djvu | e1b4d08ecd1ea054c62630c9bb9b289afbc6d29306a145ba571efe921c24cb8b

General

Target

e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
Size

760KB
MD5

e5140e4645a51e56a877d65054c3315c
SHA1

e0d69b2d8307a323a0971a3d91ab3bd47f394de9
SHA256

e1b4d08ecd1ea054c62630c9bb9b289afbc6d29306a145ba571efe921c24cb8b
SHA512

6a0b3da836373abd4d01f5b83ce6b92f178ac366ce07b11ab2a060f06c74436190caf5e616f919f0c25c234772ba37e862226758940c27906273ae4daf331b79
SSDEEP

12288:W3lIze2M5rGFJdE0WGPtMKWkslXVoOpyXluNsPjRvWcfET9y3h9ZOy:W6MfW6XVoOpyXluNK/ET9y3fQ

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.rigd
offline_id
gigF2ELYocnMQz77LhEpSoXvtYp2junk9HZFtJt1
payload_url
http://znpst.top/dl/build2.exe

http://securebiz.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-2zbBkO06mv 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: 0335gSd743d

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 17 IoCs

resource	yara_rule
behavioral2/memory/4856-2-0x0000000000FC0000-0x00000000010DB000-memory.dmp	family_djvu
behavioral2/memory/3508-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3508-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3508-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3508-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3508-19-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5052-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5052-26-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5052-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5052-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5052-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5052-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5052-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5052-40-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5052-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5052-41-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/5052-43-0x0000000000400000-0x0000000000537000-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	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3888	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\\aab5c769-895c-446f-ba4e-33dead90181e\\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe\" --AutoStart"	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.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
20	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4856 set thread context of 3508	4856	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	85
PID 1092 set thread context of 5052	1092	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.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	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3508	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
3508	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
5052	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
5052	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 3508	4856	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	85
PID 4856 wrote to memory of 3508	4856	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	85
PID 4856 wrote to memory of 3508	4856	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	85
PID 4856 wrote to memory of 3508	4856	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	85
PID 4856 wrote to memory of 3508	4856	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	85
PID 4856 wrote to memory of 3508	4856	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	85
PID 4856 wrote to memory of 3508	4856	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	85
PID 4856 wrote to memory of 3508	4856	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	85
PID 4856 wrote to memory of 3508	4856	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	85
PID 4856 wrote to memory of 3508	4856	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	85
PID 3508 wrote to memory of 3888	3508	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	86
PID 3508 wrote to memory of 3888	3508	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	86
PID 3508 wrote to memory of 3888	3508	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	86
PID 3508 wrote to memory of 1092	3508	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	87
PID 3508 wrote to memory of 1092	3508	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	87
PID 3508 wrote to memory of 1092	3508	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	87
PID 1092 wrote to memory of 5052	1092	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	90
PID 1092 wrote to memory of 5052	1092	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	90
PID 1092 wrote to memory of 5052	1092	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	90
PID 1092 wrote to memory of 5052	1092	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	90
PID 1092 wrote to memory of 5052	1092	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	90
PID 1092 wrote to memory of 5052	1092	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	90
PID 1092 wrote to memory of 5052	1092	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	90
PID 1092 wrote to memory of 5052	1092	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	90
PID 1092 wrote to memory of 5052	1092	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	90
PID 1092 wrote to memory of 5052	1092	e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.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:3508
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\aab5c769-895c-446f-ba4e-33dead90181e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:3888
- - C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1092
  - - C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:5052

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
e5c5a28eb4b6ee230f70f386a054f80a

SHA1
792f0b959fa8c4b7b22c35a8a34af9c00c981aaf

SHA256
68987d7d909c52994a20afb15ca7f5b496e5c36fb33f08ab7c0c4c321fa36003

SHA512
41ff9817e633f198611f9bff1abdfe9e93c075de45ad1d529da65f69c64afdb43b8c4ee272245010be48c2821ef4527c01ee8552485b309958b4768d0f4d80a1

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

Filesize
170B

MD5
fd2df56bfeed35353f455ac7ee7bc9f1

SHA1
e925a54a862dbb5b9adf1fb01159130218a24bf8

SHA256
58504933d9fb5a49da2bf98f30166a64e336462cd9840f6a0b1192a440ee1c1b

SHA512
7df4bc1ad3bb9d0e90fc7cbd9857cf3bed634769a672147d94fa2e83bcfcdf2245950337848b94809574b604036a6e1a62549d0a0c906ed69bc9bb6f4e775829

Download Submit
C:\Users\Admin\AppData\Local\aab5c769-895c-446f-ba4e-33dead90181e\e5140e4645a51e56a877d65054c3315c_JaffaCakes118.exe

Filesize
760KB

MD5
e5140e4645a51e56a877d65054c3315c

SHA1
e0d69b2d8307a323a0971a3d91ab3bd47f394de9

SHA256
e1b4d08ecd1ea054c62630c9bb9b289afbc6d29306a145ba571efe921c24cb8b

SHA512
6a0b3da836373abd4d01f5b83ce6b92f178ac366ce07b11ab2a060f06c74436190caf5e616f919f0c25c234772ba37e862226758940c27906273ae4daf331b79

Download Submit
memory/1092-22-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/1092-25-0x0000000000400000-0x00000000008EE000-memory.dmp

Filesize
4.9MB

Download
memory/3508-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3508-19-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3508-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3508-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3508-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4856-1-0x0000000000F10000-0x0000000000FB2000-memory.dmp

Filesize
648KB

Download
memory/4856-2-0x0000000000FC0000-0x00000000010DB000-memory.dmp

Filesize
1.1MB

Download
memory/5052-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5052-26-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5052-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5052-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5052-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5052-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5052-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5052-40-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5052-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5052-41-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/5052-43-0x0000000000400000-0x0000000000537000-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