Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
26-11-2024 01:03
General
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Target
PepperX.exe
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Size
146KB
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MD5
39c9477cf131ca5ccc05c8871c0e10e6
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SHA1
07b2581b2cb41053d09c4bb896aaabc1d28f2a7b
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SHA256
939281eac1c6e5aa2e4238a1e545e67b2609c15f517474b2a5133bb64fe9c1eb
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SHA512
689fd585232031f746b1573d3ed66ac329420611d4e1092ce6952b49ab0c168091726bd02189a4e183d1196ced4f51953e4eb25a5219a36f86d8f6761da9f129
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SSDEEP
1536:xzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xDqk3sA9atm8z+L8QBfuSoyAMjwT:KqJogYkcSNm9V7D7352v+L8DnyAewT
Malware Config
Signatures
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Renames multiple (349) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes itself 1 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Drops desktop.ini file(s) 2 IoCs
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Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Sets desktop wallpaper using registry 2 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Modifies Control Panel 2 IoCs
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Modifies registry class 5 IoCs
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Suspicious behavior: EnumeratesProcesses 14 IoCs
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Suspicious behavior: RenamesItself 26 IoCs
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Suspicious use of AdjustPrivilegeToken 64 IoCs
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Suspicious use of WriteProcessMemory 9 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PepperX.exe"C:\Users\Admin\AppData\Local\Temp\PepperX.exe"1⤵
- Loads dropped DLL
- Drops desktop.ini file(s)
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Modifies Control Panel
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\ProgramData\EF2F.tmp"C:\ProgramData\EF2F.tmp"2⤵
- Deletes itself
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\EF2F.tmp >> NUL3⤵
- System Location Discovery: System Language Discovery
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C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x1481⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
129B
MD56e4ad553be033da2b83a7f6962f18579
SHA1fe9e519875279711b6b99f503c2a8f1f5a48bf86
SHA2564ff2591ff1fb0bf04ea79f6bce6e23bcbc94ec4b90a82cda46601d13a4b40d09
SHA512e07cb11df797e42828da495b9c913b0554e673008fe05d8acd8acf6c7c4fd8009b2fa83ae43cb6cc1ab43a1f4c0a58591e2b3a2de9403563a20e70d27587fcde
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Filesize
348B
MD59810eed5ecd966874ebeb398ac6531ed
SHA117d2e2bc15df652734b79185cb323e652559fd6a
SHA25653183e5ed0cf42bed46b17c9dcc92ea49737bb57dce34f1e20675a913796566e
SHA512b26ca61461ed8b09f037e33d209cd0a22959b89e3e7895e057f544010fd5ae037e4fa76311763c121cd6e8b3050de22fa7d2163b4d9cf40585e14f5024e0cb79
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Filesize
14KB
MD5294e9f64cb1642dd89229fff0592856b
SHA197b148c27f3da29ba7b18d6aee8a0db9102f47c9
SHA256917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
SHA512b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf
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Filesize
146KB
MD51901395629c11d5e369d22ffcd5771e7
SHA184f9ff67329bc2cef96e58df68df9f04c50c347a
SHA25688d007f9e24c89f1b514e38e03d632bfa26dc992a845af98d1b098ecf0d259e9
SHA512288bb94246b5f1cd4966336236ff55614093db3f1062ebc967dfb796b9b58f48aafc2f7d9c85c218391d613a6002735a7ab5fb2bff8ddc0dc8dc74acb3554128
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Filesize
129B
MD5adf47ae2add65b602cffeb53e4293c0e
SHA1ed0572697c8a42c557a90f7ccfc54f3bf8706762
SHA256243586137d1b4bde77e9a1483aa162f08ccc4056af9f169cdf094520068cc01e
SHA5125e9bcd540da05f6953abdeef4212aa6ed342146cd2dcf1defa5132c5d60fbfe297f9c4f53c6f147d3e47932b5326b8158c59a9e6a67f62c4e61735d2d713738f
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Filesize
256KB
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Filesize
4KB
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Filesize
4KB
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Filesize
256KB
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Filesize
256KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB