Analysis
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max time kernel
150s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-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 1072 Process not Found -
Executes dropped EXE 1 IoCs
pid Process 1508 rjvtatc -
Loads dropped DLL 6 IoCs
pid Process 2168 73504cf8fa65991b2bccb9bf37199334.exe 2808 WerFault.exe 2808 WerFault.exe 2808 WerFault.exe 2808 WerFault.exe 2808 WerFault.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2808 1508 WerFault.exe 32 -
Checks SCSI registry key(s) 3 TTPs 3 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2168 73504cf8fa65991b2bccb9bf37199334.exe 2168 73504cf8fa65991b2bccb9bf37199334.exe 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found 1072 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2168 73504cf8fa65991b2bccb9bf37199334.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1072 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1072 Process not Found 1072 Process not Found -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1072 Process not Found 1072 Process not Found -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1912 wrote to memory of 1508 1912 taskeng.exe 32 PID 1912 wrote to memory of 1508 1912 taskeng.exe 32 PID 1912 wrote to memory of 1508 1912 taskeng.exe 32 PID 1912 wrote to memory of 1508 1912 taskeng.exe 32 PID 1508 wrote to memory of 2808 1508 rjvtatc 33 PID 1508 wrote to memory of 2808 1508 rjvtatc 33 PID 1508 wrote to memory of 2808 1508 rjvtatc 33 PID 1508 wrote to memory of 2808 1508 rjvtatc 33
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:2168
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C:\Windows\system32\taskeng.exetaskeng.exe {DC916690-660D-4B49-8B96-93626287B269} S-1-5-21-3818056530-936619650-3554021955-1000:SFVRQGEO\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:1912 -
C:\Users\Admin\AppData\Roaming\rjvtatcC:\Users\Admin\AppData\Roaming\rjvtatc2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1508 -s 1243⤵
- Loads dropped DLL
- Program crash
PID:2808
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
250KB
MD573504cf8fa65991b2bccb9bf37199334
SHA1b052a3250a3c67c52ece74fd81fe624e446b4718
SHA256eff3ee03b15bb4038d6a2a3acbfb91b064519f08f35fa36cdd83a641d6c43abb
SHA512bbba7ce2aed7784ee586732630a5574e499d9d1ab08cacfa35ef6794e5465e323cc3e76c8cca2596787dc69b032417285cf9328a70abb937290e3e0c90d5da14
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06