Malware Analysis Report

2024-11-16 13:03

Sample ID 240908-t37wsswdrk
Target update.exe
SHA256 3f9687fd4061c0c227839112a50114abab1460b92c2a2ea4528263e835e4504c
Tags
discordrat persistence pyinstaller rat rootkit stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

3f9687fd4061c0c227839112a50114abab1460b92c2a2ea4528263e835e4504c

Threat Level: Known bad

The file update.exe was found to be: Known bad.

Malicious Activity Summary

discordrat persistence pyinstaller rat rootkit stealer

Discord RAT

Executes dropped EXE

Loads dropped DLL

Legitimate hosting services abused for malware hosting/C2

Detects Pyinstaller

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-08 16:36

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-08 16:36

Reported

2024-09-08 16:37

Platform

win10-20240404-en

Max time kernel

44s

Max time network

61s

Command Line

"C:\Users\Admin\AppData\Local\Temp\update.exe"

Signatures

Discord RAT

stealer rootkit rat persistence discordrat

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A
N/A discord.com N/A N/A

Detects Pyinstaller

pyinstaller
Description Indicator Process Target
N/A N/A N/A N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\sds.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\sds.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\update.exe

"C:\Users\Admin\AppData\Local\Temp\update.exe"

C:\Users\Admin\AppData\Local\Temp\sds.exe

"C:\Users\Admin\AppData\Local\Temp\sds.exe"

C:\Users\Admin\AppData\Local\Temp\main (1).exe

"C:\Users\Admin\AppData\Local\Temp\main (1).exe"

C:\Users\Admin\AppData\Local\Temp\main (1).exe

"C:\Users\Admin\AppData\Local\Temp\main (1).exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 gateway.discord.gg udp
US 162.159.135.234:443 gateway.discord.gg tcp
US 8.8.8.8:53 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.8.0.8.0.8.0.8.0.ip6.arpa udp
US 8.8.8.8:53 234.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 discord.com udp
US 162.159.135.232:443 discord.com tcp
US 1.1.1.1:80 tcp
US 8.8.8.8:53 232.135.159.162.in-addr.arpa udp
US 8.8.8.8:53 geolocation-db.com udp
DE 159.89.102.253:443 geolocation-db.com tcp
US 8.8.8.8:53 253.102.89.159.in-addr.arpa udp
US 162.159.135.232:443 discord.com tcp
US 162.159.135.232:443 discord.com tcp
US 8.8.8.8:53 blockchain.info udp
US 162.159.135.232:443 discord.com tcp
US 162.159.135.232:443 discord.com tcp
US 104.16.237.243:443 blockchain.info tcp
US 104.16.237.243:443 blockchain.info tcp
US 8.8.8.8:53 243.237.16.104.in-addr.arpa udp
US 104.16.237.243:443 blockchain.info tcp
US 104.16.237.243:443 blockchain.info tcp
US 104.16.237.243:443 blockchain.info tcp
US 104.16.237.243:443 blockchain.info tcp
US 162.159.135.232:443 discord.com tcp
US 104.16.237.243:443 blockchain.info tcp
US 104.16.237.243:443 blockchain.info tcp
US 104.16.237.243:443 blockchain.info tcp
US 104.16.237.243:443 blockchain.info tcp
US 104.16.237.243:443 blockchain.info tcp
US 104.16.237.243:443 blockchain.info tcp
US 104.16.237.243:443 blockchain.info tcp
US 104.16.237.243:443 blockchain.info tcp

Files

memory/5052-0-0x00007FFF8B983000-0x00007FFF8B984000-memory.dmp

memory/5052-1-0x0000000000A30000-0x0000000001140000-memory.dmp

memory/5052-3-0x00007FFF8B980000-0x00007FFF8C36C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\sds.exe

MD5 cae9866db4eac0baa82096a04cbc7cd4
SHA1 27b04a38c5ead6ba2af9a68ed9262c22cd7ff9fc
SHA256 94750b2325cdc4e57396d18bf8acdbdcc21b6f6ded5678797244b3f04a9ee861
SHA512 b09a310422c3a536c415c90bd789bba18188dba9f38544227d6c17d7082f978624bc328772218e76a926224038a9f84fc86b698d4f3741cfd1e397a787c1cbe3

memory/4464-8-0x0000015256550000-0x0000015256568000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\main (1).exe

MD5 48817547a8799e4f5d48f65aaaf8945d
SHA1 8b38f630e5bb651eadcb0b7b4cbceca573e567b0
SHA256 9b2ff193cbad4782ac3e320661c9da20e60fc89541833a692aa1f9effced3769
SHA512 1bf9bfa33f1498646e08b3688a40797380e9a7296ba980d2f8595eb39cb20b978afc05de2843651590b85819faecaa87eb390655fd3fcd0fa5b6a33be73b1cfa

memory/4464-11-0x0000015270C90000-0x0000015270E52000-memory.dmp

memory/4464-15-0x00007FFF8B980000-0x00007FFF8C36C000-memory.dmp

memory/4464-17-0x00007FFF8B980000-0x00007FFF8C36C000-memory.dmp

memory/5052-16-0x00007FFF8B980000-0x00007FFF8C36C000-memory.dmp

memory/4464-36-0x0000015271580000-0x0000015271AA6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI17042\python39.dll

MD5 7e9d14aa762a46bb5ebac14fbaeaa238
SHA1 a5d90a7df9b90bdd8a84d7dc5066e4ea64ceb3d9
SHA256 e456ef44b261f895a01efb52d26c7a0c7d7d465b647a7b5592708ebf693f12a3
SHA512 280f16348df1c0953bbc6f37ff277485351171d0545ebe469bacd106d907917f87584154aec0f193f37322bc93ac5433cd9a5b5c7f47367176e5a8b19bbd5023

C:\Users\Admin\AppData\Local\Temp\_MEI17042\VCRUNTIME140.dll

MD5 11d9ac94e8cb17bd23dea89f8e757f18
SHA1 d4fb80a512486821ad320c4fd67abcae63005158
SHA256 e1d6f78a72836ea120bd27a33ae89cbdc3f3ca7d9d0231aaa3aac91996d2fa4e
SHA512 aa6afd6bea27f554e3646152d8c4f96f7bcaaa4933f8b7c04346e410f93f23cfa6d29362fd5d51ccbb8b6223e094cd89e351f072ad0517553703f5bf9de28778

C:\Users\Admin\AppData\Local\Temp\_MEI17042\base_library.zip

MD5 cd974ccd2e9654d3feb1eb81d291fcdc
SHA1 b612a361c646af790aacd791329ab3941daf6321
SHA256 9b57351780071d98e838c899bfe9e2a1caf00399196cf50b1b6ebaea4ec9b922
SHA512 78de4ba1a666f30cf9a0101d901396a46695fd5fbb6760f27a4bf26695835ee3221a074abd042f87fab2b322fc2b92c5cac190b3863c325df9a042f6b8b4bf0a

\Users\Admin\AppData\Local\Temp\_MEI17042\_ctypes.pyd

MD5 7ab242d7c026dad5e5837b4579bd4eda
SHA1 b3ff01b8b3da2b3a9c37bfffafc4fb9ee957cc0f
SHA256 1548506345d220d68e9089b9a68b42a9d796141eb6236e600283951cb206eaa1
SHA512 1dd09cf14c87f60b42e5e56d0104154513902c9bfa23eef76a92f4a96c2356b2812dd6eee5e9a74d5ed078ade5f8f6d1f1b01961d7efadfebb543d71c2d31a30

\Users\Admin\AppData\Local\Temp\_MEI17042\libffi-7.dll

MD5 eef7981412be8ea459064d3090f4b3aa
SHA1 c60da4830ce27afc234b3c3014c583f7f0a5a925
SHA256 f60dd9f2fcbd495674dfc1555effb710eb081fc7d4cae5fa58c438ab50405081
SHA512 dc9ff4202f74a13ca9949a123dff4c0223da969f49e9348feaf93da4470f7be82cfa1d392566eaaa836d77dde7193fed15a8395509f72a0e9f97c66c0a096016

C:\Users\Admin\AppData\Local\Temp\_MEI17042\_socket.pyd

MD5 4b2f1faab9e55a65afa05f407c92cab4
SHA1 1e5091b09fc0305cf29ec2e715088e7f46ccbbd4
SHA256 241db349093604ab25405402ba8c4212016657c7e6a10edd3110abeb1cc2e1ba
SHA512 68070db39cd14841bcd49db1acf19806b0aa4b4ac4c56518b3a3baddaac1cd533f0b3ef70a378f53d65c0d6c0f745a6102b63303ea7978c79f688c787efe9cc3

C:\Users\Admin\AppData\Local\Temp\_MEI17042\select.pyd

MD5 f8f5a047b98309d425fd06b3b41b16e4
SHA1 2a44819409199b47f11d5d022e6bb1d5d1e77aea
SHA256 5361da714a61f99136737630d50fa4e975d76f5de75e181af73c5a23a2b49012
SHA512 f0a96790fcdabf02b452f5c6b27604f5a10586b4bf759994e6d636cc55335026631fa302e209a53f5e454bea03b958b6d662e0be91fa64ce187a7dc5d35a9aa9

C:\Users\Admin\AppData\Local\Temp\_MEI17042\_ssl.pyd

MD5 6f52439450ad38bf940eef2b662e4234
SHA1 3dea643fac7e10cae16c6976982a626dd59ff64a
SHA256 31c95af04a76d3badbdd3970d9b4c6b9a72278e69d0d850a4710f1d9a01618d7
SHA512 fdd97e04f4a7b1814c2f904029dfb5cdfcd8a125fce884dcd6fdb09fb8a691963192192f22cf4e9d79dd2598cf097a8764aeec7a79e70a9795250c8ef0024474

C:\Users\Admin\AppData\Local\Temp\_MEI17042\libcrypto-1_1.dll

MD5 63c4f445b6998e63a1414f5765c18217
SHA1 8c1ac1b4290b122e62f706f7434517077974f40e
SHA256 664c3e52f914e351bb8a66ce2465ee0d40acab1d2a6b3167ae6acf6f1d1724d2
SHA512 aa7bdb3c5bc8aeefbad70d785f2468acbb88ef6e6cac175da765647030734453a2836f9658dc7ce33f6fff0de85cb701c825ef5c04018d79fa1953c8ef946afd

C:\Users\Admin\AppData\Local\Temp\_MEI17042\libssl-1_1.dll

MD5 bd857f444ebbf147a8fcd1215efe79fc
SHA1 1550e0d241c27f41c63f197b1bd669591a20c15b
SHA256 b7c0e42c1a60a2a062b899c8d4ebd0c50ef956177ba21785ce07c517c143aeaf
SHA512 2b85c1521edeadf7e118610d6546fafbbad43c288a7f0f9d38d97c4423a541dfac686634cde956812916830fbb4aad8351a23d95cd490c4a5c0f628244d30f0a

C:\Users\Admin\AppData\Local\Temp\_MEI17042\_hashlib.pyd

MD5 ae32a39887d7516223c1e7ffdc3b6911
SHA1 94b9055c584df9afb291b3917ff3d972b3cd2492
SHA256 7936413bc24307f01b90cac2d2cc19f38264d396c1ab8eda180abba2f77162eb
SHA512 1f17af61c917fe373f0a40f06ce2b42041447f9e314b2f003b9bd62df87c121467d14ce3f8e778d3447c4869bf381c58600c1e11656ebda6139e6196262ae17e

C:\Users\Admin\AppData\Local\Temp\_MEI17042\_bz2.pyd

MD5 124678d21d4b747ec6f1e77357393dd6
SHA1 dbfb53c40d68eba436934b01ebe4f8ee925e1f8e
SHA256 9483c4853ca1da3c5b2310dbdd3b835a44df6066620278aa96b2e665c4b4e86b
SHA512 2882779b88ed48af1e27c2bc212ddc7e4187d26a28a90655cef98dd44bc07cc93da5bce2442af26d7825639590b1e2b78bf619d50736d67164726a342be348fa

C:\Users\Admin\AppData\Local\Temp\_MEI17042\_lzma.pyd

MD5 a77c9a75ed7d9f455e896b8fb09b494c
SHA1 c85d30bf602d8671f6f446cdaba98de99793e481
SHA256 4797aaf192eb56b32ca4febd1fad5be9e01a24e42bf6af2d04fcdf74c8d36fa5
SHA512 4d6d93aa0347c49d3f683ee7bc91a3c570c60126c534060654891fad0391321e09b292c9386fb99f6ea2c2eca032889841fce3cab8957bb489760daac6f79e71

C:\Users\Admin\AppData\Local\Temp\_MEI17042\_queue.pyd

MD5 e64538868d97697d62862b52df32d81b
SHA1 2279c5430032ad75338bab3aa28eb554ecd4cd45
SHA256 b0bd6330c525b4c64d036d29a3733582928e089d99909500e8564ae139459c5f
SHA512 8544f5df6d621a5ff2ca26da65b49f57e19c60b4177a678a00a5feb130bf0902f780b707845b5a4dd9f12ddb673b462f77190e71cbe358db385941f0f38e4996

\Users\Admin\AppData\Local\Temp\_MEI17042\_multiprocessing.pyd

MD5 090756c9d9317a92830e81a0493a1767
SHA1 46bddb440e049dc8294a6becbd839239df62e31a
SHA256 a55c37779772a36bfb5811cc349dcdc2429ef1fbab40fe4cfea9d7fcd23173ab
SHA512 19e7cdde87e043bd8e6658fdd6e573bfe6d50f6975d974365a41b8657c46200212ab53bc2e88685ebb4d3b88ee66c0706e07d7d67f16006505f38263dc02af12

C:\Users\Admin\AppData\Local\Temp\_MEI17042\unicodedata.pyd

MD5 87f3e3cf017614f58c89c087f63a9c95
SHA1 0edc1309e514f8a147d62f7e9561172f3b195cd7
SHA256 ba6606dcdf1db16a1f0ef94c87adf580bb816105d60cf08bc570b17312a849da
SHA512 73f00f44239b2744c37664dbf2b7df9c178a11aa320b9437055901746036003367067f417414382977bf8379df8738c862b69d8d36c6e6aa0b0650833052c85f

memory/4464-75-0x00007FFF8B980000-0x00007FFF8C36C000-memory.dmp

memory/4464-76-0x00007FFF8B980000-0x00007FFF8C36C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\_MEI17042\certifi\cacert.pem

MD5 3dcd08b803fbb28231e18b5d1eef4258
SHA1 b81ea40b943cd8a0c341f3a13e5bc05090b5a72a
SHA256 de2fa17c4d8ae68dc204a1b6b58b7a7a12569367cfeb8a3a4e1f377c73e83e9e
SHA512 9cc7106e921fbcf8c56745b38051a5a56154c600e3c553f2e64d93ec988c88b17f6d49698bdc18e3aa57ae96a79ee2c08c584c7c4c91cc6ea72db3dca6ccc2f5