hxxps://hallenge51[.]cc/invite/i=55083

Analysis

max time kernel
57s
max time network
65s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
15-05-2024 12:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

https://hallenge51.cc/invite/i=55083

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

Processes:

firefox.exe

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

Processes:

firefox.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings firefox.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

firefox.exe

description pid process

Token: SeDebugPrivilege 4776 firefox.exe
Token: SeDebugPrivilege 4776 firefox.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

firefox.exe

pid process

4776 firefox.exe
4776 firefox.exe
4776 firefox.exe
4776 firefox.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

firefox.exe

pid process

4776 firefox.exe
4776 firefox.exe
4776 firefox.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

firefox.exe

pid process

4776 firefox.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings	firefox.exe

description	pid	process
Token: SeDebugPrivilege	4776	firefox.exe
Token: SeDebugPrivilege	4776	firefox.exe

pid	process
4776	firefox.exe
4776	firefox.exe
4776	firefox.exe
4776	firefox.exe

pid	process
4776	firefox.exe
4776	firefox.exe
4776	firefox.exe

pid	process
4776	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

firefox.exefirefox.exe

description	pid	process	target process
PID 2736 wrote to memory of 4776	2736	firefox.exe	firefox.exe
PID 2736 wrote to memory of 4776	2736	firefox.exe	firefox.exe
PID 2736 wrote to memory of 4776	2736	firefox.exe	firefox.exe
PID 2736 wrote to memory of 4776	2736	firefox.exe	firefox.exe
PID 2736 wrote to memory of 4776	2736	firefox.exe	firefox.exe
PID 2736 wrote to memory of 4776	2736	firefox.exe	firefox.exe
PID 2736 wrote to memory of 4776	2736	firefox.exe	firefox.exe
PID 2736 wrote to memory of 4776	2736	firefox.exe	firefox.exe
PID 2736 wrote to memory of 4776	2736	firefox.exe	firefox.exe
PID 2736 wrote to memory of 4776	2736	firefox.exe	firefox.exe
PID 2736 wrote to memory of 4776	2736	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 2312	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 3260	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 3260	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 3260	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 3260	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 3260	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 3260	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 3260	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 3260	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 3260	4776	firefox.exe	firefox.exe
PID 4776 wrote to memory of 3260	4776	firefox.exe	firefox.exe

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=55083"
1⤵
- Suspicious use of WriteProcessMemory
PID:2736

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url https://hallenge51.cc/invite/i=55083
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:4776

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4776.0.2113300597\1143784021" -parentBuildID 20230214051806 -prefsHandle 1788 -prefMapHandle 1780 -prefsLen 22076 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {ff0fc248-e364-47a7-a6cc-ba27fc110ec0} 4776 "\\.\pipe\gecko-crash-server-pipe.4776" 1868 269fca25158 gpu
3⤵
PID:2312

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4776.1.899981102\907738210" -parentBuildID 20230214051806 -prefsHandle 2448 -prefMapHandle 2436 -prefsLen 22927 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {78619a43-6acf-4be2-8f2d-a7dbaf52c8dd} 4776 "\\.\pipe\gecko-crash-server-pipe.4776" 2460 269efb89c58 socket
3⤵
PID:3260

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4776.2.1724657025\1088906872" -childID 1 -isForBrowser -prefsHandle 2996 -prefMapHandle 2992 -prefsLen 22965 -prefMapSize 235121 -jsInitHandle 896 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3c7f98e9-1508-4be8-8aa4-043d92ce8cf6} 4776 "\\.\pipe\gecko-crash-server-pipe.4776" 3008 269ff83c058 tab
3⤵
PID:5364

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4776.3.21901984\706602538" -childID 2 -isForBrowser -prefsHandle 3596 -prefMapHandle 3572 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 896 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a8d31b20-0b8a-4b32-8ec2-12a8003fe6a2} 4776 "\\.\pipe\gecko-crash-server-pipe.4776" 3672 26a013c3058 tab
3⤵
PID:3224

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4776.4.848638736\1782469773" -childID 3 -isForBrowser -prefsHandle 5076 -prefMapHandle 5080 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 896 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {a0f87963-bcd3-4745-a8f3-4a80354f4588} 4776 "\\.\pipe\gecko-crash-server-pipe.4776" 5092 26a02fabd58 tab
3⤵
PID:2700

