hxxp://20[.]15[.]0[.]158/

Analysis

max time kernel
121s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
25-04-2024 10:25

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General

Target

http://20.15.0.158/

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	firefox.exe
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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2718508534-2116753757-2794822388-1000_Classes\Local Settings	firefox.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1404	firefox.exe
Token: SeDebugPrivilege	1404	firefox.exe
Token: SeDebugPrivilege	1404	firefox.exe
Token: SeDebugPrivilege	1404	firefox.exe
Token: SeDebugPrivilege	1404	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1404	firefox.exe
1404	firefox.exe
1404	firefox.exe
1404	firefox.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1404	firefox.exe
1404	firefox.exe
1404	firefox.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1404	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 1404	3716	firefox.exe	79
PID 3716 wrote to memory of 1404	3716	firefox.exe	79
PID 3716 wrote to memory of 1404	3716	firefox.exe	79
PID 3716 wrote to memory of 1404	3716	firefox.exe	79
PID 3716 wrote to memory of 1404	3716	firefox.exe	79
PID 3716 wrote to memory of 1404	3716	firefox.exe	79
PID 3716 wrote to memory of 1404	3716	firefox.exe	79
PID 3716 wrote to memory of 1404	3716	firefox.exe	79
PID 3716 wrote to memory of 1404	3716	firefox.exe	79
PID 3716 wrote to memory of 1404	3716	firefox.exe	79
PID 3716 wrote to memory of 1404	3716	firefox.exe	79
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4728	1404	firefox.exe	80
PID 1404 wrote to memory of 4288	1404	firefox.exe	81
PID 1404 wrote to memory of 4288	1404	firefox.exe	81
PID 1404 wrote to memory of 4288	1404	firefox.exe	81
PID 1404 wrote to memory of 4288	1404	firefox.exe	81
PID 1404 wrote to memory of 4288	1404	firefox.exe	81
PID 1404 wrote to memory of 4288	1404	firefox.exe	81
PID 1404 wrote to memory of 4288	1404	firefox.exe	81
PID 1404 wrote to memory of 4288	1404	firefox.exe	81
PID 1404 wrote to memory of 4288	1404	firefox.exe	81
PID 1404 wrote to memory of 4288	1404	firefox.exe	81

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 "http://20.15.0.158/"
1⤵
- Suspicious use of WriteProcessMemory
PID:3716
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url http://20.15.0.158/
  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:1404
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1404.0.2075502897\371267463" -parentBuildID 20230214051806 -prefsHandle 1764 -prefMapHandle 1756 -prefsLen 22074 -prefMapSize 235121 -appDir "C:\Program Files\Mozilla Firefox\browser" - {8f1c835e-d0fc-49a7-9ed8-00b37597700f} 1404 "\\.\pipe\gecko-crash-server-pipe.1404" 1856 1e580c0e958 gpu
    3⤵
    PID:4728
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1404.1.892887795\892104334" -parentBuildID 20230214051806 -prefsHandle 2416 -prefMapHandle 2412 -prefsLen 22925 -prefMapSize 235121 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {ffa6b39e-94d1-463d-92c6-3b91c986c813} 1404 "\\.\pipe\gecko-crash-server-pipe.1404" 2436 1e581190458 socket
    3⤵
    PID:4288
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1404.2.1201093020\1272530834" -childID 1 -isForBrowser -prefsHandle 2936 -prefMapHandle 2932 -prefsLen 22963 -prefMapSize 235121 -jsInitHandle 952 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {5655c2c8-903d-4a7f-8ec1-2e63a3e8251a} 1404 "\\.\pipe\gecko-crash-server-pipe.1404" 2948 1e583943258 tab
    3⤵
    PID:4556
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1404.3.958206251\1264135090" -childID 2 -isForBrowser -prefsHandle 3888 -prefMapHandle 3884 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 952 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {3b2cf534-6d67-43c6-8ae0-a1f09989c6eb} 1404 "\\.\pipe\gecko-crash-server-pipe.1404" 3900 1e5858ad958 tab
    3⤵
    PID:4968
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1404.4.2039121579\658675142" -childID 3 -isForBrowser -prefsHandle 5172 -prefMapHandle 5176 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 952 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {fdea496f-9336-4e78-b900-6cd96d06d998} 1404 "\\.\pipe\gecko-crash-server-pipe.1404" 5188 1e587b73558 tab
    3⤵
    PID:236
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1404.5.1140317717\72209975" -childID 4 -isForBrowser -prefsHandle 5324 -prefMapHandle 5328 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 952 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {50f1c5d0-938e-41e8-9058-56a5d5434cc4} 1404 "\\.\pipe\gecko-crash-server-pipe.1404" 5316 1e587b74a58 tab
    3⤵
    PID:2592
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1404.6.449283214\750698184" -childID 5 -isForBrowser -prefsHandle 5524 -prefMapHandle 5532 -prefsLen 27614 -prefMapSize 235121 -jsInitHandle 952 -jsInitLen 246560 -a11yResourceId 64 -parentBuildID 20230214051806 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {86f94bd9-af24-4ab0-b865-c5336e08e0a8} 1404 "\\.\pipe\gecko-crash-server-pipe.1404" 5608 1e587b73858 tab
    3⤵
    PID:3252

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\h668dfji.default-release\activity-stream.discovery_stream.json.tmp

Filesize
24KB

MD5
e5b663252145c65320d4261468261024

SHA1
5a09017c744bc31147dd87adf83b54f2702b58f7

SHA256
eea8cf708a0eff09e8308f897ac65f8ab0b1b62191f56f55c4c80096881ce30e

SHA512
b48bd3bded8ba265a8248d495b726e5c609e417030261071b7a91ef8866b957cf4bbf983d3bac13cc180af110ea293cc31262a6fd00f0425ddf1fccf63fa344e

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\h668dfji.default-release\cache2\entries\C72D4296C2EBC6FD41A9F780CD0C8F30F0FF937C

Filesize
13KB

MD5
a5e0dc033a60321ea7a4837d6469f783

SHA1
0a7fbb96cd56016638bf03ae7f30952223ae93d4

SHA256
ec7c94c6ac6c6aa02ea919e80ad9c23897b461b2d39dc0383b2e09d6cf520c85

SHA512
9d8581c38f5d9823d4a5243c84c764ff46e414b5eb4def3f9ad6a413925dd05334dc053fc0ff92d747d6c1f167dda4add0d8fbb85030359f7d906ccf2b93d8cb

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\h668dfji.default-release\cache2\entries\CC9AFF3BE02AD27708D587AE49B3DC68644172BA

Filesize
13KB

MD5
765dd41f8c0e3668c0a3e498ff91b793

SHA1
c4e59d0ed9f3a4745181f19932425a8db4eb9b27

SHA256
9b7465af2c1d24bd51657cbde9ed9dbb99a4d2d37852d373decd0693eaf22dfc

SHA512
2b101a4965fd91e1475ef20352dcfa3a50e012d996e47efce3bbb9ea5f6ddd31506583368062f92dd5025cf6d0f037e2eadd74ba6250ae9df8904b05211d955f

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\h668dfji.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\h668dfji.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\h668dfji.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\h668dfji.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\h668dfji.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\h668dfji.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\h668dfji.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\h668dfji.default-release\prefs-1.js

Filesize
6KB

MD5
77b6a63dea9806135c9bdd664c07c34a

SHA1
4433f08edfe35551e930a666a5020a361ff278c2

SHA256
4c1d446a9d3376cad634aa300662a70290578d860a5317fee9f59d5da5c124d4

SHA512
f4547e5f24d79a5652bfa6eafb7aa9a01275e6ee6b26f31e140e4df599bea176f97817f04cda6da1e8274a7843a4ee54de40aa4e31dd51c1e922df2561289d1c

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h668dfji.default-release\prefs-1.js

Filesize
7KB

MD5
059044aef012829b010960108dd1df97

SHA1
c19da84918cc9229c8f1216022ba13fb48df3536

SHA256
161c8ed21f0c785772718416f04e478739bc0beee760caf98efae8609d059248

SHA512
0c4df35b297f97957556eb6613398847fa0d26fd1ea5520cf7220731fca071e17f4f1fb845ab6f70c419e91cefd1d1060d36a6e87e6464238f26426dc47be7e5

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\h668dfji.default-release\sessionstore-backups\recovery.jsonlz4

Filesize
1KB

MD5
6c3cff42b03d36213c00a62365fbdd0e

SHA1
a7fc23f80570a021e8669022603da9d2a3ab9684

SHA256
9420c48d7069c7111743c5ce16ce714d5408f89bd844d2a08161c6d554df54e6

SHA512
7a8348fed912790fe62688672858a8ba9df70f4bebf7b5aa54754588708b7a4894160b0fdd46d18e7d6f580e59edf6a01c00280099f383d7f411990f03bc7d7a

Download Submit