djvu | 0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090

General

Target

JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
Size

726KB
MD5

e38d1addd662e41f144c741a67939dae
SHA1

e305c98c5651031d31a71b0c7b787235929acac1
SHA256

0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090
SHA512

2fcb3ce92945495f96a43a50ffd12fb5341a704c04df8b1d98ec051d94f79be21fa527fac26eaaa5514133c9ca0b5de2c4c125125c44d524f86de8a96ffb7cb4
SSDEEP

12288:q12jelgrKLxwzdU1IcREHl80MZ8g8+Hq4aujhn/WPnSYE4aO3xOh2WHgXp7B:q1keSWLCpU1IBC3xH/xN0nSYE4aSO

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/628-2-0x0000000002320000-0x000000000243B000-memory.dmp	family_djvu
behavioral2/memory/1168-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1168-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1168-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1168-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1168-19-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-26-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2560-53-0x0000000000400000-0x0000000000537000-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_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4576	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\\bbf5706b-efef-45a1-bb1d-df72e933c1f7\\JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe\" --AutoStart"	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.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
14	api.2ip.ua
19	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 1168	628	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	84
PID 400 set thread context of 2560	400	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	90

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_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1168	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
1168	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
2560	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
2560	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 1168	628	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	84
PID 628 wrote to memory of 1168	628	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	84
PID 628 wrote to memory of 1168	628	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	84
PID 628 wrote to memory of 1168	628	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	84
PID 628 wrote to memory of 1168	628	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	84
PID 628 wrote to memory of 1168	628	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	84
PID 628 wrote to memory of 1168	628	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	84
PID 628 wrote to memory of 1168	628	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	84
PID 628 wrote to memory of 1168	628	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	84
PID 628 wrote to memory of 1168	628	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	84
PID 1168 wrote to memory of 4576	1168	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	86
PID 1168 wrote to memory of 4576	1168	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	86
PID 1168 wrote to memory of 4576	1168	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	86
PID 1168 wrote to memory of 400	1168	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	87
PID 1168 wrote to memory of 400	1168	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	87
PID 1168 wrote to memory of 400	1168	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	87
PID 400 wrote to memory of 2560	400	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	90
PID 400 wrote to memory of 2560	400	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	90
PID 400 wrote to memory of 2560	400	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	90
PID 400 wrote to memory of 2560	400	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	90
PID 400 wrote to memory of 2560	400	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	90
PID 400 wrote to memory of 2560	400	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	90
PID 400 wrote to memory of 2560	400	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	90
PID 400 wrote to memory of 2560	400	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	90
PID 400 wrote to memory of 2560	400	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	90
PID 400 wrote to memory of 2560	400	JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:628
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.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:1168
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\bbf5706b-efef-45a1-bb1d-df72e933c1f7" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:4576
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:400
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2560

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
275b5efafc4fa6b490b3d7f93454994f

SHA1
cba8c3d9687c538a41f4d38d64c52aab66b075bf

SHA256
36e6c94ec48823d05adf486e7b8fc766abcf4361b1b39a82156d0b434088acf0

SHA512
9132dedc81f117652c55075653c1d3e49dac78e9b8e9f091bde314f76be43d764c04a3ce91107f386c476568c699c5b34faf7886c645020be3c1d638b6e79c21

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

Filesize
170B

MD5
424446e8d17bf6e4c1f0166b7d6684b7

SHA1
e8a9b894ba7edf18291faa035ba79680fdcc66f0

SHA256
25e29a5b047a09d200c20eb544f7d4c64dba36a48b70d10062d46b908c2e7f78

SHA512
904fa1d8e247ca296e80f04a269cea63b862cc57722ece8a23e59c90fa30fc457bcc76a7bd6e69664b652b677e7572dad96072d441e2142869d597aafeec975d

Download Submit
C:\Users\Admin\AppData\Local\bbf5706b-efef-45a1-bb1d-df72e933c1f7\JaffaCakes118_0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090.exe

Filesize
726KB

MD5
e38d1addd662e41f144c741a67939dae

SHA1
e305c98c5651031d31a71b0c7b787235929acac1

SHA256
0a2f4cc3922592b886e164a0a87b711a708d39d57ddb8283d99f1fa7467ef090

SHA512
2fcb3ce92945495f96a43a50ffd12fb5341a704c04df8b1d98ec051d94f79be21fa527fac26eaaa5514133c9ca0b5de2c4c125125c44d524f86de8a96ffb7cb4

Download Submit
memory/400-21-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/400-25-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/628-1-0x0000000000740000-0x00000000007DA000-memory.dmp

Filesize
616KB

Download
memory/628-2-0x0000000002320000-0x000000000243B000-memory.dmp

Filesize
1.1MB

Download
memory/1168-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1168-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1168-19-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1168-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1168-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-26-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2560-53-0x0000000000400000-0x0000000000537000-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