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Analysis
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max time kernel
66s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 2 IoCs
pid Process 1256 Explorer.EXE 464 services.exe -
Registers COM server for autorun 1 TTPs 4 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3845472200-3839195424-595303356-1000\\$bb8ab67ad8382496fd4eead6952e3208\\n." a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$bb8ab67ad8382496fd4eead6952e3208\\n." a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe -
Deletes itself 1 IoCs
pid Process 1620 cmd.exe -
Unexpected DNS network traffic destination 9 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 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 Destination IP 83.133.123.20 -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created \systemroot\assembly\GAC_64\Desktop.ini services.exe File created \systemroot\assembly\GAC_32\Desktop.ini services.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1624 set thread context of 1620 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 28 -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\clsid a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Key created \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ThreadingModel = "Both" a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-21-3845472200-3839195424-595303356-1000\\$bb8ab67ad8382496fd4eead6952e3208\\n." a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{5839FCA9-774D-42A1-ACDA-D6A79037F57F}\InprocServer32\ = "C:\\$Recycle.Bin\\S-1-5-18\\$bb8ab67ad8382496fd4eead6952e3208\\n." a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
pid Process 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 464 services.exe -
Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeDebugPrivilege 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Token: SeDebugPrivilege 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Token: SeDebugPrivilege 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe Token: SeDebugPrivilege 464 services.exe Token: SeBackupPrivilege 464 services.exe Token: SeRestorePrivilege 464 services.exe Token: SeSecurityPrivilege 464 services.exe Token: SeTakeOwnershipPrivilege 464 services.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1256 Explorer.EXE 1256 Explorer.EXE -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1256 Explorer.EXE 1256 Explorer.EXE -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1624 wrote to memory of 1256 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 11 PID 1624 wrote to memory of 1256 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 11 PID 1624 wrote to memory of 464 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 2 PID 1624 wrote to memory of 1620 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 28 PID 1624 wrote to memory of 1620 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 28 PID 1624 wrote to memory of 1620 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 28 PID 1624 wrote to memory of 1620 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 28 PID 1624 wrote to memory of 1620 1624 a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe 28
Processes
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C:\Windows\system32\services.exeC:\Windows\system32\services.exe1⤵
- Executes dropped EXE
- Drops desktop.ini file(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:464
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1256 -
C:\Users\Admin\AppData\Local\Temp\a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe"C:\Users\Admin\AppData\Local\Temp\a65b2ea41d7753aaa5c6f105a54a59a985dafabc142a8f52cce7466123b02cff.exe"2⤵
- Registers COM server for autorun
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1624 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe"3⤵
- Deletes itself
PID:1620
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2KB
MD52bc52647987d212c95a0e97c860594de
SHA13adbc23ab1e9a53a4cb386d12ea944c8c3f175ca
SHA256fd05320f451041fb0e11fe9e88a485504c99f31e28af6106d412c6cb40fe3497
SHA512c4ee00139978910498280bd5cb6ad3a6ae64e9dd321ab018d35e9775b14aa5fa869be9c1bfecd1df0b567e959ad9d954ce81ac8c811fb0c2e30d5720d161ae1b
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2
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Filesize
41KB
MD5fb4e3236959152a057bc6b7603c538ef
SHA1b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4
SHA2568244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0
SHA512993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2