Analysis
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max time kernel
57s -
max time network
146s -
platform
windows10-1703_x64 -
resource
win10-20220812-en -
resource tags
arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system -
submitted
14/11/2022, 01:23
Static task
static1
Behavioral task
behavioral1
Sample
226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe
Resource
win10-20220812-en
General
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Target
226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe
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Size
672KB
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MD5
30766f1f5806db2e5f21a715ecd77741
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SHA1
7a8f1bc56fd3f288fbb88f4d9d1726fdfb87ebcc
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SHA256
226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f
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SHA512
8bde448eb6cf1d2491b2314694df229aa29ccb18732f64a46077c39a5c61bfbc5b15f042d5cad21c2a722d936ee9ff9786c887d759d44c136eeab105322bdaef
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SSDEEP
12288:3AJayP6wRLh8Al0mxhsp99sjWQHqe8Z+SjYZRFsZsKmAN7xk:tyP1R98c0mvKfsjTKe8Zx0Z4sJAN7xk
Malware Config
Extracted
djvu
http://fresherlights.com/test1/get.php
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extension
.fatp
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offline_id
5IRhyFuF3rXlXBvF6jAWjHEAnAb432icDCcvZyt1
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payload_url
http://uaery.top/dl/build2.exe
http://fresherlights.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-4wOUlYSwGo 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: 0601Jhyjd
Extracted
vidar
55.6
517
https://t.me/seclab_new
https://mas.to/@ofadex
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profile_id
517
Signatures
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Detected Djvu ransomware 9 IoCs
resource yara_rule behavioral1/memory/4940-145-0x00000000023F0000-0x000000000250B000-memory.dmp family_djvu behavioral1/memory/5060-146-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/5060-147-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/5060-153-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/5060-214-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/5060-246-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3168-273-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/3168-326-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3168-528-0x0000000000400000-0x0000000000537000-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 2 IoCs
pid Process 1268 build2.exe 816 build2.exe -
Loads dropped DLL 2 IoCs
pid Process 816 build2.exe 816 build2.exe -
Modifies file permissions 1 TTPs 1 IoCs
pid Process 428 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-1-5-21-1099808672-3828198950-1535142148-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\83ec7b1b-8fcb-4323-bf20-eeeccbeee6dc\\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe\" --AutoStart" 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.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 1 api.2ip.ua 2 api.2ip.ua 9 api.2ip.ua -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 4940 set thread context of 5060 4940 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 67 PID 3772 set thread context of 3168 3772 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 71 PID 1268 set thread context of 816 1268 build2.exe 73 -
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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString build2.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 build2.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 4120 timeout.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 5060 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 5060 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 3168 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 3168 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 816 build2.exe 816 build2.exe -
Suspicious use of WriteProcessMemory 44 IoCs
description pid Process procid_target PID 4940 wrote to memory of 5060 4940 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 67 PID 4940 wrote to memory of 5060 4940 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 67 PID 4940 wrote to memory of 5060 4940 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 67 PID 4940 wrote to memory of 5060 4940 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 67 PID 4940 wrote to memory of 5060 4940 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 67 PID 4940 wrote to memory of 5060 4940 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 67 PID 4940 wrote to memory of 5060 4940 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 67 PID 4940 wrote to memory of 5060 4940 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 67 PID 4940 wrote to memory of 5060 4940 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 67 PID 4940 wrote to memory of 5060 4940 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 67 PID 5060 wrote to memory of 428 5060 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 68 PID 5060 wrote to memory of 428 5060 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 68 PID 5060 wrote to memory of 428 5060 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 68 PID 5060 wrote to memory of 3772 5060 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 69 PID 5060 wrote to memory of 3772 5060 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 69 PID 5060 wrote to memory of 3772 5060 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 69 PID 3772 wrote to memory of 3168 3772 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 71 PID 3772 wrote to memory of 3168 3772 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 71 PID 3772 wrote to memory of 3168 3772 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 71 PID 3772 wrote to memory of 3168 3772 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 71 PID 3772 wrote to memory of 3168 3772 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 71 PID 3772 wrote to memory of 3168 3772 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 71 PID 3772 wrote to memory of 3168 3772 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 71 PID 3772 wrote to memory of 3168 3772 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 71 PID 3772 wrote to memory of 3168 3772 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 71 PID 3772 wrote to memory of 3168 3772 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 71 PID 3168 wrote to memory of 1268 3168 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 72 PID 3168 wrote to memory of 1268 3168 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 72 PID 3168 wrote to memory of 1268 3168 226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe 72 PID 1268 wrote to memory of 816 1268 build2.exe 73 PID 1268 wrote to memory of 816 1268 build2.exe 73 PID 1268 wrote to memory of 816 1268 build2.exe 73 PID 1268 wrote to memory of 816 1268 build2.exe 73 PID 1268 wrote to memory of 816 1268 build2.exe 73 PID 1268 wrote to memory of 816 1268 build2.exe 73 PID 1268 wrote to memory of 816 1268 build2.exe 73 PID 1268 wrote to memory of 816 1268 build2.exe 73 PID 1268 wrote to memory of 816 1268 build2.exe 73 PID 816 wrote to memory of 4668 816 build2.exe 74 PID 816 wrote to memory of 4668 816 build2.exe 74 PID 816 wrote to memory of 4668 816 build2.exe 74 PID 4668 wrote to memory of 4120 4668 cmd.exe 76 PID 4668 wrote to memory of 4120 4668 cmd.exe 76 PID 4668 wrote to memory of 4120 4668 cmd.exe 76
Processes
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C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe"C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4940 -
C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe"C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5060 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\83ec7b1b-8fcb-4323-bf20-eeeccbeee6dc" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:428
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C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe"C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3772 -
C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe"C:\Users\Admin\AppData\Local\Temp\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3168 -
C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe"C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe"5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1268 -
C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe"C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe"6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:816 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\0082668a-df27-4ca9-bea6-4f9d136ac9d6\build2.exe" & exit7⤵
- Suspicious use of WriteProcessMemory
PID:4668 -
C:\Windows\SysWOW64\timeout.exetimeout /t 68⤵
- Delays execution with timeout.exe
PID:4120
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize2KB
MD5b00f59ce59a95f5fe629aff007e982fa
SHA18eb54eb49c540b80dba22e0a863f8122b48df410
SHA256d3559d4f89073b9bd7764d42e0fd258f78d98b5344af368056696f5fb6a87c46
SHA5126317a36087f2166e5a77a5761d7ad662c76b2989840af4e89e8a93845c8c7f47e6a26341be77db39ca687aacb5e50ad3730a5ee4b6d76669637b676a31b0efb3
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize1KB
MD58245d5e076774cc6f63bf77f4650bf3b
SHA12efdf2d5967e180eb13f9633094b617e4e1a8656
SHA256b4247c5d4cedfc5c553005c58ea254e62b12ced6a28a183fcc3823e4d1cfbc53
SHA512a2eb33bdb4f996bb67508b8add8f042bf26223f427caefa1ef1388cdecd6f15eecbc197d88a59e64f1a0f7e8a14983ab96bbe6463f2cadf39e6637679f34ad54
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
Filesize488B
MD51b3936fe8895b7911e33095910fc414a
SHA1c530dc260f4bffd224b1d18116b5611c6afdbf16
SHA2562281f3aad45c68f6c98cd188db1d049a5e13bc5d090e88fc9f187f647f48d427
SHA5121fa34d850c842f7ef865d9528e64de948d780d6863b51107e9987f9cda6067ad4ebf3664d0fb57b0353f8288f51574fb7ad779df9e47da894d82550bf07e334d
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
Filesize482B
MD534b0b3fef6d7fe5131bbf05c0e6f689c
SHA1c4af849d7d340b5e13cd3499e5e7f6e7c9af000f
SHA2568e6b445fc9b43d8aabf1e1661f00397288c9aa49177d2b6f9bf1bdff0f412b5d
SHA512bf0abc1cc3b60e281514baaa03594871e1fc443e718baf10eb13f692ba36ca91b97e5993fd4ae5c8342d8cd8fcda6bb0ea456794a820fd9a89025505efc7d948
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Filesize
301KB
MD59964dec7f63403963374ebae4ba27e44
SHA151c8d242bbbc34b9d0135bcdaa53b5e78449b73d
SHA2560b98114cfbe3e32c681ebb5a4a867391da2d235b771227af97f46825b95de3f2
SHA51241cc95c052b85997c47cceaa0665788607b577005e93ae08b48b54d10a3ead190f56219238d3579e45ce18601220474f8e860ad8efb1d22c475070d79c202937
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Filesize
301KB
MD59964dec7f63403963374ebae4ba27e44
SHA151c8d242bbbc34b9d0135bcdaa53b5e78449b73d
SHA2560b98114cfbe3e32c681ebb5a4a867391da2d235b771227af97f46825b95de3f2
SHA51241cc95c052b85997c47cceaa0665788607b577005e93ae08b48b54d10a3ead190f56219238d3579e45ce18601220474f8e860ad8efb1d22c475070d79c202937
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Filesize
301KB
MD59964dec7f63403963374ebae4ba27e44
SHA151c8d242bbbc34b9d0135bcdaa53b5e78449b73d
SHA2560b98114cfbe3e32c681ebb5a4a867391da2d235b771227af97f46825b95de3f2
SHA51241cc95c052b85997c47cceaa0665788607b577005e93ae08b48b54d10a3ead190f56219238d3579e45ce18601220474f8e860ad8efb1d22c475070d79c202937
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C:\Users\Admin\AppData\Local\83ec7b1b-8fcb-4323-bf20-eeeccbeee6dc\226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f.exe
Filesize672KB
MD530766f1f5806db2e5f21a715ecd77741
SHA17a8f1bc56fd3f288fbb88f4d9d1726fdfb87ebcc
SHA256226f5170c57af4a299dfe368325abbeea53d961e071e4dfdbf7d9e919d32d75f
SHA5128bde448eb6cf1d2491b2314694df229aa29ccb18732f64a46077c39a5c61bfbc5b15f042d5cad21c2a722d936ee9ff9786c887d759d44c136eeab105322bdaef
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571