hxxps://substack[.]com/app/app-store-redirect?utm_campaign=app-marketing&utm_source=app-page&abti=d5670c99-019a-4d09-af82-a51239b387bd

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 17:47

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General

Target

https://substack.com/app/app-store-redirect?utm_campaign=app-marketing&utm_source=app-page&abti=d5670c99-019a-4d09-af82-a51239b387bd

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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 = "133662304449219974"	chrome.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2656	chrome.exe
2656	chrome.exe
2732	chrome.exe
2732	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
2656	chrome.exe
2656	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe
Token: SeShutdownPrivilege	2656	chrome.exe
Token: SeCreatePagefilePrivilege	2656	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe
2656	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2656 wrote to memory of 2660	2656	chrome.exe	85
PID 2656 wrote to memory of 2660	2656	chrome.exe	85
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1736	2656	chrome.exe	86
PID 2656 wrote to memory of 1904	2656	chrome.exe	87
PID 2656 wrote to memory of 1904	2656	chrome.exe	87
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88
PID 2656 wrote to memory of 4868	2656	chrome.exe	88

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://substack.com/app/app-store-redirect?utm_campaign=app-marketing&utm_source=app-page&abti=d5670c99-019a-4d09-af82-a51239b387bd
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:2656
- 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=110.0.5481.104 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffe7770ab58,0x7ffe7770ab68,0x7ffe7770ab78
  2⤵
  PID:2660
- 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=1604 --field-trial-handle=1836,i,4709764121905545278,753563570719035634,131072 /prefetch:2
  2⤵
  PID:1736
- 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=2192 --field-trial-handle=1836,i,4709764121905545278,753563570719035634,131072 /prefetch:8
  2⤵
  PID:1904
- 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=service --mojo-platform-channel-handle=2260 --field-trial-handle=1836,i,4709764121905545278,753563570719035634,131072 /prefetch:8
  2⤵
  PID:4868
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=2952 --field-trial-handle=1836,i,4709764121905545278,753563570719035634,131072 /prefetch:1
  2⤵
  PID:4612
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2976 --field-trial-handle=1836,i,4709764121905545278,753563570719035634,131072 /prefetch:1
  2⤵
  PID:3292
- 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=4408 --field-trial-handle=1836,i,4709764121905545278,753563570719035634,131072 /prefetch:8
  2⤵
  PID:2232
- 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=4752 --field-trial-handle=1836,i,4709764121905545278,753563570719035634,131072 /prefetch:8
  2⤵
  PID:4984
- 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=1672 --field-trial-handle=1836,i,4709764121905545278,753563570719035634,131072 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2732

C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
1⤵
PID:4480

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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
2KB

MD5
4a263a071f5da27e4ad855b2eb258481

SHA1
7e4471af6a00a3c98cff262da88efbbc3a70a689

SHA256
38b79d8a7e1132b39fe1f43bc26172cbe17e6ba16ea80951f3694583133bcf08

SHA512
f5b8e6cde700d058ca050e36243d8d5e75f2b05cb32ccf788b0b2137f9f0947c886bd6dc739dac5ba9cbe4293fa7193e042d681b7508bf8c211a094ba361cef1

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
2KB

MD5
162d1696f4f58a2996533ca4cd35a66b

SHA1
24791e6caa7ce9271a1636cdaeac321fe5ccf02c

SHA256
80387825add2241d9f13293acbc12a25bdfb53e323837e7148bd5636cdd1a016

SHA512
27c2fe44df4c5ee6bb2cce4883d3fb3a3ff4eee53fac7102263630c0449aeadf03cdde9a30d66e6198a62bfd4216a15dba7fda7b6a81d6c67c7c8c7bbae8d72c

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

Filesize
3KB

MD5
b5a97e9d664ada2ffe4d2d77a66991f3

SHA1
d48dcb0524547c154ca6de105036b55e5130c8b8

SHA256
7c6fd62916a09c85662040f412369fb7e106e48b3b6e30fb8bdf70e46642069c

SHA512
3005f97be91036119495f0c4f7db26d9488441a830b12a0eeb176fca910fa7056652ff2ebde87265d0011e067d8593812dd5c276d9c8d0603c448281c6b7ef01

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

Filesize
2B

MD5
d751713988987e9331980363e24189ce

SHA1
97d170e1550eee4afc0af065b78cda302a97674c

SHA256
4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

SHA512
b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

Filesize
1KB

MD5
61e854d427e37c02a3c0de85f0aa9c14

SHA1
4950bd29cf1a0fe16e7976b460319252e333ebf6

SHA256
d95721d758db38bde93d5b66af0cf7b057ded90f4cc54dab8c40ebae7b5d12c1

SHA512
b74a32f01da60a46dc7dcd6c7e7fa3e4d7f17f2dc03cce70cfc64f0ebd034fa8724584d7084e8eb8fa28af943fee2d3421530c17edb85a814651923e654dc593

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

Filesize
1KB

MD5
68a46c0640cdf5781c0523b3499d7000

SHA1
1d85b5d54f3c90e12f370de69132ec0fd55e759d

SHA256
ee3f8c3dbe8a0a6ce616a7b308421e681bd8713b3d65717ffea3b11b9c4a32d7

SHA512
25426d060ba524b49bb190c6ea2a170a8d5f8531600d19cd527c6b214e4a58943e4d0762ab4a695217a0b7def5c1b5e34c9c6be70f5c18e035520d72a0b9c1ca

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

Filesize
7KB

MD5
553a140c946aa4f9cc4056bd43180e09

SHA1
c936e05429a75d863c5c2ee911dfa375850df0ac

SHA256
f2c449ee49fd0b961cefeacd212a16335d5911b63f74d6801b0e51fb9bd488ef

SHA512
a1b1ccdfb7fc8d8279331456d7a68adcd1f9f70d54f8d65e3e74cb44e1d7f25ea7389cbd37ab0968558e6bd8c7f64c0ccc6fd93c12ffdef34ad608dcd2ad127c

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

Filesize
7KB

MD5
e422c21472b33ed4fab96694f0e837e0

SHA1
6d658f74b855ccf80c58fde6bd0911eb225ef8e9

SHA256
9ef22d34f8519c0970bdfca4f50e5c718a2074cb4b58a006999193dc5a93f858

SHA512
60de2fe927808b5b28e155faec6a337697ff23f4e8c7a660c19aa00d361a776763983b5b59b4beee7a10f5899375dff58b2d76a93620e9d85f1bfc9124fc1c3f

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

Filesize
144KB

MD5
41ade2a8f7dc288428656c7245f66784

SHA1
f3f3e29dc13bc24330fa9d919ec9be3e532a6642

SHA256
66bf9d7d2494f5bb52e2cc5388bb5c066fe95941ad2ebb8669591db925e6832f

SHA512
be344d4c25f49b8484bfac0aa6f2470d8dca176f7eb7e4512c8a24e3dd7502258d8f9be380db770350c68267418e80953bef27203742f94e7c9c92bbe6bc0b3c

Download Submit