hxxp://cumplir40alos60[.]es/

Analysis

max time kernel
122s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
06/10/2023, 08:38

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General

Target

http://cumplir40alos60.es/

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-1-5-21-3027552071-446050021-1254071215-1000_Classes\Local Settings	firefox.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	3588	firefox.exe
Token: SeDebugPrivilege	3588	firefox.exe
Token: SeDebugPrivilege	3588	firefox.exe
Token: SeDebugPrivilege	3588	firefox.exe
Token: SeDebugPrivilege	3588	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3588	firefox.exe
3588	firefox.exe
3588	firefox.exe
3588	firefox.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
3588	firefox.exe
3588	firefox.exe
3588	firefox.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3588	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 876 wrote to memory of 3588	876	firefox.exe	59
PID 876 wrote to memory of 3588	876	firefox.exe	59
PID 876 wrote to memory of 3588	876	firefox.exe	59
PID 876 wrote to memory of 3588	876	firefox.exe	59
PID 876 wrote to memory of 3588	876	firefox.exe	59
PID 876 wrote to memory of 3588	876	firefox.exe	59
PID 876 wrote to memory of 3588	876	firefox.exe	59
PID 876 wrote to memory of 3588	876	firefox.exe	59
PID 876 wrote to memory of 3588	876	firefox.exe	59
PID 876 wrote to memory of 3588	876	firefox.exe	59
PID 876 wrote to memory of 3588	876	firefox.exe	59
PID 3588 wrote to memory of 4128	3588	firefox.exe	85
PID 3588 wrote to memory of 4128	3588	firefox.exe	85
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 3724	3588	firefox.exe	87
PID 3588 wrote to memory of 2132	3588	firefox.exe	88
PID 3588 wrote to memory of 2132	3588	firefox.exe	88
PID 3588 wrote to memory of 2132	3588	firefox.exe	88

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://cumplir40alos60.es/"
1⤵
- Suspicious use of WriteProcessMemory
PID:876
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url http://cumplir40alos60.es/
  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:3588
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3588.0.2009964281\1272683854" -parentBuildID 20221007134813 -prefsHandle 1812 -prefMapHandle 1804 -prefsLen 20938 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {f6b25004-ddce-45bd-b90a-566ee3d708dd} 3588 "\\.\pipe\gecko-crash-server-pipe.3588" 1720 21e177d3b58 gpu
    3⤵
    PID:4128
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3588.1.938484131\1077147625" -parentBuildID 20221007134813 -prefsHandle 2360 -prefMapHandle 2356 -prefsLen 21754 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {0f84c7e7-5864-466a-8b06-48d699faacdf} 3588 "\\.\pipe\gecko-crash-server-pipe.3588" 2372 21e1770a858 socket
    3⤵
    PID:3724
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3588.2.1964328834\1080524725" -childID 1 -isForBrowser -prefsHandle 2876 -prefMapHandle 3008 -prefsLen 21857 -prefMapSize 232675 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {f343d46e-bd4a-4eac-b4f5-192e2c46de79} 3588 "\\.\pipe\gecko-crash-server-pipe.3588" 2864 21e1b6f5558 tab
    3⤵
    PID:2132
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3588.3.505180223\1920683367" -childID 2 -isForBrowser -prefsHandle 3624 -prefMapHandle 3620 -prefsLen 26437 -prefMapSize 232675 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8571c904-98a8-4afe-9ae9-36f97ba9d77f} 3588 "\\.\pipe\gecko-crash-server-pipe.3588" 3632 21e0af62558 tab
    3⤵
    PID:1448
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3588.4.1981586837\795867502" -childID 3 -isForBrowser -prefsHandle 4868 -prefMapHandle 4852 -prefsLen 26496 -prefMapSize 232675 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {1fcbb54e-e1bd-4f09-8c70-ba2c0d1e8ab6} 3588 "\\.\pipe\gecko-crash-server-pipe.3588" 4900 21e1dd6be58 tab
    3⤵
    PID:2696
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3588.5.1531084084\827822635" -childID 4 -isForBrowser -prefsHandle 5200 -prefMapHandle 5208 -prefsLen 26577 -prefMapSize 232675 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {700a3b06-de87-4f8f-8293-b8ee4f2d71f7} 3588 "\\.\pipe\gecko-crash-server-pipe.3588" 5136 21e1e88d558 tab
    3⤵
    PID:4172
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3588.7.602066336\1014235604" -childID 6 -isForBrowser -prefsHandle 5520 -prefMapHandle 5524 -prefsLen 26577 -prefMapSize 232675 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {dc38775d-4b6c-4ee2-b1d3-c40d299d60a3} 3588 "\\.\pipe\gecko-crash-server-pipe.3588" 5512 21e1eba8058 tab
    3⤵
    PID:3228
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="3588.6.1299112680\1029684227" -childID 5 -isForBrowser -prefsHandle 5344 -prefMapHandle 5352 -prefsLen 26577 -prefMapSize 232675 -jsInitHandle 1340 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {9eb48c11-d15b-42f7-9ec6-557cc83e0739} 3588 "\\.\pipe\gecko-crash-server-pipe.3588" 5332 21e1eba7458 tab
    3⤵
    PID:1660

