djvu | 6d495ef15b5109636e685112122dfe1c5d854fbcf65a698fcb23a838c1c12200

Analysis

max time kernel
72s
max time network
151s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
08/09/2022, 05:12

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General

Target

file.exe
Size

777KB
MD5

b3e457081acad76912cbdf15e3fb1dc7
SHA1

f22cc7127f02bc89995197612cf54f8b58b1c469
SHA256

6d495ef15b5109636e685112122dfe1c5d854fbcf65a698fcb23a838c1c12200
SHA512

3105046d5901efc114711346509f04fec06ed56c4d4f08496d8be2c8dfd828966aa54bb23f315c94db1bf2d9c3cda4fe1c7b0693315fc371a21c0a3488d8f112
SSDEEP

12288:NTQZCuhNEizhIDopI+RuUbLgw5Z7bhYzjdSB9o3/iqSDXHCw8HoUQF09jtTV:tWjEi2DMuUbLRBh8e9oqpn8XX9hTV

Score

10^/10

djvu discovery persistence ransomware

Malware Config

Extracted

Family

djvu

http://acacaca.org/test3/get.php

Attributes

extension
.mmvb
offline_id
yd6oYv6aBN90yFzTWdZ34sXSXtXiauzOLXZyWht1
payload_url
http://rgyui.top/dl/build2.exe

http://acacaca.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-xuPJqoyzQE 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: 0556Jhyjd

rsa_pubkey.plain

Signatures

Detected Djvu ransomware 10 IoCs

resource	yara_rule
behavioral1/memory/1860-55-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1860-56-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/964-59-0x0000000002210000-0x000000000232B000-memory.dmp	family_djvu
behavioral1/memory/1860-61-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1860-62-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1860-66-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1404-69-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/1404-73-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1404-80-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1404-95-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
1996	build2.exe
524	build2.exe

Loads dropped DLL 2 IoCs

pid	Process
1404	file.exe
1404	file.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
1536	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\278673d6-db71-42ab-808b-3610077f7e54\\file.exe\" --AutoStart"	file.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
4	api.2ip.ua
5	api.2ip.ua
13	api.2ip.ua

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 964 set thread context of 1860	964	file.exe	26
PID 1796 set thread context of 1404	1796	file.exe	31
PID 1996 set thread context of 524	1996	build2.exe	34

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 11 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	build2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	file.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	file.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	file.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	file.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	build2.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	file.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1860	file.exe
1404	file.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 964 wrote to memory of 1860	964	file.exe	26
PID 964 wrote to memory of 1860	964	file.exe	26
PID 964 wrote to memory of 1860	964	file.exe	26
PID 964 wrote to memory of 1860	964	file.exe	26
PID 964 wrote to memory of 1860	964	file.exe	26
PID 964 wrote to memory of 1860	964	file.exe	26
PID 964 wrote to memory of 1860	964	file.exe	26
PID 964 wrote to memory of 1860	964	file.exe	26
PID 964 wrote to memory of 1860	964	file.exe	26
PID 964 wrote to memory of 1860	964	file.exe	26
PID 964 wrote to memory of 1860	964	file.exe	26
PID 1860 wrote to memory of 1536	1860	file.exe	29
PID 1860 wrote to memory of 1536	1860	file.exe	29
PID 1860 wrote to memory of 1536	1860	file.exe	29
PID 1860 wrote to memory of 1536	1860	file.exe	29
PID 1860 wrote to memory of 1796	1860	file.exe	30
PID 1860 wrote to memory of 1796	1860	file.exe	30
PID 1860 wrote to memory of 1796	1860	file.exe	30
PID 1860 wrote to memory of 1796	1860	file.exe	30
PID 1796 wrote to memory of 1404	1796	file.exe	31
PID 1796 wrote to memory of 1404	1796	file.exe	31
PID 1796 wrote to memory of 1404	1796	file.exe	31
PID 1796 wrote to memory of 1404	1796	file.exe	31
PID 1796 wrote to memory of 1404	1796	file.exe	31
PID 1796 wrote to memory of 1404	1796	file.exe	31
PID 1796 wrote to memory of 1404	1796	file.exe	31
PID 1796 wrote to memory of 1404	1796	file.exe	31
PID 1796 wrote to memory of 1404	1796	file.exe	31
PID 1796 wrote to memory of 1404	1796	file.exe	31
PID 1796 wrote to memory of 1404	1796	file.exe	31
PID 1404 wrote to memory of 1996	1404	file.exe	32
PID 1404 wrote to memory of 1996	1404	file.exe	32
PID 1404 wrote to memory of 1996	1404	file.exe	32
PID 1404 wrote to memory of 1996	1404	file.exe	32
PID 1996 wrote to memory of 524	1996	build2.exe	34
PID 1996 wrote to memory of 524	1996	build2.exe	34
PID 1996 wrote to memory of 524	1996	build2.exe	34
PID 1996 wrote to memory of 524	1996	build2.exe	34
PID 1996 wrote to memory of 524	1996	build2.exe	34
PID 1996 wrote to memory of 524	1996	build2.exe	34
PID 1996 wrote to memory of 524	1996	build2.exe	34
PID 1996 wrote to memory of 524	1996	build2.exe	34
PID 1996 wrote to memory of 524	1996	build2.exe	34
PID 1996 wrote to memory of 524	1996	build2.exe	34

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:964
- C:\Users\Admin\AppData\Local\Temp\file.exe
  "C:\Users\Admin\AppData\Local\Temp\file.exe"
  2⤵
  - Adds Run key to start application
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1860
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\278673d6-db71-42ab-808b-3610077f7e54" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:1536
- - C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:1796
  - - C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Loads dropped DLL
      Modifies system certificate store
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1404
    - - C:\Users\Admin\AppData\Local\2c725071-127d-4622-a5ba-ed6e1242265c\build2.exe
        
        "C:\Users\Admin\AppData\Local\2c725071-127d-4622-a5ba-ed6e1242265c\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1996
      - C:\Users\Admin\AppData\Local\2c725071-127d-4622-a5ba-ed6e1242265c\build2.exe
        
        "C:\Users\Admin\AppData\Local\2c725071-127d-4622-a5ba-ed6e1242265c\build2.exe"
        6⤵
        Executes dropped EXE
        Modifies system certificate store
        
        PID:524

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

File and Directory Permissions Modification

T1222

Install Root Certificate

T1130

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
2KB

MD5
215064dd8b4566627489319b46e9ca43

SHA1
7fa698eef5f02a961b5862df135d7ebfd8a12292

SHA256
390f76fdb79029603900524df2f0fbfd05bf18a3bbc74b9b05b2a6dc5938393c

SHA512
2a5b12b41d728ce30f1712d23226bbefe73111b786156b97126d6497ef234e78feaf6db08c7412eaa336c869b93ab239cd46b33cc31ff2c8497214cba5927753

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

Filesize
60KB

MD5
6c6a24456559f305308cb1fb6c5486b3

SHA1
3273ac27d78572f16c3316732b9756ebc22cb6ed

SHA256
efc3c579bd619ceab040c4b8c1b821b2d82c64fddd9e80a00ec0d7f6577ed973

SHA512
587d4a9175a6aa82cd8bb1c11ca6508f95cd218f76ac322ddbd1bc7146a0e25f8937ee426a6fb0fb0bb045cedb24d8c8a9edfe9f654112f293d8701220f726b4

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

Filesize
1KB

MD5
7c27ffae0cbd6d55b86f387667635294

SHA1
6df10a537a970852086711da85ae84f7355bff72

SHA256
b6a9400010fea1af51104c2b48fdd4383d8b7a81bd62a22c188db3cdb7413503

SHA512
140752fd448ed5cd01c5463d67b7dd2c5c111fd4256d3686b792bc0ff788bed49fdfe901402fdb080b9a6c0789725dda6256280120fadc5aca1f127a552e13d6

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

Filesize
488B

MD5
e39f9e156ec75cbafd4fb23963389b17

SHA1
d2a33a583aefee1eb0a4ec379eda0b35fdd0f4ab

SHA256
3410a4ed96b97bbd0ffeffa4187e068bdea5f939d36ea398e4ceec3309045846

SHA512
cf3ef78cf34dc0ee56b48e3414ecef02c68b03a0937cc9698b53a1e281be94bbbc2bf0da8846bf3ff38a51bdde1d3ae536c65136657c132204820369d10b46c2

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

Filesize
344B

MD5
ba5fd5afadfbd191efd071d48cbc3df4

SHA1
a5ff88235341e05417e5a1ba317fa903e04783e5

SHA256
2b099129c050b9eb208df325cd7b4539f90587173edc0b0745c1b18a78f3cb8e

SHA512
5c6ca10392db3aa140e28136ad543f22fedc77993e77e7888afb2642266c9888cf16d195ff36549d350628dc812cd8e694141cff406e0bada17353f2d805693f

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

Filesize
482B

MD5
548d9b860fc097e2e0497e67230fda3c

SHA1
97667f1ead9933e220a010e7ea655eee69acdf66

SHA256
9469aae7aec99e5b54efaaa67c6c4770a7f596a7b3873e6c7e44be55cbe82d42

SHA512
c5b9df7c5b315eb079a26a12a1967baf52f4e0aea439813680d80edad83941f0eda092f6bd9e8e954b912d66696b45524e042488efc033ad8d9b1d5538252b31

Download Submit
C:\Users\Admin\AppData\Local\278673d6-db71-42ab-808b-3610077f7e54\file.exe

