Analysis
- max time kernel
149s - max time network
150s - platform
windows7_x64 - resource
win7-20240705-en - resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system - submitted
09/07/2024, 09:49
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
118327932 AR_Feb_kazkhstan _2024-v2.exe
Resource
win7-20240705-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
118327932 AR_Feb_kazkhstan _2024-v2.exe
Resource
win10v2004-20240704-en
0 signatures
150 seconds
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240704-en
2 signatures
150 seconds
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20240704-en
2 signatures
150 seconds
General
- Target 118327932 AR_Feb_kazkhstan _2024-v2.exe
- Size 697KB
- Sample240709-ltd85axejr
- SHA256 2e2b22d80e84945f3149e24fb08a874e5293d4fbbff6d7df7c941fb47be9b4ff
- MD5 f2ce50197b4bbb37ea2d92b6375ad39a
- SHA1 49453ce5731b600b9459fcd4896cfb22ba85e069
- SHA512 70ef9adc4a09b6fdec670a251f3ce2a5b73491bf334bd3c5ca005ccac654c7e99197ef109f173d63c2d0cef94b1b8519457e156c91703d9d241e4b6183475fdc
- SSDEEP 12288:9F8SHwVMnjioNvXt2sMVfbc7/B/XVu4HbSeHEt7XtdPMh5EpRamarPV+:9+swyRsVfgBs47s19dPQ5EpRamarPE
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
pid Process 2044 118327932 AR_Feb_kazkhstan _2024-v2.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Startup key = "C:\\Users\\Admin\\AppData\\Local\\Temp\\subfolder1\\Spektralanalyser.exe" wab.exe - Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 4 drive.google.com 5 drive.google.com - Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
pid Process 2696 wab.exe 2696 wab.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 2044 118327932 AR_Feb_kazkhstan _2024-v2.exe 2696 wab.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2044 set thread context of 2696 2044 118327932 AR_Feb_kazkhstan _2024-v2.exe 31 - Drops file in Windows directory 1 IoCs
description ioc Process File opened for modification C:\Windows\Fonts\Apokryfens\Byggrynene.ini 118327932 AR_Feb_kazkhstan _2024-v2.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2044 118327932 AR_Feb_kazkhstan _2024-v2.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2696 wab.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2044 wrote to memory of 2696 2044 118327932 AR_Feb_kazkhstan _2024-v2.exe 31 PID 2044 wrote to memory of 2696 2044 118327932 AR_Feb_kazkhstan _2024-v2.exe 31 PID 2044 wrote to memory of 2696 2044 118327932 AR_Feb_kazkhstan _2024-v2.exe 31 PID 2044 wrote to memory of 2696 2044 118327932 AR_Feb_kazkhstan _2024-v2.exe 31 PID 2044 wrote to memory of 2696 2044 118327932 AR_Feb_kazkhstan _2024-v2.exe 31 PID 2044 wrote to memory of 2696 2044 118327932 AR_Feb_kazkhstan _2024-v2.exe 31
Processes
-
C:\Users\Admin\AppData\Local\Temp\118327932 AR_Feb_kazkhstan _2024-v2.exe"C:\Users\Admin\AppData\Local\Temp\118327932 AR_Feb_kazkhstan _2024-v2.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2044 -
C:\Program Files (x86)\windows mail\wab.exe"C:\Users\Admin\AppData\Local\Temp\118327932 AR_Feb_kazkhstan _2024-v2.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
PID:2696
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path \Users\Admin\AppData\Local\Temp\nst9CEC.tmp\System.dll
- Size 11KB
- SHA256 fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e
- MD5 3f176d1ee13b0d7d6bd92e1c7a0b9bae
- SHA1 fe582246792774c2c9dd15639ffa0aca90d6fd0b
- SHA512 0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6
- SSDEEP 192:OPtkumJX7zB22kGwfy0mtVgkCPOsX1un:/702k5qpdsXQn
- MD5 SHA1 SHA512 SSDEEP