djvu | 1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c

General

Target

JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Size

757KB
MD5

8dcbf7ea62059c8b10246754c3c9b800
SHA1

177493084646918c0b6bed606be6dc2901cab25b
SHA256

1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c
SHA512

4ce4990575ed8ef8d03d85a532a027443b9c270af6912dc8c45dff99ab604e82e441cabc0aa82784064f7e169709fc41d9c92b36016b6dc1c05e19306f19987a
SSDEEP

12288:6ZUbR65iysDBtkrNmNSVAk2+vFi5thNVlZB+KSNPR7EOuMceBhvTWwSMmgOQzQmx:vR6JSarANSV12AEhNX+5N9oMcOv6wSMo

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.qpss
offline_id
miqhSGmGE63yWs53FTz0fnp8eCARpnaYE3O3p2t1
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-0SLhZxAjRX 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: 0448JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 18 IoCs

resource	yara_rule
behavioral2/memory/1596-2-0x0000000002220000-0x000000000233B000-memory.dmp	family_djvu
behavioral2/memory/4928-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4928-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4928-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4928-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/4928-17-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-21-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-29-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-30-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-44-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-46-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-47-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-48-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/1964-49-0x0000000000400000-0x0000000000537000-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1724	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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\b16ccb08-85ad-4436-80fd-f6f243c8d753\\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe\" --AutoStart"	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.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
19	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1596 set thread context of 4928	1596	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	83
PID 1184 set thread context of 1964	1184	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.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	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4928	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
4928	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
1964	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
1964	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 4928	1596	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	83
PID 1596 wrote to memory of 4928	1596	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	83
PID 1596 wrote to memory of 4928	1596	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	83
PID 1596 wrote to memory of 4928	1596	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	83
PID 1596 wrote to memory of 4928	1596	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	83
PID 1596 wrote to memory of 4928	1596	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	83
PID 1596 wrote to memory of 4928	1596	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	83
PID 1596 wrote to memory of 4928	1596	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	83
PID 1596 wrote to memory of 4928	1596	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	83
PID 1596 wrote to memory of 4928	1596	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	83
PID 4928 wrote to memory of 1724	4928	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	84
PID 4928 wrote to memory of 1724	4928	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	84
PID 4928 wrote to memory of 1724	4928	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	84
PID 4928 wrote to memory of 1184	4928	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	85
PID 4928 wrote to memory of 1184	4928	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	85
PID 4928 wrote to memory of 1184	4928	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	85
PID 1184 wrote to memory of 1964	1184	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	87
PID 1184 wrote to memory of 1964	1184	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	87
PID 1184 wrote to memory of 1964	1184	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	87
PID 1184 wrote to memory of 1964	1184	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	87
PID 1184 wrote to memory of 1964	1184	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	87
PID 1184 wrote to memory of 1964	1184	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	87
PID 1184 wrote to memory of 1964	1184	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	87
PID 1184 wrote to memory of 1964	1184	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	87
PID 1184 wrote to memory of 1964	1184	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	87
PID 1184 wrote to memory of 1964	1184	JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.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:4928
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\b16ccb08-85ad-4436-80fd-f6f243c8d753" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:1724
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1184
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:1964

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
0e413b9ac2593add551efe8a1b49ca66

SHA1
1c26817f00188cc1dccd911e01d17be4bd42ecd6

SHA256
915bfb04f96dad72413323559e5d7248adb765aaa311a4723a04f0d3b3bdbaac

SHA512
630b70d5eede9fcbc940aad54378439a9f3f8ed6a7ba48d448a2d0c0db34ed2e6f5a5b8740d708d5a59f366427bd67be4bb1503761c27a9ef7b7a331d98948d6

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

Filesize
170B

MD5
4701f5dc4d9de085389c2aaaf96ed898

SHA1
9b7b236a2a388812b0e406ad6083ec57dfffbe58

SHA256
8eb9382197f6c53ccec5b62d199d59a6042e29c4651e49cf8e31a160634c63ee

SHA512
3e97536bb2c0ed6ac9bce2435c9943db3dd40576186b80e0adb22fab032f346f7b3b1f1f0d588cc8974e7acef6f93e00ec81b51f091173d6b7a69dcc1fe893ff

Download Submit
C:\Users\Admin\AppData\Local\b16ccb08-85ad-4436-80fd-f6f243c8d753\JaffaCakes118_1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c.exe

Filesize
757KB

MD5
8dcbf7ea62059c8b10246754c3c9b800

SHA1
177493084646918c0b6bed606be6dc2901cab25b

SHA256
1fe891ed34f4229717980a640061c6201029bcfee2708f0454a1c4be54792e7c

SHA512
4ce4990575ed8ef8d03d85a532a027443b9c270af6912dc8c45dff99ab604e82e441cabc0aa82784064f7e169709fc41d9c92b36016b6dc1c05e19306f19987a

Download Submit
memory/1184-23-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/1184-19-0x0000000000400000-0x00000000004E6000-memory.dmp

Filesize
920KB

Download
memory/1596-2-0x0000000002220000-0x000000000233B000-memory.dmp

Filesize
1.1MB

Download
memory/1596-1-0x00000000005C0000-0x0000000000661000-memory.dmp

Filesize
644KB

Download
memory/1964-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1964-30-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1964-49-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1964-48-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1964-21-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1964-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1964-47-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1964-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1964-29-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1964-46-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1964-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1964-44-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4928-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4928-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4928-17-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4928-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/4928-4-0x0000000000400000-0x0000000000537000-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