3489145fac91f1ee593832061be68061bf1809c762415c63937789ae65e7794e

Analysis

max time kernel
3s
max time network
7s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
02-11-2024 17:56

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General

Target

Built.exe
Size

6.0MB
MD5

e59f65a63c814c7379cd37ffaf4e31b7
SHA1

3b1e7d96f4c0bb1ff6ec82ad406d711b95729ece
SHA256

3489145fac91f1ee593832061be68061bf1809c762415c63937789ae65e7794e
SHA512

a56fce46c48edb89f94ac122aba8d4144c067b46928f6962e587512e417d763fc7842608e4e4a2a2cb31a6ecfb8f25bc6bb9fbc98c4a00cd317408004cadd510
SSDEEP

98304:mWEtdFB42WPamaHl3Ne4i3gmtfXJOLhx9fZAzDJ4wzQgsRuGK4RKOLPxPvsMyI:mVFidSeN/FJMIDJf0gsAGK4RRLPxHsPI

Score

8^/10

execution upx

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1628	powershell.exe
4620	powershell.exe

Loads dropped DLL 8 IoCs

pid	Process
4164	Built.exe
4164	Built.exe
4164	Built.exe
4164	Built.exe
4164	Built.exe
4164	Built.exe
4164	Built.exe
4164	Built.exe

UPX packed file 33 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x002e000000045111-21.dat	upx
behavioral1/memory/4164-25-0x00007FF9D6980000-0x00007FF9D6DEE000-memory.dmp	upx
behavioral1/files/0x00280000000450e8-27.dat	upx
behavioral1/memory/4164-48-0x00007FF9ED410000-0x00007FF9ED41F000-memory.dmp	upx
behavioral1/files/0x002800000004510c-29.dat	upx
behavioral1/files/0x00280000000450f6-47.dat	upx
behavioral1/files/0x002a0000000450ee-46.dat	upx
behavioral1/files/0x00280000000450ed-45.dat	upx
behavioral1/files/0x00290000000450ec-44.dat	upx
behavioral1/files/0x00280000000450eb-43.dat	upx
behavioral1/files/0x00280000000450ea-42.dat	upx
behavioral1/files/0x00280000000450e9-41.dat	upx
behavioral1/files/0x00280000000450e7-40.dat	upx
behavioral1/files/0x0028000000045119-39.dat	upx
behavioral1/files/0x0028000000045118-38.dat	upx
behavioral1/files/0x0028000000045117-37.dat	upx
behavioral1/files/0x002800000004510d-34.dat	upx
behavioral1/files/0x0024000000045106-33.dat	upx
behavioral1/memory/4164-30-0x00007FF9E6310000-0x00007FF9E6334000-memory.dmp	upx
behavioral1/memory/4164-54-0x00007FF9E62B0000-0x00007FF9E62DD000-memory.dmp	upx
behavioral1/memory/4164-58-0x00007FF9E6290000-0x00007FF9E62AF000-memory.dmp	upx
behavioral1/memory/4164-57-0x00007FF9E6760000-0x00007FF9E6779000-memory.dmp	upx
behavioral1/memory/4164-60-0x00007FF9D65E0000-0x00007FF9D6751000-memory.dmp	upx
behavioral1/memory/4164-62-0x00007FF9E60E0000-0x00007FF9E60F9000-memory.dmp	upx
behavioral1/memory/4164-64-0x00007FF9EA650000-0x00007FF9EA65D000-memory.dmp	upx
behavioral1/memory/4164-69-0x00007FF9E56C0000-0x00007FF9E56EE000-memory.dmp	upx
behavioral1/memory/4164-71-0x00007FF9D61A0000-0x00007FF9D6515000-memory.dmp	upx
behavioral1/memory/4164-78-0x00007FF9D6520000-0x00007FF9D65D8000-memory.dmp	upx
behavioral1/memory/4164-77-0x00007FF9D6080000-0x00007FF9D6198000-memory.dmp	upx
behavioral1/memory/4164-76-0x00007FF9E63D0000-0x00007FF9E63DD000-memory.dmp	upx
behavioral1/memory/4164-75-0x00007FF9D6980000-0x00007FF9D6DEE000-memory.dmp	upx
behavioral1/memory/4164-79-0x00007FF9E5550000-0x00007FF9E5564000-memory.dmp	upx
behavioral1/memory/4164-80-0x00007FF9E6310000-0x00007FF9E6334000-memory.dmp	upx

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3616 wrote to memory of 4164	3616	Built.exe	83
PID 3616 wrote to memory of 4164	3616	Built.exe	83

C:\Users\Admin\AppData\Local\Temp\Built.exe
"C:\Users\Admin\AppData\Local\Temp\Built.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3616
- C:\Users\Admin\AppData\Local\Temp\Built.exe
  "C:\Users\Admin\AppData\Local\Temp\Built.exe"
  2⤵
  - Loads dropped DLL
  PID:4164
- - 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:4888
  - - 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:1628
- - 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:1000
  - - 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:4620

