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Analysis
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max time kernel
152s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/10/2022, 15:12
Static task
static1
Behavioral task
behavioral1
Sample
100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe
Resource
win10v2004-20220812-en
General
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Target
100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe
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Size
156KB
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MD5
6820d7cf55c1a44896421b4b33b886f0
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SHA1
9e05299c85f78c316f0a98cf8106879d5fee6768
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SHA256
100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3
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SHA512
5f2398cca3b26b788acabc40f686768a5de41a4f04a75ba4040c5338388718d054f1058f27c10655c5cd418d44577e2bf6ebaece68d7de368985d75b2e428800
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SSDEEP
3072:VgbKzcKpSf5GDH8cRtWl2zZoZlbzzd5GLcCXG8WPsd:YKzcKpE56cjYWfWX
Malware Config
Signatures
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Registers COM server for autorun 1 TTPs 3 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-2295526160-1155304984-640977766-1000\\$e0613d909b67ae6058f9584af5f18b89\\n." 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe -
Loads dropped DLL 1 IoCs
pid Process 2596 Explorer.EXE -
Unexpected DNS network traffic destination 5 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-2295526160-1155304984-640977766-1000\\$e0613d909b67ae6058f9584af5f18b89\\n." 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\clsid 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe 2596 Explorer.EXE 2596 Explorer.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2596 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe Token: SeDebugPrivilege 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe Token: SeDebugPrivilege 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe Token: SeDebugPrivilege 2596 Explorer.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 804 wrote to memory of 2596 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe 41 PID 804 wrote to memory of 2596 804 100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe 41
Processes
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C:\Users\Admin\AppData\Local\Temp\100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe"C:\Users\Admin\AppData\Local\Temp\100795b11f351f589fe795ea4539948b487a0ac69630fd32b6f847c071a74fb3.exe"1⤵
- Registers COM server for autorun
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:804
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2596
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2