Analysis
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max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19-11-2024 08:51
Static task
static1
Behavioral task
behavioral1
Sample
06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe
Resource
win7-20240903-en
General
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Target
06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe
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Size
65KB
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MD5
47f1ada49118342368e05e35b87930f5
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SHA1
91dcae3193da9114ec49172cfb8a2b88992327b2
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SHA256
06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225
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SHA512
b8ddf1fe2d685b8745d818e6857e3506eafce807b98bf65916d2d4369e83768e083e1b0b3fbfc81a32d4c58c4bb1f8ee66598767992d8624512e7a74358378c8
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SSDEEP
1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTm/T:6bQRSHpAvzyf7MzeTYT
Malware Config
Extracted
urelas
218.54.47.76
218.54.47.77
218.54.47.74
Signatures
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Urelas family
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Deletes itself 1 IoCs
Processes:
cmd.exepid Process 2864 cmd.exe -
Executes dropped EXE 1 IoCs
Processes:
biudfw.exepid Process 2724 biudfw.exe -
Loads dropped DLL 1 IoCs
Processes:
06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exepid Process 2632 06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe -
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.
Processes:
06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exebiudfw.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language biudfw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exedescription pid Process procid_target PID 2632 wrote to memory of 2724 2632 06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe 30 PID 2632 wrote to memory of 2724 2632 06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe 30 PID 2632 wrote to memory of 2724 2632 06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe 30 PID 2632 wrote to memory of 2724 2632 06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe 30 PID 2632 wrote to memory of 2864 2632 06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe 31 PID 2632 wrote to memory of 2864 2632 06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe 31 PID 2632 wrote to memory of 2864 2632 06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe 31 PID 2632 wrote to memory of 2864 2632 06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe"C:\Users\Admin\AppData\Local\Temp\06e8fa3a342ff1e68d255633be15ce69663f94fd2085abcf681f923b53cbe225.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2632 -
C:\Users\Admin\AppData\Local\Temp\biudfw.exe"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2724
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2864
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
65KB
MD52de4120e7587678a7f021b672a518128
SHA174929af8fd8778f7dec74877caa31e32473d965d
SHA256ca68e8b9d37225702eb1b192b4dcbaf04cc39b40dc3a88a8a4d424704468ec35
SHA512340135ab2e53f86f16c6971ae12c19975eded01a3c4a446857fd1d399f625d2514edfec3567e965c0056ac46d546ba02e53821a60cc3238bc28ab2ba31a15a4b
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Filesize
512B
MD5efd90b3ac908d5482af367de3a82184a
SHA1de9f01d2ed0247b7b347e55c5a09721a60147fb9
SHA25644f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d
SHA5126e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02
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Filesize
338B
MD58dad66968a2039c3ba58b98299ad4710
SHA1f10c30ae6c8de99562a302bd1fb053df8bd33577
SHA2564b3b806f870496b41b57b83bcbae8972e079674780cc6b681687b8a53338c2e7
SHA512d7d9ded5a83aeb55f88632e8cbf9d20a06290bfc679e8178f63a5eb89f5ee9e4b070b9e883499a2d93581a4d3fabb0d8e4edc60718ad01396f8dacd740b229ac