Analysis
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max time kernel
144s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
28/03/2024, 15:56
Behavioral task
behavioral1
Sample
loaderis.exe
Resource
win10v2004-20231215-en
General
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Target
loaderis.exe
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Size
216KB
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MD5
410693a731584912de3a373bddf7e875
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SHA1
74c96cbf71b493939ab0697e07c6aa24567b1c75
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SHA256
88a1d81399a3392cbfef84ef0d34be862c11e42c38e4a20a1f17ec1b5b3ef713
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SHA512
30cb3a85b8ed1f65d13a6c8ccfae4604e6375af42c6310d624201aa0fecabb77e7becdb4e860c5c053f3841a26eb4f6cff39da49575999afe6fbec2b5518d307
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SSDEEP
3072:CNpReiFe92EOM5FxIghku1ILePsjaUTs18T2oceo3ziwWBWLkkkKvhVm4ESk5E:CRe9XpymOeLKsc2jeLwxkkk09ESk5
Malware Config
Extracted
xworm
5.0
does-moment.gl.at.ply.gg:6969
e86edwUdYjRHyp3E
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Install_directory
%Public%
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install_file
Runtime Broker.exe
Signatures
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Detect Xworm Payload 1 IoCs
resource yara_rule behavioral1/memory/1720-0-0x0000000000A70000-0x0000000000AAC000-memory.dmp family_xworm -
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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation loaderis.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Runtime Broker.lnk loaderis.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Runtime Broker.lnk loaderis.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Runtime Broker = "C:\\Users\\Public\\Runtime Broker.exe" loaderis.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2244 powershell.exe 2244 powershell.exe 4372 powershell.exe 4372 powershell.exe 1384 powershell.exe 1384 powershell.exe 2676 powershell.exe 2676 powershell.exe 1720 loaderis.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 1720 loaderis.exe Token: SeDebugPrivilege 2244 powershell.exe Token: SeDebugPrivilege 4372 powershell.exe Token: SeDebugPrivilege 1384 powershell.exe Token: SeDebugPrivilege 2676 powershell.exe Token: SeDebugPrivilege 1720 loaderis.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1720 loaderis.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1720 wrote to memory of 2244 1720 loaderis.exe 84 PID 1720 wrote to memory of 2244 1720 loaderis.exe 84 PID 1720 wrote to memory of 4372 1720 loaderis.exe 86 PID 1720 wrote to memory of 4372 1720 loaderis.exe 86 PID 1720 wrote to memory of 1384 1720 loaderis.exe 88 PID 1720 wrote to memory of 1384 1720 loaderis.exe 88 PID 1720 wrote to memory of 2676 1720 loaderis.exe 90 PID 1720 wrote to memory of 2676 1720 loaderis.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\loaderis.exe"C:\Users\Admin\AppData\Local\Temp\loaderis.exe"1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\loaderis.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2244
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'loaderis.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4372
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Public\Runtime Broker.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1384
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Runtime Broker.exe'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2676
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
944B
MD562623d22bd9e037191765d5083ce16a3
SHA14a07da6872672f715a4780513d95ed8ddeefd259
SHA25695d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010
SHA5129a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992
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Filesize
944B
MD50de7973d81e8726da4f2de4dd399dbad
SHA1de59047d06801a64300c7cef0ec5caa29979a3cd
SHA25634afedd1d1e38b0ffe8a6beb95a6b78ce092c9b77ad3fc80b00e5497a18c3c22
SHA51293180ab88201598a31bbb12d344a9f87cfab82edc377d8bef54f2d72b6194936f35a71cbac33145360aaf34951efa7a8e3fb9b4d33af6c7c68d63ab25e08fe69
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Filesize
944B
MD510890cda4b6eab618e926c4118ab0647
SHA11e1d63b73a0e6c7575f458b3c7917a9ce5ba776d
SHA25600f8a035324d39bd62e6dee5e1b480069015471c487ebee4479e6990ea9ddb14
SHA512a2ee84006c24a36f25e0bca0772430d64e3791f233da916aecdeae6712763e77d55bbbd00dc8f6b2b3887f3c26ab3980b96c5f46cc823e81e28abbbc5fc78221
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82