hxxps://workday[.]zoom[.]us/meeting/attendee/tJIud-CgqTorG9wNMTERv_Ot-BoD6NUD0dAp/ics?user_id=_jLqSlA5qPxbf1Q024GiMgJ-Mq-4OQ3MfOwJX5fl1LQ2Tp7HUPs[.]ARZyqwKjnLeVJZh1&type=icalendar

Analysis

max time kernel
1199s
max time network
1165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 07:12

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General

Target

https://workday.zoom.us/meeting/attendee/tJIud-CgqTorG9wNMTERv_Ot-BoD6NUD0dAp/ics?user_id=_jLqSlA5qPxbf1Q024GiMgJ-Mq-4OQ3MfOwJX5fl1LQ2Tp7HUPs.ARZyqwKjnLeVJZh1&type=icalendar

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

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 = "133477027511762145"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4772	chrome.exe
4772	chrome.exe
4804	chrome.exe
4804	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
4772	chrome.exe
4772	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe
Token: SeShutdownPrivilege	4772	chrome.exe
Token: SeCreatePagefilePrivilege	4772	chrome.exe

Suspicious use of FindShellTrayWindow 33 IoCs

pid	Process
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe
4772	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4772 wrote to memory of 556	4772	chrome.exe	14
PID 4772 wrote to memory of 556	4772	chrome.exe	14
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 228	4772	chrome.exe	25
PID 4772 wrote to memory of 4276	4772	chrome.exe	24
PID 4772 wrote to memory of 4276	4772	chrome.exe	24
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20
PID 4772 wrote to memory of 904	4772	chrome.exe	20

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=0xfc,0x100,0x104,0xd8,0x108,0x7ff826b99758,0x7ff826b99768,0x7ff826b99778
1⤵
PID:556

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://workday.zoom.us/meeting/attendee/tJIud-CgqTorG9wNMTERv_Ot-BoD6NUD0dAp/ics?user_id=_jLqSlA5qPxbf1Q024GiMgJ-Mq-4OQ3MfOwJX5fl1LQ2Tp7HUPs.ARZyqwKjnLeVJZh1&type=icalendar
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4772
- 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=2180 --field-trial-handle=1892,i,5407206983868155085,16384214437455268418,131072 /prefetch:8
  2⤵
  PID:904
- 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=3052 --field-trial-handle=1892,i,5407206983868155085,16384214437455268418,131072 /prefetch:1
  2⤵
  PID:5092
- 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=3040 --field-trial-handle=1892,i,5407206983868155085,16384214437455268418,131072 /prefetch:1
  2⤵
  PID:4360
- 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=2108 --field-trial-handle=1892,i,5407206983868155085,16384214437455268418,131072 /prefetch:8
  2⤵
  PID:4276
- 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=1644 --field-trial-handle=1892,i,5407206983868155085,16384214437455268418,131072 /prefetch:2
  2⤵
  PID:228
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5156 --field-trial-handle=1892,i,5407206983868155085,16384214437455268418,131072 /prefetch:8
  2⤵
  PID:3204
- 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 --mojo-platform-channel-handle=5196 --field-trial-handle=1892,i,5407206983868155085,16384214437455268418,131072 /prefetch:8
  2⤵
  PID:3256
- 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=5172 --field-trial-handle=1892,i,5407206983868155085,16384214437455268418,131072 /prefetch:8
  2⤵
  PID:4856
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2248 --field-trial-handle=1892,i,5407206983868155085,16384214437455268418,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4804

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:3836

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\Network\Network Persistent State

Filesize
1KB

MD5
e70e7f414e635f98e05015fa05a4b7c6

SHA1
8fd588a0cff7165ec41e8db410362562b459797a

SHA256
2697f073703b943ae05845e54bced4027673c4205b92cad4ff95490de3149d93

SHA512
ddea26130598fd9ee1e1e7c535d832612b38b2917f0c701c0a5442d38aa3290895b90f1ef87c9f55e9411679a1007da9b8d2cb5237d677a9c83b55867f542efa

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

Filesize
538B

MD5
0d3e8a5a937941707ccac56699faee64

SHA1
d0d993a289e0c7c38290f93cb9fba8b76240cead

SHA256
b69cbc260f1289fb358dce230b7e2e703cc228404aca94555d60da9b9a4454ed

SHA512
157cea1c88895bf68cc7c3e3c261f2755592352663d57bed1de87381d61e73e0676ea1085dd8b4ba7f3ac72291edfc1370536ed400e276c80f5b8505273b0961

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

Filesize
6KB

MD5
32245a69297d1e9429f316d02d1350fd

SHA1
2a960532975f29468bea77027f71274472566bc2

SHA256
c5f2630ec16f4f8977367e011a3d2418771eee5b48e1477ada723ce3fdfc3745

SHA512
1a6f41e4abcee9b361f2a28b38886c8f06bfe918921b99eb96610ad974f087a98788253329112558905eecf6d2e3e223bbd3f61af114d580d1b63498a9290fd1

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

Filesize
113KB

MD5
2a1be3a7eb8e691659f5c553d1a247d5

SHA1
d7f952f01049183027ae45bae059017aa33bd635

SHA256
c48b2f26b153cbcff6d39fac061b830cf7f10b82480b6afd456746978d9f58eb

SHA512
a1acee8e277ba04e37f92588294fa4d2663370131dc6da0f02bb7f74834c48961ca7ecfe3363fba67031307187e32c437a90f051aa37346a20be42cf0e819923

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit