Analysis
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max time kernel
132s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
31-08-2024 13:58
Static task
static1
Behavioral task
behavioral1
Sample
a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe
Resource
win10v2004-20240802-en
General
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Target
a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe
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Size
396KB
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MD5
8d97f71457a0a2977a82571583306c26
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SHA1
936800c740c13a3fc2e05a1c1376007f58002a7d
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SHA256
a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f
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SHA512
5708375538d7b9927784809912a0b0588e200aaf62668226b9b83c2c4879306d989bef3033807bd7bb8989a56b58b2369b42327968f23f2dddc6d9b2975c51f5
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SSDEEP
12288:7ycqterR53JplKiFwgxtQ9LdQAGAHUq/uzK6UA8t9HHHHHHHHHIHHHHHHczJXNAG:7QtervJXzQ9L
Malware Config
Extracted
oski
forum.daffodil-bd.com
Signatures
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Oski
Oski is an infostealer targeting browser data, crypto wallets.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Windows Services = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Update Folder\\Windows Update.exe" a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exedescription pid process target process PID 3260 set thread context of 3560 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1536 3560 WerFault.exe a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exea7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exepid process 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exedescription pid process Token: SeDebugPrivilege 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exedescription pid process target process PID 3260 wrote to memory of 3560 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe PID 3260 wrote to memory of 3560 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe PID 3260 wrote to memory of 3560 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe PID 3260 wrote to memory of 3560 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe PID 3260 wrote to memory of 3560 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe PID 3260 wrote to memory of 3560 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe PID 3260 wrote to memory of 3560 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe PID 3260 wrote to memory of 3560 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe PID 3260 wrote to memory of 3560 3260 a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe"C:\Users\Admin\AppData\Local\Temp\a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3260 -
C:\Users\Admin\AppData\Local\Temp\a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe"C:\Users\Admin\AppData\Local\Temp\a7c9e0bba10b853dd183f2c6b732bd0e1001f1a7b455007dc3022ff465b7797f.exe"2⤵
- System Location Discovery: System Language Discovery
PID:3560 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 18163⤵
- Program crash
PID:1536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3560 -ip 35601⤵PID:2312
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
9KB
MD5cc474103267f335771ab6f171c614cb0
SHA146a364671597df1bb9b5d8978efa6ff1ffe0192e
SHA2560e220d9120567bb5685e44e03d3a7d36a4a814ea281d86499629b6c4e295e185
SHA5124553d8dfc98cc0ea757699a9d23097b80a2dff49bc5b8344b6e724ec4e9fb9ba5cb4379de73af56359bca596286bc91c283c8f51384c1e09deb58dc1a838a560