djvu | dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80

General

Target

dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
Size

833KB
MD5

6e173f65df2588e34840a8e521b4c972
SHA1

388a442e1a899785fb674e067405cc2314c9b6f7
SHA256

dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80
SHA512

f89d99214cdf01b9c24ce9b8010f56a97f2f75af21b173de3dc90aebd4a18b4e3726e3fde0a2c6ece3a53fe0c402bfe90c7b13163ecc791e6392accb939e12b6

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

C2

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

Attributes

extension
.moia
offline_id
K3PMMX2aWwpnYby88Dzg7tmaIW7Tv0HMWvSyr7t1
payload_url
http://kotob.top/dl/build2.exe

http://tzgl.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-rIyEiK9ekc 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: 0355gSd743d

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/3496-117-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/3496-116-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3816-118-0x00000000008F0000-0x0000000000A0B000-memory.dmp	family_djvu
behavioral1/memory/3496-119-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/3300-125-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/3300-130-0x0000000000400000-0x0000000000537000-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

Processes:

icacls.exe

pid process

860 icacls.exe

pid	process
860	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\d0ba7d72-b8ac-405b-9cd2-30d2a2d87139\\dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe\" --AutoStart"	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.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

7 api.2ip.ua
8 api.2ip.ua
17 api.2ip.ua

flow	ioc
7	api.2ip.ua
8	api.2ip.ua
17	api.2ip.ua

Suspicious use of SetThreadContext 2 IoCs

Processes:

dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exedabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe

description	pid	process	target process
PID 3816 set thread context of 3496	3816	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3944 set thread context of 3300	3944	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe

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

System Information Discovery
T1082

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exedabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe

pid	process
3496	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
3496	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
3300	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
3300	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exedabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exedabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe

C:\Users\Admin\AppData\Local\Temp\dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
"C:\Users\Admin\AppData\Local\Temp\dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3816
- C:\Users\Admin\AppData\Local\Temp\dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
  "C:\Users\Admin\AppData\Local\Temp\dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:3496
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\d0ba7d72-b8ac-405b-9cd2-30d2a2d87139" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:860
- - C:\Users\Admin\AppData\Local\Temp\dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
    "C:\Users\Admin\AppData\Local\Temp\dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:3944
  - - C:\Users\Admin\AppData\Local\Temp\dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
      "C:\Users\Admin\AppData\Local\Temp\dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:3300

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

1

T1222

Install Root Certificate

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

MD5
237cc7db072d97a949e15c2d8dbea891

SHA1
43ef7b53667e94ae04496fa6cf6efc7f9a8ba83f

SHA256
7f9669eedb0bdb3b6647128101ec024ac5fc2447bd4372fbc8b4389f5d255acb

SHA512
07c69dbcb95369ffcfdcbe402d582e7dcad1b5f2976f9156460197c891eefae41b43d2640df96d08c4ae2338a5c8d03aeaa662487d0635678d34622aede96b2b

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

MD5
5db4d4fdb4428e5d3c794ed0a7c25958

SHA1
374866bf683c5c6a3620d7dcfe29ef04221c4723

SHA256
19ee4604acc3747d7a43fe1703dcacf39ca80e58a5f20e8607172b8f7037e45e

SHA512
8ad3ce80577dfc0e4edfb40c548d6b5ba88ca22bca51d0c9fe757d9e155372fe4c212ae12e8f7ed13fd40369a0722399b41c5f0edf9eb03de57fbd9890b2989d

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D

MD5
a117a877af3f7a1abed91ab74d634a72

SHA1
266c785344e57f348ea356549500f9bb4d3117a4

SHA256
5d4213279fc59f772a89a1c941ff69f61d554683e01dab59171a67eee7e56f52

SHA512
65c707fcd38cc194e4caab9db8c8e3e0d4cd0a61d0d8b469338dab6e500d2d47c03294e308fc8c3d89b056ea956ca40207e9372b5bfba2e16811b2c96fe2792c

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

MD5
fcc0852e471d4b2c7d7b6aaafa855e1d

SHA1
41268913985def8446e1524d1991398a39459985

SHA256
2ab1351f6306a21d93e47a1daba832d25431b6fcca03219829451a5ba2223d08

SHA512
dc27be13f1dc28e949d4ba50e400df4fdab284156aa90c603c7c37aba80f97518a33530ab77b1186bca27b8728484c1c0e724b02a7627d72331d509777037fbe

Download Submit
C:\Users\Admin\AppData\Local\d0ba7d72-b8ac-405b-9cd2-30d2a2d87139\dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe

MD5
6e173f65df2588e34840a8e521b4c972

SHA1
388a442e1a899785fb674e067405cc2314c9b6f7

SHA256
dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80

SHA512
f89d99214cdf01b9c24ce9b8010f56a97f2f75af21b173de3dc90aebd4a18b4e3726e3fde0a2c6ece3a53fe0c402bfe90c7b13163ecc791e6392accb939e12b6

Download Submit
memory/860-120-0x0000000000000000-mapping.dmp

Download
memory/3300-125-0x0000000000424141-mapping.dmp

Download
memory/3300-130-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3496-119-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3496-116-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/3496-117-0x0000000000424141-mapping.dmp

Download
memory/3816-115-0x00000000007BA000-0x000000000084C000-memory.dmp

Filesize
584KB

Download
memory/3816-118-0x00000000008F0000-0x0000000000A0B000-memory.dmp

Filesize
1.1MB

Download
memory/3944-122-0x0000000000000000-mapping.dmp

Download
memory/3944-123-0x00000000007E2000-0x0000000000874000-memory.dmp

Filesize
584KB

Download

description	pid	process	target process
PID 3816 wrote to memory of 3496	3816	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3816 wrote to memory of 3496	3816	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3816 wrote to memory of 3496	3816	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3816 wrote to memory of 3496	3816	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3816 wrote to memory of 3496	3816	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3816 wrote to memory of 3496	3816	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3816 wrote to memory of 3496	3816	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3816 wrote to memory of 3496	3816	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3816 wrote to memory of 3496	3816	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3816 wrote to memory of 3496	3816	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3496 wrote to memory of 860	3496	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	icacls.exe
PID 3496 wrote to memory of 860	3496	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	icacls.exe
PID 3496 wrote to memory of 860	3496	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	icacls.exe
PID 3496 wrote to memory of 3944	3496	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3496 wrote to memory of 3944	3496	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3496 wrote to memory of 3944	3496	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3944 wrote to memory of 3300	3944	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3944 wrote to memory of 3300	3944	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3944 wrote to memory of 3300	3944	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3944 wrote to memory of 3300	3944	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3944 wrote to memory of 3300	3944	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3944 wrote to memory of 3300	3944	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3944 wrote to memory of 3300	3944	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3944 wrote to memory of 3300	3944	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3944 wrote to memory of 3300	3944	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe
PID 3944 wrote to memory of 3300	3944	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe	dabbd03a805c076bd5116c06b4120971071cd26fd7c291f4763b874aecb78a80.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads