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Analysis
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max time kernel
194s -
max time network
224s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
19/10/2022, 22:01
Static task
static1
Behavioral task
behavioral1
Sample
a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe
Resource
win10v2004-20220812-en
General
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Target
a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe
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Size
137KB
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MD5
91e66d1b95b3a5fe0a2d1b24a6954360
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SHA1
efd5948f2f0e6150a95977a6b4b77b26f7c81a14
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SHA256
a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff
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SHA512
3731cf177145becd34536d06fe242b1f7cd8fb557d0a1b0a7527eec5eff7db435e13f263f3e15692f4bd0bf976e232f0630f7f50387e54fb940da523122998db
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SSDEEP
3072:HKIx3w835x4UrstfBS1xgMhx/Mb6H1f51HUL8HVClTsdVKILrzcVlfnJGlYy/:HFQUeJID86HNLmTsdYILIRJGlY
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2832 Explorer.EXE -
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." a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.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 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.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." a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
pid Process 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 2832 Explorer.EXE 2832 Explorer.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2832 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeDebugPrivilege 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Token: SeDebugPrivilege 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Token: SeDebugPrivilege 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Token: SeDebugPrivilege 2832 Explorer.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 4800 wrote to memory of 2832 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 74 PID 4800 wrote to memory of 2832 4800 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 74
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2832 -
C:\Users\Admin\AppData\Local\Temp\a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe"C:\Users\Admin\AppData\Local\Temp\a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe"2⤵
- Registers COM server for autorun
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4800
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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