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
25/04/2023, 17:25
Static task
static1
Behavioral task
behavioral1
Sample
1.bin.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
1.bin.exe
Resource
win10v2004-20230220-en
General
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Target
1.bin.exe
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Size
742KB
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MD5
d24c537fb5eb6d0971b50bd0a7ae069e
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SHA1
1e48205e2e4e8e013e4010b7bb99d642567a5860
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SHA256
505b1ba56111898bec9423264ff12643c5e793fbcdbc2559bc9694cee990bec1
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SHA512
e7c8cb2e4a1f0b0faeba22e62588310990a56a89e32ba61b056283b85ad4f091843b645414527d48410601569d4be1e68cbe07d7cb74ebaccc552acf669a826b
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SSDEEP
12288:oKVoCbfsRzMz20j5Ex89MIgjgzwgWv9zXcgaHCuIAxOZK6VM9D7XB1:oKVoCbEgjexp9UUryHCuI2OZBqR
Malware Config
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.coty
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offline_id
O8Ao46dcCReRPC4I1PGMYsRFFc9WI5eOp0O3MFt1
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payload_url
http://colisumy.com/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-EPBZCVAS8s 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: 0692JOsie
Extracted
vidar
3.6
5cb879265de0011bfc7588d5d251aee6
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
5cb879265de0011bfc7588d5d251aee6
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user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Signatures
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Detected Djvu ransomware 16 IoCs
resource yara_rule behavioral2/memory/3792-134-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/1988-136-0x0000000004A10000-0x0000000004B2B000-memory.dmp family_djvu behavioral2/memory/3792-135-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3792-137-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3792-138-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/3792-147-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4064-151-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4064-152-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4064-153-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4064-158-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4064-159-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4064-163-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4064-165-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4064-166-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4064-188-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral2/memory/4064-279-0x0000000000400000-0x0000000000537000-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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 1.bin.exe Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation build2.exe Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation 1.bin.exe -
Executes dropped EXE 4 IoCs
pid Process 4996 build2.exe 4080 build3.exe 5028 build2.exe 5004 mstsca.exe -
Loads dropped DLL 2 IoCs
pid Process 5028 build2.exe 5028 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 360 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-1-5-21-2275444769-3691835758-4097679484-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\4f7cf685-80e0-48d5-a989-70ae6b1025ba\\1.bin.exe\" --AutoStart" 1.bin.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 7 api.2ip.ua 8 api.2ip.ua 24 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 1988 set thread context of 3792 1988 1.bin.exe 85 PID 460 set thread context of 4064 460 1.bin.exe 89 PID 4996 set thread context of 5028 4996 build2.exe 98 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 5064 schtasks.exe 5040 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 2672 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3792 1.bin.exe 3792 1.bin.exe 4064 1.bin.exe 4064 1.bin.exe 5028 build2.exe 5028 build2.exe -
