djvu | 02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96

General

Target

JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
Size

788KB
MD5

b0e043d94593b2459502751296aa7238
SHA1

85e49aef5a8db20c695f6b0751f8f5941e45516c
SHA256

02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96
SHA512

876859d3952bd62980196286859990d6fb2f4df6157d8e6331f1826b2bfe5112517b19df20b1e2b41295cea1ab93318815b7b9ee8e8ad2b97f2cb0b6abfecc33
SSDEEP

12288:c/x4fZLPczyPYqCeLwtvTq3hYre8BldAY1uhRF7rSrjjrWybwh:U6rczyPUeUct+8Y1abrSrjjrDwh

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nuhb
offline_id
PfLhykvDxmCghCq8peuxBtQ3c0QBuANi8WUkuet1
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-c565B1ILoZ 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: 0453Jbdio

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 18 IoCs

resource	yara_rule
behavioral2/memory/1532-2-0x0000000002200000-0x000000000231B000-memory.dmp	family_djvu
behavioral2/memory/3056-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3056-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3056-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3056-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3056-19-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-26-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-43-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-46-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-49-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4228-51-0x0000000000400000-0x0000000000537000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4556	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\e3130393-38e3-4df9-9f8f-7e3c84fb173f\\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe\" --AutoStart"	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.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
20	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1532 set thread context of 3056	1532	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	83
PID 3628 set thread context of 4228	3628	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	88

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_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3056	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
3056	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
4228	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
4228	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 3056	1532	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	83
PID 1532 wrote to memory of 3056	1532	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	83
PID 1532 wrote to memory of 3056	1532	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	83
PID 1532 wrote to memory of 3056	1532	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	83
PID 1532 wrote to memory of 3056	1532	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	83
PID 1532 wrote to memory of 3056	1532	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	83
PID 1532 wrote to memory of 3056	1532	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	83
PID 1532 wrote to memory of 3056	1532	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	83
PID 1532 wrote to memory of 3056	1532	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	83
PID 1532 wrote to memory of 3056	1532	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	83
PID 3056 wrote to memory of 4556	3056	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	84
PID 3056 wrote to memory of 4556	3056	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	84
PID 3056 wrote to memory of 4556	3056	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	84
PID 3056 wrote to memory of 3628	3056	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	85
PID 3056 wrote to memory of 3628	3056	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	85
PID 3056 wrote to memory of 3628	3056	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	85
PID 3628 wrote to memory of 4228	3628	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	88
PID 3628 wrote to memory of 4228	3628	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	88
PID 3628 wrote to memory of 4228	3628	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	88
PID 3628 wrote to memory of 4228	3628	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	88
PID 3628 wrote to memory of 4228	3628	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	88
PID 3628 wrote to memory of 4228	3628	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	88
PID 3628 wrote to memory of 4228	3628	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	88
PID 3628 wrote to memory of 4228	3628	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	88
PID 3628 wrote to memory of 4228	3628	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	88
PID 3628 wrote to memory of 4228	3628	JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.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:3056
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\e3130393-38e3-4df9-9f8f-7e3c84fb173f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:4556
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3628
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:4228

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
aa8dd13ba8a6eb51783c7bfe2879887a

SHA1
9589ef8395beb6517ea7413d84c0aff4aae6ad87

SHA256
8489e2bfa336022b5430ddb55605b7ebbf8ad21c8b52ec217355f92fe445101c

SHA512
47f41bf772eca3e6d3b5f89035aef2a507c3e08cd3ca9baba7195a3eded7490f47b681f659f04f1662d43518242baa5e0b3691f32e0a7f54703823f939494377

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

Filesize
170B

MD5
c1b0a5136e52a014cf28131927c11ec2

SHA1
cc8d2dcd13812dc414e4c007d87c5b419e566c06

SHA256
81abbe764d6a790a25844b311c8e91646cb0c264e132a80a7ca88f96918691d8

SHA512
54c02904b07419ccf1fc218980a8aba8ca526e23043bb82ce3e55daef9a48dce3bcf56f7c354680626f88740dd77ab3e60798c9f7f73a02343907c2b78267520

Download Submit
C:\Users\Admin\AppData\Local\e3130393-38e3-4df9-9f8f-7e3c84fb173f\JaffaCakes118_02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96.exe

Filesize
788KB

MD5
b0e043d94593b2459502751296aa7238

SHA1
85e49aef5a8db20c695f6b0751f8f5941e45516c

SHA256
02d48a33caf84c8efead9fe15de41fef6a6fe33003848901c895de39e2cf4c96

SHA512
876859d3952bd62980196286859990d6fb2f4df6157d8e6331f1826b2bfe5112517b19df20b1e2b41295cea1ab93318815b7b9ee8e8ad2b97f2cb0b6abfecc33

Download Submit
memory/1532-1-0x0000000002160000-0x00000000021FD000-memory.dmp

Filesize
628KB

Download
memory/1532-2-0x0000000002200000-0x000000000231B000-memory.dmp

Filesize
1.1MB

Download
memory/3056-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3056-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3056-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3056-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3056-19-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3628-25-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/3628-21-0x0000000000400000-0x00000000004CF000-memory.dmp

Filesize
828KB

Download
memory/4228-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4228-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4228-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4228-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4228-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4228-26-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4228-43-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4228-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4228-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4228-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4228-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4228-51-0x0000000000400000-0x0000000000537000-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