hxxp://levincorporation[.]com

Analysis

max time kernel
143s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
31/10/2023, 13:11

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General

Target

http://levincorporation.com

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 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
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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-984744499-3605095035-265325720-1000_Classes\Local Settings	firefox.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	4140	firefox.exe
Token: SeDebugPrivilege	4140	firefox.exe
Token: SeDebugPrivilege	4140	firefox.exe
Token: SeDebugPrivilege	4140	firefox.exe
Token: SeDebugPrivilege	4140	firefox.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
4140	firefox.exe
4140	firefox.exe
4140	firefox.exe
4140	firefox.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4140	firefox.exe
4140	firefox.exe
4140	firefox.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4140	firefox.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3864 wrote to memory of 4140	3864	firefox.exe	88
PID 3864 wrote to memory of 4140	3864	firefox.exe	88
PID 3864 wrote to memory of 4140	3864	firefox.exe	88
PID 3864 wrote to memory of 4140	3864	firefox.exe	88
PID 3864 wrote to memory of 4140	3864	firefox.exe	88
PID 3864 wrote to memory of 4140	3864	firefox.exe	88
PID 3864 wrote to memory of 4140	3864	firefox.exe	88
PID 3864 wrote to memory of 4140	3864	firefox.exe	88
PID 3864 wrote to memory of 4140	3864	firefox.exe	88
PID 3864 wrote to memory of 4140	3864	firefox.exe	88
PID 3864 wrote to memory of 4140	3864	firefox.exe	88
PID 4140 wrote to memory of 4460	4140	firefox.exe	89
PID 4140 wrote to memory of 4460	4140	firefox.exe	89
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3672	4140	firefox.exe	90
PID 4140 wrote to memory of 3040	4140	firefox.exe	91
PID 4140 wrote to memory of 3040	4140	firefox.exe	91
PID 4140 wrote to memory of 3040	4140	firefox.exe	91

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://levincorporation.com"
1⤵
- Suspicious use of WriteProcessMemory
PID:3864
- C:\Program Files\Mozilla Firefox\firefox.exe
  "C:\Program Files\Mozilla Firefox\firefox.exe" -osint -url http://levincorporation.com
  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:4140
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4140.0.1041327301\128260092" -parentBuildID 20221007134813 -prefsHandle 1912 -prefMapHandle 1892 -prefsLen 20938 -prefMapSize 232675 -appDir "C:\Program Files\Mozilla Firefox\browser" - {6cb0a1a0-364c-4639-8656-1ad688c0aafd} 4140 "\\.\pipe\gecko-crash-server-pipe.4140" 2000 2b6b1cdb258 gpu
    3⤵
    PID:4460
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4140.1.1707177687\1206441758" -parentBuildID 20221007134813 -prefsHandle 2404 -prefMapHandle 2400 -prefsLen 21754 -prefMapSize 232675 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {6718b8af-7afc-40e5-8a69-d5b03df34ee2} 4140 "\\.\pipe\gecko-crash-server-pipe.4140" 2432 2b6b17e4758 socket
    3⤵
    PID:3672
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4140.2.1317184493\795180438" -childID 1 -isForBrowser -prefsHandle 3180 -prefMapHandle 3208 -prefsLen 21857 -prefMapSize 232675 -jsInitHandle 1056 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {aba5a8ed-7484-4bda-a24c-a57f90183c85} 4140 "\\.\pipe\gecko-crash-server-pipe.4140" 3068 2b6b57eef58 tab
    3⤵
    PID:3040
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4140.3.303293372\1478891305" -childID 2 -isForBrowser -prefsHandle 3820 -prefMapHandle 3816 -prefsLen 26437 -prefMapSize 232675 -jsInitHandle 1056 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {8d929721-8345-45c4-a27e-85d24571925a} 4140 "\\.\pipe\gecko-crash-server-pipe.4140" 3828 2b6b5deee58 tab
    3⤵
    PID:5108
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4140.4.1968859657\2022740394" -childID 3 -isForBrowser -prefsHandle 4884 -prefMapHandle 4864 -prefsLen 26671 -prefMapSize 232675 -jsInitHandle 1056 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {cd25fd50-fdb0-48fd-9391-dfe9101b6a75} 4140 "\\.\pipe\gecko-crash-server-pipe.4140" 4900 2b6b82de158 tab
    3⤵
    PID:2904
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4140.6.454313907\755941719" -childID 5 -isForBrowser -prefsHandle 5232 -prefMapHandle 5236 -prefsLen 26671 -prefMapSize 232675 -jsInitHandle 1056 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {dd5c6289-e597-461e-8591-4ef2402d56f1} 4140 "\\.\pipe\gecko-crash-server-pipe.4140" 5224 2b6b82dff58 tab
    3⤵
    PID:5064
- - C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="4140.5.1276413775\1369200937" -childID 4 -isForBrowser -prefsHandle 5048 -prefMapHandle 4700 -prefsLen 26671 -prefMapSize 232675 -jsInitHandle 1056 -jsInitLen 246848 -a11yResourceId 64 -parentBuildID 20221007134813 -win32kLockedDown -appDir "C:\Program Files\Mozilla Firefox\browser" - {760f4f24-7701-40ee-a198-72cc73568a30} 4140 "\\.\pipe\gecko-crash-server-pipe.4140" 5036 2b6b82de458 tab
    3⤵
    PID:1296

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\err804pm.default-release\activity-stream.discovery_stream.json.tmp

Filesize
23KB

MD5
dc9c473574294514b6bb756522706f9b

SHA1
5a5b8a530c1383f545b95d5ad575bc3dcd4df09e

SHA256
f8092324e8cfe9a147f137c28c72ace8fb53ed93334b4484ccf9a9f75d1bbca4

SHA512
8d6adb13d893e45ec86b23b187540c102602fe3d0de76bd5761ef602dac364667e42defacacaa6a92476635e852a9aa44707dfaaf3e9a57ea73df9f2b89c275d

Download Submit
C:\Users\Admin\AppData\Local\Mozilla\Firefox\Profiles\err804pm.default-release\cache2\entries\51D52D298316CD3F9A90A40E946BB34EFA1BFB72

Filesize
13KB

MD5
cc977514a42b01aa90352a56ab6010c7

SHA1
e424ab99c13811fb574fa08cd4098438e5e72b97

SHA256
2804ce82d0a411eb1993841d36f6a9c6773160beaa1c2b59e4e2623389faec0d

SHA512
df47b137824482c34c0c3ddc59ca0f19bbb7a489c7330de153ece82cabc68463408d1d7c6bee8063c57f69074a47234594b9e8dd0389a02ff8e807a34b1acf9c

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\err804pm.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\err804pm.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\err804pm.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\err804pm.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\err804pm.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\err804pm.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\err804pm.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\err804pm.default-release\prefs-1.js

Filesize
8KB

MD5
72889e2b2654e7963f1378ce58f8be37

SHA1
40783ce183b59a304013efd524baccc96c364ef9

SHA256
dff7ed3654f37014dc9743c8cc10a0f0c7b01fdda1f4536232d3cdb1fcfc1a91

SHA512
254aef5cfb2d2ea8e8547c60a4a3875590f16a327c36f3f482b26e3450e1e51b821e9af4938c7074e392a9272e9da0fe23807e64c0b7e74a2f87c311d4a9f20b

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\err804pm.default-release\prefs-1.js

Filesize
6KB

MD5
8153463e8cac8ed1448819ce91e1dfd6

SHA1
40c3d63ed16b332b81b209e91bbdd2d8607ec929

SHA256
a960565713133199e4d35796161f03dc0971af9defe031c106d6f9f9f615f315

SHA512
105c7d8634a9c1f4e3604df93c902e9114b2a01ed3b4ddf86d02347d0b1a9345c7a254e1375788fd40ff2c53ddb9d77e1c3ab01210ba6640ec9a4362955c0e31

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\err804pm.default-release\prefs-1.js

Filesize
7KB

MD5
9c5ed90799c4af51b66ec8804c2ee0d7

SHA1
833f9633c70eefb9e76de5ca01203aa5b09c0fed

SHA256
03274bc8d47974e5cb3b2b28ee1be85a4f29248e2f575e4e23d818f27048d0be

SHA512
80df777224631712f1135568c6164a99437dbe341522464bdfe7930d5cbba36f4b9cdee65b1e1e0c826ac8bea360aaa00a2d45a4866ba3cf6a0ce97abcfa75df

Download Submit
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\err804pm.default-release\sessionstore-backups\recovery.jsonlz4

Filesize
1KB

MD5
c353301ec373879026b2cd9cd4da2f85

SHA1
e8eb219b6e27d6a91f6ceb999d199f0efea0cfba

SHA256
a90558aaef70cacc3226cd21a77a97e1ab9e382e5389bf19cb3b4923329e921d

SHA512
388d050a1070f7ca1e70f15f2b85dc3a2220771e9ea5c10939cd72f5d2478acf99abe45ad78c82cd563b0c8c5336ee6095000019b70c104223d2e5134586150d

Download Submit