djvu | 22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499

General

Target

JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
Size

783KB
MD5

28d0c545643e56f3b3ba219e8f1e1785
SHA1

5496960579a5289fff5aec228a3d1a641395e74e
SHA256

22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499
SHA512

37e62162e1e79edaa677c43f8ad124049a646b1b048dcf9fcaf54ccb69f24372a7619be27746d33170dcf73a27247664d0e5f493b9584bbfd49a79818693c41d
SSDEEP

24576:MN23s8q6VJcTE1GbspcmEtVlg/iikq5/:Q6VuEqKcFtVmu2/

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://fuyt.org/fhsgtsspen6/get.php

Attributes

extension
.qpss
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: 0448JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 18 IoCs

resource	yara_rule
behavioral2/memory/3176-2-0x00000000022A0000-0x00000000023BB000-memory.dmp	family_djvu
behavioral2/memory/3556-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3556-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3556-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3556-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3556-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-44-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-46-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1632-49-0x0000000000400000-0x0000000000537000-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_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3300	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\\d23b9c58-90ba-4314-860f-eabe02f9dcd5\\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe\" --AutoStart"	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.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
5	api.2ip.ua
6	api.2ip.ua
20	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3176 set thread context of 3556	3176	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	83
PID 1680 set thread context of 1632	1680	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.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	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3556	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
3556	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
1632	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
1632	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 3556	3176	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	83
PID 3176 wrote to memory of 3556	3176	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	83
PID 3176 wrote to memory of 3556	3176	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	83
PID 3176 wrote to memory of 3556	3176	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	83
PID 3176 wrote to memory of 3556	3176	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	83
PID 3176 wrote to memory of 3556	3176	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	83
PID 3176 wrote to memory of 3556	3176	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	83
PID 3176 wrote to memory of 3556	3176	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	83
PID 3176 wrote to memory of 3556	3176	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	83
PID 3176 wrote to memory of 3556	3176	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	83
PID 3556 wrote to memory of 3300	3556	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	84
PID 3556 wrote to memory of 3300	3556	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	84
PID 3556 wrote to memory of 3300	3556	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	84
PID 3556 wrote to memory of 1680	3556	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	85
PID 3556 wrote to memory of 1680	3556	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	85
PID 3556 wrote to memory of 1680	3556	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	85
PID 1680 wrote to memory of 1632	1680	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	87
PID 1680 wrote to memory of 1632	1680	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	87
PID 1680 wrote to memory of 1632	1680	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	87
PID 1680 wrote to memory of 1632	1680	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	87
PID 1680 wrote to memory of 1632	1680	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	87
PID 1680 wrote to memory of 1632	1680	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	87
PID 1680 wrote to memory of 1632	1680	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	87
PID 1680 wrote to memory of 1632	1680	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	87
PID 1680 wrote to memory of 1632	1680	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	87
PID 1680 wrote to memory of 1632	1680	JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.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:3556
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\d23b9c58-90ba-4314-860f-eabe02f9dcd5" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:3300
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1680
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1632

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
a61f63e09cef600bf6c922fb88e8cce7

SHA1
a55afecc07ce5b8b48df345efedd8bcd7ec14b21

SHA256
80c3a34311ef9616693bfa785c1084c8e2c65c482d221eadd1b5bca540ed6170

SHA512
d49412aba25198a06adcb543130ddc8232ec7c6809b17cca125c93dcc8a988deb5a4033bfee15a072e88c321e4590745de7792b15184949b93286d9492e4f6d1

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

Filesize
170B

MD5
580a67bc7c569f98efa24880edd65fa4

SHA1
ad30abbeacea4804eb1ffd1a4e25c98003cee2e1

SHA256
a9af025cb9955c55a80409c014d6849e0bb6837fbf0e294ee3d9d81d3faf6c65

SHA512
3741da9fa682fb4f0f86e1bea781b0a2af0ff27b87bbba79aefd0a5af01af63b0123c225887a87002e428808952822088ad16ee7b1a9dd8acacbb59fa5285b3d

Download Submit
C:\Users\Admin\AppData\Local\d23b9c58-90ba-4314-860f-eabe02f9dcd5\JaffaCakes118_22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499.exe

Filesize
783KB

MD5
28d0c545643e56f3b3ba219e8f1e1785

SHA1
5496960579a5289fff5aec228a3d1a641395e74e

SHA256
22ef88d97554f34749921b8e4e01e81482e2f0c8c673ac796fcd62c8944b5499

SHA512
37e62162e1e79edaa677c43f8ad124049a646b1b048dcf9fcaf54ccb69f24372a7619be27746d33170dcf73a27247664d0e5f493b9584bbfd49a79818693c41d

Download Submit
memory/1632-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1632-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1632-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1632-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1632-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1632-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1632-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1632-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1632-44-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1632-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1632-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1632-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1680-23-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/1680-19-0x0000000000400000-0x00000000004EC000-memory.dmp

Filesize
944KB

Download
memory/3176-2-0x00000000022A0000-0x00000000023BB000-memory.dmp

Filesize
1.1MB

Download
memory/3176-1-0x0000000000650000-0x00000000006EF000-memory.dmp

Filesize
636KB

Download
memory/3556-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3556-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3556-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3556-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3556-17-0x0000000000400000-0x0000000000537000-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