c4abf4a0512990b8626062d73d9395d885cbf9ffd5cc8fb42d5a3f7bba022aa7

Analysis

max time kernel
302s
max time network
311s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
28/08/2026, 04:27

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General

Target
PEAK.exe
Size 178.0MB
Sample260828-e3kc6ssydt
SHA256 c4abf4a0512990b8626062d73d9395d885cbf9ffd5cc8fb42d5a3f7bba022aa7
MD5 41103f4fbff767049828ee25f1c7828e
SHA1 3a988feb1911508fdca47c6f5d77b5e6a0071987
SHA512 92ecef5ef90835f81e362bb54e9e5ea321b37c07b6172a514bce9499be41428d94e169031ee64a03ee25a59577bbb48941a52570c9e4e290e47f1160e6373216
SSDEEP 1572864:J0ORTnjSB/Ttde5oe7JyhLfYE1xX6BSgj7zIH+r4VOv1QsiLBRzDlJXlSubMXEsZ:aVKQxx9
TLSH
T1F3989C03F2D610D9E05DD1B19B8B9633EA72B8464728B2DF26540B562F77EE42B3DB10
MD5 SHA1 SHA512 SSDEEP TLSH

Score

1^/10

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3052	PEAK.exe
3052	PEAK.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe
Token: SeShutdownPrivilege	6732	PEAK.exe
Token: SeCreatePagefilePrivilege	6732	PEAK.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 6732 wrote to memory of 6232	6732	PEAK.exe	88
PID 6732 wrote to memory of 6232	6732	PEAK.exe	88
PID 6732 wrote to memory of 1068	6732	PEAK.exe	89
PID 6732 wrote to memory of 5440	6732	PEAK.exe	90
PID 6732 wrote to memory of 3052	6732	PEAK.exe	92

C:\Users\Admin\AppData\Local\Temp\PEAK.exe
"C:\Users\Admin\AppData\Local\Temp\PEAK.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:6732
- C:\Users\Admin\AppData\Local\Temp\PEAK.exe
  "C:\Users\Admin\AppData\Local\Temp\PEAK.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\PEAK" --gpu-preferences=UAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=1840,i,13954272967372707784,12190910884495427937,262144 --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1832 /prefetch:2
  2⤵
  PID:6232
- C:\Users\Admin\AppData\Local\Temp\PEAK.exe
  "C:\Users\Admin\AppData\Local\Temp\PEAK.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\PEAK" --field-trial-handle=1368,i,13954272967372707784,12190910884495427937,262144 --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=1976 /prefetch:11
  2⤵
  PID:1068
- C:\Users\Admin\AppData\Local\Temp\PEAK.exe
  "C:\Users\Admin\AppData\Local\Temp\PEAK.exe" --type=renderer --user-data-dir="C:\Users\Admin\AppData\Roaming\PEAK" --app-path="C:\Users\Admin\AppData\Local\Temp\resources\app.asar" --no-sandbox --no-zygote --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=4 --field-trial-handle=2500,i,13954272967372707784,12190910884495427937,262144 --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=2496 /prefetch:1
  2⤵
  PID:5440
- C:\Users\Admin\AppData\Local\Temp\PEAK.exe
  "C:\Users\Admin\AppData\Local\Temp\PEAK.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.26100.1301 --user-data-dir="C:\Users\Admin\AppData\Roaming\PEAK" --gpu-preferences=UAAAAAAAAADoAAAMAAAAAAAAAAAAAAAAAABgAAEAAAAAAAAAhAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAEAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAA --field-trial-handle=2592,i,13954272967372707784,12190910884495427937,262144 --disable-features=SpareRendererForSitePerProcess,WinDelaySpellcheckServiceInit,WinRetrieveSuggestionsOnlyOnDemand --variations-seed-version --mojo-platform-channel-handle=2604 /prefetch:10
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3052

Network

MITRE ATT&CK Matrix

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Downloads

default.exc

Path C:\Users\Admin\AppData\Roaming\Microsoft\Spelling\en-US\default.exc
Size 2B
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
MD5 SHA1 SHA512

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data_0

Path C:\Users\Admin\AppData\Roaming\PEAK\GPUCache\data_0
Size 8KB
SHA256 d6a5fe39cd672781b256e0e3102f7022635f1d4bb7cfcc90a80fffe4d0f3877e
MD5 cf89d16bb9107c631daabf0c0ee58efb
SHA1 3ae5d3a7cf1f94a56e42f9a58d90a0b9616ae74b
SHA512 8cb5b059c8105eb91e74a7d5952437aaa1ada89763c5843e7b0f1b93d9ebe15ed40f287c652229291fac02d712cf7ff5ececef276ba0d7ddc35558a3ec3f77b0
SSDEEP 3:MsFl:/F
MD5 SHA1 SHA512 SSDEEP

