djvu | 3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4

General

Target

JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
Size

799KB
MD5

54f29d2eae55171f2825afcd52d668cb
SHA1

72af362b1bb2dcdfa29aac1b1dc08e817fc04053
SHA256

3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4
SHA512

4a42b4963c287fb1cdf0cb268dff45cbf1a3f1c65f979ef0375719fab1bc0faccf35290a0ec5a56b038eff547c4ba72873acb5f8c3872dc793f0aa2f9086631c
SSDEEP

12288:gQh6PkdeNtuBUZbo1s2Eeom0DU6oDqSehEQQcg547Bl/SIWHkDuL4:HGMeNtuBgbomxmqcmy5FIGkDuL

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.nuhb
offline_id
PfLhykvDxmCghCq8peuxBtQ3c0QBuANi8WUkuet1
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-c565B1ILoZ 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: 0453Jbdio

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 18 IoCs

resource	yara_rule
behavioral2/memory/4164-2-0x0000000002340000-0x000000000245B000-memory.dmp	family_djvu
behavioral2/memory/1744-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1744-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1744-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1744-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1744-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-44-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-46-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1600-49-0x0000000000400000-0x0000000000537000-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2892	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\bf3af79c-6f8f-4bde-8f8b-1eb19889a4e0\\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe\" --AutoStart"	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.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
11	api.2ip.ua
19	api.2ip.ua
10	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4164 set thread context of 1744	4164	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	82
PID 1716 set thread context of 1600	1716	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.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_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1744	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
1744	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
1600	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
1600	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4164 wrote to memory of 1744	4164	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	82
PID 4164 wrote to memory of 1744	4164	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	82
PID 4164 wrote to memory of 1744	4164	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	82
PID 4164 wrote to memory of 1744	4164	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	82
PID 4164 wrote to memory of 1744	4164	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	82
PID 4164 wrote to memory of 1744	4164	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	82
PID 4164 wrote to memory of 1744	4164	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	82
PID 4164 wrote to memory of 1744	4164	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	82
PID 4164 wrote to memory of 1744	4164	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	82
PID 4164 wrote to memory of 1744	4164	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	82
PID 1744 wrote to memory of 2892	1744	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	83
PID 1744 wrote to memory of 2892	1744	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	83
PID 1744 wrote to memory of 2892	1744	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	83
PID 1744 wrote to memory of 1716	1744	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	84
PID 1744 wrote to memory of 1716	1744	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	84
PID 1744 wrote to memory of 1716	1744	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	84
PID 1716 wrote to memory of 1600	1716	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	86
PID 1716 wrote to memory of 1600	1716	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	86
PID 1716 wrote to memory of 1600	1716	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	86
PID 1716 wrote to memory of 1600	1716	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	86
PID 1716 wrote to memory of 1600	1716	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	86
PID 1716 wrote to memory of 1600	1716	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	86
PID 1716 wrote to memory of 1600	1716	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	86
PID 1716 wrote to memory of 1600	1716	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	86
PID 1716 wrote to memory of 1600	1716	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	86
PID 1716 wrote to memory of 1600	1716	JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4164
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.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:1744
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\bf3af79c-6f8f-4bde-8f8b-1eb19889a4e0" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:2892
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1716
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1600

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

Replay Monitor

Loading Replay Monitor...

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
a0c3b535fb6bbac5f540760fa7f07fff

SHA1
157e1fea23db4b5a611d8981819b3e6efde0b03d

SHA256
0c2809defdee860818e290a363430349fe51ec826c35c88b362f4d2143172531

SHA512
c91e7c28a490259f2453e02976cbbba03c409ba4af070eae8a1d5862d086e2d2edbdafa2077ba88e339b5fb5ceee4fe20a26541a0ed4ff5e3d0ef94dbac690ff

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

Filesize
170B

MD5
d05f9b67c5866154199f4c0e1f0b07a1

SHA1
3b8a4daa3176c44d52cb16480f51e23a4da6f089

SHA256
fdf99f15c9746c19d59b10706f9b3b1e7f284ca604d9a0748ad7413f8fe3bb05

SHA512
3acd8d5dcd65a44c1ad991c337f744ca50733854db49faf5e657e5ee378580fd8c26c7f64b712af19ead41cb85fcad1d5e6a3895f12eef4278aa8ddf21aa84bb

Download Submit
C:\Users\Admin\AppData\Local\bf3af79c-6f8f-4bde-8f8b-1eb19889a4e0\JaffaCakes118_3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4.exe

Filesize
799KB

MD5
54f29d2eae55171f2825afcd52d668cb

SHA1
72af362b1bb2dcdfa29aac1b1dc08e817fc04053

SHA256
3b0e682622d58bc7be4c5a204a0fd071f7d1f2578b88e133eb1952e865b009c4

SHA512
4a42b4963c287fb1cdf0cb268dff45cbf1a3f1c65f979ef0375719fab1bc0faccf35290a0ec5a56b038eff547c4ba72873acb5f8c3872dc793f0aa2f9086631c

Download Submit
memory/1600-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1600-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1600-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1600-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1600-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1600-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1600-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1600-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1600-44-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1600-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1600-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1600-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1716-23-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/1716-19-0x0000000000400000-0x00000000004D2000-memory.dmp

Filesize
840KB

Download
memory/1744-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1744-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1744-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1744-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1744-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4164-2-0x0000000002340000-0x000000000245B000-memory.dmp

Filesize
1.1MB

Download
memory/4164-1-0x00000000022A0000-0x0000000002336000-memory.dmp

Filesize
600KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads