hxxps://royalmailll[.]cyou/IFUdsH12UK

Analysis

max time kernel
13s
max time network
17s
platform
windows11-21h2_x64
resource
win11-20240319-en
resource tags

arch:x64arch:x86image:win11-20240319-enlocale:en-usos:windows11-21h2-x64system
submitted
27/03/2024, 19:14

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General

Target

https://royalmailll.cyou/IFUdsH12UK

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 5 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Signature	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~Mhz	firefox.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	firefox.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1233663403-1277323514-675434005-1000_Classes\Local Settings	firefox.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1324	firefox.exe
Token: SeDebugPrivilege	1324	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1324	firefox.exe
1324	firefox.exe
1324	firefox.exe
1324	firefox.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1324	firefox.exe
1324	firefox.exe
1324	firefox.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1324	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 6112 wrote to memory of 1324	6112	firefox.exe	82
PID 6112 wrote to memory of 1324	6112	firefox.exe	82
PID 6112 wrote to memory of 1324	6112	firefox.exe	82
PID 6112 wrote to memory of 1324	6112	firefox.exe	82
PID 6112 wrote to memory of 1324	6112	firefox.exe	82
PID 6112 wrote to memory of 1324	6112	firefox.exe	82
PID 6112 wrote to memory of 1324	6112	firefox.exe	82
PID 6112 wrote to memory of 1324	6112	firefox.exe	82
PID 6112 wrote to memory of 1324	6112	firefox.exe	82
PID 6112 wrote to memory of 1324	6112	firefox.exe	82
PID 6112 wrote to memory of 1324	6112	firefox.exe	82
PID 1324 wrote to memory of 244	1324	firefox.exe	83
PID 1324 wrote to memory of 244	1324	firefox.exe	83
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 1728	1324	firefox.exe	84
PID 1324 wrote to memory of 344	1324	firefox.exe	85
PID 1324 wrote to memory of 344	1324	firefox.exe	85
PID 1324 wrote to memory of 344	1324	firefox.exe	85

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url "https://royalmailll.cyou/IFUdsH12UK"
1⤵
- Suspicious use of WriteProcessMemory
PID:6112
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://royalmailll.cyou/IFUdsH12UK
  2⤵
  - Checks processor information in registry
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1324
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1324.0.1414478892\1681680899" -parentBuildID 20221007134813 -prefsHandle 1796 -prefMapHandle 1760 -prefsLen 20747 -prefMapSize 233444 -appDir "C:\Program Files\Mozilla Firefox\browser" - {896eb2c4-358b-474a-9b94-1302f35c3c15} 1324 "\\.\pipe\gecko-crash-server-pipe.1324" 1888 14924ddbb58 gpu
    3⤵
    PID:244
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1324.1.1994173322\713331336" -parentBuildID 20221007134813 -prefsHandle 2256 -prefMapHandle 2252 -prefsLen 21563 -prefMapSize 233444 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5b2b366d-f749-4669-8c0b-a7980815893b} 1324 "\\.\pipe\gecko-crash-server-pipe.1324" 2284 14924d05058 socket
    3⤵
    PID:1728
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1324.2.236823137\1901302390" -childID 1 -isForBrowser -prefsHandle 2924 -prefMapHandle 1612 -prefsLen 21601 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {10990377-7b72-4717-a041-a333058cd20d} 1324 "\\.\pipe\gecko-crash-server-pipe.1324" 3344 1492652cd58 tab
    3⤵
    PID:344
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1324.3.286634431\1309087008" -childID 2 -isForBrowser -prefsHandle 3844 -prefMapHandle 3840 -prefsLen 26064 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c0551c22-7c23-46f0-bc25-a5dcc049ae39} 1324 "\\.\pipe\gecko-crash-server-pipe.1324" 3856 1492b386158 tab
    3⤵
    PID:2952
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1324.4.321267589\1088433753" -childID 3 -isForBrowser -prefsHandle 4960 -prefMapHandle 4956 -prefsLen 26123 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f1594b5e-92d8-4b13-9ef7-c35ede2eec5c} 1324 "\\.\pipe\gecko-crash-server-pipe.1324" 4976 1492d1c9558 tab
    3⤵
    PID:2296
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1324.5.2124764518\1403435909" -childID 4 -isForBrowser -prefsHandle 5100 -prefMapHandle 5092 -prefsLen 26379 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {1e7f1d45-6409-4162-97f3-69dd9c28fa7d} 1324 "\\.\pipe\gecko-crash-server-pipe.1324" 4976 1492d589d58 tab
    3⤵
    PID:2904
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1324.6.1874401807\403898743" -childID 5 -isForBrowser -prefsHandle 5324 -prefMapHandle 5328 -prefsLen 26379 -prefMapSize 233444 -jsInitHandle 1280 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {da01846a-0828-42e6-baa2-d6fa41ea4750} 1324 "\\.\pipe\gecko-crash-server-pipe.1324" 5208 1492d588e58 tab
    3⤵
    PID:568

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\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\datareporting\glean\db\data.safe.bin

Filesize
2KB

MD5
7bdd78042ba85a1f5895b0d9cc2f923a

SHA1
6de817356edbe31e55853483fd0a0fdef4183bf9

SHA256
8716863513a56c2e7102ff2453b2285175fff18f402a7a5cac4c6909b67c86c0

SHA512
b1add215d8b71bddbfc54ae6e27c2892fb9f839fd6e3b8f9d2ee67163ad5edef8f92378d6000af444b59ec518a8e3f2772f581b7b4b3fe4b187dce48fa9155ff

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\datareporting\glean\pending_pings\756d4a2a-41d1-432e-95d4-26019bd85230

Filesize
12KB

MD5
26cb7f86a3f256094457010178444f96

SHA1
9a7773c8979aa42feadf78b7370a47772a2e7342

SHA256
8c4940ecad6d42eb514ae69239a4ce1574ded2695d3ad9d490d18ec884a4e203

SHA512
3c2e7321b47ce2ab82d9ca4868fcc5aed40b28a4b07443e67105b3644970290c8b1d56b7c5a1e3a004f3afd594781d0477356ef55a64f97cc3e1efa8bda8d0c7

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\cts8v6xx.default-release\datareporting\glean\pending_pings\f87e0a56-19f7-46d5-954d-68264323db0f

Filesize
746B

MD5
97f46090833ca7376a5d9d50cde8af37

SHA1
d45c43407a78ebdcb2098c8ee29140654ca3758e

SHA256
dcee7c42e9df774d6247a485bd9788e2af2c9b021cfed080fc1c39c51b796654

SHA512
681295f2dfb65cf22148e34f86a086667a2f00c1d15e9b35fbd439464e04abb20bc146002811ca5a83a0266e8369b13656ad374354e276ec23b5230db7a135d9

Download Submit