hxxps://aka[.]ms/o0ukef

Analysis

max time kernel
22s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 03:27

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General

Target

https://aka.ms/o0ukef

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2104	chrome.exe
2104	chrome.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe
Token: SeShutdownPrivilege	2104	chrome.exe

Suspicious use of FindShellTrayWindow 34 IoCs

pid	Process
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe

Suspicious use of SendNotifyMessage 32 IoCs

pid	Process
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe
2104	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 3052	2104	chrome.exe	28
PID 2104 wrote to memory of 3052	2104	chrome.exe	28
PID 2104 wrote to memory of 3052	2104	chrome.exe	28
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2680	2104	chrome.exe	30
PID 2104 wrote to memory of 2744	2104	chrome.exe	31
PID 2104 wrote to memory of 2744	2104	chrome.exe	31
PID 2104 wrote to memory of 2744	2104	chrome.exe	31
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32
PID 2104 wrote to memory of 2924	2104	chrome.exe	32

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 https://aka.ms/o0ukef
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:2104
- 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,0x7fef73e9758,0x7fef73e9768,0x7fef73e9778
  2⤵
  PID:3052
- 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=1168 --field-trial-handle=1304,i,3641187215090056687,17212946927120474767,131072 /prefetch:2
  2⤵
  PID:2680
- 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=1512 --field-trial-handle=1304,i,3641187215090056687,17212946927120474767,131072 /prefetch:8
  2⤵
  PID:2744
- 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=1612 --field-trial-handle=1304,i,3641187215090056687,17212946927120474767,131072 /prefetch:8
  2⤵
  PID:2924
- 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=2244 --field-trial-handle=1304,i,3641187215090056687,17212946927120474767,131072 /prefetch:1
  2⤵
  PID:1192
- 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=2252 --field-trial-handle=1304,i,3641187215090056687,17212946927120474767,131072 /prefetch:1
  2⤵
  PID:2444
- 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=1336 --field-trial-handle=1304,i,3641187215090056687,17212946927120474767,131072 /prefetch:2
  2⤵
  PID:2208
- 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=1120 --field-trial-handle=1304,i,3641187215090056687,17212946927120474767,131072 /prefetch:1
  2⤵
  PID:2088
- 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=3524 --field-trial-handle=1304,i,3641187215090056687,17212946927120474767,131072 /prefetch:8
  2⤵
  PID:2372
- 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=10 --mojo-platform-channel-handle=3664 --field-trial-handle=1304,i,3641187215090056687,17212946927120474767,131072 /prefetch:1
  2⤵
  PID:612
- 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=11 --mojo-platform-channel-handle=3520 --field-trial-handle=1304,i,3641187215090056687,17212946927120474767,131072 /prefetch:1
  2⤵
  PID:1800

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:2976

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

Filesize
264KB

MD5
f50f89a0a91564d0b8a211f8921aa7de

SHA1
112403a17dd69d5b9018b8cede023cb3b54eab7d

SHA256
b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

SHA512
bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

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C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State

Filesize
1KB

MD5
c6d57775edd9b66aa3cd492fab05dd1d

SHA1
222f0b91e2ce549ceae777f97716f3dab3a5b94b

SHA256
587987b1df26e421fca8d700a488dc33b5c95695213bd18d19f0dbc1003d9e53

SHA512
ec37664df817480021006cb47e896d1ec6ae6ec8648c10ab3edd51e9d6d9ddcdf33b1ddef058452ace4c3bfd34398ddff6ccf8ce7825bc3fb9f84bc1da27f82b

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
5KB

MD5
c3f68e06f8463baa8998b329d17d2136

SHA1
4c88d51a8149f548a26cb2f8003c2b56f8c97396

SHA256
57d77a41145e160e1844cd831ef096288a767450bc50943e56d4c8ae1e99cff3

SHA512
e0ea5f7102d1abe99ff88770eaf8dd03fc84b9b89c30ad1c9fbe100842c1755851a58434108723f7a0f621a8090b19370e336698274afeb025709abcc30f1571

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
5KB

MD5
64cd00787142f1a71ca7e4f42fb7c3fb

SHA1
94c4094ae8853a44ad022ab607311fa820c72ce4

SHA256
593b9acf0b363bd2d39c7283f5b2141af9efb846b5f1362eb429443d8624cae6

SHA512
dfa51d70ac2ee45e189389f51c6b826c858ed6b1146805af7ff3facec3ca5061e8aeb6d871f18a65d2c12b820d0889f415c05bd1d168a605cf062e9b8b04b3f0

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

Filesize
16B

MD5
18e723571b00fb1694a3bad6c78e4054

SHA1
afcc0ef32d46fe59e0483f9a3c891d3034d12f32

SHA256
8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

SHA512
43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab47EB.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar47FD.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit