djvu | da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34

General

Target

JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
Size

829KB
MD5

734ae031b3a4a246f4211f4b378be099
SHA1

b98d03592af85cd345f8fd9db3bf1d575e6ce80a
SHA256

da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34
SHA512

11e80d519e59ca626e504eb44f7f801cc1c355f6282a1037e988b8dd089ed3ec2ca59df7cf3a3d04840f0ec3d431d510361e1ef2042573b44abec4488ff94c07
SSDEEP

12288:ThydzySr8NfwOM9uj0hJeA6h9f37TXVY+6PbGu0lDdqD0SUF5y3sTl9unnwQ7/X:NuJuQhJC9f37hYNb4A0X5y30lOwA

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.gtys
offline_id
qwVQoIsE2xLety0oNWloOilSDuIBXJGK86LM3ot1
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-fnn5kv33Vv 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: 0439JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 18 IoCs

resource	yara_rule
behavioral2/memory/4440-2-0x0000000002300000-0x000000000241B000-memory.dmp	family_djvu
behavioral2/memory/1072-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1072-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1072-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1072-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1072-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-25-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-26-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-28-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-45-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3052-53-0x0000000000400000-0x0000000000537000-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_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
4168	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\\dd962785-7969-4b6f-aed5-f74641f3c9eb\\JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe\" --AutoStart"	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.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
3	api.2ip.ua
5	api.2ip.ua
18	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4440 set thread context of 1072	4440	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	83
PID 3492 set thread context of 3052	3492	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	89

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_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1072	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
1072	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
3052	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
3052	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 4440 wrote to memory of 1072	4440	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	83
PID 4440 wrote to memory of 1072	4440	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	83
PID 4440 wrote to memory of 1072	4440	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	83
PID 4440 wrote to memory of 1072	4440	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	83
PID 4440 wrote to memory of 1072	4440	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	83
PID 4440 wrote to memory of 1072	4440	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	83
PID 4440 wrote to memory of 1072	4440	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	83
PID 4440 wrote to memory of 1072	4440	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	83
PID 4440 wrote to memory of 1072	4440	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	83
PID 4440 wrote to memory of 1072	4440	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	83
PID 1072 wrote to memory of 4168	1072	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	85
PID 1072 wrote to memory of 4168	1072	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	85
PID 1072 wrote to memory of 4168	1072	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	85
PID 1072 wrote to memory of 3492	1072	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	86
PID 1072 wrote to memory of 3492	1072	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	86
PID 1072 wrote to memory of 3492	1072	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	86
PID 3492 wrote to memory of 3052	3492	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	89
PID 3492 wrote to memory of 3052	3492	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	89
PID 3492 wrote to memory of 3052	3492	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	89
PID 3492 wrote to memory of 3052	3492	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	89
PID 3492 wrote to memory of 3052	3492	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	89
PID 3492 wrote to memory of 3052	3492	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	89
PID 3492 wrote to memory of 3052	3492	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	89
PID 3492 wrote to memory of 3052	3492	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	89
PID 3492 wrote to memory of 3052	3492	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	89
PID 3492 wrote to memory of 3052	3492	JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4440
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.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:1072
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\dd962785-7969-4b6f-aed5-f74641f3c9eb" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:4168
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3492
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:3052

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
5aa406bd139ca3319459d6224432679a

SHA1
63d22be7d17ac9565bf376c90457bb36940c530c

SHA256
c4971ca8acb7ea56a23531dab8636b1e22b679fab0b897b1cdcdcfb2d839bd1e

SHA512
a4cb0b68dabd44a7db1b4ffedc38de9e207aa952098b62bc601b6f99dd82ee1bf40e9c3223c9ef8386bdf22837ce20928f202ccd6e404d635a76eedd423cb5b2

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

Filesize
170B

MD5
2a0074de50a10d19e08fbe265fa31d91

SHA1
0aeac00bdcea62b82420126e962a34f147310c10

SHA256
3b7d93213aa7f84847a071361b218d5a8444f0d6b906b4b97bdea0e095bc29d4

SHA512
5ba57609371e61a57642b218da4fd19aa41a585f5854dc70f00230cc9fbcc834fa713de409f207f442298e76d9d7c8eba9f2ca59b07e058536184e5db7a5931a

Download Submit
C:\Users\Admin\AppData\Local\dd962785-7969-4b6f-aed5-f74641f3c9eb\JaffaCakes118_da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34.exe

Filesize
829KB

MD5
734ae031b3a4a246f4211f4b378be099

SHA1
b98d03592af85cd345f8fd9db3bf1d575e6ce80a

SHA256
da5fc1116d581cf024ca37d8ce816d4311bbe9e48c270c0be1eec4df0ccc5e34

SHA512
11e80d519e59ca626e504eb44f7f801cc1c355f6282a1037e988b8dd089ed3ec2ca59df7cf3a3d04840f0ec3d431d510361e1ef2042573b44abec4488ff94c07

Download Submit
memory/1072-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1072-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1072-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1072-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1072-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-53-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-26-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-25-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-28-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-45-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3052-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3492-23-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/3492-27-0x0000000000400000-0x0000000000517000-memory.dmp

Filesize
1.1MB

Download
memory/4440-1-0x0000000002260000-0x00000000022FF000-memory.dmp

Filesize
636KB

Download
memory/4440-2-0x0000000002300000-0x000000000241B000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads