Analysis
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max time kernel
79s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
01/10/2022, 08:42
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
General
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Target
file.exe
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Size
663KB
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MD5
a54364a9cfb0432b809edb31eff09060
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SHA1
57480ed8ca4cc175f1bcabf76e6af29c9ed72e95
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SHA256
17b039e4983a63603f4870bcd36e7be0e08b86a9aa84601b49d76fa7f6613482
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SHA512
39e7b3a222aeb0c53b2c4737c2a331e05b4cb57a068435665dc78533ec96619800540b6e2b6869884c9f27809c31f41e81895f28b6529cb00d83753dcda7ec22
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SSDEEP
12288:QTtqle8To+CrQ7+1hyNMsjOvy9W+z+naY1AFB+gxry3ohs+ybF6:QT0c8EzUNb6vy9ptY1AGq23o6+OF6
Malware Config
Extracted
djvu
http://winnlinne.com/test3/get.php
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extension
.ofoq
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offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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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-EWKSsSJiVn 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: 0568Jhyjd
Extracted
vidar
54.7
517
https://t.me/trampapanam
https://nerdculture.de/@yoxhyp
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profile_id
517
Signatures
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Detected Djvu ransomware 10 IoCs
resource yara_rule behavioral2/memory/2520-133-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3980-136-0x0000000002310000-0x000000000242B000-memory.dmp family_djvu behavioral2/memory/2520-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2520-134-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2520-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/2520-142-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1848-146-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1848-147-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1848-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1848-153-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Downloads MZ/PE file
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Executes dropped EXE 4 IoCs
pid Process 728 build2.exe 3392 build3.exe 4104 build2.exe 256 mstsca.exe -
Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation file.exe Key value queried \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation build2.exe -
Loads dropped DLL 2 IoCs
pid Process 4104 build2.exe 4104 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 404 icacls.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\134f28b6-35f6-4209-b2bc-0fedd791b8dc\\file.exe\" --AutoStart" file.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 10 api.2ip.ua 11 api.2ip.ua 24 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 3980 set thread context of 2520 3980 file.exe 84 PID 2076 set thread context of 1848 2076 file.exe 91 PID 728 set thread context of 4104 728 build2.exe 100 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 build2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString build2.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4456 schtasks.exe 2120 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3924 timeout.exe -
Kills process with taskkill 1 IoCs
pid Process 216 taskkill.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2520 file.exe 2520 file.exe 1848 file.exe 1848 file.exe 4104 build2.exe 4104 build2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 216 taskkill.exe -
Suspicious use of WriteProcessMemory 56 IoCs
description pid Process procid_target PID 3980 wrote to memory of 2520 3980 file.exe 84 PID 3980 wrote to memory of 2520 3980 file.exe 84 PID 3980 wrote to memory of 2520 3980 file.exe 84 PID 3980 wrote to memory of 2520 3980 file.exe 84 PID 3980 wrote to memory of 2520 3980 file.exe 84 PID 3980 wrote to memory of 2520 3980 file.exe 84 PID 3980 wrote to memory of 2520 3980 file.exe 84 PID 3980 wrote to memory of 2520 3980 file.exe 84 PID 3980 wrote to memory of 2520 3980 file.exe 84 PID 3980 wrote to memory of 2520 3980 file.exe 84 PID 2520 wrote to memory of 404 2520 file.exe 87 PID 2520 wrote to memory of 404 2520 file.exe 87 PID 2520 wrote to memory of 404 2520 file.exe 87 PID 2520 wrote to memory of 2076 2520 file.exe 88 PID 2520 wrote to memory of 2076 2520 file.exe 88 PID 2520 wrote to memory of 2076 2520 file.exe 88 PID 2076 wrote to memory of 1848 2076 file.exe 91 PID 2076 wrote to memory of 1848 2076 file.exe 91 PID 2076 wrote to memory of 1848 2076 file.exe 91 PID 2076 wrote to memory of 1848 2076 file.exe 91 PID 2076 wrote to memory of 1848 2076 file.exe 91 PID 2076 wrote to memory of 1848 2076 file.exe 91 PID 2076 wrote to memory of 1848 2076 file.exe 91 PID 2076 wrote to memory of 1848 2076 file.exe 91 PID 2076 wrote to memory of 1848 2076 file.exe 91 PID 2076 wrote to memory of 1848 2076 file.exe 91 PID 1848 wrote to memory of 728 1848 file.exe 96 PID 1848 wrote to memory of 728 1848 file.exe 96 PID 1848 wrote to memory of 728 1848 file.exe 96 PID 1848 wrote to memory of 3392 1848 file.exe 97 PID 1848 wrote to memory of 3392 1848 file.exe 97 PID 1848 wrote to memory of 3392 1848 file.exe 97 PID 3392 wrote to memory of 4456 3392 build3.exe 98 PID 3392 wrote to memory of 4456 3392 build3.exe 98 PID 3392 wrote to memory of 4456 3392 build3.exe 98 PID 728 wrote to memory of 4104 728 build2.exe 100 PID 728 wrote to memory of 4104 728 build2.exe 100 PID 728 wrote to memory of 4104 728 build2.exe 100 PID 728 wrote to memory of 4104 728 build2.exe 100 PID 728 wrote to memory of 4104 728 build2.exe 100 PID 728 wrote to memory of 4104 728 build2.exe 100 PID 728 wrote to memory of 4104 728 build2.exe 100 PID 728 wrote to memory of 4104 728 build2.exe 100 PID 728 wrote to memory of 4104 728 build2.exe 100 PID 4104 wrote to memory of 452 4104 build2.exe 102 PID 4104 wrote to memory of 452 4104 build2.exe 102 PID 4104 wrote to memory of 452 4104 build2.exe 102 PID 452 wrote to memory of 216 452 cmd.exe 105 PID 452 wrote to memory of 216 452 cmd.exe 105 PID 452 wrote to memory of 216 452 cmd.exe 105 PID 452 wrote to memory of 3924 452 cmd.exe 106 PID 452 wrote to memory of 3924 452 cmd.exe 106 PID 452 wrote to memory of 3924 452 cmd.exe 106 PID 256 wrote to memory of 2120 256 mstsca.exe 113 PID 256 wrote to memory of 2120 256 mstsca.exe 113 PID 256 wrote to memory of 2120 256 mstsca.exe 113
Processes
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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:3980 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\134f28b6-35f6-4209-b2bc-0fedd791b8dc" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:404
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2076 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1848 -
C:\Users\Admin\AppData\Local\72d08918-8b66-4005-97d1-68961abcb97d\build2.exe"C:\Users\Admin\AppData\Local\72d08918-8b66-4005-97d1-68961abcb97d\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:728 -
C:\Users\Admin\AppData\Local\72d08918-8b66-4005-97d1-68961abcb97d\build2.exe"C:\Users\Admin\AppData\Local\72d08918-8b66-4005-97d1-68961abcb97d\build2.exe"6⤵
- Executes dropped EXE
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4104 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" S/c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\72d08918-8b66-4005-97d1-68961abcb97d\build2.exe" & del C:\PrograData\*.dll & exit7⤵
- Suspicious use of WriteProcessMemory
PID:452 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im build2.exe /f8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:216
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C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:3924
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C:\Users\Admin\AppData\Local\72d08918-8b66-4005-97d1-68961abcb97d\build3.exe"C:\Users\Admin\AppData\Local\72d08918-8b66-4005-97d1-68961abcb97d\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3392 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"6⤵
- Creates scheduled task(s)
PID:4456
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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exeC:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:256 -
C:\Windows\SysWOW64\schtasks.exe/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"2⤵
- Creates scheduled task(s)
PID:2120
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD55f0a548198075b4cd8c891c5c0f45e4c
SHA1c3dd48a91f5a4dfbecd2a9e5802a8e5d8623aab6
SHA256bcb8d4f0e605ffe557f9f3d23291e2212f39acfa1df9f24331a4075810555839
SHA5128ade693197f9ca350f7c549312de77d70ef362dd3772a9ebb86c30dc7311d047bac0b9e1b517001b4e470271f7f181313f87eeae5b7a71ec5b7be5380525e22f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD5cb19ea31ccbd0203dd87e096916c57fa
SHA1cab9da6765c414006fc24a26afe3d9faed3da46c
SHA256f2c2e4c4cb0138ea54016a5b4e248a37f10c3ce22ad3ac85f8509a9692d0394b
SHA51220b5e6d75aa6340e47bb723541ede1ca9a54b8df916e3b9ae6e27ae869dfd13605feb400e0c847974594e126b9852dcb1785f55fc93ba10abcdef93ef71f5b36
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD5821a1322a914acc67f5e74818fee9a28
SHA1cbdc1c5a29023acd564d6dfca15ad2836148ba22
SHA25612eabe4e40d63684081561a4f3bacabac4ecad9c6ca7de848f093fbdc16f8944
SHA5126acf7f58cafeb87c5ec815b6eeb3a2b41a2c7f1a07171a7d4f1840642a456b73c9f55424ef3dd55abc603b4167281a031a6057c7573004e3c5dfe364b3c8551b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD50f045b2e5449839e1ccd577dc96ab00b
SHA1731b291e1c1a9b5a88cec250324c824c501ca9fc
SHA256621c9e2a50db237f61e334c2f6624574774b618b8ef4003e11ca25dd2476fba2
SHA512caa587fbf122e918d41634be1bb8d34a9c9947a211e743e05d9293abc32de601ad6434fc98fbbb303b71ddd0b540923248e35c008ed91e3effb53c286f65092d
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Filesize
663KB
MD5a54364a9cfb0432b809edb31eff09060
SHA157480ed8ca4cc175f1bcabf76e6af29c9ed72e95
SHA25617b039e4983a63603f4870bcd36e7be0e08b86a9aa84601b49d76fa7f6613482
SHA51239e7b3a222aeb0c53b2c4737c2a331e05b4cb57a068435665dc78533ec96619800540b6e2b6869884c9f27809c31f41e81895f28b6529cb00d83753dcda7ec22
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Filesize
418KB
MD5bc47d3a0d4a74adc40b3a7035344becb
SHA1dd80bbe70106b62ea58924173a364cc936a0b1f4
SHA25606d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
SHA5124a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4
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Filesize
418KB
MD5bc47d3a0d4a74adc40b3a7035344becb
SHA1dd80bbe70106b62ea58924173a364cc936a0b1f4
SHA25606d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
SHA5124a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4
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Filesize
418KB
MD5bc47d3a0d4a74adc40b3a7035344becb
SHA1dd80bbe70106b62ea58924173a364cc936a0b1f4
SHA25606d1366df3628a010416384f7c77c493ac35f13ee05e010751708d681ebe5169
SHA5124a4ef35c5fcbfc5a6b86dd6235f8b1b4f048ee5b5bd74fd9173a65cd450ec0f58fcf74f5fd2e58dd5dee486c0e41c2523cd6d7528d56fc2627fbdf8b598a29e4
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a