Analysis
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max time kernel
150s -
max time network
122s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25/01/2024, 00:59
Static task
static1
Behavioral task
behavioral1
Sample
73504cf8fa65991b2bccb9bf37199334.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
73504cf8fa65991b2bccb9bf37199334.exe
Resource
win10v2004-20231215-en
General
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Target
73504cf8fa65991b2bccb9bf37199334.exe
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Size
250KB
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MD5
73504cf8fa65991b2bccb9bf37199334
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SHA1
b052a3250a3c67c52ece74fd81fe624e446b4718
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SHA256
eff3ee03b15bb4038d6a2a3acbfb91b064519f08f35fa36cdd83a641d6c43abb
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SHA512
bbba7ce2aed7784ee586732630a5574e499d9d1ab08cacfa35ef6794e5465e323cc3e76c8cca2596787dc69b032417285cf9328a70abb937290e3e0c90d5da14
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SSDEEP
3072:7PrjeSS7vYtClV9TgiMPpA5vUnMoKRl7/L1jEftWgeBHj8dZPOwNVXjzoZ8V:nj/SrYQ0P4RrLKVv3ZrNVfs8V
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://conceitosseg.com/upload/
http://integrasidata.com/upload/
http://ozentekstil.com/upload/
http://finbelportal.com/upload/
http://telanganadigital.com/upload/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 2976 Process not Found -
Executes dropped EXE 1 IoCs
pid Process 1980 ruaagtt -
Loads dropped DLL 2 IoCs
pid Process 116 73504cf8fa65991b2bccb9bf37199334.exe 1980 ruaagtt -
Program crash 2 IoCs
pid pid_target Process procid_target 1872 116 WerFault.exe 85 672 1980 WerFault.exe 101 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 73504cf8fa65991b2bccb9bf37199334.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 73504cf8fa65991b2bccb9bf37199334.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 73504cf8fa65991b2bccb9bf37199334.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ruaagtt Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ruaagtt Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ruaagtt -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 116 73504cf8fa65991b2bccb9bf37199334.exe 116 73504cf8fa65991b2bccb9bf37199334.exe 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found 2976 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 116 73504cf8fa65991b2bccb9bf37199334.exe 1980 ruaagtt -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 2976 Process not Found Token: SeCreatePagefilePrivilege 2976 Process not Found Token: SeShutdownPrivilege 2976 Process not Found Token: SeCreatePagefilePrivilege 2976 Process not Found -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2976 Process not Found -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe"C:\Users\Admin\AppData\Local\Temp\73504cf8fa65991b2bccb9bf37199334.exe"1⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:116 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 3922⤵
- Program crash
PID:1872
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 116 -ip 1161⤵PID:4460
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C:\Users\Admin\AppData\Roaming\ruaagttC:\Users\Admin\AppData\Roaming\ruaagtt1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1980 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 3922⤵
- Program crash
PID:672
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1980 -ip 19801⤵PID:4960
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
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Filesize
250KB
MD573504cf8fa65991b2bccb9bf37199334
SHA1b052a3250a3c67c52ece74fd81fe624e446b4718
SHA256eff3ee03b15bb4038d6a2a3acbfb91b064519f08f35fa36cdd83a641d6c43abb
SHA512bbba7ce2aed7784ee586732630a5574e499d9d1ab08cacfa35ef6794e5465e323cc3e76c8cca2596787dc69b032417285cf9328a70abb937290e3e0c90d5da14