Analysis
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max time kernel
93s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
31-12-2024 23:02
Static task
static1
Behavioral task
behavioral1
Sample
f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe
Resource
win7-20240903-en
General
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Target
f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe
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Size
19KB
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MD5
1be9cf4f2be90c6194f7e536fc1b5d70
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SHA1
bd82cd7a76d32eb2841cb6539f13ccff53001ecd
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SHA256
f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331
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SHA512
92fb70c7af37d2c1df32babbaa4fb397c7d009b4747de0d635cea375fc3a827b77845d8805722032e3f53332ba75733e715dcd94c499f87555d4b14ed06153d2
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SSDEEP
384:ZRwzDLmCMw4mbE9EnLULXIQERC7UB4knNSVrmh:ASCbbZwERC7UB4knNSpK
Malware Config
Extracted
lumma
Signatures
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Lumma family
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 3432 powershell.exe 4708 powershell.exe -
Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe -
Executes dropped EXE 1 IoCs
pid Process 1976 taskhost.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 18 raw.githubusercontent.com 17 raw.githubusercontent.com -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 1976 taskhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskhost.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4708 powershell.exe 4708 powershell.exe 3432 powershell.exe 3432 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4708 powershell.exe Token: SeDebugPrivilege 3432 powershell.exe Token: SeDebugPrivilege 4064 f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1976 taskhost.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4064 wrote to memory of 4708 4064 f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe 85 PID 4064 wrote to memory of 4708 4064 f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe 85 PID 4064 wrote to memory of 4708 4064 f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe 85 PID 4064 wrote to memory of 3432 4064 f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe 87 PID 4064 wrote to memory of 3432 4064 f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe 87 PID 4064 wrote to memory of 3432 4064 f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe 87 PID 4064 wrote to memory of 1976 4064 f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe 90 PID 4064 wrote to memory of 1976 4064 f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe 90 PID 4064 wrote to memory of 1976 4064 f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe"C:\Users\Admin\AppData\Local\Temp\f594e0bbd220acd5f8c940230e4baca60f7c65f15b4ddfd3b299e11c42328331N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4064 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\ngcjbsk'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4708
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users'2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3432
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C:\ngcjbsk\taskhost.exe"C:\ngcjbsk\taskhost.exe"2⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:1976
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5968cb9309758126772781b83adb8a28f
SHA18da30e71accf186b2ba11da1797cf67f8f78b47c
SHA25692099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA5124bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3
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Filesize
18KB
MD5dee89769ba015316aade3a3826dae82b
SHA17c1e6001259aa24e85258449f48b6773274ca93b
SHA256c217b8488d63db9c7939a9dabfe837dbac66767e86eb3cf342963181c93bfe92
SHA51282204bbf7f557d08f932a450d299ce2f5579876271bd1170cff2a360857b231eb2548d8d6e23d527826423d4ad8504e680b77cd948f5f333e8359e5028a98786
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1.2MB
MD5d5ae5bdbc4c65195283e5a9b357fac95
SHA1d3f310b223cf86afdcb95b8e0a46c4b9b346bed1
SHA25647224f57396aa4bba7f6972553e4762f0868d676cd2793107dca2478babf50e6
SHA512c3acf4f687d16d40ef2175e1b91e2cdfb298493b4dc09d1a81bf860de4457dfeee8ef84899e5780756fc78039c54fb9000c2ed7c6de5f529e9416fec7c9863c7