hxxps://www2[.]ltaxgo[.]net/_excel_template/export_e_laas/S00001/CU-TaXGO_to_ELAAS[.]csv/40/

Analysis

max time kernel
153s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
24-11-2023 03:00

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General

Target

https://www2.ltaxgo.net/_excel_template/export_e_laas/S00001/CU-TaXGO_to_ELAAS.csv/40/

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
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133452684606794378"	chrome.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4692	chrome.exe
4692	chrome.exe
5088	chrome.exe
5088	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe
Token: SeShutdownPrivilege	4692	chrome.exe
Token: SeCreatePagefilePrivilege	4692	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe
4692	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4692 wrote to memory of 3204	4692	chrome.exe	52
PID 4692 wrote to memory of 3204	4692	chrome.exe	52
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2972	4692	chrome.exe	87
PID 4692 wrote to memory of 2128	4692	chrome.exe	88
PID 4692 wrote to memory of 2128	4692	chrome.exe	88
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89
PID 4692 wrote to memory of 4188	4692	chrome.exe	89

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://www2.ltaxgo.net/_excel_template/export_e_laas/S00001/CU-TaXGO_to_ELAAS.csv/40/
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:4692
- 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,0x100,0x104,0xd8,0x108,0x7ffb86069758,0x7ffb86069768,0x7ffb86069778
  2⤵
  PID:3204
- 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=1648 --field-trial-handle=1852,i,11338402843949580905,3878592669314153674,131072 /prefetch:2
  2⤵
  PID:2972
- 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=2128 --field-trial-handle=1852,i,11338402843949580905,3878592669314153674,131072 /prefetch:8
  2⤵
  PID:2128
- 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=2204 --field-trial-handle=1852,i,11338402843949580905,3878592669314153674,131072 /prefetch:8
  2⤵
  PID:4188
- 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=2904 --field-trial-handle=1852,i,11338402843949580905,3878592669314153674,131072 /prefetch:1
  2⤵
  PID:3968
- 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=2912 --field-trial-handle=1852,i,11338402843949580905,3878592669314153674,131072 /prefetch:1
  2⤵
  PID:5064
- 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=4600 --field-trial-handle=1852,i,11338402843949580905,3878592669314153674,131072 /prefetch:1
  2⤵
  PID:3540
- 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=5308 --field-trial-handle=1852,i,11338402843949580905,3878592669314153674,131072 /prefetch:8
  2⤵
  PID:4116
- 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=4956 --field-trial-handle=1852,i,11338402843949580905,3878592669314153674,131072 /prefetch:8
  2⤵
  PID:4592
- 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=3696 --field-trial-handle=1852,i,11338402843949580905,3878592669314153674,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5088

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:4992

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
480B

MD5
1d1ca0b81635fca712f0d23939409352

SHA1
fe8aafc6309e3e7f8a0165f0756d02f088db3838

SHA256
21865cc86570fb018a4e553f13492991c7e100f08e9f890019d20ac1ea32d796

SHA512
efe28541702e06e4ecd956794933ddd8f09059a339b06fd0b8445d8fdd2f240c1606304eefbce94a8eb406c68b2a255b8d3b5ab879d5c6f9167241d58f6382c0

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

Filesize
2KB

MD5
bd6d8a55bb7999d0d5209af169e7e180

SHA1
14961e0acddd29ba742b93a1d807bfb133ab7ed9

SHA256
795fc4cc402c1fc70ad8d6dd16441ac4eb11c4c684278a4b7e250896526eadb3

SHA512
db90696ab69c3f3099e55535a8322807b40deb554c55edde9079146391b6ae99f0e6a037abb78b13c7aa8456a0e989b0d30252e3d092cc7039280b6bc4737dfc

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

Filesize
539B

MD5
1d8db3669d5ef6a08bf34215d2bd12be

SHA1
8d9748eb74f560f1e10a428478a246f9cec798af

SHA256
586fd2a86f5be0ba0f390bb0102c692cc6a0fa791fa3f877497175d46749fae1

SHA512
d48e578a4c6322ec8c232870b04b4d1a34a8948cde56a4425b355eaa8392a6ed1964db76dff550f93e33066869907e5280e7e431721c9f81d867ad014369e147

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

Filesize
6KB

MD5
f9dbce75edc60540d09d7994ecfd9f89

SHA1
ca5dacb386c3bf4f0d0782087e14adc04b689acc

SHA256
7a8a38a7e079eeb92917c839d4139783d39ba0594b31cc5ea9fb860d9c42a204

SHA512
39091e7dde2cc8607877851451d4f6f16a585f8bab6d995d837c0b6a548eb2ea361ad90e20e8c9a35145d451ebb421ef9af2da7fc9095ac486a4155296044a19

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

Filesize
214KB

MD5
00ac045f49fdc3899996fdfbf3629d76

SHA1
5cb82bfd3d275e40446044b8ea87dbcdfd89be56

SHA256
4b23469a285458388f1ec6d4b7a787b7923bceef82e5d98d0f47fcb46428e429

SHA512
d23170c1ce9bd2c559e0dc1dcd9cb755afcb2be2620bdc2bcea9982273b8f9816d5bbb007b071ec9325318b620ee73df23197148231c596102e1c49ddd241ee4

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