djvu | 6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62

General

Target

JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
Size

796KB
MD5

5c012a04011979931c493a83cddd79a7
SHA1

b4a1c8004b82ed78f39b53f4730a6df0270cb66a
SHA256

6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62
SHA512

b06673f8bd85acc8219cb2a21017dd8942c17395f45568478440e30a2608fa0d674e53a05fe17c36d2407024f259af715896cce892280e179ff66516fc2e563b
SSDEEP

12288:A/qN1D415uvnCgBr65HwvbfhYuRAPIMj67fMJS5/0spyEtFbysWlw:ZzwcCgh6mY6/JUJyttFmsWlw

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.bbnm
offline_id
QcVY9rkapJoL3nQkZAsvfTFVYLmscrM1v1QxGWt1
payload_url
http://zerit.top/dl/build2.exe

http://ugll.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-6Ti2DxXR3I 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: 0473JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 17 IoCs

resource	yara_rule
behavioral2/memory/2972-2-0x00000000022D0000-0x00000000023EB000-memory.dmp	family_djvu
behavioral2/memory/1688-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1688-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1688-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1688-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1688-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1096-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1096-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1096-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1096-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1096-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1096-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1096-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1096-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1096-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1096-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1096-39-0x0000000000400000-0x0000000000537000-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2432	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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\19abbf07-99ff-42ba-b7d5-836173bf91f7\\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe\" --AutoStart"	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.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
8	api.2ip.ua
9	api.2ip.ua
21	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 1688	2972	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	83
PID 1248 set thread context of 1096	1248	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.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	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1688	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
1688	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
1096	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
1096	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 1688	2972	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	83
PID 2972 wrote to memory of 1688	2972	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	83
PID 2972 wrote to memory of 1688	2972	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	83
PID 2972 wrote to memory of 1688	2972	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	83
PID 2972 wrote to memory of 1688	2972	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	83
PID 2972 wrote to memory of 1688	2972	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	83
PID 2972 wrote to memory of 1688	2972	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	83
PID 2972 wrote to memory of 1688	2972	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	83
PID 2972 wrote to memory of 1688	2972	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	83
PID 2972 wrote to memory of 1688	2972	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	83
PID 1688 wrote to memory of 2432	1688	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	84
PID 1688 wrote to memory of 2432	1688	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	84
PID 1688 wrote to memory of 2432	1688	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	84
PID 1688 wrote to memory of 1248	1688	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	85
PID 1688 wrote to memory of 1248	1688	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	85
PID 1688 wrote to memory of 1248	1688	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	85
PID 1248 wrote to memory of 1096	1248	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	87
PID 1248 wrote to memory of 1096	1248	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	87
PID 1248 wrote to memory of 1096	1248	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	87
PID 1248 wrote to memory of 1096	1248	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	87
PID 1248 wrote to memory of 1096	1248	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	87
PID 1248 wrote to memory of 1096	1248	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	87
PID 1248 wrote to memory of 1096	1248	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	87
PID 1248 wrote to memory of 1096	1248	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	87
PID 1248 wrote to memory of 1096	1248	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	87
PID 1248 wrote to memory of 1096	1248	JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.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:1688
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\19abbf07-99ff-42ba-b7d5-836173bf91f7" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2432
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1248
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1096

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
364565069de448678beed77b73ca7465

SHA1
b5e509fc7752376b2ed9cfe0b122fca2a06881f6

SHA256
421195a7c926f4d2450148d79e0f562f1ad9bb3ebb27eb9fc760833d3c76e204

SHA512
9f0fde2f98aa9cf8d0aafe935695d7cb23a9389f5f581d871a685e488a51f5a40c615d3e0f9d11a5938ff2a64fa28c84cd01fdcf0ecf6150c658fc452ef5ce47

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

Filesize
170B

MD5
65e00b9bf26b75a8ef52a33226c9bfbf

SHA1
d9912e5969e193712d6fea3485e4b968eaa95a77

SHA256
ccbb5ee89d6584a207521fae56d54de33462517f4e04c4be10cc756c9712dc24

SHA512
9f9304b21781951ee0755f1b369de8f8060b6ea0d34d1747fa72e0fe4e21f6d21073b9e167d7bde19e77d84f7f8ddd19e52a89a6e3f8a1eab1fc0dda88ef1b84

Download Submit
C:\Users\Admin\AppData\Local\19abbf07-99ff-42ba-b7d5-836173bf91f7\JaffaCakes118_6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62.exe

Filesize
796KB

MD5
5c012a04011979931c493a83cddd79a7

SHA1
b4a1c8004b82ed78f39b53f4730a6df0270cb66a

SHA256
6410516374510abd1fc9d51d7eb89a1dfa9380780021c29a77e14b14d2a07a62

SHA512
b06673f8bd85acc8219cb2a21017dd8942c17395f45568478440e30a2608fa0d674e53a05fe17c36d2407024f259af715896cce892280e179ff66516fc2e563b

Download Submit
memory/1096-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1096-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1096-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1096-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1096-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1096-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1096-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1096-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1096-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1096-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1096-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1248-23-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/1248-19-0x0000000000400000-0x0000000000508000-memory.dmp

Filesize
1.0MB

Download
memory/1688-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1688-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1688-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1688-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1688-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2972-2-0x00000000022D0000-0x00000000023EB000-memory.dmp

Filesize
1.1MB

Download
memory/2972-1-0x00000000009F0000-0x0000000000A87000-memory.dmp

Filesize
604KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads