djvu | 60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d

General

Target

JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
Size

784KB
MD5

3f02939a8448241db5113e1020b77aea
SHA1

eb12bd96505025a090ded5ce4ddd86e499768c9c
SHA256

60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d
SHA512

0a13e335fea408e10070f4965b85d8f382fc292a373ec0f05a6373d06b147f77af7894556a540f2096ac35d58afa0204d01f8bc0ac2b13b33f0567f322a15d46
SSDEEP

12288:aVuTlGnCjjSVXscHU/J6+0DDKUp4bH4maov/hMn5sRV/be3euEe1VgSHUz:CgUnbV8y3HebHnaov/hqsHzedVxs

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.ghas
offline_id
miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1
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-0SLhZxAjRX 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: 0445JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 9 IoCs

resource	yara_rule
behavioral2/memory/2304-2-0x0000000002200000-0x000000000231B000-memory.dmp	family_djvu
behavioral2/memory/4164-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4164-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4164-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4164-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4164-20-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2608-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2608-28-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2608-25-0x0000000000400000-0x0000000000537000-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_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4152	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\\cb95e934-c563-4f3b-92d8-c7cce57fb2aa\\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe\" --AutoStart"	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.2ip.ua
4	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2304 set thread context of 4164	2304	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	84
PID 2368 set thread context of 2608	2368	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	90

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5060	2608	WerFault.exe	90

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_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4164	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
4164	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 4164	2304	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	84
PID 2304 wrote to memory of 4164	2304	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	84
PID 2304 wrote to memory of 4164	2304	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	84
PID 2304 wrote to memory of 4164	2304	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	84
PID 2304 wrote to memory of 4164	2304	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	84
PID 2304 wrote to memory of 4164	2304	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	84
PID 2304 wrote to memory of 4164	2304	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	84
PID 2304 wrote to memory of 4164	2304	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	84
PID 2304 wrote to memory of 4164	2304	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	84
PID 2304 wrote to memory of 4164	2304	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	84
PID 4164 wrote to memory of 4152	4164	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	86
PID 4164 wrote to memory of 4152	4164	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	86
PID 4164 wrote to memory of 4152	4164	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	86
PID 4164 wrote to memory of 2368	4164	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	87
PID 4164 wrote to memory of 2368	4164	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	87
PID 4164 wrote to memory of 2368	4164	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	87
PID 2368 wrote to memory of 2608	2368	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	90
PID 2368 wrote to memory of 2608	2368	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	90
PID 2368 wrote to memory of 2608	2368	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	90
PID 2368 wrote to memory of 2608	2368	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	90
PID 2368 wrote to memory of 2608	2368	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	90
PID 2368 wrote to memory of 2608	2368	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	90
PID 2368 wrote to memory of 2608	2368	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	90
PID 2368 wrote to memory of 2608	2368	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	90
PID 2368 wrote to memory of 2608	2368	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	90
PID 2368 wrote to memory of 2608	2368	JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.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:4164
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\cb95e934-c563-4f3b-92d8-c7cce57fb2aa" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:4152
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2368
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      PID:2608
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 568
        5⤵
        Program crash
        
        PID:5060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2608 -ip 2608
1⤵
PID:3328

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\Local\cb95e934-c563-4f3b-92d8-c7cce57fb2aa\JaffaCakes118_60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d.exe

Filesize
784KB

MD5
3f02939a8448241db5113e1020b77aea

SHA1
eb12bd96505025a090ded5ce4ddd86e499768c9c

SHA256
60af33664ea0c141c7973feee8d9fb00731f5eff9123020ea9bcb525a5e5dd2d

SHA512
0a13e335fea408e10070f4965b85d8f382fc292a373ec0f05a6373d06b147f77af7894556a540f2096ac35d58afa0204d01f8bc0ac2b13b33f0567f322a15d46

Download Submit
memory/2304-2-0x0000000002200000-0x000000000231B000-memory.dmp

Filesize
1.1MB

Download
memory/2304-1-0x0000000000970000-0x0000000000A0C000-memory.dmp

Filesize
624KB

Download
memory/2368-26-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2368-22-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/2608-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-28-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2608-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4164-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4164-20-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4164-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4164-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4164-4-0x0000000000400000-0x0000000000537000-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