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\_MEI36162\VCRUNTIME140.dll

Filesize
106KB

MD5
870fea4e961e2fbd00110d3783e529be

SHA1
a948e65c6f73d7da4ffde4e8533c098a00cc7311

SHA256
76fdb83fde238226b5bebaf3392ee562e2cb7ca8d3ef75983bf5f9d6c7119644

SHA512
0b636a3cdefa343eb4cb228b391bb657b5b4c20df62889cd1be44c7bee94ffad6ec82dc4db79949edef576bff57867e0d084e0a597bf7bf5c8e4ed1268477e88

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\_bz2.pyd

Filesize
46KB

MD5
93fe6d3a67b46370565db12a9969d776

SHA1
ff520df8c24ed8aa6567dd0141ef65c4ea00903b

SHA256
92ec61ca9ac5742e0848a6bbb9b6b4cda8e039e12ab0f17fb9342d082dde471b

SHA512
5c91b56198a8295086c61b4f4e9f16900a7ec43ca4b84e793bc8a3fc8676048cab576e936515bf2971318c7847f1314674b3336fe83b1734f9f70d09615519ac

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\_ctypes.pyd

Filesize
56KB

MD5
813fc3981cae89a4f93bf7336d3dc5ef

SHA1
daff28bcd155a84e55d2603be07ca57e3934a0de

SHA256
4ac7fb7b354069e71ebf7fcc193c0f99af559010a0ad82a03b49a92deb0f4d06

SHA512
ce93f21b315d96fde96517a7e13f66aa840d4ad1c6e69e68389e235e43581ad543095582ebcb9d2c6dda11c17851b88f5b1ed1d59d354578fe27e7299bbea1cc

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\_decimal.pyd

Filesize
103KB

MD5
f65d2fed5417feb5fa8c48f106e6caf7

SHA1
9260b1535bb811183c9789c23ddd684a9425ffaa

SHA256
574fe8e01054a5ba07950e41f37e9cf0aea753f20fe1a31f58e19202d1f641d8

SHA512
030502fa4895e0d82c8cce00e78831fc3b2e6d956c8cc3b9fb5e50cb23ef07cd6942949a9f16d02da6908523d9d4ef5f722fb1336d4a80cd944c9f0cb11239ab

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\_hashlib.pyd

Filesize
33KB

MD5
4ae75c47dbdebaa16a596f31b27abd9e

SHA1
a11f963139c715921dedd24bc957ab6d14788c34

SHA256
2308ee238cc849b1110018b211b149d607bf447f4e4c1e61449049eab0cf513d

SHA512
e908fecb52268fac71933e2fdb96e539bdebe4675dfb50065aee26727bac53e07cca862193bcb3ab72d2ae62d660113a47e73e1e16db401480e4d3fd34d54fa8

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\_lzma.pyd

Filesize
84KB

MD5
6f810f46f308f7c6ccddca45d8f50039

SHA1
6ee24ff6d1c95ba67e1275bb82b9d539a7f56cea

SHA256
39497259b87038e86c53e7a39a0b5bbbfcebe00b2f045a148041300b31f33b76

SHA512
c692367a26415016e05ebe828309d3ffec290c6d2fd8cc7419d529a51b0beda00ccdc327c9f187ae3ca0cc96336d23d84a8ff95b729c8958b14fb91b6da9e878

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\_queue.pyd

Filesize
24KB

MD5
0e7612fc1a1fad5a829d4e25cfa87c4f

SHA1
3db2d6274ce3dbe3dbb00d799963df8c3046a1d6

SHA256
9f6965eb89bbf60df0c51ef0750bbd0655675110d6c42eca0274d109bd9f18a8

SHA512
52c57996385b9a573e3105efa09fd6fd24561589b032ef2b2ee60a717f4b33713c35989f2265669f980646d673e3c387b30b9fc98033bb8ca7c59ece1c17e517

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\_socket.pyd

Filesize
41KB

MD5
7a31bc84c0385590e5a01c4cbe3865c3

SHA1
77c4121abe6e134660575d9015308e4b76c69d7c

SHA256
5614017765322b81cc57d841b3a63cbdc88678ff605e5d4c8fdbbf8f0ac00f36

SHA512
b80cd51e395a3ce6f345b69243d8fc6c46e2e3828bd0a7e63673a508d889a9905d562cac29f1ed394ccfcda72f2f2e22f675963dd96261c19683b06dea0a0882

