hxxps://hallenge51[.]cc/invite/i=63719

Analysis

max time kernel
57s
max time network
57s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
10/05/2024, 11:08

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General

Target

https://hallenge51.cc/invite/i=63719

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 6 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\VendorIdentifier	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\ProcessorNameString	firefox.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000_Classes\Local Settings	firefox.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	firefox.exe
Token: SeDebugPrivilege	2128	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2128	firefox.exe
2128	firefox.exe
2128	firefox.exe
2128	firefox.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
2128	firefox.exe
2128	firefox.exe
2128	firefox.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2128	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 2128	1052	firefox.exe	84
PID 1052 wrote to memory of 2128	1052	firefox.exe	84
PID 1052 wrote to memory of 2128	1052	firefox.exe	84
PID 1052 wrote to memory of 2128	1052	firefox.exe	84
PID 1052 wrote to memory of 2128	1052	firefox.exe	84
PID 1052 wrote to memory of 2128	1052	firefox.exe	84
PID 1052 wrote to memory of 2128	1052	firefox.exe	84
PID 1052 wrote to memory of 2128	1052	firefox.exe	84
PID 1052 wrote to memory of 2128	1052	firefox.exe	84
PID 1052 wrote to memory of 2128	1052	firefox.exe	84
PID 1052 wrote to memory of 2128	1052	firefox.exe	84
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 4464	2128	firefox.exe	85
PID 2128 wrote to memory of 2884	2128	firefox.exe	86
PID 2128 wrote to memory of 2884	2128	firefox.exe	86
PID 2128 wrote to memory of 2884	2128	firefox.exe	86
PID 2128 wrote to memory of 2884	2128	firefox.exe	86
PID 2128 wrote to memory of 2884	2128	firefox.exe	86
PID 2128 wrote to memory of 2884	2128	firefox.exe	86
PID 2128 wrote to memory of 2884	2128	firefox.exe	86
PID 2128 wrote to memory of 2884	2128	firefox.exe	86
PID 2128 wrote to memory of 2884	2128	firefox.exe	86
PID 2128 wrote to memory of 2884	2128	firefox.exe	86

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://hallenge51.cc/invite/i=63719"
1⤵
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://hallenge51.cc/invite/i=63719
  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:2128
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2128.0.571179479\1693551431" -parentBuildID 20230214051806 -prefsHandle 1760 -prefMapHandle 1752 -prefsLen 22076 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {f9a60ab5-d546-451d-851b-268217d67aaa} 2128 "\\.\pipe\gecko-crash-server-pipe.2128" 1832 1bca4b0ee58 gpu
    3⤵
    PID:4464
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2128.1.156290587\1975489330" -parentBuildID 20230214051806 -prefsHandle 2400 -prefMapHandle 2396 -prefsLen 22927 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {fecca379-616b-486d-9a58-5f84a728f508} 2128 "\\.\pipe\gecko-crash-server-pipe.2128" 2428 1bc90887558 socket
    3⤵
    PID:2884
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2128.2.1937228804\887277915" -childID 1 -isForBrowser -prefsHandle 2984 -prefMapHandle 2980 -prefsLen 22965 -prefMapSize 235121 -jsInitHandle 1260 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {9e6bef46-a4cf-4da2-bde5-5cddd8452e73} 2128 "\\.\pipe\gecko-crash-server-pipe.2128" 2996 1bca7a48058 tab
    3⤵
    PID:668
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2128.3.392032700\4532305" -childID 2 -isForBrowser -prefsHandle 3628 -prefMapHandle 3624 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1260 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8f03e65d-79e1-49f5-b9ce-24dab2cd910e} 2128 "\\.\pipe\gecko-crash-server-pipe.2128" 3640 1bc90877858 tab
    3⤵
    PID:4232
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2128.4.2106875970\224857577" -childID 3 -isForBrowser -prefsHandle 5176 -prefMapHandle 5172 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1260 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {45840069-d86a-425c-b8a8-db73b2ebe3ff} 2128 "\\.\pipe\gecko-crash-server-pipe.2128" 5188 1bcaab75c58 tab
    3⤵
    PID:3108
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2128.5.1155594156\2055791499" -childID 4 -isForBrowser -prefsHandle 5332 -prefMapHandle 5336 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1260 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0e4814d7-cce9-4aba-bdfb-63b53fe5ecfc} 2128 "\\.\pipe\gecko-crash-server-pipe.2128" 5320 1bcab1efb58 tab
    3⤵
    PID:2872
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="2128.6.1225057970\1448518058" -childID 5 -isForBrowser -prefsHandle 5524 -prefMapHandle 5532 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 1260 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c31dc7d2-7e95-4486-b0fb-6f67a68f5a4c} 2128 "\\.\pipe\gecko-crash-server-pipe.2128" 5604 1bcab1f1958 tab
    3⤵
    PID:3096

