Analysis
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max time kernel
111s -
max time network
123s -
platform
windows10_x64 -
resource
win10-en-20211104 -
submitted
27-11-2021 14:31
Static task
static1
Behavioral task
behavioral1
Sample
f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe
Resource
win10-en-20211104
General
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Target
f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe
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Size
833KB
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MD5
f22dd33b0020a93f8c36826be72844bf
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SHA1
a524eade2d077afce79e6aa6058c8e734efaa30e
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SHA256
f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431
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SHA512
dcc59ef484534ea629294e88cbe3525d2effcd8f953cdf798269b8ed0672a76bf38ab5713e8dd33640d7ee76ea5992489b31d3d041b1299784cc5430d4d73f07
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/4216-119-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/4216-120-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/4216-122-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu behavioral1/memory/3708-121-0x0000000005120000-0x000000000523B000-memory.dmp family_djvu behavioral1/memory/3208-128-0x0000000000424141-mapping.dmp family_djvu behavioral1/memory/3208-133-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu -
Djvu Ransomware
Ransomware which is a variant of the STOP family.
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suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
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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:
f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.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\\e4b88ed5-5c27-4904-9526-6fc74de92aa3\\f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe\" --AutoStart" f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.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 26 api.2ip.ua 16 api.2ip.ua 17 api.2ip.ua -
Suspicious use of SetThreadContext 2 IoCs
Processes:
f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exef368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exedescription pid process target process PID 3708 set thread context of 4216 3708 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4504 set thread context of 3208 4504 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Processes:
f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exef368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exepid process 4216 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe 4216 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe 3208 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe 3208 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe -
Suspicious use of WriteProcessMemory 26 IoCs
Processes:
f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exef368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exef368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exedescription pid process target process PID 3708 wrote to memory of 4216 3708 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 3708 wrote to memory of 4216 3708 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 3708 wrote to memory of 4216 3708 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 3708 wrote to memory of 4216 3708 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 3708 wrote to memory of 4216 3708 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 3708 wrote to memory of 4216 3708 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 3708 wrote to memory of 4216 3708 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 3708 wrote to memory of 4216 3708 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 3708 wrote to memory of 4216 3708 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 3708 wrote to memory of 4216 3708 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4216 wrote to memory of 4228 4216 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe icacls.exe PID 4216 wrote to memory of 4228 4216 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe icacls.exe PID 4216 wrote to memory of 4228 4216 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe icacls.exe PID 4216 wrote to memory of 4504 4216 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4216 wrote to memory of 4504 4216 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4216 wrote to memory of 4504 4216 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4504 wrote to memory of 3208 4504 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4504 wrote to memory of 3208 4504 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4504 wrote to memory of 3208 4504 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4504 wrote to memory of 3208 4504 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4504 wrote to memory of 3208 4504 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4504 wrote to memory of 3208 4504 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4504 wrote to memory of 3208 4504 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4504 wrote to memory of 3208 4504 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4504 wrote to memory of 3208 4504 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe PID 4504 wrote to memory of 3208 4504 f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe"C:\Users\Admin\AppData\Local\Temp\f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3708 -
C:\Users\Admin\AppData\Local\Temp\f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe"C:\Users\Admin\AppData\Local\Temp\f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe"2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4216 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\e4b88ed5-5c27-4904-9526-6fc74de92aa3" /deny *S-1-1-0:(OI)(CI)(DE,DC)3⤵
- Modifies file permissions
PID:4228
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C:\Users\Admin\AppData\Local\Temp\f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe"C:\Users\Admin\AppData\Local\Temp\f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe" --Admin IsNotAutoStart IsNotTask3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4504 -
C:\Users\Admin\AppData\Local\Temp\f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe"C:\Users\Admin\AppData\Local\Temp\f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe" --Admin IsNotAutoStart IsNotTask4⤵
- Suspicious behavior: EnumeratesProcesses
PID:3208
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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
MD5253607bd1141add4ad448bbedd594216
SHA1cdee5efeb47a38564455a125631c665635245a95
SHA256afa5b10e6377fc9fa4cd64dd3500ce86228a4c38022e572077ff4961cd538c6a
SHA51296826e7a6b88bbedd1c574835aab3a5ebd991d0614d69a1d22f03346287baf74975049ade534ed84f799ecbd85c3abfe3e6d1cdf59bd40c437a435232c4be13b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD588ee0eb50c73cb91b16733fe602861ba
SHA1167fa6cd920f9837b0072a05213fbad9b421ed9f
SHA256bdee5d8586859b0de004f7187d4d75fad9de8f559c79a1e938db15ec81d8bb44
SHA5124a544408fc215611854fa188cc0d1e501243e45a137224cfa0b1c1f32022532254e5017ca310abaeb699c25a45a1afc49c948c0f77e7cee6520e204e4440386c
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C:\Users\Admin\AppData\Local\e4b88ed5-5c27-4904-9526-6fc74de92aa3\f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431.exe
MD5f22dd33b0020a93f8c36826be72844bf
SHA1a524eade2d077afce79e6aa6058c8e734efaa30e
SHA256f368a6b07e5974a2f77af9ca7c15e7ed259c6c64d1ed89001f747cd7a97c0431
SHA512dcc59ef484534ea629294e88cbe3525d2effcd8f953cdf798269b8ed0672a76bf38ab5713e8dd33640d7ee76ea5992489b31d3d041b1299784cc5430d4d73f07