Analysis
-
max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
09-01-2024 05:53
Static task
static1
Behavioral task
behavioral1
Sample
4d838fd7586e75e908483b1807bc29a6.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
4d838fd7586e75e908483b1807bc29a6.exe
Resource
win10v2004-20231215-en
General
-
Target
4d838fd7586e75e908483b1807bc29a6.exe
-
Size
732KB
-
MD5
4d838fd7586e75e908483b1807bc29a6
-
SHA1
ab5e4e82d68462daec9ff1dc0fa81380d8991df0
-
SHA256
a34e7c63da647c394b8becde55d6e87bc34e2c934c89b7f23484747a3598fb4c
-
SHA512
df7980b4b9d058ef368c7c93069dcb5a8c689f755d0ca15a355bee5860cd167dcda1a3afbbf7ec9ab46f96690d6d7ee161f660219f049cc88c7841daef88c5fa
-
SSDEEP
12288:qQE4Ud4N5tA2P9qRLOhdKeE2gawV77yQ0wc0HK7zVRAtep79CqX8QXTfFteLSgQ3:T0Khd9g10wy51xCqXn3eWn+kGk85Upvj
Malware Config
Extracted
oski
cabvui.xyz
Signatures
-
Oski
Oski is an infostealer targeting browser data, crypto wallets.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Suspicious use of SetThreadContext 1 IoCs
Processes:
4d838fd7586e75e908483b1807bc29a6.exedescription pid process target process PID 2168 set thread context of 2100 2168 4d838fd7586e75e908483b1807bc29a6.exe 4d838fd7586e75e908483b1807bc29a6.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2640 2100 WerFault.exe 4d838fd7586e75e908483b1807bc29a6.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
4d838fd7586e75e908483b1807bc29a6.exe4d838fd7586e75e908483b1807bc29a6.exedescription pid process target process PID 2168 wrote to memory of 2100 2168 4d838fd7586e75e908483b1807bc29a6.exe 4d838fd7586e75e908483b1807bc29a6.exe PID 2168 wrote to memory of 2100 2168 4d838fd7586e75e908483b1807bc29a6.exe 4d838fd7586e75e908483b1807bc29a6.exe PID 2168 wrote to memory of 2100 2168 4d838fd7586e75e908483b1807bc29a6.exe 4d838fd7586e75e908483b1807bc29a6.exe PID 2168 wrote to memory of 2100 2168 4d838fd7586e75e908483b1807bc29a6.exe 4d838fd7586e75e908483b1807bc29a6.exe PID 2168 wrote to memory of 2100 2168 4d838fd7586e75e908483b1807bc29a6.exe 4d838fd7586e75e908483b1807bc29a6.exe PID 2168 wrote to memory of 2100 2168 4d838fd7586e75e908483b1807bc29a6.exe 4d838fd7586e75e908483b1807bc29a6.exe PID 2168 wrote to memory of 2100 2168 4d838fd7586e75e908483b1807bc29a6.exe 4d838fd7586e75e908483b1807bc29a6.exe PID 2168 wrote to memory of 2100 2168 4d838fd7586e75e908483b1807bc29a6.exe 4d838fd7586e75e908483b1807bc29a6.exe PID 2168 wrote to memory of 2100 2168 4d838fd7586e75e908483b1807bc29a6.exe 4d838fd7586e75e908483b1807bc29a6.exe PID 2168 wrote to memory of 2100 2168 4d838fd7586e75e908483b1807bc29a6.exe 4d838fd7586e75e908483b1807bc29a6.exe PID 2100 wrote to memory of 2640 2100 4d838fd7586e75e908483b1807bc29a6.exe WerFault.exe PID 2100 wrote to memory of 2640 2100 4d838fd7586e75e908483b1807bc29a6.exe WerFault.exe PID 2100 wrote to memory of 2640 2100 4d838fd7586e75e908483b1807bc29a6.exe WerFault.exe PID 2100 wrote to memory of 2640 2100 4d838fd7586e75e908483b1807bc29a6.exe WerFault.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\4d838fd7586e75e908483b1807bc29a6.exe"C:\Users\Admin\AppData\Local\Temp\4d838fd7586e75e908483b1807bc29a6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\4d838fd7586e75e908483b1807bc29a6.exe"C:\Users\Admin\AppData\Local\Temp\4d838fd7586e75e908483b1807bc29a6.exe"2⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2100 -s 7763⤵
- Program crash
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/2100-16-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2100-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
-
memory/2100-8-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2100-10-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2100-24-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2100-22-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2100-20-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2100-12-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2100-14-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2100-26-0x0000000000400000-0x0000000000438000-memory.dmpFilesize
224KB
-
memory/2168-2-0x0000000004E40000-0x0000000004E80000-memory.dmpFilesize
256KB
-
memory/2168-7-0x0000000000EC0000-0x0000000000EF8000-memory.dmpFilesize
224KB
-
memory/2168-0-0x0000000000F00000-0x0000000000FBC000-memory.dmpFilesize
752KB
-
memory/2168-1-0x00000000744D0000-0x0000000074BBE000-memory.dmpFilesize
6.9MB
-
memory/2168-6-0x0000000005EC0000-0x0000000005F62000-memory.dmpFilesize
648KB
-
memory/2168-23-0x00000000744D0000-0x0000000074BBE000-memory.dmpFilesize
6.9MB
-
memory/2168-5-0x0000000004E40000-0x0000000004E80000-memory.dmpFilesize
256KB
-
memory/2168-4-0x00000000744D0000-0x0000000074BBE000-memory.dmpFilesize
6.9MB
-
memory/2168-3-0x0000000000970000-0x0000000000986000-memory.dmpFilesize
88KB