djvu | 392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29

General

Target

JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
Size

794KB
MD5

004c25b803ca4778d78a42880cb3946a
SHA1

1c9fe4ee956952b508faf794526ebf553af4da2f
SHA256

392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29
SHA512

bcde735381b8b8b97cdeb463151d5d4a440dbe0d248001b9f9d577a24f57aadb2170aef93464d47ad8ac30778d7ae81192599314f47ab38a0bb223d29f150e2b
SSDEEP

12288:rC5/849S8RhH2irOK23GQxq0FI3NNi3RD7k5HEtPkfjxxwCGX0VzVNVoBCG8VsnG:6z9SHmkqUI9Y3Zk5sPkfTwLXiUClVR

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://ugll.org/test1/get.php

Attributes

extension
.nnuz
offline_id
vBBkNb2o254Xzi3oCcyyfpBNyU9yOZKLh1HH5Mt1
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-wYSZeUnrpa 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: 0485JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 17 IoCs

resource	yara_rule
behavioral2/memory/876-2-0x00000000021F0000-0x000000000230B000-memory.dmp	family_djvu
behavioral2/memory/1320-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1320-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1320-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1320-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1320-19-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/32-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/32-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/32-26-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/32-32-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/32-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/32-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/32-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/32-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/32-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/32-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/32-41-0x0000000000400000-0x0000000000537000-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3256	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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\3680d7ae-070d-40df-aa36-1e4e7a63e5b0\\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe\" --AutoStart"	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.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
4	api.2ip.ua
21	api.2ip.ua
3	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 876 set thread context of 1320	876	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	83
PID 2388 set thread context of 32	2388	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.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_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1320	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
1320	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
32	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
32	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 1320	876	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	83
PID 876 wrote to memory of 1320	876	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	83
PID 876 wrote to memory of 1320	876	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	83
PID 876 wrote to memory of 1320	876	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	83
PID 876 wrote to memory of 1320	876	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	83
PID 876 wrote to memory of 1320	876	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	83
PID 876 wrote to memory of 1320	876	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	83
PID 876 wrote to memory of 1320	876	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	83
PID 876 wrote to memory of 1320	876	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	83
PID 876 wrote to memory of 1320	876	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	83
PID 1320 wrote to memory of 3256	1320	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	84
PID 1320 wrote to memory of 3256	1320	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	84
PID 1320 wrote to memory of 3256	1320	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	84
PID 1320 wrote to memory of 2388	1320	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	85
PID 1320 wrote to memory of 2388	1320	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	85
PID 1320 wrote to memory of 2388	1320	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	85
PID 2388 wrote to memory of 32	2388	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	87
PID 2388 wrote to memory of 32	2388	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	87
PID 2388 wrote to memory of 32	2388	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	87
PID 2388 wrote to memory of 32	2388	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	87
PID 2388 wrote to memory of 32	2388	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	87
PID 2388 wrote to memory of 32	2388	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	87
PID 2388 wrote to memory of 32	2388	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	87
PID 2388 wrote to memory of 32	2388	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	87
PID 2388 wrote to memory of 32	2388	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	87
PID 2388 wrote to memory of 32	2388	JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:876
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.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:1320
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\3680d7ae-070d-40df-aa36-1e4e7a63e5b0" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:3256
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2388
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:32

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
4ca2ee8c90605ffb67094102c653287b

SHA1
1b6a2433b83c8e034f7282571b48bf57af2ce654

SHA256
2a2aa6a50f996f981cba7dba6c572f8755bbf811ddc0c0c5186fbdf3d1f89c49

SHA512
b05962004cd427be6987c045435c6ffe08e3440a7eac228b7846e0debdce6340eaeb79915eba665a7a8dd9ac8e66e6a196fb08ae89caf2b2f45f053a899ce219

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

Filesize
170B

MD5
fb91640f0cac3c264dbbf304ac1212cf

SHA1
d03cc80da4767bff3d3a8c0877c34a28fa3babc7

SHA256
c0bb7b907b7d4b253d4fd9cd4c2c06c63fb8c435b64c9662ee24d8c14244ac22

SHA512
0ac4ef9d468e5f001855702d0371cadbd6c11b7c98240d57b70ddb3e0b8b66dcb4b1173cbc9e5af263d8cebd96599390c8938a4b860e2679f5a544c9022b791d

Download Submit
C:\Users\Admin\AppData\Local\3680d7ae-070d-40df-aa36-1e4e7a63e5b0\JaffaCakes118_392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29.exe

Filesize
794KB

MD5
004c25b803ca4778d78a42880cb3946a

SHA1
1c9fe4ee956952b508faf794526ebf553af4da2f

SHA256
392f7ce030ab889583e63eca5b2c6bcc9bb846b945f89876fdbc772f193e3a29

SHA512
bcde735381b8b8b97cdeb463151d5d4a440dbe0d248001b9f9d577a24f57aadb2170aef93464d47ad8ac30778d7ae81192599314f47ab38a0bb223d29f150e2b

Download Submit
memory/32-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/32-32-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/32-41-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/32-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/32-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/32-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/32-26-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/32-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/32-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/32-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/32-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/876-1-0x0000000000670000-0x000000000070D000-memory.dmp

Filesize
628KB

Download
memory/876-2-0x00000000021F0000-0x000000000230B000-memory.dmp

Filesize
1.1MB

Download
memory/1320-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1320-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1320-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1320-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1320-19-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2388-25-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download
memory/2388-21-0x0000000000400000-0x000000000050B000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads