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Analysis
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max time kernel
149s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system -
submitted
02/05/2024, 00:18
Static task
static1
Behavioral task
behavioral1
Sample
8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe
Resource
win10v2004-20240419-en
General
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Target
8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe
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Size
222KB
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MD5
7a87f03a89b15ce00d59a490d76fb4f9
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SHA1
2d2afca75d0c840bd215f6d22c7ed53c6c4a02df
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SHA256
8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf
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SHA512
e6de9ee9af6dd1fce4da8067d73111d217f85e61b793a77961968d783b9915fc592b7ce1776bab9f15aeee24363d925be86f861f50abab6477527494c5155c09
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SSDEEP
3072:YsXRmUIMitPMQLse27vc+Eld+xZp2vPRL1tT06zJoxAWBcKpSP//dwlm2:ZR5ITMQLseGk7RZBGxAycKpSPX21
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Local\\_foldernamelocalappdata_\\Windows.Media.MediaControl32.exe" Windows.Media.MediaControl32.exe -
Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" Windows.Media.MediaControl32.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation 8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe Key value queried \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\Control Panel\International\Geo\Nation Windows.Media.MediaControl32.exe -
Executes dropped EXE 4 IoCs
pid Process 3732 Windows.Media.MediaControl32.exe 760 Windows.Media.MediaControl32.exe 3532 Windows.Media.MediaControl32.exe 4384 Windows.Media.MediaControl32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*Windows.Media.MediaControl32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe" 8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows.Media.MediaControl32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe" 8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe Set value (str) \REGISTRY\USER\S-1-5-21-17203666-93769886-2545153620-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\*QWRtaW4= = "C:\\Users\\Admin\\AppData\\Local\\_foldernamelocalappdata_\\Windows.Media.MediaControl32.exe" Windows.Media.MediaControl32.exe -
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 20 pastebin.com 22 pastebin.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3732 set thread context of 740 3732 Windows.Media.MediaControl32.exe 101 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1536 schtasks.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 3792 timeout.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe 3732 Windows.Media.MediaControl32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 3732 Windows.Media.MediaControl32.exe Token: SeDebugPrivilege 740 InstallUtil.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2432 wrote to memory of 3732 2432 8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe 86 PID 2432 wrote to memory of 3732 2432 8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe 86 PID 2432 wrote to memory of 4984 2432 8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe 87 PID 2432 wrote to memory of 4984 2432 8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe 87 PID 2432 wrote to memory of 3608 2432 8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe 89 PID 2432 wrote to memory of 3608 2432 8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe 89 PID 3608 wrote to memory of 3792 3608 cmd.exe 91 PID 3608 wrote to memory of 3792 3608 cmd.exe 91 PID 3732 wrote to memory of 1536 3732 Windows.Media.MediaControl32.exe 98 PID 3732 wrote to memory of 1536 3732 Windows.Media.MediaControl32.exe 98 PID 3732 wrote to memory of 740 3732 Windows.Media.MediaControl32.exe 101 PID 3732 wrote to memory of 740 3732 Windows.Media.MediaControl32.exe 101 PID 3732 wrote to memory of 740 3732 Windows.Media.MediaControl32.exe 101 PID 3732 wrote to memory of 740 3732 Windows.Media.MediaControl32.exe 101 PID 3732 wrote to memory of 740 3732 Windows.Media.MediaControl32.exe 101 PID 3732 wrote to memory of 740 3732 Windows.Media.MediaControl32.exe 101 PID 3732 wrote to memory of 740 3732 Windows.Media.MediaControl32.exe 101 PID 3732 wrote to memory of 740 3732 Windows.Media.MediaControl32.exe 101 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe"C:\Users\Admin\AppData\Local\Temp\8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2432 -
C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Windows.Media.MediaControl32.exe"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Windows.Media.MediaControl32.exe"2⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3732 -
C:\Windows\System32\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn Admin /tr "\"C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Windows.Media.MediaControl32.exe\" arguments" /sc MINUTE /mo 13⤵
- Creates scheduled task(s)
PID:1536
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\??\c:\windows\microsoft.net\framework\v2.0.50727\InstallUtil.exe"c:\windows\microsoft.net\framework\v2.0.50727\\InstallUtil.exe" C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Windows.Media.MediaControl32.exe3⤵
- Suspicious use of AdjustPrivilegeToken
PID:740
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe"2⤵PID:4984
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout /t 5 && del "C:\Users\Admin\AppData\Local\Temp\8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe" && del "C:\Users\Admin\AppData\Local\Temp\8bdeb5a9779798cb13a29fe7e54751dafa6ef70fa3a4e16069ea3c77442732cf.exe.config"2⤵
- Suspicious use of WriteProcessMemory
PID:3608 -
C:\Windows\system32\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:3792
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:3872
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Windows.Media.MediaControl32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Windows.Media.MediaControl32.exe arguments1⤵
- Executes dropped EXE
PID:760
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Windows.Media.MediaControl32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Windows.Media.MediaControl32.exe arguments1⤵
- Executes dropped EXE
PID:3532
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C:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Windows.Media.MediaControl32.exeC:\Users\Admin\AppData\Local\_foldernamelocalappdata_\Windows.Media.MediaControl32.exe arguments1⤵
- Executes dropped EXE
PID:4384
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
595B
MD55446caf843683ea0aab610c729c40ab1
SHA16df96e9c6c90843766b0fde8cec5e3a955291e74
SHA256f7dbd089564c22c13483b867392a7bd1f9b49f8e0b089e2cc7bd7bfbf62c6329
SHA512488e2b8750ff820e3fbdcbb9201abddfc6c8ccc3e7cc29962a05c2313ea862eddbf4e0a49ab6a5029aa4d9c137daf2623f1b34e4dcb896269e6edae8276148ff
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Filesize
222KB
MD5f91862d00fc6fd8974d7866fbbd3c69c
SHA13f617dda2fb6ed0ced1bf1cbd6466c74f2e23173
SHA2569b53a999098e5b92b5dc51c17aef8c38394caa60ff36772d69ec6ad7f1df7aa4
SHA5127443bbbc151cce946460b305c23e1846959d53754a9c5aed1b89a7544cfb89da65e8bcae4ed581c260da5800e0efafdf7fb6cfc480963e37fe3e63a8afb98dff
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Filesize
1KB
MD5dd3d04c365984b4ec57a80503f81fddf
SHA1c55fbcb61818e47dac9aae465faff91f0805bd7c
SHA25640a59ca9744dc3d4647f246b2dc553f37f8095418c1b48a9bd94cdb5c03dbc5c
SHA5120dd459def2abe9e3f0d1251049a0755c63f7dd3d85e91dba272c3f479f2578e3f3f2379e1cd6913190f7f596af721201eb5d9423ab28aed72bde5cd3cac7f785