Analysis
-
max time kernel
121s -
max time network
128s -
platform
windows10_x64 -
resource
win10-en-20211014 -
submitted
06-12-2021 09:52
Static task
static1
Behavioral task
behavioral1
Sample
443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe
Resource
win10-en-20211014
General
-
Target
443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe
-
Size
826KB
-
MD5
0dc94c35fd5d82bf6a3488e2336fa67c
-
SHA1
ab4373f78b4428009f40c4e262f5d5c98434b41f
-
SHA256
443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff
-
SHA512
77a64d64bdb30ddcdc7288a40c1a0321402b62f8f6b8a57f8fad86b8cfbbb240c851e1132e5a5796b8a9e83994a6e0b250c482a0b8d1af7fc1118c9c01eb6188
Malware Config
Extracted
djvu
http://tzgl.org/lancer/get.php
-
extension
.hgsh
-
offline_id
gYuqQ5GsAaJom08TivUVhlPzZDKd916x4NcXrWt1
-
payload_url
http://kotob.top/dl/build2.exe
http://tzgl.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-m8LBBi8x8F 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: 0358Sigrj
Signatures
-
Detected Djvu ransomware 6 IoCs
Processes:
resource yara_rule behavioral1/memory/3772-116-0x0000000002310000-0x000000000242B000-memory.dmp family_djvu behavioral1/memory/4072-117-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4072-118-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/4072-119-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/500-125-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/500-130-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
-
Modifies file permissions 1 TTPs 1 IoCs
-
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\8937a691-0c73-4d05-910b-df6969577282\\443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe\" --AutoStart" 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.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.
Processes:
flow ioc 10 api.2ip.ua 11 api.2ip.ua 16 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exedescription pid process target process PID 3772 set thread context of 4072 3772 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3700 set thread context of 500 3700 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Processes:
443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exepid process 4072 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 4072 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 500 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 500 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exedescription pid process target process PID 3772 wrote to memory of 4072 3772 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3772 wrote to memory of 4072 3772 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3772 wrote to memory of 4072 3772 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3772 wrote to memory of 4072 3772 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3772 wrote to memory of 4072 3772 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3772 wrote to memory of 4072 3772 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3772 wrote to memory of 4072 3772 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3772 wrote to memory of 4072 3772 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3772 wrote to memory of 4072 3772 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3772 wrote to memory of 4072 3772 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 4072 wrote to memory of 1300 4072 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe icacls.exe PID 4072 wrote to memory of 1300 4072 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe icacls.exe PID 4072 wrote to memory of 1300 4072 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe icacls.exe PID 4072 wrote to memory of 3700 4072 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 4072 wrote to memory of 3700 4072 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 4072 wrote to memory of 3700 4072 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3700 wrote to memory of 500 3700 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3700 wrote to memory of 500 3700 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3700 wrote to memory of 500 3700 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3700 wrote to memory of 500 3700 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3700 wrote to memory of 500 3700 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3700 wrote to memory of 500 3700 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3700 wrote to memory of 500 3700 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3700 wrote to memory of 500 3700 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3700 wrote to memory of 500 3700 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe PID 3700 wrote to memory of 500 3700 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe 443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe"C:\Users\Admin\AppData\Local\Temp\443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3772 -
C:\Users\Admin\AppData\Local\Temp\443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe"C:\Users\Admin\AppData\Local\Temp\443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe"2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4072 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\8937a691-0c73-4d05-910b-df6969577282" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:1300
-
-
C:\Users\Admin\AppData\Local\Temp\443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe"C:\Users\Admin\AppData\Local\Temp\443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3700 -
C:\Users\Admin\AppData\Local\Temp\443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe"C:\Users\Admin\AppData\Local\Temp\443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:500
-
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD51c63500df0b57e29edd1a5867d9f0e9b
SHA10475a0611ac4d171e90b46303b96317fc186b15d
SHA256c8f7c1bd12b80996707a806866379d91dc3008d5d2b0eeeb6d97d418aeeb7914
SHA51229b914ffe63496d98e8ffb76afde49702888743c88bd0fc6aabdf3e8855e3a5389d933a29ccb4564e8d3198c159a1debfb56d6f39f428689f8eb4d497b341bde
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD565052acb8dc97b38007797064162c9a1
SHA1862cf5f74d74b85103b088650a230ed0c6d32df3
SHA256ef406913c83356f132bbc250646c24befee2acfdabbc9debcbca68c1da01a30f
SHA512976f4bd21af190164d04534f4e534d44e14fd5d3c6798421f84ead4e0a53f25d386d4b59bfe0c7c5865af4f22593d975d6b48292b024a4b6ca0d65ff6ee735bd
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD55f7e270ccc174c5f20e0e7667a242dff
SHA1ea2480244787a3ac7a6f08dcba9b7c2bd6754f0c
SHA2566efd3591eaca8912fcd034ccb7a096d0fa21fff9ac6dc39093503ac4bf90706e
SHA512a9432ba30ac1bf754db05a409150bc766f0d7bd59be3a62c9554758e84249baf88abdc7eaf6c63d5c781f879ae4d6d1400effc18c6470930b645fd62bc7b96c2
-
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD53f75a172fb55a92e7d21b9d622223506
SHA1b4c0428901e44ee61bc5c5b885f5248232feffa6
SHA256d525eb888ffefcf487628849257b2b5b5f6154fb3c159d59b0d35dffa76fb37a
SHA5124b42d07108f7c818b16713a2d5d0b78f71c56364043a5a039c1a039cffe2647ae066f2117e83f2e3d621abdaf20541fc8f8d709527ddfee7b61d4ee7171cf356
-
C:\Users\Admin\AppData\Local\8937a691-0c73-4d05-910b-df6969577282\443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff.exe
MD50dc94c35fd5d82bf6a3488e2336fa67c
SHA1ab4373f78b4428009f40c4e262f5d5c98434b41f
SHA256443db00f0bb445cd237019c97f3000d17b53b5ceac6b63ec1996e4df10d0c3ff
SHA51277a64d64bdb30ddcdc7288a40c1a0321402b62f8f6b8a57f8fad86b8cfbbb240c851e1132e5a5796b8a9e83994a6e0b250c482a0b8d1af7fc1118c9c01eb6188