djvu | d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0

General

Target

JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe
Size

816KB
MD5

73d0e43f87a8d15cc8b6849fe15bc438
SHA1

79c20772f11626abfe03fdc3973e20e01796dc58
SHA256

d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0
SHA512

3ffc7d051337a4cfb6a98ef75ab9f1083cf00ea141e10b64894dc8341208232c9bccf7a3725071c18940e3f4daa9d4d6283790c8fdc5713bde9a2bd6270842e6
SSDEEP

24576:93QE0HSdFy/rvIvaQ/QbctEq3+fok9/a5cQjbNgEN:93QE0HmFKrTQ/jtb+foaa5cA+C

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.ifla
offline_id
e8w5MeiBrZVoHLoloPm9MNlKBzXH70BB3B2KQ7t1
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-2w6I3WpXEh 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: 0478JIjdm

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 16 IoCs

resource	yara_rule
behavioral2/memory/1444-2-0x0000000004AA0000-0x0000000004BBB000-memory.dmp	family_djvu
behavioral2/memory/3008-3-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3008-4-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3008-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3008-6-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/3008-19-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2404-22-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2404-24-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2404-31-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2404-32-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2404-33-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2404-35-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2404-38-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2404-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2404-39-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral2/memory/2404-41-0x0000000000400000-0x0000000000537000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
3128	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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\3e65efec-0d4f-48bf-9daa-f4718ea3e1f6\\JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe\" --AutoStart"	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.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
14	api.2ip.ua
20	api.2ip.ua
13	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1444 set thread context of 3008	1444	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	83
PID 5044 set thread context of 2404	5044	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.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_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	icacls.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3008	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe
3008	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe
2404	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe
2404	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 3008	1444	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	83
PID 1444 wrote to memory of 3008	1444	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	83
PID 1444 wrote to memory of 3008	1444	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	83
PID 1444 wrote to memory of 3008	1444	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	83
PID 1444 wrote to memory of 3008	1444	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	83
PID 1444 wrote to memory of 3008	1444	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	83
PID 1444 wrote to memory of 3008	1444	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	83
PID 1444 wrote to memory of 3008	1444	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	83
PID 1444 wrote to memory of 3008	1444	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	83
PID 1444 wrote to memory of 3008	1444	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	83
PID 3008 wrote to memory of 3128	3008	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	85
PID 3008 wrote to memory of 3128	3008	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	85
PID 3008 wrote to memory of 3128	3008	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	85
PID 3008 wrote to memory of 5044	3008	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	86
PID 3008 wrote to memory of 5044	3008	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	86
PID 3008 wrote to memory of 5044	3008	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	86
PID 5044 wrote to memory of 2404	5044	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	89
PID 5044 wrote to memory of 2404	5044	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	89
PID 5044 wrote to memory of 2404	5044	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	89
PID 5044 wrote to memory of 2404	5044	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	89
PID 5044 wrote to memory of 2404	5044	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	89
PID 5044 wrote to memory of 2404	5044	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	89
PID 5044 wrote to memory of 2404	5044	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	89
PID 5044 wrote to memory of 2404	5044	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	89
PID 5044 wrote to memory of 2404	5044	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	89
PID 5044 wrote to memory of 2404	5044	JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.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:3008
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\3e65efec-0d4f-48bf-9daa-f4718ea3e1f6" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    - System Location Discovery: System Language Discovery
    PID:3128
- - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5044
  - - C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:2404

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
506c12b09e951bfe5fc2f87ab1c23352

SHA1
07e6dcc27c32d4a3876ce1d3a10cc46d7a08fdf2

SHA256
448857693e37f8312cd5bef90de2f4dcb6d4b26bd8a3b6668fa44ac4c1fd691c

SHA512
66b39e61761ba3cb5528124571e4d25586d3f274dc85765f78734a1d3755744680ab5c1bab26c3d2547f41829faf47ce4cb1d61e4c0a9a366b264fda29fac403

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

Filesize
170B

MD5
e7e77bdc94d461e4513b9373b1f05d52

SHA1
6ba95a17a2d3e3ef9832b717666177f496750106

SHA256
c5199ccc801d777fb9cf3f31c309b8c8f1ceb004c18611f172d99c4dbdcd742c

SHA512
c3442114b108a17bce6e995e62af2cc7dbed739b4eb50fb287608734c53f6d867b5f8264621625f1dbce050fe1e2c38453178f1c8ae3116ba52d1346591b45b0

Download Submit
C:\Users\Admin\AppData\Local\3e65efec-0d4f-48bf-9daa-f4718ea3e1f6\JaffaCakes118_d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0.exe

Filesize
816KB

MD5
73d0e43f87a8d15cc8b6849fe15bc438

SHA1
79c20772f11626abfe03fdc3973e20e01796dc58

SHA256
d71649630eb33a1114631e63be7d2ef72690b9c1bf969a15bb45268f7ea703f0

SHA512
3ffc7d051337a4cfb6a98ef75ab9f1083cf00ea141e10b64894dc8341208232c9bccf7a3725071c18940e3f4daa9d4d6283790c8fdc5713bde9a2bd6270842e6

Download Submit
memory/1444-2-0x0000000004AA0000-0x0000000004BBB000-memory.dmp

Filesize
1.1MB

Download
memory/1444-1-0x00000000049E0000-0x0000000004A81000-memory.dmp

Filesize
644KB

Download
memory/2404-32-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2404-35-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2404-24-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2404-41-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2404-39-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2404-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2404-38-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2404-31-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2404-22-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2404-33-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3008-3-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3008-4-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3008-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3008-6-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3008-19-0x0000000000400000-0x0000000000537000-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