Analysis
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max time kernel
110s -
max time network
126s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
27-11-2021 21:52
Static task
static1
Behavioral task
behavioral1
Sample
93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe
Resource
win10-en-20211104
General
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Target
93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe
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Size
833KB
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MD5
20e6ade48db909d6b7b4552e0913d39d
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SHA1
53c08bccfc1fe30bd774c2685ec1746214999393
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SHA256
93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6
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SHA512
34dc43193668c23469fb54d55121c1f651b018c37effd7b54174614a70fb2befff31c9828aa4e8af95ca2d2626827c9d4bdf0cee330f97d673dece4e71b01c4b
Malware Config
Extracted
djvu
http://tzgl.org/fhsgtsspen6/get.php
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extension
.rigj
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offline_id
Z5GGASEfY71jtxU3i3E8kzvrTJmY9oiZkjcSm0t1
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payload_url
http://kotob.top/dl/build2.exe
http://tzgl.org/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-Tjb0YqckGX 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: 0353gSd743d
Signatures
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Detected Djvu ransomware 6 IoCs
Processes:
resource yara_rule behavioral1/memory/3088-119-0x00000000050A0000-0x00000000051BB000-memory.dmp family_djvu behavioral1/memory/4076-121-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/4076-120-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4076-122-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4528-128-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/4528-133-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Modifies file permissions 1 TTPs 1 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\600a9247-7cfc-434f-92c6-1012b6b07b1d\\93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe\" --AutoStart" 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.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 16 api.2ip.ua 17 api.2ip.ua 30 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exedescription pid process target process PID 3088 set thread context of 4076 3088 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3192 set thread context of 4528 3192 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exedescription ioc process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exepid process 4076 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 4076 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 4528 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 4528 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exedescription pid process target process PID 3088 wrote to memory of 4076 3088 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3088 wrote to memory of 4076 3088 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3088 wrote to memory of 4076 3088 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3088 wrote to memory of 4076 3088 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3088 wrote to memory of 4076 3088 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3088 wrote to memory of 4076 3088 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3088 wrote to memory of 4076 3088 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3088 wrote to memory of 4076 3088 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3088 wrote to memory of 4076 3088 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3088 wrote to memory of 4076 3088 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 4076 wrote to memory of 4564 4076 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe icacls.exe PID 4076 wrote to memory of 4564 4076 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe icacls.exe PID 4076 wrote to memory of 4564 4076 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe icacls.exe PID 4076 wrote to memory of 3192 4076 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 4076 wrote to memory of 3192 4076 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 4076 wrote to memory of 3192 4076 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3192 wrote to memory of 4528 3192 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3192 wrote to memory of 4528 3192 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3192 wrote to memory of 4528 3192 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3192 wrote to memory of 4528 3192 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3192 wrote to memory of 4528 3192 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3192 wrote to memory of 4528 3192 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3192 wrote to memory of 4528 3192 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3192 wrote to memory of 4528 3192 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3192 wrote to memory of 4528 3192 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe PID 3192 wrote to memory of 4528 3192 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe 93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe"C:\Users\Admin\AppData\Local\Temp\93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Users\Admin\AppData\Local\Temp\93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe"C:\Users\Admin\AppData\Local\Temp\93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe"2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4076 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\600a9247-7cfc-434f-92c6-1012b6b07b1d" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:4564
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C:\Users\Admin\AppData\Local\Temp\93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe"C:\Users\Admin\AppData\Local\Temp\93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3192 -
C:\Users\Admin\AppData\Local\Temp\93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe"C:\Users\Admin\AppData\Local\Temp\93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:4528
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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
MD59dc67b11ad67886d83ec9cbf7922f317
SHA1421eb58463bb0c726479bcc32f548de29991ebeb
SHA256d2f4acc07d8bf2b562029cc85eec1b52bd37be9f276a927f565610e109308ead
SHA512ea5995232251a3e161769484f6a49624f656ea94cc2545477daec56c3536736cee0f8554af535ca7a82e5fc687e5ee56c5955b32726b8c2c21d28c538d25b367
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5b3439cbad3deec29218c20b7294ccd3c
SHA101f1ecbc00e38042701d9969fd44466465ed3147
SHA25680975f1efe7637a0b5cfd772b5eb35f7ad19e698ce674aacad7eb779c0f62249
SHA51233fe0b38252890ef561a95f5ca661b8f3cc71df632c8939914869980672847dcd19527a0d9e1d79f274dc328b5aad5b5bf6229c4ab9ede0cb69d87d57af9d9c4
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD549cfe8a7eab81033d1f2b692d8e3645b
SHA1b6b1cfdb8f10f16a3267882550e222596902bf45
SHA2566d86bca4990584ab64079d0545bedf7845150671b19c8233c440af61b0dadf65
SHA5120a6b44a92e322082923f1fe7d9a379e469294e1395537b458c6a29c7e430a6b112f287721599eba344fd8a1905851d3a1b351fb53bf6d6dd6cdf6f2eacc17fe5
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD589dcfc85a79bce38e5dcc84778bf268d
SHA1f27692b4ba0d406d33a903cce552cc43f50d230a
SHA256a9616d0df80712fca314b9ab86caba9f6e913bd1a7eb193a048f7570df93770d
SHA51216447707656b703ae016a8350bb75bf56e83f22bda18c4f8e097cc132586dbbe9f16d82d1bd82846fc145a0f0c88e7b23019e9f7f12107da54fa447d2b47a0c2
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C:\Users\Admin\AppData\Local\600a9247-7cfc-434f-92c6-1012b6b07b1d\93f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6.exe
MD520e6ade48db909d6b7b4552e0913d39d
SHA153c08bccfc1fe30bd774c2685ec1746214999393
SHA25693f638514869bca19b8cbb8a11fb790b90c19a3b829bd9b34b2a3fe4df04c2f6
SHA51234dc43193668c23469fb54d55121c1f651b018c37effd7b54174614a70fb2befff31c9828aa4e8af95ca2d2626827c9d4bdf0cee330f97d673dece4e71b01c4b