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\b7jtu2fw.default-release\activity-stream.discovery_stream.json.tmp

Filesize
21KB

MD5
c524428453b64f275175acce0274d6bb

SHA1
ad3f7a2c02b46b0554c5f7a22fd78e4a574063e4

SHA256
30e53dd4f84687233aa0dd07d70171f4255c6fa05dd4f8710b659a68f2a34e3c

SHA512
f901820aaf199d1f3d12e53d6442b0f211ca072a7035314f41625319f830d6e11cae2d20ff5ec783337a993bb2e17e3c34dac7cec837def6114a62d9dec4dc45

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\b7jtu2fw.default-release\cache2\entries\180089313729568CF6D0CAF9991F0FA4115478F0

Filesize
13KB

MD5
b47c93373da9b9cd40f49f86ef4e5c20

SHA1
47033cbe32ed22be82cf3c2a0bebb97cd7ff2eb5

SHA256
fbb15a24d17076696426bd136975fa3b3187324b9cee804fbe28ba7fd0cf9c26

SHA512
3068507c82f91654249baddf6b28f9b3b7c8c6167c321a623ec644d92bd489c618b208fe8731539e0f0e18785ea1458ed34a8cf4290ce9683a50ddc48ce473d0

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\b7jtu2fw.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\b7jtu2fw.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\b7jtu2fw.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\b7jtu2fw.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\b7jtu2fw.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\b7jtu2fw.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\b7jtu2fw.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\b7jtu2fw.default-release\prefs-1.js

Filesize
6KB

MD5
4046ef5b1e659ed89d3e95a2ac0f460b

SHA1
6c3911827925aaf2a587cf5eeaecc734797d8748

SHA256
0e2bb2a90a4b213bab66506ce613c0b9574e974e40fc5ba82e79ce22e3165749

SHA512
166aeba525a527f44d6f1a6fa1700aa71c36f2ff3b064c192e6b5faa41ac6e229cd3b1802aaf40db1598bab158ceb956a4fd100d9503a6043f93052dac05eb7d

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\b7jtu2fw.default-release\prefs-1.js

Filesize
7KB

MD5
76e88698b11b585e58c132ac8e84ee91

SHA1
94bd34e35c39e2cea761a6e23836b81b418bc306

SHA256
039fc9a25599c29276843238b57d01b0a2a2d6166c660b85369049f157862d5a

SHA512
4e25fbb1173360f71f6c030f786aef2a48bfe055cf5a4713e74bb897af0ef34d5530fb5b57eae1a204abd301eecc80c8de108fd74d90a693146cb541ab8041ec

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\b7jtu2fw.default-release\sessionstore-backups\recovery.jsonlz4

Filesize
2KB

MD5
eb8a528e3ddcc083722f284b7a017c83

SHA1
cd7ec6dff632ebc3ab40b9a07b03028d67c7464e

SHA256
01e0026ae4c596d975ab939a44cd1754c8e93b2e10baef185dcdaa3cc62cd29e

SHA512
9608283181a6a3acd0f6f09369da5346acdf8bfcd04c6bb6a3f5067b71b469ad81b19f46640f1024505f0096e8879ed05d583a2437ec2dd12f22281f03415d20

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\b7jtu2fw.default-release\sessionstore-backups\recovery.jsonlz4

Filesize
2KB

MD5
edada50eb6c420d5b60d655f9ceb3d86

SHA1
023fc42c203893e0546d5d5e227f9f6f1c613c92

SHA256
eb2b94314c5508548303f9d7624182d46b2d4c0ec0e6bdc31d6f208bcfbd1470

SHA512
237f503ccaeaa589e81046e8bdb62af2adabe277d43b5044cd40e2875d773f9fb244daf3599e7725ff8454b56e3fa3f6fdeb4133220db6c6451d643ddcc32c3a

Download Submit