Suspicious use of WriteProcessMemory 53 IoCs
description pid Process procid_target PID 1988 wrote to memory of 3792 1988 1.bin.exe 85 PID 1988 wrote to memory of 3792 1988 1.bin.exe 85 PID 1988 wrote to memory of 3792 1988 1.bin.exe 85 PID 1988 wrote to memory of 3792 1988 1.bin.exe 85 PID 1988 wrote to memory of 3792 1988 1.bin.exe 85 PID 1988 wrote to memory of 3792 1988 1.bin.exe 85 PID 1988 wrote to memory of 3792 1988 1.bin.exe 85 PID 1988 wrote to memory of 3792 1988 1.bin.exe 85 PID 1988 wrote to memory of 3792 1988 1.bin.exe 85 PID 1988 wrote to memory of 3792 1988 1.bin.exe 85 PID 3792 wrote to memory of 360 3792 1.bin.exe 86 PID 3792 wrote to memory of 360 3792 1.bin.exe 86 PID 3792 wrote to memory of 360 3792 1.bin.exe 86 PID 3792 wrote to memory of 460 3792 1.bin.exe 87 PID 3792 wrote to memory of 460 3792 1.bin.exe 87 PID 3792 wrote to memory of 460 3792 1.bin.exe 87 PID 460 wrote to memory of 4064 460 1.bin.exe 89 PID 460 wrote to memory of 4064 460 1.bin.exe 89 PID 460 wrote to memory of 4064 460 1.bin.exe 89 PID 460 wrote to memory of 4064 460 1.bin.exe 89 PID 460 wrote to memory of 4064 460 1.bin.exe 89 PID 460 wrote to memory of 4064 460 1.bin.exe 89 PID 460 wrote to memory of 4064 460 1.bin.exe 89 PID 460 wrote to memory of 4064 460 1.bin.exe 89 PID 460 wrote to memory of 4064 460 1.bin.exe 89 PID 460 wrote to memory of 4064 460 1.bin.exe 89 PID 4064 wrote to memory of 4996 4064 1.bin.exe 93 PID 4064 wrote to memory of 4996 4064 1.bin.exe 93 PID 4064 wrote to memory of 4996 4064 1.bin.exe 93 PID 4064 wrote to memory of 4080 4064 1.bin.exe 95 PID 4064 wrote to memory of 4080 4064 1.bin.exe 95 PID 4064 wrote to memory of 4080 4064 1.bin.exe 95 PID 4080 wrote to memory of 5064 4080 build3.exe 96 PID 4080 wrote to memory of 5064 4080 build3.exe 96 PID 4080 wrote to memory of 5064 4080 build3.exe 96 PID 4996 wrote to memory of 5028 4996 build2.exe 98 PID 4996 wrote to memory of 5028 4996 build2.exe 98 PID 4996 wrote to memory of 5028 4996 build2.exe 98 PID 4996 wrote to memory of 5028 4996 build2.exe 98 PID 4996 wrote to memory of 5028 4996 build2.exe 98 PID 4996 wrote to memory of 5028 4996 build2.exe 98 PID 4996 wrote to memory of 5028 4996 build2.exe 98 PID 4996 wrote to memory of 5028 4996 build2.exe 98 PID 4996 wrote to memory of 5028 4996 build2.exe 98 PID 5004 wrote to memory of 5040 5004 mstsca.exe 100 PID 5004 wrote to memory of 5040 5004 mstsca.exe 100 PID 5004 wrote to memory of 5040 5004 mstsca.exe 100 PID 5028 wrote to memory of 5068 5028 build2.exe 104 PID 5028 wrote to memory of 5068 5028 build2.exe 104 PID 5028 wrote to memory of 5068 5028 build2.exe 104 PID 5068 wrote to memory of 2672 5068 cmd.exe 106 PID 5068 wrote to memory of 2672 5068 cmd.exe 106 PID 5068 wrote to memory of 2672 5068 cmd.exe 106
Processes
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C:\Users\Admin\AppData\Local\Temp\1.bin.exe"C:\Users\Admin\AppData\Local\Temp\1.bin.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1988 -
C:\Users\Admin\AppData\Local\Temp\1.bin.exe"C:\Users\Admin\AppData\Local\Temp\1.bin.exe"2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3792 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\4f7cf685-80e0-48d5-a989-70ae6b1025ba" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:360
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C:\Users\Admin\AppData\Local\Temp\1.bin.exe"C:\Users\Admin\AppData\Local\Temp\1.bin.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:460 -
C:\Users\Admin\AppData\Local\Temp\1.bin.exe"C:\Users\Admin\AppData\Local\Temp\1.bin.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4064 -
C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe"C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4996 -
C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe"C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\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:5028 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build2.exe" & exit7⤵