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data_1

Path C:\Users\Admin\AppData\Roaming\PEAK\GPUCache\data_1
Size 264KB
SHA256 b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec
MD5 f50f89a0a91564d0b8a211f8921aa7de
SHA1 112403a17dd69d5b9018b8cede023cb3b54eab7d
SHA512 bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58
SSDEEP 3:MsEllllkEthXllkl2zE:/M/xT02z
MD5 SHA1 SHA512 SSDEEP

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data_2

Path C:\Users\Admin\AppData\Roaming\PEAK\GPUCache\data_2
Size 8KB
SHA256 ec1702806f4cc7c42a82fc2b38e89835fde7c64bb32060e0823c9077ca92efb7
MD5 0962291d6d367570bee5454721c17e11
SHA1 59d10a893ef321a706a9255176761366115bedcb
SHA512 f555e961b69e09628eaf9c61f465871e6984cd4d31014f954bb747351dad9cea6d17c1db4bca2c1eb7f187cb5f3c0518748c339c8b43bbd1dbd94aeaa16f58ed
SSDEEP 3:MsHlDll:/H
MD5 SHA1 SHA512 SSDEEP

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data_3

Path C:\Users\Admin\AppData\Roaming\PEAK\GPUCache\data_3
Size 8KB
SHA256 e09f42c398d688dce168570291f1f92d079987deda3099a34adb9e8c0522b30c
MD5 41876349cb12d6db992f1309f22df3f0
SHA1 5cf26b3420fc0302cd0a71e8d029739b8765be27
SHA512 e9a4fc1f7cb6ae2901f8e02354a92c4aaa7a53c640dcf692db42a27a5acc2a3bfb25a0de0eb08ab53983132016e7d43132ea4292e439bb636aafd53fb6ef907e
SSDEEP 3:MsGl3ll:/y
MD5 SHA1 SHA512 SSDEEP

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Network Persistent State

Path C:\Users\Admin\AppData\Roaming\PEAK\Network\Network Persistent State
Size 463B
SHA256 cba7b6d5ca92246a208fe4d473ca18621a58a6afa4fe9c92a50c2780867e9db4
MD5 48da7520296dbfd153836d7b059b8584
SHA1 8ef2012338731227f61063e277e76add0ba05e80
SHA512 0b7f69717bc46f3a31e84223c07f6c8623e39a89c38f007f6e08282c08adb5f603d7d3e2cf62332e0013a3b52f1c7d7cd813fe11b8c8a0fe8066f94430801ad9
TLSH
T153F05C92C6DD85BD866203F05A347C33C1BE040C52287D11D8E8EB9E43E1439550144E
MD5 SHA1 SHA512 TLSH

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Network Persistent State~RFe5af83c.TMP

Path C:\Users\Admin\AppData\Roaming\PEAK\Network\Network Persistent State~RFe5af83c.TMP
Size 59B
SHA256 226eec4486509917aa336afebd6ff65777b75b65f1fb06891d2a857a9421a974
MD5 2800881c775077e1c4b6e06bf4676de4
SHA1 2873631068c8b3b9495638c865915be822442c8b
SHA512 e342407ab65cc68f1b3fd706cd0a37680a0864ffd30a6539730180ede2cdcd732cc97ae0b9ef7db12da5c0f83e429df0840dbf7596aca859a0301665e517377b
TLSH
T164A0026A99622D881B4A83902B18B547807B0445230982FDE43877A8415616D5C2C855
MD5 SHA1 SHA512 TLSH

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memory/3052-108-0x0000016D15650000-0x0000016D15651000-memory.dmp

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memory/3052-110-0x0000016D15650000-0x0000016D15651000-memory.dmp

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memory/3052-119-0x0000016D15650000-0x0000016D15651000-memory.dmp

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memory/3052-118-0x0000016D15650000-0x0000016D15651000-memory.dmp

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memory/3052-117-0x0000016D15650000-0x0000016D15651000-memory.dmp

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memory/3052-116-0x0000016D15650000-0x0000016D15651000-memory.dmp

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memory/3052-114-0x0000016D15650000-0x0000016D15651000-memory.dmp

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memory/3052-115-0x0000016D15650000-0x0000016D15651000-memory.dmp

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