hxxp://www[.]mediafire[.]com/file/thu7f3e10cynnft/BWB_Drumkits[.]rar/file

Analysis

user interaction
yes
max time kernel
9s
max time network
10s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
28/04/2026, 01:17

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General

Target
http://www.mediafire.com/file/thu7f3e10cynnft/BWB_Drumkits.rar/file
Sample260428-bnt3aaft5l

Score

4^/10

discovery

Malware Config

Signatures

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp	chrome.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Time Discovery 1 TTPs 1 IoCs

Adversary may gather the system time and/or time zone settings from a local or remote system.

discovery

System Time Discovery

T1124

pid	Process
2436	chrome.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "134218126864122313"	chrome.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4564	chrome.exe
4564	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

pid	Process
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe

Suspicious use of AdjustPrivilegeToken 16 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4564	chrome.exe
Token: SeCreatePagefilePrivilege	4564	chrome.exe
Token: SeShutdownPrivilege	4564	chrome.exe
Token: SeCreatePagefilePrivilege	4564	chrome.exe
Token: SeShutdownPrivilege	4564	chrome.exe
Token: SeCreatePagefilePrivilege	4564	chrome.exe
Token: SeShutdownPrivilege	4564	chrome.exe
Token: SeCreatePagefilePrivilege	4564	chrome.exe
Token: SeShutdownPrivilege	4564	chrome.exe
Token: SeCreatePagefilePrivilege	4564	chrome.exe
Token: SeShutdownPrivilege	4564	chrome.exe
Token: SeCreatePagefilePrivilege	4564	chrome.exe
Token: SeShutdownPrivilege	4564	chrome.exe
Token: SeCreatePagefilePrivilege	4564	chrome.exe
Token: SeShutdownPrivilege	4564	chrome.exe
Token: SeCreatePagefilePrivilege	4564	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe

Suspicious use of SendNotifyMessage 16 IoCs

pid	Process
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe
4564	chrome.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 4792	4564	chrome.exe	80
PID 4564 wrote to memory of 2436	4564	chrome.exe	81
PID 4564 wrote to memory of 3336	4564	chrome.exe	83
PID 4564 wrote to memory of 3336	4564	chrome.exe	83
PID 4564 wrote to memory of 3240	4564	chrome.exe	82
PID 4564 wrote to memory of 3240	4564	chrome.exe	82
PID 4564 wrote to memory of 2548	4564	chrome.exe	84
PID 4564 wrote to memory of 2548	4564	chrome.exe	84
PID 4564 wrote to memory of 2324	4564	chrome.exe	85
PID 4564 wrote to memory of 2324	4564	chrome.exe	85
PID 4564 wrote to memory of 2752	4564	chrome.exe	86
PID 4564 wrote to memory of 2752	4564	chrome.exe	86
PID 4564 wrote to memory of 3604	4564	chrome.exe	89
PID 4564 wrote to memory of 3604	4564	chrome.exe	89
PID 4564 wrote to memory of 1472	4564	chrome.exe	90
PID 4564 wrote to memory of 1472	4564	chrome.exe	90
PID 4564 wrote to memory of 1132	4564	chrome.exe	91