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4776.5.379076168\16642657" -childID 4 -isForBrowser -prefsHandle 5108 -prefMapHandle 5112 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 896 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {9f237c10-16b5-4c73-9997-48b9c7c15cf5} 4776 "\\.\pipe\gecko-crash-server-pipe.4776" 5252 26a02fad858 tab
3⤵
PID:3128

C:\Program Files\Mozilla Firefox\firefox.exe
"C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4776.6.1527770345\1510870747" -childID 5 -isForBrowser -prefsHandle 5424 -prefMapHandle 5428 -prefsLen 27616 -prefMapSize 235121 -jsInitHandle 896 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {c3c5f706-aaf7-481b-b420-cd53ebf2c9d4} 4776 "\\.\pipe\gecko-crash-server-pipe.4776" 5408 26a02fc7758 tab
3⤵
PID:3812

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\activity-stream.discovery_stream.json.tmp
Filesize
24KB

MD5
84f152df84dacfa5b9573cfa8ed5c7d4

SHA1
3678cf90203b1da2449b982a6332682bbb4866f0

SHA256
01ebd4fef1ec8cd370fa876515eb48c1beaf1d0eeaeed91259a3dc9ea8c55f81

SHA512
ff32eb58cf831e0d4cbb6b356fdfda707c9abccc6c97cf03e7b0c7ca02b3743d190ce5928f4d33f17c988a2b1ac028fa6d0642aa6667f7c6b46dfce27644244c

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\cache2\entries\F4EFE37A30D0F14C6AC03FF7949A51CBC2EBC649
Filesize
13KB

MD5
c3ebe0845f8571527e283708515aae0d

SHA1
a57057be0d3b51fba4b89fdf94c76bccd938d743

SHA256
3493f60d5e716d80551370bfdbf568a7f046dc50493bee5926b7d28e18e32d4b

SHA512
9884844b69ee7cb85183f7e22288bf17491f3be8633cb477ddc9b6d32ef2aae494730e0548f242c5dd3dba48c05b0457ffce7311a6baaca4b77fe4119a9d2b19

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\cache2\entries\F8CBD54DDA10F4286A41EC6A537240712D6C2308
Filesize
9KB

MD5
39daec6aae7cee1f8f50eafee95bf705

SHA1
1576d41a0980463f1e5c7581f8952291bb2af3f2

SHA256
eb63d51f60597697e8ff41ebed23edb9d6f4ca0cbc741e68fe184a151cc130fd

SHA512
73fa053144fcda6b16d0ab4f731adea1326b80bfceb432c54d31dd1d206aa8cab40047c4501182f657dafc6b51eff0f37d06c7b49eb73aa37a4633deb1a65353

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\h6dhg2l4.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\h6dhg2l4.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\h6dhg2l4.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\h6dhg2l4.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\h6dhg2l4.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\h6dhg2l4.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\h6dhg2l4.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\h6dhg2l4.default-release\prefs-1.js
Filesize
10KB

MD5
cd9a7efc4ad32e06f693ba53ae36c846

SHA1
a91041341ce2b269b75f7c3e92b3bef72480f1c0

SHA256
f73f956ef08c1cb8b4080f049fb4582e9562e64a7ab8c13bc6aa03818100de19

SHA512
6e35acca2f913c687d527685507ae515c49e133743c099f06075550e0bc8b2b0c43d7c32fc581b4134ee447e3f6d982c18ccc681e5e51154d3842f892a8f51b8

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\prefs-1.js
Filesize
7KB

MD5
ba17bd7efc57406f28134538c48db06f

SHA1
c58ec0dc3540f37d3029b2efa7eabc9242bd21ba

SHA256
66e70bb668844eb8877006d920522d2b131fc3119947716f4d822bd6e990ae96

SHA512
a7368eb2923fedcbde2c4fe0655cb222e7a784223c62e8270d822bd2a66f7a64129ce5b5caacd69275571dca5bfa418a74fd5eac9afb3faa35039512be57462c

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h6dhg2l4.default-release\sessionstore-backups\recovery.jsonlz4
Filesize
1KB

MD5
f0d25e05d3d00ba5389f14ae0ca5d064

SHA1
2eaca3973300065f1f0fbcb9159b5a9aa5c85e4c

SHA256
c42fa4f9244cb4655aca5ebab31f3c295842f58132ecdb646ef164247598dca3

SHA512
5538228469386ac18aa02d7780260f78aed4dccdb6d36434a5746409349bbb4c5a41189f13a4eed6cc96b0b763a7ae3a8f0d17756a5ed735fb067609d6a394a8

Download Submit