hxxps://ausxtaxservices[.]org

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2023 22:21

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General

Target

https://ausxtaxservices.org

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	chrome.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	chrome.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	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 = "133407589097153450"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3096	chrome.exe
3096	chrome.exe
4784	chrome.exe
4784	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe
Token: SeShutdownPrivilege	3096	chrome.exe
Token: SeCreatePagefilePrivilege	3096	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe
3096	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 3376	3096	chrome.exe	82
PID 3096 wrote to memory of 3376	3096	chrome.exe	82
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 4564	3096	chrome.exe	89
PID 3096 wrote to memory of 1984	3096	chrome.exe	88
PID 3096 wrote to memory of 1984	3096	chrome.exe	88
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90
PID 3096 wrote to memory of 4344	3096	chrome.exe	90

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://ausxtaxservices.org
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:3096
- 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,0x100,0x104,0xd8,0x108,0x7ffe83ed9758,0x7ffe83ed9768,0x7ffe83ed9778
  2⤵
  PID:3376
- 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=2124 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:8
  2⤵
  PID:1984
- 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=1788 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:2
  2⤵
  PID:4564
- 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=2224 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:8
  2⤵
  PID:4344
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3016 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:1
  2⤵
  PID:4296
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --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=3000 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:1
  2⤵
  PID:1444
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4668 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:1
  2⤵
  PID:3668
- 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=5360 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:8
  2⤵
  PID:4296
- 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=3860 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:8
  2⤵
  PID:1616
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=5364 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:1
  2⤵
  PID:4156
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=3304 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:1
  2⤵
  PID:1456
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3012 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:1
  2⤵
  PID:812
- 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=2380 --field-trial-handle=1888,i,14605962680123788114,9496972346372126280,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4784

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:848

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\Code Cache\js\index-dir\the-real-index

Filesize
192B

MD5
a2411835f0a93ac1933d9f054adaf17c

SHA1
82b4936193dff90fc83e62099d538f6c9fcbe2ab

SHA256
b6ff9c995772b80865119a0d21f6463c9fcb11227911c06d8b8ea048668c555d

SHA512
05e4f9574b4fc4751ff2289de6d988bc4a8a21dd362bf4f71d2975b1e50db137e3b3f1bdb0d589e04bc3705a11f78c3d5c0c3b67fca1151217e31d7f96d250bd

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

Filesize
2KB

MD5
b5a82eb96f89ddadc236f59b347b11d3

SHA1
05e4b94991f9388ea0e3e794f83baa1546b76624

SHA256
cd6bb0efad36556fb46444264bf2cc94af76b97d634f172d269e54720b5d1435

SHA512
9714d0fdd12f9d9738e2e5686fbbeec006ebc9fc85abe93cc8c787656aa20c41b092416cf44e07f59af0f697a7b58571b49c21a45f819b0573f2e29fb3082ae6

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

Filesize
6KB

MD5
92ea7badb489fef0211594e02e2655d5

SHA1
581d0dfdb2495074dc917d620f4e9c5dfb783efb

SHA256
9f957d5bb46869476f032921f459416962f8c0e4f23ac170e2924833cbfca960

SHA512
997400769d7cfaa09e59ec6f4f4b1dc7d631646dfba962be571d6eb3b66e72cd66ea3f669bbc2cc44986b8400069f4daaf5963bd95ebb758bc0dafa6de485223

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

Filesize
101KB

MD5
171c3eae7f58baf040fa749dc937c053

SHA1
d54bfa82ff869676a713706a19b948268d9bc4e5

SHA256
f95bea3641eb106912fb0cdd9ad43695f4f189253c00f262effaced6b3344fa2

SHA512
b8a5263ca7861bc67c0fc3ac3e8b4ad7ea3432b7e58a9a9af1d490715bb63f58fa7bc1ab4ee112e229d0fc485dd3efeb478f3ecb43dee4560280b383026fbd94

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