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\_sqlite3.pyd

Filesize
48KB

MD5
bb4aa2d11444900c549e201eb1a4cdd6

SHA1
ca3bb6fc64d66deaddd804038ea98002d254c50e

SHA256
f44d80ab16c27ca65da23ae5fda17eb842065f3e956f10126322b2ea3ecdf43f

SHA512
cd3c5704e5d99980109fdc505d39ad5b26a951685e9d8e3fed9e0848cd44e24cc4611669dbdb58acc20f1f4a5c37d5e01d9d965cf6fe74f94da1b29aa2ff6931

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\_ssl.pyd

Filesize
60KB

MD5
081c878324505d643a70efcc5a80a371

SHA1
8bef8336476d8b7c5c9ef71d7b7db4100de32348

SHA256
fcb70b58f94f5b0f9d027999cce25e99ddcc8124e4ddcc521cb5b96a52faaa66

SHA512
c36293b968a2f83705815ef3a207e444eeb7667ad9af61df75e85151f74f2fe0a299b3b1349de0d410bbbaea9f99cac5228189099a221de5fa1e20c97c648e32

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\base_library.zip

Filesize
859KB

MD5
07d86d3854f6fed735b0cbf6781a9264

SHA1
a5e24d2d5645cfca463e47757712b59c238b3b8c

SHA256
41e5fbd199eb172d47c5b0385cc78e902211a729ea9142ab100f76f63c607a69

SHA512
8c2852f44a9d6c554c0fb23be7d5136f752e6389daf6e0e23e75e241a6b53632ad44f05aab5b29abe78dd84e6953195b42d3b6d1d5773ad3ddb6a2a826c38e1c

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\blank.aes

Filesize
75KB

MD5
88bd7bccbfed1d4331e96b39ac5ed558

SHA1
f0cc41515fad982aca55f571640a521189ab95af

SHA256
8ca58a0f6460cd3ed305557db07a035c15deb9e96b895a83ebd87aa0e2a9f0df

SHA512
2ff1e1ea10ded0263d34d63a2194e6b92cedba289609abe507b47fbfb74d27c3caf72c97bb410194141556996111452433bb9533f6458a73e45a3627654eede8

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\libcrypto-1_1.dll

Filesize
1.1MB

MD5
daa2eed9dceafaef826557ff8a754204

SHA1
27d668af7015843104aa5c20ec6bbd30f673e901

SHA256
4dab915333d42f071fe466df5578fd98f38f9e0efa6d9355e9b4445ffa1ca914

SHA512
7044715550b7098277a015219688c7e7a481a60e4d29f5f6558b10c7ac29195c6d5377dc234da57d9def0c217bb3d7feca332a64d632ca105503849f15e057ea

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\libffi-7.dll

Filesize
23KB

MD5
6f818913fafe8e4df7fedc46131f201f

SHA1
bbb7ba3edbd4783f7f973d97b0b568cc69cadac5

SHA256
3f94ee4f23f6c7702ab0cc12995a6457bf22183fa828c30cc12288adf153ae56

SHA512
5473fe57dc40af44edb4f8a7efd68c512784649d51b2045d570c7e49399990285b59cfa6bcd25ef1316e0a073ea2a89fe46be3bfc33f05e3333037a1fd3a6639

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\libssl-1_1.dll

Filesize
203KB

MD5
eac369b3fde5c6e8955bd0b8e31d0830

SHA1
4bf77158c18fe3a290e44abd2ac1834675de66b4

SHA256
60771fb23ee37b4414d364e6477490324f142a907308a691f3dd88dc25e38d6c

SHA512
c51f05d26fda5e995fe6763877d4fcdb89cd92ef2d6ee997e49cc1ee7a77146669d26ec00ad76f940ef55adae82921dede42e55f51bd10d1283ecfe7c5009778

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\python310.dll

Filesize
1.4MB

MD5
178a0f45fde7db40c238f1340a0c0ec0

SHA1
dcd2d3d14e06da3e8d7dc91a69b5fd785768b5fe

SHA256
9fcb5ad15bd33dd72122a171a5d950e8e47ceda09372f25df828010cde24b8ed

SHA512
4b790046787e57b9414a796838a026b1530f497a75c8e62d62b56f8c16a0cbedbefad3d4be957bc18379f64374d8d3bf62d3c64b53476c7c5005a7355acd2cee

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\rar.exe

Filesize
615KB

MD5
9c223575ae5b9544bc3d69ac6364f75e

SHA1
8a1cb5ee02c742e937febc57609ac312247ba386

SHA256
90341ac8dcc9ec5f9efe89945a381eb701fe15c3196f594d9d9f0f67b4fc2213

SHA512
57663e2c07b56024aaae07515ee3a56b2f5068ebb2f2dc42be95d1224376c2458da21c965aab6ae54de780cb874c2fc9de83d9089abf4536de0f50faca582d09

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\rarreg.key

Filesize
456B

MD5
4531984cad7dacf24c086830068c4abe

SHA1
fa7c8c46677af01a83cf652ef30ba39b2aae14c3

SHA256
58209c8ab4191e834ffe2ecd003fd7a830d3650f0fd1355a74eb8a47c61d4211

SHA512
00056f471945d838ef2ce56d51c32967879fe54fcbf93a237ed85a98e27c5c8d2a39bc815b41c15caace2071edd0239d775a31d1794dc4dba49e7ecff1555122

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\select.pyd

Filesize
24KB

MD5
666358e0d7752530fc4e074ed7e10e62

SHA1
b9c6215821f5122c5176ce3cf6658c28c22d46ba

SHA256
6615c62fa010bfba5527f5da8af97313a1af986f8564277222a72a1731248841

SHA512
1d3d35c095892562ddd2868fbd08473e48b3bb0cb64ef9ccc5550a06c88dda0d82383a1316b6c5584a49ca28ed1ef1e5ca94ec699a423a001ccd952bd6bd553d

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\sqlite3.dll

Filesize
608KB

MD5
bd2819965b59f015ec4233be2c06f0c1

SHA1
cff965068f1659d77be6f4942ca1ada3575ca6e2

SHA256
ab072d20cee82ae925dae78fd41cae7cd6257d14fd867996382a69592091d8ec

SHA512
f7758bd71d2ad236bf3220db0ad26f3866d9977eab311a5912f6e079b59fa918735c852de6dbf7b5fee9e04124bc0cd438c4c71edc0c04309330108ba0085d59

Download Submit
C:\Users\Admin\AppData\Local\Temp\_MEI36162\unicodedata.pyd

Filesize
287KB

MD5
7a462a10aa1495cef8bfca406fb3637e

SHA1
6dcbd46198b89ef3007c76deb42ab10ba4c4cf40

SHA256
459bca991fcb88082d49d22cc6ebffe37381a5bd3efcc77c5a52f7a4bb3184c0

SHA512
d2b7c6997b4bd390257880a6f3336e88d1dd7159049811f8d7c54e3623e9b033e18e8922422869c81de72fc8c10890c173d8a958d192dd03bfc57cffaea1ac7b

Download Submit
memory/1628-82-0x0000020BE04A0000-0x0000020BE04C2000-memory.dmp

Filesize
136KB

Download
memory/1628-81-0x00007FF9D4E63000-0x00007FF9D4E65000-memory.dmp

Filesize
8KB

Download
memory/4164-60-0x00007FF9D65E0000-0x00007FF9D6751000-memory.dmp

Filesize
1.4MB

Download
memory/4164-71-0x00007FF9D61A0000-0x00007FF9D6515000-memory.dmp

Filesize
3.5MB

Download
memory/4164-58-0x00007FF9E6290000-0x00007FF9E62AF000-memory.dmp

Filesize
124KB

Download
memory/4164-57-0x00007FF9E6760000-0x00007FF9E6779000-memory.dmp

Filesize
100KB

Download
memory/4164-30-0x00007FF9E6310000-0x00007FF9E6334000-memory.dmp

Filesize
144KB

Download
memory/4164-62-0x00007FF9E60E0000-0x00007FF9E60F9000-memory.dmp

Filesize
100KB

Download
memory/4164-64-0x00007FF9EA650000-0x00007FF9EA65D000-memory.dmp

Filesize
52KB

Download
memory/4164-69-0x00007FF9E56C0000-0x00007FF9E56EE000-memory.dmp

Filesize
184KB

Download
memory/4164-70-0x00000196D3390000-0x00000196D3705000-memory.dmp

Filesize
3.5MB

Download
memory/4164-54-0x00007FF9E62B0000-0x00007FF9E62DD000-memory.dmp

Filesize
180KB

Download
memory/4164-78-0x00007FF9D6520000-0x00007FF9D65D8000-memory.dmp

Filesize
736KB

Download
memory/4164-77-0x00007FF9D6080000-0x00007FF9D6198000-memory.dmp

Filesize
1.1MB

Download
memory/4164-76-0x00007FF9E63D0000-0x00007FF9E63DD000-memory.dmp

Filesize
52KB

Download
memory/4164-75-0x00007FF9D6980000-0x00007FF9D6DEE000-memory.dmp

Filesize
4.4MB

Download
memory/4164-79-0x00007FF9E5550000-0x00007FF9E5564000-memory.dmp

Filesize
80KB

Download
memory/4164-80-0x00007FF9E6310000-0x00007FF9E6334000-memory.dmp

Filesize
144KB

Download
memory/4164-25-0x00007FF9D6980000-0x00007FF9D6DEE000-memory.dmp

Filesize
4.4MB

Download
memory/4164-48-0x00007FF9ED410000-0x00007FF9ED41F000-memory.dmp

Filesize
60KB

Download