hxxp://webshell[.]suite[.]office[.]com

Analysis

max time kernel
149s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 09:12

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General

Target

http://webshell.suite.office.com

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 = "133547947909214089"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1680	chrome.exe
1680	chrome.exe
2720	chrome.exe
2720	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe
Token: SeShutdownPrivilege	1680	chrome.exe
Token: SeCreatePagefilePrivilege	1680	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe
1680	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 1148	1680	chrome.exe	88
PID 1680 wrote to memory of 1148	1680	chrome.exe	88
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 2680	1680	chrome.exe	90
PID 1680 wrote to memory of 3900	1680	chrome.exe	91
PID 1680 wrote to memory of 3900	1680	chrome.exe	91
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92
PID 1680 wrote to memory of 4744	1680	chrome.exe	92

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://webshell.suite.office.com
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:1680
- 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,0x100,0x104,0x40,0x108,0x7fff51309758,0x7fff51309768,0x7fff51309778
  2⤵
  PID:1148
- 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=1744 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /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=2032 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /prefetch:8
  2⤵
  PID:3900
- 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=2240 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /prefetch:8
  2⤵
  PID:4744
- 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=2800 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /prefetch:1
  2⤵
  PID:3540
- 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=3112 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /prefetch:1
  2⤵
  PID:532
- 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=5112 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /prefetch:8
  2⤵
  PID:3480
- 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=5108 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /prefetch:8
  2⤵
  PID:4348
- 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=9 --mojo-platform-channel-handle=4720 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /prefetch:1
  2⤵
  PID:748
- 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=10 --mojo-platform-channel-handle=3972 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /prefetch:1
  2⤵
  PID:3280
- 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=11 --mojo-platform-channel-handle=3796 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /prefetch:1
  2⤵
  PID:1248
- 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=12 --mojo-platform-channel-handle=3468 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /prefetch:1
  2⤵
  PID:1344
- 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=2404 --field-trial-handle=1880,i,10265957913722564608,17418396058486035440,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2720

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:2896

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
4b26d812c07e8016c835fdfe6f8d370a

SHA1
27788e88e44d8e5d463a48f566353ab2add2be35

SHA256
37936b55f826174323477e4dc493b4e78d1d3eb453f0c0c47cd2aec6e7c60884

SHA512
48a08ad282248cf2780ee8333e985916f273c4d2a434163da2d5d387164f5b272ffc546f5ff39d2eb37f83e24329baedb208c20cf8075359c961a858b64b9ec8

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

Filesize
6KB

MD5
4aa7fc71e98a2e1b75ed7bea984d0ce2

SHA1
fb97d4abf36cdb9de27f7e2ccd950b7f9822380d

SHA256
b7c204c3bc2f5b3cca6713f40e1050c664d322c10964d650d2519fc2dd8be59b

SHA512
c3b53950cd892ce3005155ae63ef076b0ecc16ecdd30927973ba921deefaa7f696bb5a2d5b95485ed5b75d6cdfcfbc6ce4f39b999069205c9940ab59d07430ed

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

Filesize
6KB

MD5
8d9db451a4f958c5cf3d19a7d72567e7

SHA1
a8a937108611df8f06d8ecd0afc41598fe49454c

SHA256
03f8d7b54855e9760ab869fb4dff1c4c4b7fece381505a85e0b1001bab6027d7

SHA512
9c471b05089699be838a5418cc2e7981f5c5f390489534d6755d26c012e48db16857c483f5c5c16ab8d0975d12ef067ed567e7c5b703e56504bf34c9c862ac6b

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

Filesize
128KB

MD5
408e2d817240608d29c8397de700d730

SHA1
2d6bc20ab6f26f37d38cf037c78c973af6f0ad44

SHA256
1ddcc2ef6001cb3f228ddb383d051db2bd5795b43dce8b2a7c9e4659e956bd6b

SHA512
4a0754aa13c5165528940f82b98ee6ae3068588d010ce95659afbcde56cb7e894e5cce41271085cc041042795a23a5418c160b4830886c61723f46827b43d304

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