Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
18/01/2024, 02:31
Static task
static1
Behavioral task
behavioral1
Sample
643fb761d29bcfd866c3afd2101ffc0c.exe
Resource
win7-20231215-en
windows7-x64
Behavioral task
behavioral2
Sample
643fb761d29bcfd866c3afd2101ffc0c.exe
Resource
win10v2004-20231222-en
windows10-2004-x64
General
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Target
643fb761d29bcfd866c3afd2101ffc0c.exe
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Size
219KB
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MD5
643fb761d29bcfd866c3afd2101ffc0c
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SHA1
fe28e1aacb56dce87476a5701141ef37ff5eee40
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SHA256
96505bdda828a2456a9a0c8a26596a612bdff2c3f6812924f5b38c8c8a9744d3
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SHA512
ea7c04560b65107c720fd6d4ab78af67724062e08ad3e3f6fa5940e4998544d64340f14e1e7c90cbdccda8321c147ccd209521f1e37cffde9a6c0271e9e6e485
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SSDEEP
6144:LjUtxynBCBwZj4vE9dkIDcpkW5x/BUD/tE:HUTwBCBoAff5UDlE
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1728 carss.exe -
Loads dropped DLL 2 IoCs
pid Process 2252 643fb761d29bcfd866c3afd2101ffc0c.exe 1728 carss.exe -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files\Internet Explorer\carss.exe 643fb761d29bcfd866c3afd2101ffc0c.exe File created C:\Program Files (x86)\wi259429647nd.temp 643fb761d29bcfd866c3afd2101ffc0c.exe File created C:\Program Files\Internet Explorer\carss.exe 643fb761d29bcfd866c3afd2101ffc0c.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2252 643fb761d29bcfd866c3afd2101ffc0c.exe 2252 643fb761d29bcfd866c3afd2101ffc0c.exe 2252 643fb761d29bcfd866c3afd2101ffc0c.exe 2252 643fb761d29bcfd866c3afd2101ffc0c.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe 1728 carss.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2252 wrote to memory of 1728 2252 643fb761d29bcfd866c3afd2101ffc0c.exe 28 PID 2252 wrote to memory of 1728 2252 643fb761d29bcfd866c3afd2101ffc0c.exe 28 PID 2252 wrote to memory of 1728 2252 643fb761d29bcfd866c3afd2101ffc0c.exe 28 PID 2252 wrote to memory of 1728 2252 643fb761d29bcfd866c3afd2101ffc0c.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\643fb761d29bcfd866c3afd2101ffc0c.exe"C:\Users\Admin\AppData\Local\Temp\643fb761d29bcfd866c3afd2101ffc0c.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Program Files\Internet Explorer\carss.exe"C:\Program Files\Internet Explorer\carss.exe" C:\WINDOWS\Temp\hx107.tmp CodeMain2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:1728
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
20.2MB
MD5ef44ecddb5bf7a220830b1fd8fa1ffff
SHA152e74bf9a71030dc634317fd65a5de12629bb124
SHA25616f478f2271afaa3196b00833e1cbde0225818968ef95705509bdfa0c3895fa0
SHA5128a97c09d2074f90b0ec3366b1fdc465c7e19d1bdf6a3a23929b730a540338edf4bd16a33cd12178d8f8ebf917d3e31df6b9bde89b80ef80da9534ccdd776e05d
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d