Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
01-06-2024 03:45
Static task
static1
Behavioral task
behavioral1
Sample
d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe
Resource
win10v2004-20240426-en
General
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Target
d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe
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Size
72KB
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MD5
736e2ec3d18bc6f091002833f34e81c9
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SHA1
642a70fd2b90515c729874154b90d0c21eab9488
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SHA256
d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e
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SHA512
527ec6431b8dabbdaa2f3f87340722f897d28db230bbb7ba74493cdbb91e26dbdcf33d2e29116676d5ddca41365c99cc3381ad172950d1601889f1f70c8ed29e
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SSDEEP
768:TrItKyw5WHXfQmjIiIk9ecAa0Mb96SyX1DLdRXXXk:Tr3Z5IfQmv81ar1yXtZC
Malware Config
Signatures
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Detects Windows executables referencing non-Windows User-Agents 1 IoCs
resource yara_rule behavioral2/files/0x0007000000023305-3.dat INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA -
Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
pid Process 4584 attrib.exe -
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-1-5-21-3571316656-3665257725-2415531812-1000\Control Panel\International\Geo\Nation d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe -
Executes dropped EXE 1 IoCs
pid Process 2520 kqchost.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File created C:\Windows\Debug\kqchost.exe d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe File opened for modification C:\Windows\Debug\kqchost.exe d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe File opened for modification C:\Windows\Debug\kqchost.exe attrib.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1364 d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1364 wrote to memory of 4584 1364 d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe 82 PID 1364 wrote to memory of 4584 1364 d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe 82 PID 1364 wrote to memory of 4584 1364 d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe 82 PID 1364 wrote to memory of 4368 1364 d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe 88 PID 1364 wrote to memory of 4368 1364 d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe 88 PID 1364 wrote to memory of 4368 1364 d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe 88 -
Views/modifies file attributes 1 TTPs 1 IoCs
pid Process 4584 attrib.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe"C:\Users\Admin\AppData\Local\Temp\d6077160070968e0b35f9bd91cf42f3c76df11003923b9446d8b87d2131eb84e.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\SysWOW64\attrib.exeattrib +a +s +h +r C:\Windows\Debug\kqchost.exe2⤵
- Sets file to hidden
- Drops file in Windows directory
- Views/modifies file attributes
PID:4584
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\D60771~1.EXE > nul2⤵PID:4368
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C:\Windows\Debug\kqchost.exeC:\Windows\Debug\kqchost.exe1⤵
- Executes dropped EXE
PID:2520
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
72KB
MD51fc202b589061a03d81b9186f22667ed
SHA1a12664b8894614e32f3b778373962f107d54c5b7
SHA256d01f3b740ff2ae2325629ce9b967ad4bb8912bad13fc938d20e412f31d54730c
SHA5124b8a9c719437cb0557c41ced63797e71f0abd090d6ef2ac4abfdea9df2bb708e9af7bcf0ffe9ce63b76740589fc24e3563553fea686c320b080e858ae8fc28db