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://www.mediafire.com/file/thu7f3e10cynnft/BWB_Drumkits.rar/file
1⤵
- Drops file in Windows directory
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=140.0.7339.81 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffb42e5c728,0x7ffb42e5c734,0x7ffb42e5c740
  2⤵
  PID:4792
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=1948,i,16607659026013479642,17227940254675185764,524288 --field-trial-handle=1440,i,11288002980525124961,16370279406602068925,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=2004 /prefetch:11
  2⤵
  - System Time Discovery
  PID:2436
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --metrics-shmem-handle=1588,i,15123836252972292006,6223254146763662116,262144 --field-trial-handle=1440,i,11288002980525124961,16370279406602068925,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=1940 /prefetch:2
  2⤵
  PID:3240
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --force-high-res-timeticks=disabled --metrics-shmem-handle=2288,i,1192679525825746551,16005715206616424651,524288 --field-trial-handle=1440,i,11288002980525124961,16370279406602068925,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=2440 /prefetch:13
  2⤵
  PID:3336
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --metrics-shmem-handle=3140,i,12470162675658715034,16856922020955354499,2097152 --field-trial-handle=1440,i,11288002980525124961,16370279406602068925,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3108 /prefetch:1
  2⤵
  PID:2548
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --metrics-shmem-handle=3148,i,14421381052861024285,12349732432067937930,2097152 --field-trial-handle=1440,i,11288002980525124961,16370279406602068925,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3164 /prefetch:1
  2⤵
  PID:2324
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --extension-process --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --metrics-shmem-handle=4188,i,2253674870194874740,15077642712521596448,2097152 --field-trial-handle=1440,i,11288002980525124961,16370279406602068925,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=4192 /prefetch:9
  2⤵
  PID:2752
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --metrics-shmem-handle=2472,i,8344277941006181301,11818879037803310188,2097152 --field-trial-handle=1440,i,11288002980525124961,16370279406602068925,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=4656 /prefetch:1
  2⤵
  PID:3604
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --force-high-res-timeticks=disabled --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --metrics-shmem-handle=3616,i,2857705741536422846,3556957051125055996,2097152 --field-trial-handle=1440,i,11288002980525124961,16370279406602068925,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=3640 /prefetch:1
  2⤵
  PID:1472
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --force-high-res-timeticks=disabled --metrics-shmem-handle=5340,i,18031256817144077720,1699649195232394771,524288 --field-trial-handle=1440,i,11288002980525124961,16370279406602068925,262144 --variations-seed-version=20260129-170056.646000 --mojo-platform-channel-handle=5344 /prefetch:14
  2⤵
  PID:1132

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:2336

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:5024

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

System Time Discovery

T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

BookmarkMergedSurfaceOrdering

Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BookmarkMergedSurfaceOrdering
Size 6B
SHA256 4489f9e3e454748b3521eb214e0a5694d562cff3d9ff511cb456953c8f534c00
MD5 377d072e137022223a370760763420bb
SHA1 534e5f914ae99bf0a342a2f7a7e0724bd0d11ef7
SHA512 d1e37e45e8d603c46c9254d7295744104222b09340246c5e5f50d661d4688ccc2068adf1e0cd78599bcdcf475f8a0a6255dcd3e429812aa14cc2e2022309955c
MD5 SHA1 SHA512

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BrowsingTopicsState

Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\BrowsingTopicsState
Size 414B
SHA256 52ec5090c04558843a9ab17e204aee52e981c17111fda2fbb4bc7be460bf52cf
MD5 3229f43041b2c0a10654a3608c8082c5
SHA1 bfdd04cc5fcb0d1ab324f02e25bb7fbba7c4c391
SHA512 d82ff7512610e6bdf1472f877932fa42092d67ea33b239b97517d8083a7117cefaac60afd66b05b812ac27a23fce999d92c841b480834bb379b3257c7284ba13
TLSH
T1EAE02BAACC12AE270DFD17596055864BFB50135B2741495B3E3D420C8FB13BB428186C
MD5 SHA1 SHA512 TLSH

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SCT Auditing Pending Reports

Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
Size 2B
SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
MD5 d751713988987e9331980363e24189ce
SHA1 97d170e1550eee4afc0af065b78cda302a97674c
SHA512 b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af
MD5 SHA1 SHA512

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Local State

Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
Size 90KB
SHA256 5ecd2eb9d54833242d8ddb61382c7b2967de2b9102bcffcc2f51f9e9ec32488f
MD5 655d04dd2399b439bec6e6c118553564
SHA1 59c696bbe8efc128a3fc61b7018bd9e17feafa9c
SHA512 cf28d97f63245e1183ef6d4b02e673fc34eb1d977078ea2d75d9a65b9eb9fcfdcb6294b4a56417be8b36411b3b964a916f96ffc04cd2e71901deb39d0b470248
SSDEEP 1536:4LtP++SKG0qRilWUATqUd408KMYbF5ITGkbEKTldfQVHV+Y6zIFNxZ:gl++J3qUQm08KMWF0bFTcVHr6zgZ
TLSH
T1909302B9991E7D79636ED396A0079CAC8CD3DCCE151051BC30C76F1E14BA393A31B8A5
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2336-13-0x000001CC78300000-0x000001CC7849A000-memory.dmp

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