Analysis
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max time kernel
145s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
19-03-2024 08:55
Static task
static1
Behavioral task
behavioral1
Sample
d5b6a309b12a2f0a185207da2adadd3d.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
d5b6a309b12a2f0a185207da2adadd3d.exe
Resource
win10v2004-20240226-en
General
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Target
d5b6a309b12a2f0a185207da2adadd3d.exe
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Size
471KB
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MD5
d5b6a309b12a2f0a185207da2adadd3d
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SHA1
a3e52897f14cacbc0da9f7053a4ac302a165cb14
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SHA256
12b58d53ddc77d81ea3de8f7761ba36e552e57f5c3c95853799f3e8d4e72876f
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SHA512
e617090d3a42eae06760e3af60368cd8fc6903246db671a1c208e6fba63539b1c7a6a730b403bf03205cfed59959abf7c3d3423a52b66c5593835d2a2179f126
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SSDEEP
6144:Ww0uS4HrtXRGPRX2YIe4GQYMb9bn6DtcvW4LHJ2SkArBylSD:jA4ZX4Jae4GRMRmpRKp2S5Bp
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 1356 Explorer.EXE -
Loads dropped DLL 1 IoCs
pid Process 2928 regsvr32.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Run\FohaJahx = "regsvr32.exe \"C:\\ProgramData\\FohaJahx\\XicmUxkip.inf\"" regsvr32.exe Set value (str) \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Run\FohaJahx = "regsvr32.exe \"C:\\ProgramData\\FohaJahx\\XicmUxkip.inf\"" Explorer.EXE -
Modifies Internet Explorer Protected Mode 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" Explorer.EXE -
Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" Explorer.EXE -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Internet Explorer\Main Explorer.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000\Software\Microsoft\Internet Explorer\Main\TabProcGrowth = "0" Explorer.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2928 regsvr32.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeCreateGlobalPrivilege 2928 regsvr32.exe Token: SeDebugPrivilege 2928 regsvr32.exe Token: SeCreateGlobalPrivilege 1356 Explorer.EXE Token: SeShutdownPrivilege 1356 Explorer.EXE Token: SeDebugPrivilege 1356 Explorer.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2008 d5b6a309b12a2f0a185207da2adadd3d.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2008 wrote to memory of 2928 2008 d5b6a309b12a2f0a185207da2adadd3d.exe 28 PID 2008 wrote to memory of 2928 2008 d5b6a309b12a2f0a185207da2adadd3d.exe 28 PID 2008 wrote to memory of 2928 2008 d5b6a309b12a2f0a185207da2adadd3d.exe 28 PID 2008 wrote to memory of 2928 2008 d5b6a309b12a2f0a185207da2adadd3d.exe 28 PID 2008 wrote to memory of 2928 2008 d5b6a309b12a2f0a185207da2adadd3d.exe 28 PID 2008 wrote to memory of 2928 2008 d5b6a309b12a2f0a185207da2adadd3d.exe 28 PID 2008 wrote to memory of 2928 2008 d5b6a309b12a2f0a185207da2adadd3d.exe 28 PID 2928 wrote to memory of 940 2928 regsvr32.exe 17 PID 2928 wrote to memory of 940 2928 regsvr32.exe 17 PID 2928 wrote to memory of 1356 2928 regsvr32.exe 21 PID 2928 wrote to memory of 1356 2928 regsvr32.exe 21 PID 2928 wrote to memory of 2312 2928 regsvr32.exe 25 PID 2928 wrote to memory of 2312 2928 regsvr32.exe 25
Processes
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C:\Windows\System32\spoolsv.exeC:\Windows\System32\spoolsv.exe1⤵PID:940
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Deletes itself
- Adds Run key to start application
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
PID:1356 -
C:\Users\Admin\AppData\Local\Temp\d5b6a309b12a2f0a185207da2adadd3d.exe"C:\Users\Admin\AppData\Local\Temp\d5b6a309b12a2f0a185207da2adadd3d.exe"2⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2008 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe "C:\Users\Admin\AppData\Local\Temp\\~0F765725.tmp"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2928
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C:\Windows\system32\sppsvc.exeC:\Windows\system32\sppsvc.exe1⤵PID:2312
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
380KB
MD54dde5b5c9f67f6f8df25d5a1d53601ae
SHA14a85954ff0dcbf7c464d2a52bf8fee06e51e06dc
SHA256c7161db7161d34d3ab5757f5c60e683535c92e0f20747b6de60ed2f53943eced
SHA5121ef4aa864711a781a30f5e2ef572d9f854b5661b4ab748a788ad05a235d78fead3843cc0e08e3981f5b60cd3cd21416e9ebcd155ba481c1ae9f0c2233bec1eec