Analysis
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max time kernel
145s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
03-04-2023 11:42
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
General
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Target
setup.exe
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Size
694KB
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MD5
629d744dcc7fe6b57e76979833f8499a
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SHA1
b82526d6281e68fe0498d17fddc3a251ba92544f
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SHA256
3853f8e43a5fa3145d7b35a689cbc6e419ea576600b65062beed7d8cba279ed4
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SHA512
63aa8c2cf223a3ef8f569b224725ae9b3fd2f07353e35e691dc2cc97eae8b911fa8daa8d003c764d8233da7af367f14447946610ee963916c5650534872292d8
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SSDEEP
12288:M6qQySPKq2IgaXpZUBvZdJpUV4dCz7BG4uFB:M6qQvKq2jaZ+lJroW
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.niwm
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offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.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-v8HcfXTy5x 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: 0681SUjhw
Extracted
vidar
3.2
5df88deb5dde677ba658b77ad5f60248
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
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profile_id_v2
5df88deb5dde677ba658b77ad5f60248
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Signatures
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Detected Djvu ransomware 16 IoCs
Processes:
resource yara_rule behavioral2/memory/3164-134-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3164-135-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4628-136-0x00000000020D0000-0x00000000021EB000-memory.dmp family_djvu behavioral2/memory/3164-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3164-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3164-147-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1680-151-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1680-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1680-153-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1680-156-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1680-157-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1680-161-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1680-163-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1680-164-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1680-190-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1680-273-0x0000000000400000-0x0000000000537000-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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Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
setup.exesetup.exebuild2.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation setup.exe Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation setup.exe Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation build2.exe -
Executes dropped EXE 4 IoCs
Processes:
build2.exebuild2.exebuild3.exemstsca.exepid process 1664 build2.exe 1888 build2.exe 2660 build3.exe 556 mstsca.exe -
Loads dropped DLL 2 IoCs
Processes:
build2.exepid process 1888 build2.exe 1888 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
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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
Processes:
setup.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\531e5344-9fe9-4152-ae8a-dd514928c476\\setup.exe\" --AutoStart" setup.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 2 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 -
Suspicious use of SetThreadContext 3 IoCs
Processes:
setup.exesetup.exebuild2.exedescription pid process target process PID 4628 set thread context of 3164 4628 setup.exe setup.exe PID 4864 set thread context of 1680 4864 setup.exe setup.exe PID 1664 set thread context of 1888 1664 build2.exe build2.exe -
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.
Processes:
build2.exedescription 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.
Processes:
schtasks.exeschtasks.exepid process 3952 schtasks.exe 4480 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 3484 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
setup.exesetup.exebuild2.exepid process 3164 setup.exe 3164 setup.exe 1680 setup.exe 1680 setup.exe 1888 build2.exe 1888 build2.exe -
Suspicious use of WriteProcessMemory 53 IoCs
Processes:
setup.exesetup.exesetup.exesetup.exebuild2.exebuild3.exebuild2.execmd.exemstsca.exedescription pid process target process PID 4628 wrote to memory of 3164 4628 setup.exe setup.exe PID 4628 wrote to memory of 3164 4628 setup.exe setup.exe PID 4628 wrote to memory of 3164 4628 setup.exe setup.exe PID 4628 wrote to memory of 3164 4628 setup.exe setup.exe PID 4628 wrote to memory of 3164 4628 setup.exe setup.exe PID 4628 wrote to memory of 3164 4628 setup.exe setup.exe PID 4628 wrote to memory of 3164 4628 setup.exe setup.exe PID 4628 wrote to memory of 3164 4628 setup.exe setup.exe PID 4628 wrote to memory of 3164 4628 setup.exe setup.exe PID 4628 wrote to memory of 3164 4628 setup.exe setup.exe PID 3164 wrote to memory of 3604 3164 setup.exe icacls.exe PID 3164 wrote to memory of 3604 3164 setup.exe icacls.exe PID 3164 wrote to memory of 3604 3164 setup.exe icacls.exe PID 3164 wrote to memory of 4864 3164 setup.exe setup.exe PID 3164 wrote to memory of 4864 3164 setup.exe setup.exe PID 3164 wrote to memory of 4864 3164 setup.exe setup.exe PID 4864 wrote to memory of 1680 4864 setup.exe setup.exe PID 4864 wrote to memory of 1680 4864 setup.exe setup.exe PID 4864 wrote to memory of 1680 4864 setup.exe setup.exe PID 4864 wrote to memory of 1680 4864 setup.exe setup.exe PID 4864 wrote to memory of 1680 4864 setup.exe setup.exe PID 4864 wrote to memory of 1680 4864 setup.exe setup.exe PID 4864 wrote to memory of 1680 4864 setup.exe setup.exe PID 4864 wrote to memory of 1680 4864 setup.exe setup.exe PID 4864 wrote to memory of 1680 4864 setup.exe setup.exe PID 4864 wrote to memory of 1680 4864 setup.exe setup.exe PID 1680 wrote to memory of 1664 1680 setup.exe build2.exe PID 1680 wrote to memory of 1664 1680 setup.exe build2.exe PID 1680 wrote to memory of 1664 1680 setup.exe build2.exe PID 1664 wrote to memory of 1888 1664 build2.exe build2.exe PID 1664 wrote to memory of 1888 1664 build2.exe build2.exe PID 1664 wrote to memory of 1888 1664 build2.exe build2.exe PID 1664 wrote to memory of 1888 1664 build2.exe build2.exe PID 1664 wrote to memory of 1888 1664 build2.exe build2.exe PID 1664 wrote to memory of 1888 1664 build2.exe build2.exe PID 1664 wrote to memory of 1888 1664 build2.exe build2.exe PID 1664 wrote to memory of 1888 1664 build2.exe build2.exe PID 1664 wrote to memory of 1888 1664 build2.exe build2.exe PID 1680 wrote to memory of 2660 1680 setup.exe build3.exe PID 1680 wrote to memory of 2660 1680 setup.exe build3.exe PID 1680 wrote to memory of 2660 1680 setup.exe build3.exe PID 2660 wrote to memory of 3952 2660 build3.exe schtasks.exe PID 2660 wrote to memory of 3952 2660 build3.exe schtasks.exe PID 2660 wrote to memory of 3952 2660 build3.exe schtasks.exe PID 1888 wrote to memory of 436 1888 build2.exe cmd.exe PID 1888 wrote to memory of 436 1888 build2.exe cmd.exe PID 1888 wrote to memory of 436 1888 build2.exe cmd.exe PID 436 wrote to memory of 3484 436 cmd.exe timeout.exe PID 436 wrote to memory of 3484 436 cmd.exe timeout.exe PID 436 wrote to memory of 3484 436 cmd.exe timeout.exe PID 556 wrote to memory of 4480 556 mstsca.exe schtasks.exe PID 556 wrote to memory of 4480 556 mstsca.exe schtasks.exe PID 556 wrote to memory of 4480 556 mstsca.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4628 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3164 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\531e5344-9fe9-4152-ae8a-dd514928c476" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:3604
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C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4864 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Users\Admin\AppData\Local\a5864fce-1c89-4763-a763-e85a2debdf85\build2.exe"C:\Users\Admin\AppData\Local\a5864fce-1c89-4763-a763-e85a2debdf85\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Users\Admin\AppData\Local\a5864fce-1c89-4763-a763-e85a2debdf85\build2.exe"C:\Users\Admin\AppData\Local\a5864fce-1c89-4763-a763-e85a2debdf85\build2.exe"6⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1888 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\a5864fce-1c89-4763-a763-e85a2debdf85\build2.exe" & exit7⤵
- Suspicious use of WriteProcessMemory
PID:436 -
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:3484
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C:\Users\Admin\AppData\Local\a5864fce-1c89-4763-a763-e85a2debdf85\build3.exe"C:\Users\Admin\AppData\Local\a5864fce-1c89-4763-a763-e85a2debdf85\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2660 -
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:3952
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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:556 -
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:4480
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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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Filesize
694KB
MD5629d744dcc7fe6b57e76979833f8499a
SHA1b82526d6281e68fe0498d17fddc3a251ba92544f
SHA2563853f8e43a5fa3145d7b35a689cbc6e419ea576600b65062beed7d8cba279ed4
SHA51263aa8c2cf223a3ef8f569b224725ae9b3fd2f07353e35e691dc2cc97eae8b911fa8daa8d003c764d8233da7af367f14447946610ee963916c5650534872292d8
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Filesize
416KB
MD5aa18968e6cfbdc382ada6a3ed2852085
SHA14a41fa1a182916d5790aa2071106b3441d64468d
SHA256c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb
SHA5128ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845
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Filesize
416KB
MD5aa18968e6cfbdc382ada6a3ed2852085
SHA14a41fa1a182916d5790aa2071106b3441d64468d
SHA256c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb
SHA5128ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845
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Filesize
416KB
MD5aa18968e6cfbdc382ada6a3ed2852085
SHA14a41fa1a182916d5790aa2071106b3441d64468d
SHA256c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb
SHA5128ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845
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Filesize
416KB
MD5aa18968e6cfbdc382ada6a3ed2852085
SHA14a41fa1a182916d5790aa2071106b3441d64468d
SHA256c165c8db38ef8dd8c33d103b5ee78e9ddafd8081ff0c7c035fa5251f970e6cfb
SHA5128ffdacca2b003438fd4874e7c88beedb6ad8cf9cd5b36fda5907751e06a85a829e7d9ce7335fb59590462f78054722bccba511b21db838368c661d993000a845
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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
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Filesize
9KB
MD59ead10c08e72ae41921191f8db39bc16
SHA1abe3bce01cd34afc88e2c838173f8c2bd0090ae1
SHA2568d7f0e6b6877bdfb9f4531afafd0451f7d17f0ac24e2f2427e9b4ecc5452b9f0
SHA512aa35dbc59a3589df2763e76a495ce5a9e62196628b4c1d098add38bd7f27c49edf93a66fb8507fb746e37ee32932da2460e440f241abe1a5a279abcc1e5ffe4a