djvu | aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c

General

Target

JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
Size

822KB
MD5

899259725d541b648d9d962a9c741b3c
SHA1

5ea7bac29672b112bd4eeab9c91069b1ab4c64a2
SHA256

aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c
SHA512

9ea696cbcc8d06f38d9d49fffb0b95474a5eb30cd114538ba79bcc202bf088b6ef932196383089fdb771cf4531ecc9db6d0e558ecc25dde8b6eb306f533a5669
SSDEEP

12288:puQc7Et72MsEoSGohDur6aR5PYot+Xu2ZrDMAsYuiECqXsH2FbOgEI1vs9BQ+:dWS72G/xur6a7jAXuvANxqy2ROYeBT

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.fdcv
offline_id
eBNgvyGQV1Hmt9DBdxVRs8qPi1agsS7OaohPmit1
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-j3AdKrnQie 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: 0483JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 18 IoCs

resource	yara_rule
behavioral2/memory/3748-2-0x0000000002200000-0x000000000231B000-memory.dmp	family_djvu
behavioral2/memory/4620-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4620-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4620-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4620-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4620-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-23-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-34-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2988-39-0x0000000000400000-0x0000000000537000-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1172	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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\55d94e23-3ab1-4eb1-9f76-e6be91783ae8\\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe\" --AutoStart"	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.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
6	api.2ip.ua
7	api.2ip.ua
20	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3748 set thread context of 4620	3748	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	82
PID 2132 set thread context of 2988	2132	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	86

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_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4620	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
4620	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
2988	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
2988	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 4620	3748	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	82
PID 3748 wrote to memory of 4620	3748	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	82
PID 3748 wrote to memory of 4620	3748	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	82
PID 3748 wrote to memory of 4620	3748	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	82
PID 3748 wrote to memory of 4620	3748	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	82
PID 3748 wrote to memory of 4620	3748	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	82
PID 3748 wrote to memory of 4620	3748	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	82
PID 3748 wrote to memory of 4620	3748	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	82
PID 3748 wrote to memory of 4620	3748	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	82
PID 3748 wrote to memory of 4620	3748	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	82
PID 4620 wrote to memory of 1172	4620	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	83
PID 4620 wrote to memory of 1172	4620	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	83
PID 4620 wrote to memory of 1172	4620	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	83
PID 4620 wrote to memory of 2132	4620	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	84
PID 4620 wrote to memory of 2132	4620	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	84
PID 4620 wrote to memory of 2132	4620	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	84
PID 2132 wrote to memory of 2988	2132	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	86
PID 2132 wrote to memory of 2988	2132	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	86
PID 2132 wrote to memory of 2988	2132	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	86
PID 2132 wrote to memory of 2988	2132	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	86
PID 2132 wrote to memory of 2988	2132	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	86
PID 2132 wrote to memory of 2988	2132	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	86
PID 2132 wrote to memory of 2988	2132	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	86
PID 2132 wrote to memory of 2988	2132	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	86
PID 2132 wrote to memory of 2988	2132	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	86
PID 2132 wrote to memory of 2988	2132	JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3748
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.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:4620
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\55d94e23-3ab1-4eb1-9f76-e6be91783ae8" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:1172
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2132
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2988

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
ff1bf951cb0770ff1019b0cc02cfbddc

SHA1
af24f6f291258129f4f77844b191b98a412b9134

SHA256
8916c9944c41bf00e94be59ca5bcc91b33d58c186dd33d0ce2538981812c9322

SHA512
425a726b22902ad28d525184205e93f355297ce854a11596e8a645a3c552714fe8fb6bc93b06dea14d79a74955dd9d7d0ce5a4b3a583d3772606071ec608bf74

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

Filesize
170B

MD5
406b6191b9d40f8ccf84834522d1de3a

SHA1
cc8d686ead5373a2093cf04c6799b88d684248f5

SHA256
8bca969630b6450ed56b024cbf405bfc92065efd2d38affa37720630e8a38cb1

SHA512
05dc3f4f0762f4e8ee56e76ce15118cd6b84c5841a4abd04dd47cded9b0b11b97631ebc1d396d01964e16a30d50dd9d6ca957ecba96a4a8b114573b5ba8cee9e

Download Submit
C:\Users\Admin\AppData\Local\55d94e23-3ab1-4eb1-9f76-e6be91783ae8\JaffaCakes118_aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c.exe

Filesize
822KB

MD5
899259725d541b648d9d962a9c741b3c

SHA1
5ea7bac29672b112bd4eeab9c91069b1ab4c64a2

SHA256
aabcc050d1a56f35ef1c24278c336838ad37e78c7a16d8596f88576342130e2c

SHA512
9ea696cbcc8d06f38d9d49fffb0b95474a5eb30cd114538ba79bcc202bf088b6ef932196383089fdb771cf4531ecc9db6d0e558ecc25dde8b6eb306f533a5669

Download Submit
memory/2132-19-0x0000000000400000-0x000000000050F000-memory.dmp

Filesize
1.1MB

Download
memory/2132-21-0x0000000000400000-0x000000000050F000-memory.dmp

Filesize
1.1MB

Download
memory/2988-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2988-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2988-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2988-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2988-23-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2988-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2988-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2988-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2988-34-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2988-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2988-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2988-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3748-1-0x00000000007A0000-0x0000000000832000-memory.dmp

Filesize
584KB

Download
memory/3748-2-0x0000000002200000-0x000000000231B000-memory.dmp

Filesize
1.1MB

Download
memory/4620-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4620-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4620-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4620-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4620-6-0x0000000000400000-0x0000000000537000-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