- Suspicious use of WriteProcessMemory
PID:5068 -
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:2672
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C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build3.exe"C:\Users\Admin\AppData\Local\8ed1f46a-446e-4da9-9638-4b6ba6fe6029\build3.exe"5⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4080 -
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:5064
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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:5004 -
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:5040
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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
MD50a0291b9bdf89c7e506366a8be70a80c
SHA1a30ddab885654862ba0be0159155bc99945c053f
SHA25631631ce5dfb41c09757fbd14367f9e46dc012eed1b8d462e933a34c102441272
SHA512b0c29fd46693496d0bd726db2a615049c8cc2996bc38132a57878706a8ee022bbb964b3f9c9bb67e520a82f2144d352655287e015f3617c85fabf72f752e30d5
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD589d78eb124083dfc7d87ddbf1acdff7f
SHA1069a3b78c24057041ccbd928672113f95523a17d
SHA256ad777b3e2ac62663252cfcd7495e832f1a043bc3e0e4ecda3abf1c291eedcb0c
SHA51234632fe51ac8fb71e52dd7490e01a3e92bbcfa545cd0309d50cb1706f336e09d754b9df04913e6a0f91cbc374cdb365da29c0b29768b56410e82d310b5ba6ebe
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD528cc5f56a619a153e2b6c082a60ad598
SHA1ad2de2a51150b8fd56a06f5b20e60735d6fa0d59
SHA25687ad9b16406472020d46b1b6447635417fd71b2f80748fb7cb7a9d2ec759df2a
SHA5122d17c98881c1aebf53552c6bb836587ee4dfc035dee8b76a9545d0750686d65a914797eb29569c0569dcb98599cf86633e099a6534f8d4c6a28ff14be7cca670
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD5e591c7a4ae074025a59a77356bea200d
SHA1e96e0668d8b8f7f145773f6b7c4e9cff3d65066e
SHA256fccbb2357fb886c9935470c2ff4254850b36d1e4733351cd4f511a6f4dce2923
SHA51292cb773a453e8c9253bd764984f443494951c62615ecccd98827a09c8a69f64d49468279ffe880604d78854c898c55bbe1f15cceccc82edef9d9d18723e999d9
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Filesize
742KB
MD5d24c537fb5eb6d0971b50bd0a7ae069e
SHA11e48205e2e4e8e013e4010b7bb99d642567a5860
SHA256505b1ba56111898bec9423264ff12643c5e793fbcdbc2559bc9694cee990bec1
SHA512e7c8cb2e4a1f0b0faeba22e62588310990a56a89e32ba61b056283b85ad4f091843b645414527d48410601569d4be1e68cbe07d7cb74ebaccc552acf669a826b
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Filesize
453KB
MD5770db2929307f3de98c1944fcd4adf92
SHA1d84b969b5f77353f734ec251660b71f11f2a76bf
SHA256581304c1ecc96f13dc1fcd999afed03ce2844937b63f463269352d9ba60666cb
SHA5125bb5ac8146a540ea34aabee20b8f30a3b7fe1064f4cd18f1222aed63eb9a8a946c1e2c45a17b57e0e883ea578aacd255734aeb155451984c44ce1fb90cc66d03
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Filesize
453KB
MD5770db2929307f3de98c1944fcd4adf92
SHA1d84b969b5f77353f734ec251660b71f11f2a76bf
SHA256581304c1ecc96f13dc1fcd999afed03ce2844937b63f463269352d9ba60666cb
SHA5125bb5ac8146a540ea34aabee20b8f30a3b7fe1064f4cd18f1222aed63eb9a8a946c1e2c45a17b57e0e883ea578aacd255734aeb155451984c44ce1fb90cc66d03
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Filesize
453KB
MD5770db2929307f3de98c1944fcd4adf92
SHA1d84b969b5f77353f734ec251660b71f11f2a76bf
SHA256581304c1ecc96f13dc1fcd999afed03ce2844937b63f463269352d9ba60666cb
SHA5125bb5ac8146a540ea34aabee20b8f30a3b7fe1064f4cd18f1222aed63eb9a8a946c1e2c45a17b57e0e883ea578aacd255734aeb155451984c44ce1fb90cc66d03
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Filesize
453KB
MD5770db2929307f3de98c1944fcd4adf92
SHA1d84b969b5f77353f734ec251660b71f11f2a76bf
SHA256581304c1ecc96f13dc1fcd999afed03ce2844937b63f463269352d9ba60666cb
SHA5125bb5ac8146a540ea34aabee20b8f30a3b7fe1064f4cd18f1222aed63eb9a8a946c1e2c45a17b57e0e883ea578aacd255734aeb155451984c44ce1fb90cc66d03
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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