Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
30/12/2023, 20:51
Behavioral task
behavioral1
Sample
1c37fa7b32a4ff28b1261d7f15e31db6.exe
Resource
win7-20231129-en
windows7-x64
12 signatures
150 seconds
General
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Target
1c37fa7b32a4ff28b1261d7f15e31db6.exe
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Size
298KB
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MD5
1c37fa7b32a4ff28b1261d7f15e31db6
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SHA1
f2963eae114f3d5462c9c73f21a79f0b54059512
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SHA256
08de046c5339cb214c19ebb2eaa619179ec63be01bb8828f978eaeeed2f45246
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SHA512
d09cfb502117d66707c02d2a90d5f3df9d1266634b5cab7d89544659e09f30d164b55f1363eb30e05790f54533e0482e8e07234b0734eb1d737d20a2eb9a4278
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SSDEEP
6144:EuIlWqB+ihabs7Ch9KwyF5LeLodp2D1Mmakda0qLqIYZ:v6Wq4aaE6KwyF5L0Y2D1PqLc
Malware Config
Signatures
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Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1" svhost.exe -
Executes dropped EXE 1 IoCs
pid Process 4032 svhost.exe -
resource yara_rule behavioral2/memory/4928-0-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-5-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/files/0x000d000000023147-4.dat upx behavioral2/files/0x000b00000002311d-104.dat upx behavioral2/memory/4928-761-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-1322-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-2381-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-2651-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-3443-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-4504-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-5818-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-6879-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-7940-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-9001-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-10320-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-11380-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-12440-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-13756-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-14817-0x0000000000400000-0x00000000004C2000-memory.dmp upx behavioral2/memory/4032-15879-0x0000000000400000-0x00000000004C2000-memory.dmp upx -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\i: svhost.exe File opened (read-only) \??\k: svhost.exe File opened (read-only) \??\v: svhost.exe File opened (read-only) \??\a: svhost.exe File opened (read-only) \??\h: svhost.exe File opened (read-only) \??\j: svhost.exe File opened (read-only) \??\l: svhost.exe File opened (read-only) \??\o: svhost.exe File opened (read-only) \??\p: svhost.exe File opened (read-only) \??\s: svhost.exe File opened (read-only) \??\w: svhost.exe File opened (read-only) \??\z: svhost.exe File opened (read-only) \??\g: svhost.exe File opened (read-only) \??\n: svhost.exe File opened (read-only) \??\q: svhost.exe File opened (read-only) \??\r: svhost.exe File opened (read-only) \??\u: svhost.exe File opened (read-only) \??\b: svhost.exe File opened (read-only) \??\e: svhost.exe File opened (read-only) \??\m: svhost.exe File opened (read-only) \??\t: svhost.exe File opened (read-only) \??\x: svhost.exe File opened (read-only) \??\y: svhost.exe -
AutoIT Executable 16 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/4928-761-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-1322-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-2381-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-2651-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-3443-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-4504-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-5818-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-6879-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-7940-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-9001-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-10320-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-11380-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-12440-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-13756-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-14817-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe behavioral2/memory/4032-15879-0x0000000000400000-0x00000000004C2000-memory.dmp autoit_exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\svhost.exe 1c37fa7b32a4ff28b1261d7f15e31db6.exe File opened for modification C:\Windows\Driver.db svhost.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4032 svhost.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe 4032 svhost.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4928 wrote to memory of 4032 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 89 PID 4928 wrote to memory of 4032 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 89 PID 4928 wrote to memory of 4032 4928 1c37fa7b32a4ff28b1261d7f15e31db6.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\1c37fa7b32a4ff28b1261d7f15e31db6.exe"C:\Users\Admin\AppData\Local\Temp\1c37fa7b32a4ff28b1261d7f15e31db6.exe"1⤵
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\svhost.exeC:\Windows\svhost.exe2⤵
- Modifies visibility of file extensions in Explorer
- Executes dropped EXE
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4032
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
82B
MD5c2d2dc50dca8a2bfdc8e2d59dfa5796d
SHA17a6150fc53244e28d1bcea437c0c9d276c41ccad
SHA256b2d38b3f122cfcf3cecabf0dfe2ab9c4182416d6961ae43f1eebee489cf3c960
SHA5126cfdd08729de9ee9d1f5d8fcd859144d32ddc0a9e7074202a7d03d3795bdf0027a074a6aa54f451d4166024c134b27c55c7142170e64d979d86c13801f937ce4
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Filesize
298KB
MD5df7168e6317c5b11bfeb04c1b0b36d5a
SHA1bbf7ec0ddaf4ab1e53b7adf7e88433e7fe880d1e
SHA2563a4a8f86d9635a28636ed7ddbdac8c1e8e4132ac38ef88aac7bfc2eb34ac95f6
SHA512d75144da8720e315b9c6163c9346d299f848941273ba7f167cb28dbe287fde8924222b3b45b7d1a79625e62b3a3922df6cab5589200b10fbd6b9ed9e88f46e4a
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Filesize
298KB
MD52d84b49d12889f79a68a33079c9f9455
SHA1f49b4505e01d36bb306c5a207dcadee12b7e5ac2
SHA25664331971e98370e2b8aa99eee2f93f632df190099fe4819aff76513a6fb021f8
SHA5128de9db1f39b3192161d16f4e4c8b1073f0dbe130d5d2288f675308006197753140cf2927b06b3723bf6b97601560288c0138955bf2bff5c2312d576541071ac0