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Analysis
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max time kernel
111s -
max time network
117s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
24/08/2024, 22:06
Static task
static1
Behavioral task
behavioral1
Sample
2a85c580c3b709fea4c0f7c469703070N.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
2a85c580c3b709fea4c0f7c469703070N.exe
Resource
win10v2004-20240802-en
General
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Target
2a85c580c3b709fea4c0f7c469703070N.exe
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Size
208KB
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MD5
2a85c580c3b709fea4c0f7c469703070
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SHA1
5028450b3a79bd3d8523e976c3ef72c5d63d8323
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SHA256
6608c17499d7212c1c8f4450a2c6fec8627f8a0f1f7015dab5920b271696c84b
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SHA512
dbdb4bc070d7d92ba03990699fd5984d47e92987f1f37655301475dc3a1d8ddf7af8e99901d537fa569562f727b888e75bbcb12d405d5b4259e540c62b276ef0
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SSDEEP
3072:O/xUH0ywakB4VvLqOoOflq15iJiShvOX20c19P4JzVbdA45j86AT9R0uSk:O/xUgakB4VvLqzukgwc114ZVX8530j
Malware Config
Extracted
smokeloader
pub4
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Loads dropped DLL 1 IoCs
pid Process 3320 2a85c580c3b709fea4c0f7c469703070N.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3752 3320 WerFault.exe 85 -
System Location Discovery: System Language Discovery 1 TTPs 1 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 2a85c580c3b709fea4c0f7c469703070N.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2a85c580c3b709fea4c0f7c469703070N.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2a85c580c3b709fea4c0f7c469703070N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2a85c580c3b709fea4c0f7c469703070N.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2a85c580c3b709fea4c0f7c469703070N.exe"C:\Users\Admin\AppData\Local\Temp\2a85c580c3b709fea4c0f7c469703070N.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
PID:3320 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3320 -s 3802⤵
- Program crash
PID:3752
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3320 -ip 33201⤵PID:3608
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219