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\Mozilla\Firefox\Profiles\nzxw1g49.default-release\activity-stream.discovery_stream.json.tmp

Filesize
26KB

MD5
8e89e059b10cada76bb831ed425e0c36

SHA1
4b59cbcad5eaaabe453ed0b5d7f68ffb6af1c57b

SHA256
688dd7545a70d4fe369c7cfec7e2b0e443b4245c15c8d0b958a3e4e040451866

SHA512
5c8f7a346a82b7cc14949bb28b3763a1d3e13a24e5a4f3a3e5de430eaae0c4fe69cd85550a86668da9cca552e9c938167d9320c73123128945da55f8f162226f

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\nzxw1g49.default-release\cache2\entries\CC9AFF3BE02AD27708D587AE49B3DC68644172BA

Filesize
13KB

MD5
7f0149233afe86c7dfed6d4e3bdfcca6

SHA1
6ad3b25241d8a93a7cbb15e29c5cb847957f1130

SHA256
28c6f7efb06984010e3591fb05daa0e19c48e088dee07159bbcd527029bfb1c2

SHA512
292581d7e7cb0d54c8e6062c4521d883cd7eb94a5a813843f85c2fa72e865b5c61e202e36cc586153c5501da3cad671421d595b8d91f1140d1eade71d90056f6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpaddon

Filesize
442KB

MD5
85430baed3398695717b0263807cf97c

SHA1
fffbee923cea216f50fce5d54219a188a5100f41

SHA256
a9f4281f82b3579581c389e8583dc9f477c7fd0e20c9dfc91a2e611e21e3407e

SHA512
06511f1f6c6d44d076b3c593528c26a602348d9c41689dbf5ff716b671c3ca5756b12cb2e5869f836dedce27b1a5cfe79b93c707fd01f8e84b620923bb61b5f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpaddon-1

Filesize
8.0MB

MD5
a01c5ecd6108350ae23d2cddf0e77c17

SHA1
c6ac28a2cd979f1f9a75d56271821d5ff665e2b6

SHA256
345d44e3aa3e1967d186a43d732c8051235c43458169a5d7d371780a6475ee42

SHA512
b046dd1b26ec0b810ee441b7ad4dc135e3f1521a817b9f3db60a32976352e8f7e53920e1a77fc5b4130aac260d79deef7e823267b4414e9cc774d8bffca56a72

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nzxw1g49.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.dll

Filesize
997KB

MD5
fe3355639648c417e8307c6d051e3e37

SHA1
f54602d4b4778da21bc97c7238fc66aa68c8ee34

SHA256
1ed7877024be63a049da98733fd282c16bd620530a4fb580dacec3a78ace914e

SHA512
8f4030bb2464b98eccbea6f06eb186d7216932702d94f6b84c56419e9cf65a18309711ab342d1513bf85aed402bc3535a70db4395874828f0d35c278dd2eac9c

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nzxw1g49.default-release\gmp-gmpopenh264\1.8.1.2\gmpopenh264.info

Filesize
116B

MD5
3d33cdc0b3d281e67dd52e14435dd04f

SHA1
4db88689282fd4f9e9e6ab95fcbb23df6e6485db

SHA256
f526e9f98841d987606efeaff7f3e017ba9fd516c4be83890c7f9a093ea4c47b

SHA512
a4a96743332cc8ef0f86bc2e6122618bfc75ed46781dadbac9e580cd73df89e74738638a2cccb4caa4cbbf393d771d7f2c73f825737cdb247362450a0d4a4bc1

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nzxw1g49.default-release\gmp-widevinecdm\4.10.2557.0\LICENSE.txt

Filesize
479B

MD5
49ddb419d96dceb9069018535fb2e2fc

SHA1
62aa6fea895a8b68d468a015f6e6ab400d7a7ca6

SHA256
2af127b4e00f7303de8271996c0c681063e4dc7abdc7b2a8c3fe5932b9352539

SHA512
48386217dabf7556e381ab3f5924b123a0a525969ff98f91efb03b65477c94e48a15d9abcec116b54616d36ad52b6f1d7b8b84c49c204e1b9b43f26f2af92da2

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nzxw1g49.default-release\gmp-widevinecdm\4.10.2557.0\manifest.json

