djvu | d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07

General

Target

d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe
Size

1.1MB
MD5

37118cef94032f930d9ed40fa37144fe
SHA1

892d01b286a17e9faedec5fbda3d268842306393
SHA256

d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07
SHA512

c01e408709945cf912836d04a0e754d8cc7d1641e13cfa33809328498e031387e45b633fec885384a227002762d7f332bf82b58a8b0ff44a5c3433988991e9a1
SSDEEP

24576:ZBUIKn/vwOXGUXAjCymYZiVtElVIBT2roqnTSSxWeT/dRPOO8RWQHUq7:F0dwAYZt6C31WeTVRPOhR7Uq7

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

http://asvb.top/nddddhsspen6/get.php

Attributes

extension
.paas
offline_id
LQbDo3EfIVHxGuJOWRJdmxgY66rD6kiyqz4tzyt1
payload_url
http://asvb.top/files/penelop/updatewin1.exe

http://asvb.top/files/penelop/updatewin2.exe

http://asvb.top/files/penelop/updatewin.exe

http://asvb.top/files/penelop/3.exe

http://asvb.top/files/penelop/4.exe

http://asvb.top/files/penelop/5.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-B0FsLNO3fN 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: 0300ewgfDd

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 1 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\a9b79a61-ebfd-491d-9272-c452d1ba4a4f\d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Djvu family
djvu
Modifies file permissions 1 TTPs 1 IoCs
discovery

File and Directory Permissions Modification
T1222

Processes:

icacls.exe

pid process

2684 icacls.exe

pid	process
2684	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\a9b79a61-ebfd-491d-9272-c452d1ba4a4f\\d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe\" --AutoStart"	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.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.

Processes:

flow ioc

3 api.2ip.ua
4 api.2ip.ua
9 api.2ip.ua
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

flow	ioc
3	api.2ip.ua
4	api.2ip.ua
9	api.2ip.ua

System Location Discovery: System Language Discovery 1 TTPs 3 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

Processes:

d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exeicacls.exed83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exed83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe

pid	process
2844	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe
2844	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe
2648	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe
2648	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe

description	pid	process	target process
PID 2844 wrote to memory of 2684	2844	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe	icacls.exe
PID 2844 wrote to memory of 2684	2844	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe	icacls.exe
PID 2844 wrote to memory of 2684	2844	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe	icacls.exe
PID 2844 wrote to memory of 2684	2844	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe	icacls.exe
PID 2844 wrote to memory of 2648	2844	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe
PID 2844 wrote to memory of 2648	2844	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe
PID 2844 wrote to memory of 2648	2844	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe
PID 2844 wrote to memory of 2648	2844	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe	d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe

C:\Users\Admin\AppData\Local\Temp\d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe
"C:\Users\Admin\AppData\Local\Temp\d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Windows\SysWOW64\icacls.exe
  icacls "C:\Users\Admin\AppData\Local\a9b79a61-ebfd-491d-9272-c452d1ba4a4f" /deny *S-1-1-0:(OI)(CI)(DE,DC)
  2⤵
  - Modifies file permissions
  - System Location Discovery: System Language Discovery
  PID:2684
- C:\Users\Admin\AppData\Local\Temp\d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe
  "C:\Users\Admin\AppData\Local\Temp\d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe" --Admin IsNotAutoStart IsNotTask
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:2648

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

System Information Discovery

1

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
51cd2003899e65912e7cf99a2f8d8fa7

SHA1
026a7ab65d2acf889ccf69cec4aa8378b3d5d34b

SHA256
68f9205e326020db5c0e185464014acfe25583cfdc2cf62a225f142c9a3a91c5

SHA512
9fe28e5d4ab511169e1315f2602fd84b211301538a79a6b60dc53b329ff5d90bbdd35ed4b4261185884e8c874740c535fce9f61ba732330a7e03c128b5288fdc

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
1b1ea1afdf15b1bef87735544630db3e

SHA1
3c3d635f7914400ed091e9cb361fd1ef2c3e2047

SHA256
f481cddbc4125637e969c07ab2f41a4b4c8eff2029e508bf7ba21df8df5d0450

SHA512
26991672f5a67fcb1a572fad7564343392a5252aaefed0039540d4f3fd7597b3309524fdb17c3c17ed2802d4ae7edb8d1adf6c7f9362fe30b3f44f798f866922

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

Filesize
170B

MD5
d7629e5db8079b5f890e889716b543cc

SHA1
3843d55b395c2708e9b7e7997384e3e65915f66e

SHA256
f93867c3d5e305f2c8d23282ebb9ba1d1e5d176318789e981a3928665bf653e0

SHA512
f26db35f9b930e40b401fbcbe2788ae636e67479ff5762b28566a73d1de82ac0d3c951c52970570a3a3415f77618c1d0c9f1171bc3b969650c66be862537dcc6

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab6C2B.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\a9b79a61-ebfd-491d-9272-c452d1ba4a4f\d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07.exe

Filesize
1.1MB

MD5
37118cef94032f930d9ed40fa37144fe

SHA1
892d01b286a17e9faedec5fbda3d268842306393

SHA256
d83013d86062dab8e194ad14da91a214d2e539d1a9fff3e29c9e2e02f4bf9d07

SHA512
c01e408709945cf912836d04a0e754d8cc7d1641e13cfa33809328498e031387e45b633fec885384a227002762d7f332bf82b58a8b0ff44a5c3433988991e9a1

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads