Analysis Overview
SHA256
ccba7d679ceef6c80500e953871430da4f88d4c08a756ebbeae5fb8d2e3e09a0
Threat Level: Known bad
The file 023cf4c511af8ae12a26b53296980582_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Darkcomet
Uses the VBS compiler for execution
UPX packed file
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Modifies registry class
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-20 02:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-20 02:59
Reported
2024-06-20 03:02
Platform
win7-20240611-en
Max time kernel
141s
Max time network
138s
Command Line
Signatures
Darkcomet
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\wmpnetk = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wmpnet32.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2180 set thread context of 2724 | N/A | C:\Users\Admin\AppData\Local\Temp\Black Beauty Rainmeter Skin\black_beauty_by_mic831-d4thkf_niksmr..exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 2180 set thread context of 2660 | N/A | C:\Users\Admin\AppData\Local\Temp\Black Beauty Rainmeter Skin\black_beauty_by_mic831-d4thkf_niksmr..exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_Classes\Local Settings | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.rmskin | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.rmskin\ = "rmskin_auto_file" | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\rmskin_auto_file\shell\Read | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\rmskin_auto_file\shell | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\rmskin_auto_file\shell\Read\command | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\rmskin_auto_file | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\rmskin_auto_file\ | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\rmskin_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" | C:\Windows\SysWOW64\rundll32.exe | N/A |
NTFS ADS
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Local\Temp\svchost.exe:ZONE.identifier | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Black Beauty Rainmeter Skin\black_beauty_by_mic831-d4thkf_niksmr..exe
"C:\Users\Admin\AppData\Local\Temp\Black Beauty Rainmeter Skin\black_beauty_by_mic831-d4thkf_niksmr..exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\SysWOW64\cmd.exe
"cmd"
C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\black_beauty_by_mic831-d4thkf0.rmskin
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\black_beauty_by_mic831-d4thkf0.rmskin"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | haaadukit.no-ip.biz | udp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| US | 8.8.8.8:53 | haaadukit.no-ip.biz | udp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| US | 8.8.8.8:53 | haaadukit.no-ip.biz | udp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
Files
memory/2180-0-0x0000000074B61000-0x0000000074B62000-memory.dmp
memory/2180-1-0x0000000074B60000-0x000000007510B000-memory.dmp
memory/2180-2-0x0000000074B60000-0x000000007510B000-memory.dmp
memory/2724-7-0x0000000000400000-0x0000000000405000-memory.dmp
memory/2724-11-0x0000000000400000-0x0000000000405000-memory.dmp
memory/2724-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2724-6-0x0000000000400000-0x0000000000405000-memory.dmp
memory/2724-4-0x0000000000400000-0x0000000000405000-memory.dmp
memory/2724-13-0x0000000000400000-0x0000000000405000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\fp.txt
| MD5 | d1d57811ea8479eb76ba617b25c1bf91 |
| SHA1 | 979ac8b7365725a96ebcee80a2a2ae2622c7afa9 |
| SHA256 | d84715b33fdd79464ea60a82cffcc86eccbbd55ed42b948894d13df0e14316cd |
| SHA512 | a08401d6443a144c1016676706961b5a62f5ca5a6f82f257ec8bee49a007f28de9532a311309b46b7d8355b000e92018d7d84c36018481aa6471522912803db0 |
memory/2724-19-0x0000000000400000-0x0000000000405000-memory.dmp
memory/2660-22-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/2660-30-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/2660-29-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/2660-31-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/2660-26-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/2660-24-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/2660-32-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/2180-33-0x0000000074B60000-0x000000007510B000-memory.dmp
memory/2660-35-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/2660-36-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/2660-34-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/2660-38-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/2660-37-0x0000000000400000-0x00000000004BB000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\black_beauty_by_mic831-d4thkf0.rmskin
