hxxps://www[.]paypal[.]com/us/webapps/mpp/security/suspicious-activity?v=1&utm_source=unp&utm_medium=email&utm_campaign=RT000186&utm_unptid=3583acda-acd8-11ef-8b1e-7d231ea39775&ppid=RT000186&cnac=US&rsta=en_US%28en-US%29&unptid=3583acda-acd8-11ef-8b1e-7d231ea39775&calc=f35732450afb5&unp_tpcid=requestmoney-notifications-requestee&page=main%3Aemail%3ART000186&pgrp=main%3Aemail&e=cl&mchn=em&s=ci&mail=sys&appVersion=1[.]294[.]0&tenant_name=&xt=145585%2C150948%2C104038&link_ref=security_suspicious-activity

Analysis

max time kernel
10s
max time network
12s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
09-12-2024 14:28

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General

Target

https://www.paypal.com/us/webapps/mpp/security/suspicious-activity?v=1&utm_source=unp&utm_medium=email&utm_campaign=RT000186&utm_unptid=3583acda-acd8-11ef-8b1e-7d231ea39775&ppid=RT000186&cnac=US&rsta=en_US%28en-US%29&unptid=3583acda-acd8-11ef-8b1e-7d231ea39775&calc=f35732450afb5&unp_tpcid=requestmoney-notifications-requestee&page=main%3Aemail%3ART000186&pgrp=main%3Aemail&e=cl&mchn=em&s=ci&mail=sys&appVersion=1.294.0&tenant_name=&xt=145585%2C150948%2C104038&link_ref=security_suspicious-activity

Score

5^/10

paypal discovery phishing

Malware Config

Signatures

Detected potential entity reuse from brand PAYPAL.
phishing paypal

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SystemTemp	chrome.exe

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
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133782281292265640"	chrome.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2556	chrome.exe
2556	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2556	chrome.exe
Token: SeCreatePagefilePrivilege	2556	chrome.exe
Token: SeShutdownPrivilege	2556	chrome.exe
Token: SeCreatePagefilePrivilege	2556	chrome.exe
Token: SeShutdownPrivilege	2556	chrome.exe
Token: SeCreatePagefilePrivilege	2556	chrome.exe
Token: SeShutdownPrivilege	2556	chrome.exe
Token: SeCreatePagefilePrivilege	2556	chrome.exe
Token: SeShutdownPrivilege	2556	chrome.exe
Token: SeCreatePagefilePrivilege	2556	chrome.exe
Token: SeShutdownPrivilege	2556	chrome.exe
Token: SeCreatePagefilePrivilege	2556	chrome.exe
Token: SeShutdownPrivilege	2556	chrome.exe
Token: SeCreatePagefilePrivilege	2556	chrome.exe
Token: SeShutdownPrivilege	2556	chrome.exe
Token: SeCreatePagefilePrivilege	2556	chrome.exe
Token: SeShutdownPrivilege	2556	chrome.exe
Token: SeCreatePagefilePrivilege	2556	chrome.exe
Token: SeShutdownPrivilege	2556	chrome.exe
Token: SeCreatePagefilePrivilege	2556	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe
2556	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1020	2556	chrome.exe	80
PID 2556 wrote to memory of 1020	2556	chrome.exe	80
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 5036	2556	chrome.exe	81
PID 2556 wrote to memory of 4076	2556	chrome.exe	82
PID 2556 wrote to memory of 4076	2556	chrome.exe	82
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83
PID 2556 wrote to memory of 768	2556	chrome.exe	83

