Analysis
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max time kernel
181s -
max time network
190s -
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, 00:26
Static task
static1
Behavioral task
behavioral1
Sample
f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe
Resource
win10v2004-20220812-en
General
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Target
f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe
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Size
170KB
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MD5
3fbc95670f2d3863ed2321c76482fdda
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SHA1
00dbed028e3423886668ddbfc15734fb98fc36d0
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SHA256
f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74
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SHA512
df78e82284f90853d9abce396d9378ba8b886ed9c6099ee8fa2d6e37fc01b8daf151360984965ce318f0e9cc3235b1a12aff35a96af131b05eae761ee6e180c5
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SSDEEP
3072:935wiKXYdDKNMF+l59BZrwr1g4LBQ4ZdqMDXWyqT4+id:9J8Wy9Bdwr1JLBlXvDGMn
Malware Config
Signatures
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Registers COM server for autorun 1 TTPs 3 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\ = "C:\\$Recycle.Bin\\S-1-5-21-2295526160-1155304984-640977766-1000\\$e0613d909b67ae6058f9584af5f18b89\\n." f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe -
Loads dropped DLL 1 IoCs
pid Process 2432 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 Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\clsid f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.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." f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe 2432 Explorer.EXE 2432 Explorer.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2432 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe Token: SeDebugPrivilege 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe Token: SeDebugPrivilege 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe Token: SeDebugPrivilege 2432 Explorer.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 1984 wrote to memory of 2432 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe 68 PID 1984 wrote to memory of 2432 1984 f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe 68
Processes
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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:2432 -
C:\Users\Admin\AppData\Local\Temp\f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe"C:\Users\Admin\AppData\Local\Temp\f3ecb7c5917843b634d46f2e3109e9654a1d851b5cebb780ce6bc2050f6c9d74.exe"2⤵
- Registers COM server for autorun
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984
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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