Overview
overview
7Static
static
3KRNL-REBOR....3.dll
windows7-x64
3KRNL-REBOR....3.dll
windows10-2004-x64
1KRNL-REBOR...ET.dll
windows7-x64
1KRNL-REBOR...ET.dll
windows10-2004-x64
1KRNL-REBOR...ec.lnk
windows7-x64
3KRNL-REBOR...ec.lnk
windows10-2004-x64
3KRNL-REBOR...rn.dll
windows7-x64
3KRNL-REBOR...rn.dll
windows10-2004-x64
3KRNL-REBOR...02.exe
windows7-x64
7KRNL-REBOR...02.exe
windows10-2004-x64
7KRNL-REBOR...ce.lnk
windows7-x64
3KRNL-REBOR...ce.lnk
windows10-2004-x64
3Analysis
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max time kernel
78s -
max time network
88s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
09-08-2024 01:15
Behavioral task
behavioral1
Sample
KRNL-REBORN/Bunifu_UI_v1.5.3.dll
Resource
win7-20240708-en
windows7-x64
Behavioral task
behavioral2
Sample
KRNL-REBORN/Bunifu_UI_v1.5.3.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
KRNL-REBORN/ScintillaNET.dll
Resource
win7-20240705-en
windows7-x64
Behavioral task
behavioral4
Sample
KRNL-REBORN/ScintillaNET.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral5
Sample
KRNL-REBORN/autoexec.lnk
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral6
Sample
KRNL-REBORN/autoexec.lnk
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral7
Sample
KRNL-REBORN/krnl-reborn.dll
Resource
win7-20240705-en
windows7-x64
Behavioral task
behavioral8
Sample
KRNL-REBORN/krnl-reborn.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral9
Sample
KRNL-REBORN/krnlss_v102.exe
Resource
win7-20240729-en
windows7-x64
Behavioral task
behavioral10
Sample
KRNL-REBORN/krnlss_v102.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
Behavioral task
behavioral11
Sample
KRNL-REBORN/workspace.lnk
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral12
Sample
KRNL-REBORN/workspace.lnk
Resource
win10v2004-20240802-en
windows10-2004-x64
General
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Target
KRNL-REBORN/krnl-reborn.dll
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Size
5.3MB
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MD5
e9921b7d3ff7044834e0c5998270cd0c
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SHA1
e30c5794dbc92578d5bbd23d095a4a256caf4912
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SHA256
c0e5c51445b189f8a17529ce8fce8d11ed7f99211e19684228fdd12366c458ab
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SHA512
8a9a83050fee7084caa606f5e26018d4ce4b0a7a10e481fcdd8b1eae6c7b459dbe633b5b4b03b91d49427481f9e03880a64418a7e52ad6c06d25de98692a028e
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SSDEEP
98304:QsK42Kx51uNmHTgZk74mqBjqSQWJuR7iGsMPD4nBx1GyePSByA5Pzm:Iwr154XBJQWaKSsnBv6a5Pz
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 1 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 rundll32.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1556 chrome.exe 1556 chrome.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: 33 2720 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2720 AUDIODG.EXE Token: 33 2720 AUDIODG.EXE Token: SeIncBasePriorityPrivilege 2720 AUDIODG.EXE Token: SeShutdownPrivilege 1556 chrome.exe Token: SeShutdownPrivilege 1556 chrome.exe Token: SeShutdownPrivilege 1556 chrome.exe Token: SeShutdownPrivilege 1556 chrome.exe -
Suspicious use of FindShellTrayWindow 50 IoCs
pid Process 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe -
Suspicious use of SendNotifyMessage 48 IoCs
pid Process 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe 1556 chrome.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 2404 wrote to memory of 2496 2404 rundll32.exe 31 PID 2404 wrote to memory of 2496 2404 rundll32.exe 31 PID 2404 wrote to memory of 2496 2404 rundll32.exe 31 PID 2404 wrote to memory of 2496 2404 rundll32.exe 31 PID 2404 wrote to memory of 2496 2404 rundll32.exe 31 PID 2404 wrote to memory of 2496 2404 rundll32.exe 31 PID 2404 wrote to memory of 2496 2404 rundll32.exe 31 PID 1556 wrote to memory of 1596 1556 chrome.exe 36 PID 1556 wrote to memory of 1596 1556 chrome.exe 36 PID 1556 wrote to memory of 1596 1556 chrome.exe 36 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1588 1556 chrome.exe 38 PID 1556 wrote to memory of 1584 1556 chrome.exe 39 PID 1556 wrote to memory of 1584 1556 chrome.exe 39 PID 1556 wrote to memory of 1584 1556 chrome.exe 39 PID 1556 wrote to memory of 2040 1556 chrome.exe 40 PID 1556 wrote to memory of 2040 1556 chrome.exe 40 PID 1556 wrote to memory of 2040 1556 chrome.exe 40 PID 1556 wrote to memory of 2040 1556 chrome.exe 40 PID 1556 wrote to memory of 2040 1556 chrome.exe 40 PID 1556 wrote to memory of 2040 1556 chrome.exe 40 PID 1556 wrote to memory of 2040 1556 chrome.exe 40 PID 1556 wrote to memory of 2040 1556 chrome.exe 40 PID 1556 wrote to memory of 2040 1556 chrome.exe 40 PID 1556 wrote to memory of 2040 1556 chrome.exe 40 PID 1556 wrote to memory of 2040 1556 chrome.exe 40 PID 1556 wrote to memory of 2040 1556 chrome.exe 40
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\KRNL-REBORN\krnl-reborn.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2404 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\KRNL-REBORN\krnl-reborn.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:2496
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:2848
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x4f01⤵
- Suspicious use of AdjustPrivilegeToken
PID:2720
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1556 -
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:7 --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=106.0.5249.119 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6109758,0x7fef6109768,0x7fef61097782⤵PID:1596
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1124 --field-trial-handle=1128,i,5276983956417639718,6907588303080657019,131072 /prefetch:22⤵PID:1588
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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 --mojo-platform-channel-handle=1464 --field-trial-handle=1128,i,5276983956417639718,6907588303080657019,131072 /prefetch:82⤵PID:1584
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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=utility --mojo-platform-channel-handle=1608 --field-trial-handle=1128,i,5276983956417639718,6907588303080657019,131072 /prefetch:82⤵PID:2040
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2272 --field-trial-handle=1128,i,5276983956417639718,6907588303080657019,131072 /prefetch:12⤵PID:1524
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2280 --field-trial-handle=1128,i,5276983956417639718,6907588303080657019,131072 /prefetch:12⤵PID:1484
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1400 --field-trial-handle=1128,i,5276983956417639718,6907588303080657019,131072 /prefetch:22⤵PID:2244
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=2224 --field-trial-handle=1128,i,5276983956417639718,6907588303080657019,131072 /prefetch:12⤵PID:112
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=3456 --field-trial-handle=1128,i,5276983956417639718,6907588303080657019,131072 /prefetch:12⤵PID:2320
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3688 --field-trial-handle=1128,i,5276983956417639718,6907588303080657019,131072 /prefetch:82⤵PID:2164
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C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"1⤵PID:1272
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
210KB
MD548d2860dd3168b6f06a4f27c6791bcaa
SHA1f5f803efed91cd45a36c3d6acdffaaf0e863bf8c
SHA25604d7bf7a6586ef00516bdb3f7b96c65e0b9c6b940f4b145121ed00f6116bbb77
SHA512172da615b5b97a0c17f80ddd8d7406e278cd26afd1eb45a052cde0cb55b92febe49773b1e02cf9e9adca2f34abbaa6d7b83eaad4e08c828ef4bf26f23b95584e
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Filesize
16B
MD5aefd77f47fb84fae5ea194496b44c67a
SHA1dcfbb6a5b8d05662c4858664f81693bb7f803b82
SHA2564166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611
SHA512b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3
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Filesize
264KB
MD5f50f89a0a91564d0b8a211f8921aa7de
SHA1112403a17dd69d5b9018b8cede023cb3b54eab7d
SHA256b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
SHA512bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58
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Filesize
16B
MD518e723571b00fb1694a3bad6c78e4054
SHA1afcc0ef32d46fe59e0483f9a3c891d3034d12f32
SHA2568af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa
SHA51243bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2