Filesize
777KB

MD5
b3e457081acad76912cbdf15e3fb1dc7

SHA1
f22cc7127f02bc89995197612cf54f8b58b1c469

SHA256
6d495ef15b5109636e685112122dfe1c5d854fbcf65a698fcb23a838c1c12200

SHA512
3105046d5901efc114711346509f04fec06ed56c4d4f08496d8be2c8dfd828966aa54bb23f315c94db1bf2d9c3cda4fe1c7b0693315fc371a21c0a3488d8f112

Download Submit
C:\Users\Admin\AppData\Local\2c725071-127d-4622-a5ba-ed6e1242265c\build2.exe

Filesize
383KB

MD5
8d7db6982df46c3b0f0cc879d892c08a

SHA1
64e3d7ab4793aeb05d18a82159c579e05c45fd71

SHA256
116e15e94d70dde65f91f155580bd9b34ff1956b9ebe1a53b6bce912b281c1f6

SHA512
0eeb242e6e1356a2a9e3183f12439ef36fac40e27ac8c0df5f591c7b3c1324145627c92c3fee15aedee2c1e8cc3b966152af73a33196166c2c1bfbbd979bdb5b

Download Submit
C:\Users\Admin\AppData\Local\2c725071-127d-4622-a5ba-ed6e1242265c\build2.exe

Filesize
383KB

MD5
8d7db6982df46c3b0f0cc879d892c08a

SHA1
64e3d7ab4793aeb05d18a82159c579e05c45fd71

SHA256
116e15e94d70dde65f91f155580bd9b34ff1956b9ebe1a53b6bce912b281c1f6

SHA512
0eeb242e6e1356a2a9e3183f12439ef36fac40e27ac8c0df5f591c7b3c1324145627c92c3fee15aedee2c1e8cc3b966152af73a33196166c2c1bfbbd979bdb5b

Download Submit
C:\Users\Admin\AppData\Local\2c725071-127d-4622-a5ba-ed6e1242265c\build2.exe

Filesize
383KB

MD5
8d7db6982df46c3b0f0cc879d892c08a

SHA1
64e3d7ab4793aeb05d18a82159c579e05c45fd71

SHA256
116e15e94d70dde65f91f155580bd9b34ff1956b9ebe1a53b6bce912b281c1f6

SHA512
0eeb242e6e1356a2a9e3183f12439ef36fac40e27ac8c0df5f591c7b3c1324145627c92c3fee15aedee2c1e8cc3b966152af73a33196166c2c1bfbbd979bdb5b

Download Submit
\Users\Admin\AppData\Local\2c725071-127d-4622-a5ba-ed6e1242265c\build2.exe

Filesize
383KB

MD5
8d7db6982df46c3b0f0cc879d892c08a

SHA1
64e3d7ab4793aeb05d18a82159c579e05c45fd71

SHA256
116e15e94d70dde65f91f155580bd9b34ff1956b9ebe1a53b6bce912b281c1f6

SHA512
0eeb242e6e1356a2a9e3183f12439ef36fac40e27ac8c0df5f591c7b3c1324145627c92c3fee15aedee2c1e8cc3b966152af73a33196166c2c1bfbbd979bdb5b

Download Submit
\Users\Admin\AppData\Local\2c725071-127d-4622-a5ba-ed6e1242265c\build2.exe

Filesize
383KB

MD5
8d7db6982df46c3b0f0cc879d892c08a

SHA1
64e3d7ab4793aeb05d18a82159c579e05c45fd71

SHA256
116e15e94d70dde65f91f155580bd9b34ff1956b9ebe1a53b6bce912b281c1f6

SHA512
0eeb242e6e1356a2a9e3183f12439ef36fac40e27ac8c0df5f591c7b3c1324145627c92c3fee15aedee2c1e8cc3b966152af73a33196166c2c1bfbbd979bdb5b

Download Submit
memory/524-86-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/524-94-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/524-92-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/964-57-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/964-59-0x0000000002210000-0x000000000232B000-memory.dmp

Filesize
1.1MB

Download
memory/964-54-0x0000000000220000-0x00000000002B1000-memory.dmp

Filesize
580KB

Download
memory/1404-73-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1404-95-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1404-80-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1796-71-0x00000000008D0000-0x0000000000961000-memory.dmp

Filesize
580KB

Download
memory/1796-67-0x00000000008D0000-0x0000000000961000-memory.dmp

Filesize
580KB

Download
memory/1860-55-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1860-60-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

Filesize
8KB

Download
memory/1860-61-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1860-62-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1860-66-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1996-88-0x00000000009FB000-0x0000000000A27000-memory.dmp

Filesize
176KB

Download
memory/1996-91-0x0000000000220000-0x0000000000269000-memory.dmp

Filesize
292KB

Download