Filesize
372B

MD5
8be33af717bb1b67fbd61c3f4b807e9e

SHA1
7cf17656d174d951957ff36810e874a134dd49e0

SHA256
e92d3394635edfb987a7528e0ccd24360e07a299078df2a6967ca3aae22fa2dd

SHA512
6125f60418e25fee896bf59f5672945cd8f36f03665c721837bb50adf5b4dfef2dddbfcfc817555027dcfa90e1ef2a1e80af1219e8063629ea70263d2fc936a7

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nzxw1g49.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll

Filesize
11.8MB

MD5
33bf7b0439480effb9fb212efce87b13

SHA1
cee50f2745edc6dc291887b6075ca64d716f495a

SHA256
8ee42d9258e20bbc5bfdfae61605429beb5421ffeaaa0d02b86d4978f4b4ac4e

SHA512
d329a1a1d98e302142f2776de8cc2cd45a465d77cb21c461bdf5ee58c68073a715519f449cb673977288fe18401a0abcce636c85abaec61a4a7a08a16c924275

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nzxw1g49.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.lib

Filesize
1KB

MD5
688bed3676d2104e7f17ae1cd2c59404

SHA1
952b2cdf783ac72fcb98338723e9afd38d47ad8e

SHA256
33899a3ebc22cb8ed8de7bd48c1c29486c0279b06d7ef98241c92aef4e3b9237

SHA512
7a0e3791f75c229af79dd302f7d0594279f664886fea228cfe78e24ef185ae63aba809aa1036feb3130066deadc8e78909c277f0a7ed1e3485df3cf2cd329776

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nzxw1g49.default-release\gmp-widevinecdm\4.10.2557.0\widevinecdm.dll.sig

Filesize
1KB

MD5
937326fead5fd401f6cca9118bd9ade9

SHA1
4526a57d4ae14ed29b37632c72aef3c408189d91

SHA256
68a03f075db104f84afdd8fca45a7e4bff7b55dc1a2a24272b3abe16d8759c81

SHA512
b232f6cf3f88adb346281167ac714c4c4c7aac15175087c336911946d12d63d3a3a458e06b298b41a7ec582ef09fe238da3a3166ff89c450117228f7485c22d2

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nzxw1g49.default-release\prefs-1.js

Filesize
10KB

MD5
8f4afb8855571391630bee4a800b4dcd

SHA1
93783677d131b60eabe6cc2307b8a1e7caa178f1

SHA256
3cb8d67176940718eb071d9d3afd93871a64f2be667fd3d98b7853272c64e8bd

SHA512
07c22dc187ee14522b8647da39a7e0468e9fe652d6cb87fd29c78153600be420fdeb2b0ed9ce91db5b72d9c70092fccf3da44aafee026338336f969dba94fa96

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nzxw1g49.default-release\prefs-1.js

Filesize
7KB

MD5
3e82df4c29a19e1486ca1a4f7f243548

SHA1
d0e9d415a50d6ac5af06c60c055ce3af6d7c85c6

SHA256
8a27c06e46513603047fe8608a1481bf3df8b3e195c01567b948bd86c18afbc6

SHA512
6f891bec9607ea9ba99a9dbebbc6781b4a37d3478774188ed1ec26e2a494874131b321eee43a6f682322f95aa747012430c7fc82b672047ce6d1c0dc16130924

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nzxw1g49.default-release\sessionstore-backups\recovery.jsonlz4

Filesize
1KB

MD5
fcc5a58c86b822008c46150ffe87b8c5

SHA1
328f126f02a53b76cbf5ac8d2357c2ff1051f9ef

SHA256
d832cbb17da61510554edde3c8413ed98a42ff21a569d15da9f109ccde6b0ef4

SHA512
4163930d5afc356c901347bd1da22f77e23fe2ab4eb6c7f7560c71c5cc68b6611083d7dbefdd85de3bfb8b8c30673a32eb5031946022409205f1dfa8b2e0f51e

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\nzxw1g49.default-release\sessionstore-backups\recovery.jsonlz4

Filesize
1KB

MD5
3fe19ce3c73912cfea49ce47882c09d2

SHA1
d7db4e4dc782467573c4d75e8455d11c890b3803

SHA256
30dd853988da05afbb8208997a3a42600e387e9fb0e2d884f45c4fb947ed0c9f

SHA512
f60d9bf33c8144348e36d4e45d6bf966ca877277be7bf655ea7a768612c8d5f58b5df66e43f9397ca87062ac608d5b3edb878f8aba4983a0e3c498013f59c54f

Download Submit