| MD5 | a1f4029acd9802c948cc770c24d488b6 |
| SHA1 | 8907f81f4d5226c860ec47e0067e1606f35d484a |
| SHA256 | b60d4947c4dafc66f0c6ab83b7ea9594dc03508151b07508527612c5f0b5c3c1 |
| SHA512 | 2e449338913968cfebc85a2b92f812e18f894bb7c042f03a7f463a20bcf2f857017a82b689c0615adaa912c1b798e3f3e014728a7638320901999e49b170aac0 |
memory/2660-40-0x0000000000400000-0x00000000004BB000-memory.dmp
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
| MD5 | 2eb76e8477f28331a3fb1010167385cb |
| SHA1 | cfa0f15e04850a9cf91aebc999cc60e8dc2e7d46 |
| SHA256 | 839d39a39e1841bfa0edd76d192d48f0c788d109a5b881f4de921ebcab7d7a12 |
| SHA512 | 3f7fe881fc4b4c1230bd8758289a96409bf4bb8343ae4a1709c2422706e195957bbda21c7d94bc45c927afe92299e0cbde14ae248f3a5c289dde9416bb46b111 |
memory/2660-59-0x0000000000400000-0x00000000004BB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-20 02:59
Reported
2024-06-20 03:02
Platform
win10v2004-20240611-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Darkcomet
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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| N/A | N/A | N/A | N/A |
Uses the VBS compiler for execution
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\wmpnetk = "C:\\Users\\Admin\\AppData\\Local\\Temp\\wmpnet32.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4068 set thread context of 4136 | N/A | C:\Users\Admin\AppData\Local\Temp\Black Beauty Rainmeter Skin\black_beauty_by_mic831-d4thkf_niksmr..exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
| PID 4068 set thread context of 1124 | N/A | C:\Users\Admin\AppData\Local\Temp\Black Beauty Rainmeter Skin\black_beauty_by_mic831-d4thkf_niksmr..exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000_Classes\Local Settings | C:\Windows\system32\OpenWith.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000_Classes\Local Settings | C:\Users\Admin\AppData\Local\Temp\Black Beauty Rainmeter Skin\black_beauty_by_mic831-d4thkf_niksmr..exe | N/A |
NTFS ADS
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Local\Temp\svchost.exe:ZONE.identifier | C:\Windows\SysWOW64\cmd.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Black Beauty Rainmeter Skin\black_beauty_by_mic831-d4thkf_niksmr..exe
"C:\Users\Admin\AppData\Local\Temp\Black Beauty Rainmeter Skin\black_beauty_by_mic831-d4thkf_niksmr..exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\SysWOW64\cmd.exe
"cmd"
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 82.90.14.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | haaadukit.no-ip.biz | udp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.58.20.217.in-addr.arpa | udp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.201.86.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | haaadukit.no-ip.biz | udp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| US | 8.8.8.8:53 | haaadukit.no-ip.biz | udp |
| SG | 78.159.141.204:3365 | haaadukit.no-ip.biz | tcp |
| US | 8.8.8.8:53 | udp |
Files
memory/4068-0-0x0000000075292000-0x0000000075293000-memory.dmp
memory/4068-1-0x0000000075290000-0x0000000075841000-memory.dmp
memory/4068-2-0x0000000075290000-0x0000000075841000-memory.dmp
memory/4136-4-0x0000000000400000-0x0000000000405000-memory.dmp
memory/4136-6-0x0000000000400000-0x0000000000405000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\fp.txt
| MD5 | d1d57811ea8479eb76ba617b25c1bf91 |
| SHA1 | 979ac8b7365725a96ebcee80a2a2ae2622c7afa9 |
| SHA256 | d84715b33fdd79464ea60a82cffcc86eccbbd55ed42b948894d13df0e14316cd |
| SHA512 | a08401d6443a144c1016676706961b5a62f5ca5a6f82f257ec8bee49a007f28de9532a311309b46b7d8355b000e92018d7d84c36018481aa6471522912803db0 |
memory/4136-12-0x0000000000400000-0x0000000000405000-memory.dmp
memory/1124-16-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1124-17-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/4068-19-0x0000000075290000-0x0000000075841000-memory.dmp
memory/1124-20-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1124-22-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1124-21-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1124-24-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1124-23-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1124-25-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1124-27-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1124-29-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1124-31-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1124-33-0x0000000000400000-0x00000000004BB000-memory.dmp
memory/1124-35-0x0000000000400000-0x00000000004BB000-memory.dmp