djvu | 76ee80e6da636e1751c2a9d7c7d4f18e3068babd79d8333961eaee1bca7c50e6

Analysis

max time kernel
147s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/04/2024, 09:49

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
Size

711KB
MD5

e9b7be0e8c22db244de8af36e27a659d
SHA1

4161eac953f65889890904479e43333e3969f409
SHA256

76ee80e6da636e1751c2a9d7c7d4f18e3068babd79d8333961eaee1bca7c50e6
SHA512

9863c1b1841c692f5206372763a62eace87e1a85a295c7acfa6e6dfc59b7d1531d56cb2e0a7886f0eb2c08824a4c9fd789866f2a1f353a4b867b57d7f74cc001
SSDEEP

12288:YsQq4qRTKKrRZU8XdT0LAQIenXN14XXKH1ruCkL5/qwW/laO:sq4qlrs8XdAke911YLGMO

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

http://astdg.top/fhsgtsspen6/get.php

Attributes

extension
.hoop
offline_id
922IaqlBU1I6IKX6eTDABuH3amHHwoa5qUSb8vt1
payload_url
http://securebiz.org/dl/build2.exe

http://astdg.top/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-I6qIbIYiz9 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: 0326gDrgo

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2264-2-0x0000000004570000-0x000000000468B000-memory.dmp	family_djvu
behavioral1/memory/2060-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2060-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2060-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2060-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2520-36-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2520-37-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2520-50-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2520-51-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2520-52-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2520-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2520-57-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2520-58-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2520-59-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2520-60-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2944	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-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\8bebaf58-452d-4677-88a1-31d25f05eec3\\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe\" --AutoStart"	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.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
4	api.2ip.ua
9	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2264 set thread context of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2680 set thread context of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2060	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
2520	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
2520	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2264 wrote to memory of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2264 wrote to memory of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2264 wrote to memory of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2264 wrote to memory of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2264 wrote to memory of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2264 wrote to memory of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2264 wrote to memory of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2264 wrote to memory of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2264 wrote to memory of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2264 wrote to memory of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2264 wrote to memory of 2060	2264	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	28
PID 2060 wrote to memory of 2944	2060	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	29
PID 2060 wrote to memory of 2944	2060	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	29
PID 2060 wrote to memory of 2944	2060	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	29
PID 2060 wrote to memory of 2944	2060	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	29
PID 2060 wrote to memory of 2680	2060	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	30
PID 2060 wrote to memory of 2680	2060	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	30
PID 2060 wrote to memory of 2680	2060	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	30
PID 2060 wrote to memory of 2680	2060	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	30
PID 2680 wrote to memory of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31
PID 2680 wrote to memory of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31
PID 2680 wrote to memory of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31
PID 2680 wrote to memory of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31
PID 2680 wrote to memory of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31
PID 2680 wrote to memory of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31
PID 2680 wrote to memory of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31
PID 2680 wrote to memory of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31
PID 2680 wrote to memory of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31
PID 2680 wrote to memory of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31
PID 2680 wrote to memory of 2520	2680	e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2264
- C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2060
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\8bebaf58-452d-4677-88a1-31d25f05eec3" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:2944
- - C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2680
  - - C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
1KB

MD5
fc5408c48a55314c72e200b74330cac4

SHA1
7e8889ec3189a40e6078088927bf3612753fa628

SHA256
7ea2a016d97635b1367455af2250cbf9e9c34d293829d11fc21ce905347590c4

SHA512
481753ef755c188012919ea728ea0395f22b6ce83f2f9a11675be6072f154db141b2382dc62ad7c3c95e36596529176a66f40e3d118cf0e33ea8e6f716ae1d77

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
410B

MD5
4fcb6324d0cc5736a4588f0a17c14e73

SHA1
1516061eb49782fda52919dcfab0b94f4354b5a5

SHA256
f606eedd481682329eb3011db4093f420cf6794a61e8979f035b67b2928efba8

SHA512
29df5b20506e99f772d4ddb756272f38107d23746e41cda70f4dd8978f74460c6bddff4be33652691e333da078d758bcf775187c77376346ae9efa6a9c4cbe83

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

Filesize
344B

MD5
654f82f1f74ef36efe622405a0f54c77

SHA1
d1ebc46cc9032e97e9b0e1f6501f54a62ecc0f06

SHA256
2b9461f2557dcd0d2d9703faf0eb66c7de4d70b6bd0c7a59c6ea0eed591e8925

SHA512
a3a1f6a7db33b6dd8a6ae5e33089344044094328b40431d3c42748d1b5a6d8e884aba982e1291311960b81ce52a2a4380cfe3e990624b6eb7b0b3460d1e43591

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
392B

MD5
4f6074e118eca3b7d2b9dde584fda425

SHA1
cb19ecfc549a160250aebd267619a0517b8a281b

SHA256
72ec2fc190c6f2cb5321557e17da8b230fc3f1e8476aedd16f7dfc509845c575

SHA512
edeeeff38c305fa6384a901c82af7be9e6daeaa0ca3541b5b2dbf2ae06e584d093f7a9948afb9e5ee8b1a2691f805f34388f9d9c99b85da099bb5af91a454bc5

Download Submit
C:\Users\Admin\AppData\Local\8bebaf58-452d-4677-88a1-31d25f05eec3\e9b7be0e8c22db244de8af36e27a659d_JaffaCakes118.exe

Filesize
711KB

MD5
e9b7be0e8c22db244de8af36e27a659d

SHA1
4161eac953f65889890904479e43333e3969f409

SHA256
76ee80e6da636e1751c2a9d7c7d4f18e3068babd79d8333961eaee1bca7c50e6

SHA512
9863c1b1841c692f5206372763a62eace87e1a85a295c7acfa6e6dfc59b7d1531d56cb2e0a7886f0eb2c08824a4c9fd789866f2a1f353a4b867b57d7f74cc001

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab27AC.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
memory/2060-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2060-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2060-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2060-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2060-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2264-7-0x0000000002D90000-0x0000000002E21000-memory.dmp

Filesize
580KB

Download
memory/2264-2-0x0000000004570000-0x000000000468B000-memory.dmp

Filesize
1.1MB

Download
memory/2264-0-0x0000000002D90000-0x0000000002E21000-memory.dmp

Filesize
580KB

Download
memory/2264-1-0x0000000002D90000-0x0000000002E21000-memory.dmp

Filesize
580KB

Download
memory/2520-37-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2520-36-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2520-50-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2520-51-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2520-52-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2520-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2520-57-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2520-58-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2520-59-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2520-60-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2680-35-0x0000000000310000-0x00000000003A1000-memory.dmp

Filesize
580KB

Download
memory/2680-30-0x0000000000310000-0x00000000003A1000-memory.dmp

Filesize
580KB

Download
memory/2680-28-0x0000000000310000-0x00000000003A1000-memory.dmp

Filesize
580KB

Download