Analysis
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max time kernel
59s -
max time network
39s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
18/10/2024, 19:26
Behavioral task
behavioral1
Sample
749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe
Resource
win7-20240903-en
General
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Target
749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe
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Size
80KB
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MD5
2bfc41fc744cef02880c43394e17751e
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SHA1
35c296e0fbd6ed77b9dab7ece016e8306c26512a
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SHA256
749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca
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SHA512
d3387fafbd4e9ea76e9d32b24f2e7ea61e3f95263e3e52904f008b74357cebd6c75d9521389406337d9dda8ef2687f02d63e99ed95c1657aec763122d0f9eed7
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SSDEEP
1536:ITJxjZZ29Up2U7O0Ov15+o46zqMi9G7WXnQQvaWh3zWKfx/t126a631:SHZ2up5JkH+o46LuRXnLdpzp/tg6Z31
Malware Config
Signatures
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Detect Blackmoon payload 2 IoCs
resource yara_rule behavioral2/memory/904-14-0x0000000000400000-0x000000000046E000-memory.dmp family_blackmoon behavioral2/memory/1436-16-0x0000000000400000-0x000000000046E000-memory.dmp family_blackmoon -
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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe -
Deletes itself 1 IoCs
pid Process 1436 Syslemaexwd.exe -
Executes dropped EXE 1 IoCs
pid Process 1436 Syslemaexwd.exe -
resource yara_rule behavioral2/memory/904-0-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral2/files/0x0010000000023bce-9.dat upx behavioral2/memory/904-14-0x0000000000400000-0x000000000046E000-memory.dmp upx behavioral2/memory/1436-16-0x0000000000400000-0x000000000046E000-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 2 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 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Syslemaexwd.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe 1436 Syslemaexwd.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 904 wrote to memory of 1436 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 93 PID 904 wrote to memory of 1436 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 93 PID 904 wrote to memory of 1436 904 749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe"C:\Users\Admin\AppData\Local\Temp\749d7db3ebc03a0ba180b5f52f57d8d9ff749fabde17ad9e63580b3ec591e6ca.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:904 -
C:\Users\Admin\AppData\Local\Temp\Syslemaexwd.exe"C:\Users\Admin\AppData\Local\Temp\Syslemaexwd.exe"2⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1436
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
80KB
MD5ba1f82f91f1ae28cf5888ac1d0880916
SHA18d0762bbca8f61ff8f70849ef25dc0465837e224
SHA25643f3d8ccef6096a9f6b74b507ac0d4ead58dc8754a0628da48fd3d9a92320756
SHA512d137f073ad1761e5f9e2aca2ad919e5db145ef31e884ee3f3504bb8960a2ca4944cbbc33869f7b6960ed4d448cc406039d715d78923e8cc823e265a0b41abb8e
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Filesize
102B
MD5fb8abda925a7cb9a18da9e549724471d
SHA10c21ff317ab37de37e6b1a395e2a84700cf57ba0
SHA256cbba1a97f432a53f3618722a406b77fba78e4f5c61a0d07145e894043a2a0cc0
SHA512b230ef8fb52fc6eca54b1319df6a8344deb4dcfa23b645dc99deca9ed71976996951bb7b3a2cb6f92293cbb09e36c47ce1954a0bfbd0552539778b1e1950b3ec