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://www.paypal.com/us/webapps/mpp/security/suspicious-activity?v=1&utm_source=unp&utm_medium=email&utm_campaign=RT000186&utm_unptid=3583acda-acd8-11ef-8b1e-7d231ea39775&ppid=RT000186&cnac=US&rsta=en_US%28en-US%29&unptid=3583acda-acd8-11ef-8b1e-7d231ea39775&calc=f35732450afb5&unp_tpcid=requestmoney-notifications-requestee&page=main%3Aemail%3ART000186&pgrp=main%3Aemail&e=cl&mchn=em&s=ci&mail=sys&appVersion=1.294.0&tenant_name=&xt=145585%2C150948%2C104038&link_ref=security_suspicious-activity
1⤵
- Drops file in Windows directory
- 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:2556
- 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:4 --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=123.0.6312.123 --initial-client-data=0x21c,0x220,0x224,0x1f8,0x228,0x7ffecb3ccc40,0x7ffecb3ccc4c,0x7ffecb3ccc58
  2⤵
  PID:1020
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAEAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --field-trial-handle=1964,i,14464126711335227496,16453342082686270030,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=1952 /prefetch:2
  2⤵
  PID:5036
- 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 --no-appcompat-clear --field-trial-handle=2192,i,14464126711335227496,16453342082686270030,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2200 /prefetch:3
  2⤵
  PID:4076
- 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 --no-appcompat-clear --field-trial-handle=2280,i,14464126711335227496,16453342082686270030,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=2248 /prefetch:8
  2⤵
  PID:768
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --field-trial-handle=3116,i,14464126711335227496,16453342082686270030,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3160 /prefetch:1
  2⤵
  PID:5060
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --field-trial-handle=3124,i,14464126711335227496,16453342082686270030,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=3188 /prefetch:1
  2⤵
  PID:4672
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --no-appcompat-clear --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --field-trial-handle=4516,i,14464126711335227496,16453342082686270030,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4588 /prefetch:1
  2⤵
  PID:4676
- 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 --no-appcompat-clear --field-trial-handle=4776,i,14464126711335227496,16453342082686270030,262144 --variations-seed-version=20241022-180310.361000 --mojo-platform-channel-handle=4788 /prefetch:8
  2⤵
  PID:3700

C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe"
1⤵
PID:1332

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s NgcSvc
1⤵
PID:3784

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\BrowsingTopicsState

Filesize
649B

MD5
929e81a78d4dd391a3ff852bce64d59d

SHA1
6f24532a6ef6d1538aed580997f4542a43f8da17

SHA256
a228a856ebc97b93370eb4fff0acd2efb01912cab3f976d78072a5b9be1f8cc8

SHA512
ff0a3a49ceae17cf61cf28dd9c4a6a1394e5cde7c73ff17edb0f9b65dd1b6993f74ae10397a71b113c2ca9252ce8feb363d8bc44bb802f07fd8a817eef7833a9

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Cache\Cache_Data\f_000011

Filesize
215KB

MD5
2be38925751dc3580e84c3af3a87f98d

SHA1
8a390d24e6588bef5da1d3db713784c11ca58921

SHA256
1412046f2516b688d644ff26b6c7ef2275b6c8f132eb809bd32e118208a4ec1b

SHA512
1341ffc84f16c1247eb0e9baacd26a70c6b9ee904bc2861e55b092263613c0f09072efd174b3e649a347ef3192ae92d7807cc4f5782f8fd07389703d75c4c4e2

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\Preferences

Filesize
9KB

MD5
74eab77a87a379f73c628e3d5a26840b

SHA1
2fced846c1fbea419748cbce0dcdaa2b1407579f

SHA256
4f1645367dccccea6dc075b81bd4c760be444900fd8bc4bead70a7bb2c9522cf

SHA512
24460b99b03e63e535737f64ff64dc9d5c6d2853eed96432c01b51182f4838f0abb782e640038199afce8304c34696923eba20e7a1ce8fa1cba7666f6a474f45

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

Filesize
120KB

MD5
452cbd7d2cc2ff61dcd98aa2c2adf774

SHA1
c3800dcde0e5b06cad111dc3fd6c7c2fa0962a17

SHA256
daa2246f4f65d4d6e27f683e63e88e7544f159968da8d1d12a28a9cfd3e558ab

SHA512
8b7a0a5443a59e1861b45d8a0816a93843f20bba0df4675b831ee2cc2192b822f331d608907196be907d6c97551474d8423abd122981b484049a557e5d8441ce

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

Filesize
120KB

MD5
6cedfcfd40f54724fcef670cec4236cd

SHA1
c065de2a9a54806e375fe8b788754ef83d1166bb

SHA256
2333b9138d02087a5179734ff6e9cce06c5d6ffbccc11a868cd62ffc40555fe1

SHA512
5c293a009723d6c6cc133fcaa64e403c35c0643d1a66bace06ea055a386956a28cdf58b60bff5ab63bb81643b3e430839c11e343532610eddd23aabf1c6c6944

Download Submit