0555f68a0c96a2f8f2dd7447fad0641e4b122c06
SHA256

dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698
SHA512

5b05a12fe8f9351d838b2735c50e6ff082897129ff8ea89a50f836e6f42b4507babfb84a434fbad851e4fe9b720f714ead8c51463e19eb9af29323a863d8c23b
SSDEEP

12288:Wb7/78mo1AzTv1Xcv+WjVxVcdP/tBB9o2DR9oxmpEGwbX:WbftM2WZLcdPHoYR9zEG8X

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/1876-2-0x00000000021C0000-0x00000000022DB000-memory.dmp	family_djvu
behavioral2/memory/1588-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1588-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1588-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1588-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1588-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-44-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-46-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1520-49-0x0000000000400000-0x0000000000537000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3436	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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\5910b89b-c0ff-4076-94b4-01438919fc17\\JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe\" --AutoStart"	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.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
13	api.2ip.ua
14	api.2ip.ua
22	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1876 set thread context of 1588	1876	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	82
PID 1116 set thread context of 1520	1116	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.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_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1588	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe
1588	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe
1520	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe
1520	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 1588	1876	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	82
PID 1876 wrote to memory of 1588	1876	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	82
PID 1876 wrote to memory of 1588	1876	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	82
PID 1876 wrote to memory of 1588	1876	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	82
PID 1876 wrote to memory of 1588	1876	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	82
PID 1876 wrote to memory of 1588	1876	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	82
PID 1876 wrote to memory of 1588	1876	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	82
PID 1876 wrote to memory of 1588	1876	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	82
PID 1876 wrote to memory of 1588	1876	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	82
PID 1876 wrote to memory of 1588	1876	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	82
PID 1588 wrote to memory of 3436	1588	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	83
PID 1588 wrote to memory of 3436	1588	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	83
PID 1588 wrote to memory of 3436	1588	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	83
PID 1588 wrote to memory of 1116	1588	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	84
PID 1588 wrote to memory of 1116	1588	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	84
PID 1588 wrote to memory of 1116	1588	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	84
PID 1116 wrote to memory of 1520	1116	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	86
PID 1116 wrote to memory of 1520	1116	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	86
PID 1116 wrote to memory of 1520	1116	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	86
PID 1116 wrote to memory of 1520	1116	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	86
PID 1116 wrote to memory of 1520	1116	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	86
PID 1116 wrote to memory of 1520	1116	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	86
PID 1116 wrote to memory of 1520	1116	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	86
PID 1116 wrote to memory of 1520	1116	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	86
PID 1116 wrote to memory of 1520	1116	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	86
PID 1116 wrote to memory of 1520	1116	JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1876
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.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:1588
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\5910b89b-c0ff-4076-94b4-01438919fc17" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:3436
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1116
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1520

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
9fd5544049da4080b97b75f5538655db

SHA1
4890db9f726fbfa84c0826a09dd78bdde2057466

SHA256
5510b852e9d83e50dc617d88fd00c84e2716676f1b3441d9ced7b4e5406ba0e6

SHA512
4ffc53d2d7d3c7292611cfc3593c958bdeae927294bd885cd69f535137887b425efbc83e0706380d8bab90ab14908b34f9c8226a052600651c60fc6df5309a55

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

Filesize
170B

MD5
9c0587a1b605319fd94b891b2878f36b

SHA1
d31a48012c39b6f8d245efca4a5f40c2c9a001df

SHA256
4132e5a5cb1bad7bda6567aa87e8de96d6d6d1e2181dc4dd9c2087542489e335

SHA512
42d73b7f0fd9d333d54eee33b191b015a5e0a0285ef7926f7f0d116493db455ff334e53f470b03d0ff0cd50d9bb7e2551c89fc02c9e1b1604a39497e308312b8

Download Submit
C:\Users\Admin\AppData\Local\5910b89b-c0ff-4076-94b4-01438919fc17\JaffaCakes118_dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698.exe

Filesize
727KB

MD5
066ad2d57886e7b26986539ae16ddc89

SHA1
0555f68a0c96a2f8f2dd7447fad0641e4b122c06

SHA256
dde18ec405c73a1507db4dd61a6d6be19b1cdf497b2a37abdc476335a29b7698

SHA512
5b05a12fe8f9351d838b2735c50e6ff082897129ff8ea89a50f836e6f42b4507babfb84a434fbad851e4fe9b720f714ead8c51463e19eb9af29323a863d8c23b

Download Submit
memory/1116-19-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1116-23-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1520-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1520-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1520-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1520-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1520-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1520-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1520-44-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1520-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1520-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1520-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1520-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1520-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1588-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1588-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1588-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1588-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1588-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1876-1-0x0000000000830000-0x00000000008C7000-memory.dmp

Filesize
604KB

Download
memory/1876-2-0x00000000021C0000-0x00000000022DB000-memory.dmp

Filesize
1.1MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads