Analysis
-
max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
31-12-2023 02:52
Static task
static1
Behavioral task
behavioral1
Sample
253d2fc06ad1ba450f6da07ff03d2ffe.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
253d2fc06ad1ba450f6da07ff03d2ffe.exe
Resource
win10v2004-20231215-en
General
-
Target
253d2fc06ad1ba450f6da07ff03d2ffe.exe
-
Size
80KB
-
MD5
253d2fc06ad1ba450f6da07ff03d2ffe
-
SHA1
c331235d303df38cf4f34b3b32f982d43c795333
-
SHA256
138dba86c4a419f727dd9e9d402a997f6f0ba5225a99763705d49108cbd8363b
-
SHA512
72d3e58bd75d2cb317380fb00a900ea34e4e94e68b21508f858306408891e9b8b99b8f23d9a66b28e7a1b54ff1e4b12ddf92001f404df5bf22edc9bf6c6a7e4e
-
SSDEEP
1536:Bh3H8SlVQwHqXzZAELFPgUED2XiLXW+SCptfC0+x/rOoVju1Qd:Bh3HzVmED2X6W+SUfDuO4u1Q
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
pid Process 2864 OSFYCH.EXE -
Loads dropped DLL 2 IoCs
pid Process 2652 253d2fc06ad1ba450f6da07ff03d2ffe.exe 2652 253d2fc06ad1ba450f6da07ff03d2ffe.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\WINDOWS\SysWOW64\OSFYCH.EXE OSFYCH.EXE File created C:\WINDOWS\SysWOW64\OSFYCH.EXE 253d2fc06ad1ba450f6da07ff03d2ffe.exe File opened for modification C:\WINDOWS\SysWOW64\OSFYCH.EXE 253d2fc06ad1ba450f6da07ff03d2ffe.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2652 wrote to memory of 2864 2652 253d2fc06ad1ba450f6da07ff03d2ffe.exe 28 PID 2652 wrote to memory of 2864 2652 253d2fc06ad1ba450f6da07ff03d2ffe.exe 28 PID 2652 wrote to memory of 2864 2652 253d2fc06ad1ba450f6da07ff03d2ffe.exe 28 PID 2652 wrote to memory of 2864 2652 253d2fc06ad1ba450f6da07ff03d2ffe.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\253d2fc06ad1ba450f6da07ff03d2ffe.exe"C:\Users\Admin\AppData\Local\Temp\253d2fc06ad1ba450f6da07ff03d2ffe.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2652 -
C:\WINDOWS\SysWOW64\OSFYCH.EXE"C:\WINDOWS\SYSTEM32\OSFYCH.EXE"2⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:2864
-
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
80KB
MD5253d2fc06ad1ba450f6da07ff03d2ffe
SHA1c331235d303df38cf4f34b3b32f982d43c795333
SHA256138dba86c4a419f727dd9e9d402a997f6f0ba5225a99763705d49108cbd8363b
SHA51272d3e58bd75d2cb317380fb00a900ea34e4e94e68b21508f858306408891e9b8b99b8f23d9a66b28e7a1b54ff1e4b12ddf92001f404df5bf22edc9bf6c6a7e4e