Analysis
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max time kernel
95s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22/11/2024, 14:41
Behavioral task
behavioral1
Sample
6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe
Resource
win7-20240708-en
General
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Target
6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe
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Size
287KB
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MD5
da93eaa1ced6f1b2cebba50e26071d67
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SHA1
4b5c0d50b73fc44f136b3e01bb0425d1e10894e1
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SHA256
6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b
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SHA512
577c4735f9464b0ef2c8d0acff668f727aff30b37401d92bf15be1b5e45278ebbc70e6bdfa217b5fa009d62bdb839abe3004eb3e73d67f66ed1923e27e8a17dd
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SSDEEP
6144:vf0WBaLjBbjftxoSpj/ZQUWvYqDUbsbX6EdK77RXW7VGwrLO8O7+:vMJj9/oSFWUWvXbX5g7pW7JB
Malware Config
Extracted
urelas
121.88.5.183
218.54.30.235
Signatures
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Urelas family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation 6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe -
Executes dropped EXE 1 IoCs
pid Process 4556 sander.exe -
resource yara_rule behavioral2/memory/1808-0-0x0000000000340000-0x00000000003DC000-memory.dmp upx behavioral2/files/0x000a000000023b5e-6.dat upx behavioral2/memory/4556-10-0x0000000000A50000-0x0000000000AEC000-memory.dmp upx behavioral2/memory/1808-15-0x0000000000340000-0x00000000003DC000-memory.dmp upx behavioral2/memory/4556-18-0x0000000000A50000-0x0000000000AEC000-memory.dmp upx behavioral2/memory/4556-24-0x0000000000A50000-0x0000000000AEC000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sander.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1808 wrote to memory of 4556 1808 6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe 86 PID 1808 wrote to memory of 4556 1808 6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe 86 PID 1808 wrote to memory of 4556 1808 6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe 86 PID 1808 wrote to memory of 5068 1808 6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe 87 PID 1808 wrote to memory of 5068 1808 6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe 87 PID 1808 wrote to memory of 5068 1808 6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe"C:\Users\Admin\AppData\Local\Temp\6647ac98d5694e6dd92c9de91bc8e0f0f1e3d93a05c4957cbdfdcc47791b1c1b.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1808 -
C:\Users\Admin\AppData\Local\Temp\sander.exe"C:\Users\Admin\AppData\Local\Temp\sander.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4556
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "2⤵
- System Location Discovery: System Language Discovery
PID:5068
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
341B
MD5043eb9fa0431ab58f921ec0c05747bb2
SHA1afa592fd022390dfe4e56e3294dcc946318dae2e
SHA256d819ef7bef66fa2b987ae83a108ca8e5cf2caacf489d500ee48b9f4e3e5ba04f
SHA5120973278b521ee5541ce0f7145b90162926f02798a7660d123ab727eba6f65cf47e2def52e1408178014800cdfd30b156c87431caf24b418867039bcd2f5909ff
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Filesize
512B
MD5c7c76dea547f2562c2a20d650e166582
SHA131c402fc0ac529e367327b075d2b7ef914896d9e
SHA2560fdb7f65bd7be2c3d7cce8d13f51572b3809042a6dc0051fdbfb945851a5e9cb
SHA512b006e74309e1f0370f65e1429d02a8040caddc668db9bfcec01c3793a1e05ef2df4266c97a8eba099966b8b59e24c2eaa087a094ff0bdd8d58af4e8bc9a3834d
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Filesize
287KB
MD5649c7e759749606629a1a8d94985aab3
SHA17ac1ad8f9840604e511d3c80cf44a0c3af0890fe
SHA2569ea55f1a3de866c17feb768b005d78a4732c5f7c58f402a677c8584f5210d462
SHA512005b481670ecbb0f1c1e363a95cc9b63815dc1a791e31488dcf5b83bca02fd09366d3a450e5bac9a05f2dfe06b5ddebdf2bd22596d75750f429509487a3baa58