Analysis
-
max time kernel
142s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
12/10/2023, 16:40
Static task
static1
Behavioral task
behavioral1
Sample
ekstre.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
ekstre.exe
Resource
win10v2004-20230915-en
General
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Target
ekstre.exe
-
Size
425KB
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MD5
3832b480f61f07e2d06d079d31fc8705
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SHA1
25f315d13ade293374cfa9ca620d86c5ca26faf1
-
SHA256
d1618b8ab6baabcd41e3c9615a95087c609a94ac20625aac79fe23f8842cd4f9
-
SHA512
5134d887285b68bed9f7461c2949c03ee46b0c17aaecadda1bef282c9ed1d1df65924b8000dec8e57526a2750dfd24a953ad91941be9cc6a89bfd1ccdeeeab61
-
SSDEEP
6144:xB+pgUvsgje7ILAg2zsFnDMKxhyeELaKQ6zhMcAPn5bEEpdOBW5kcTIHIuIMjCA2:xgnN+4ABzInXKLMcCxESeWacTIHIHCmT
Malware Config
Signatures
-
Azorult
An information stealer that was first discovered in 2016, targeting browsing history and passwords.
-
Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
-
Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
description ioc Process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe ekstre.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe ekstre.exe -
Loads dropped DLL 21 IoCs
pid Process 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe 656 ekstre.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 3040 ekstre.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 656 ekstre.exe 3040 ekstre.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 656 set thread context of 3040 656 ekstre.exe 92 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 656 ekstre.exe -
Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 656 wrote to memory of 3040 656 ekstre.exe 92 PID 656 wrote to memory of 3040 656 ekstre.exe 92 PID 656 wrote to memory of 3040 656 ekstre.exe 92 PID 656 wrote to memory of 3040 656 ekstre.exe 92 PID 656 wrote to memory of 3040 656 ekstre.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\ekstre.exe"C:\Users\Admin\AppData\Local\Temp\ekstre.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:656 -
C:\Users\Admin\AppData\Local\Temp\ekstre.exe"C:\Users\Admin\AppData\Local\Temp\ekstre.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:3040
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
7KB
MD5744f9c42403e9aabde8fc65d40bccd3e
SHA19ab49924ffa1560e5e3b70b097236a1451945829
SHA2568eb85584031b2e1d74daf372e60a72f767e8861db9d4ca2dc1981511f620e51e
SHA512924cacc1d1dd5260b6adf081bf1bfc83edaf51546af7e2f644ab53152e25889552fc99c50ddc45dc1850d7c165877637df11cd35709a49d57e6201b6f4690244
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Filesize
11KB
MD5a4dd044bcd94e9b3370ccf095b31f896
SHA117c78201323ab2095bc53184aa8267c9187d5173
SHA2562e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
SHA51287335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
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Filesize
11KB
MD5a4dd044bcd94e9b3370ccf095b31f896
SHA117c78201323ab2095bc53184aa8267c9187d5173
SHA2562e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
SHA51287335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
-
Filesize
11KB
MD5a4dd044bcd94e9b3370ccf095b31f896
SHA117c78201323ab2095bc53184aa8267c9187d5173
SHA2562e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
SHA51287335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
-
Filesize
11KB
MD5a4dd044bcd94e9b3370ccf095b31f896
SHA117c78201323ab2095bc53184aa8267c9187d5173
SHA2562e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
SHA51287335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
-
Filesize
11KB
MD5a4dd044bcd94e9b3370ccf095b31f896
SHA117c78201323ab2095bc53184aa8267c9187d5173
SHA2562e226715419a5882e2e14278940ee8ef0aa648a3ef7af5b3dc252674111962bc
SHA51287335a43b9ca13e1300c7c23e702e87c669e2bcf4f6065f0c684fc53165e9c1f091cc4d79a3eca3910f0518d3b647120ac0be1a68eaade2e75eaa64adfc92c5a
-
Filesize
9KB
MD50d45588070cf728359055f776af16ec4
SHA1c4375ceb2883dee74632e81addbfa4e8b0c6d84a
SHA256067c77d51df034b4a614f83803140fbf4cd2f8684b88ea8c8acdf163edad085a
SHA512751ebf4c43f100b41f799d0fbf8db118ea8751df029c1f4c4b0daeb0fef200ddf2e41c1c9c55c2dc94f2c841cf6acb7df355e98a2e5877a7797f0f1d41a7e415
-
Filesize
9KB
MD50d45588070cf728359055f776af16ec4
SHA1c4375ceb2883dee74632e81addbfa4e8b0c6d84a
SHA256067c77d51df034b4a614f83803140fbf4cd2f8684b88ea8c8acdf163edad085a
SHA512751ebf4c43f100b41f799d0fbf8db118ea8751df029c1f4c4b0daeb0fef200ddf2e41c1c9c55c2dc94f2c841cf6acb7df355e98a2e5877a7797f0f1d41a7e415
-
Filesize
9KB
MD50d45588070cf728359055f776af16ec4
SHA1c4375ceb2883dee74632e81addbfa4e8b0c6d84a
SHA256067c77d51df034b4a614f83803140fbf4cd2f8684b88ea8c8acdf163edad085a
SHA512751ebf4c43f100b41f799d0fbf8db118ea8751df029c1f4c4b0daeb0fef200ddf2e41c1c9c55c2dc94f2c841cf6acb7df355e98a2e5877a7797f0f1d41a7e415
-
Filesize
9KB
MD50d45588070cf728359055f776af16ec4
SHA1c4375ceb2883dee74632e81addbfa4e8b0c6d84a
SHA256067c77d51df034b4a614f83803140fbf4cd2f8684b88ea8c8acdf163edad085a
SHA512751ebf4c43f100b41f799d0fbf8db118ea8751df029c1f4c4b0daeb0fef200ddf2e41c1c9c55c2dc94f2c841cf6acb7df355e98a2e5877a7797f0f1d41a7e415
-
Filesize
9KB
MD50d45588070cf728359055f776af16ec4
SHA1c4375ceb2883dee74632e81addbfa4e8b0c6d84a
SHA256067c77d51df034b4a614f83803140fbf4cd2f8684b88ea8c8acdf163edad085a
SHA512751ebf4c43f100b41f799d0fbf8db118ea8751df029c1f4c4b0daeb0fef200ddf2e41c1c9c55c2dc94f2c841cf6acb7df355e98a2e5877a7797f0f1d41a7e415
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
6KB
MD5c5b9fe538654a5a259cf64c2455c5426
SHA1db45505fa041af025de53a0580758f3694b9444a
SHA2567b51372117960e84d6f5eb3a26810cc044ff02283b3d656a0a456b0ab5cb8ea7
SHA512f0f8a5570c01b16e54f47502e867ffbaf162b44a847c0ffc8062d20e9492114229de5d9d2a836da256fd3f9fb493536bdbf148d5308695b16c0e98d20d8926aa
-
Filesize
41B
MD5c4829906d876f22ae69d5bdf4e401ae9
SHA14be3cc23f889d83675eb8e412776f425df75ab81
SHA25691543ad310d29d76cf717afcf0fd1db03c798cabd5448940de84516352c5c7cb
SHA5127788e3afabb9e85a1e0f71355535f7ef0694d1ab48a2c94e560671730e36703411532964bd490c0abb835a5f10cb7794ab51f4b162461d0428e6de2de4afae60