Analysis
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max time kernel
128s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 18:33
Static task
static1
Behavioral task
behavioral1
Sample
debb.exe
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
debb.exe
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Size
408KB
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MD5
73b1fecfd38a17ad5e7ea69223327976
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SHA1
baf594e729bcedc6685daac477986bb8aeebbbfc
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SHA256
5b2989ef162f3637ce93f1aa6b8a0efaf712078d1217aed9150b8c7dc55f0275
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SHA512
7c72932249105743c92d5a663156c42aca72a13f42a7ae9d4dc08e55500af484c892e21756b8064325119b3a94406734954b7ef3731b5b7d6c78135b36f7df9d
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/316-55-0x0000000000400000-0x00000000004E3000-memory.dmp upx behavioral1/memory/316-59-0x0000000000400000-0x00000000004E3000-memory.dmp upx -
Drops startup file 1 IoCs
Processes:
notepad.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\chrome.vbs notepad.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
debb.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook debb.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook debb.exe Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook debb.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
debb.exedescription pid process target process PID 316 set thread context of 1480 316 debb.exe debb.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
debb.exepid process 316 debb.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
debb.exepid process 316 debb.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
debb.exepid process 1480 debb.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
debb.exedescription pid process Token: SeDebugPrivilege 1480 debb.exe -
Suspicious use of WriteProcessMemory 10 IoCs
Processes:
debb.exedescription pid process target process PID 316 wrote to memory of 868 316 debb.exe notepad.exe PID 316 wrote to memory of 868 316 debb.exe notepad.exe PID 316 wrote to memory of 868 316 debb.exe notepad.exe PID 316 wrote to memory of 868 316 debb.exe notepad.exe PID 316 wrote to memory of 868 316 debb.exe notepad.exe PID 316 wrote to memory of 868 316 debb.exe notepad.exe PID 316 wrote to memory of 1480 316 debb.exe debb.exe PID 316 wrote to memory of 1480 316 debb.exe debb.exe PID 316 wrote to memory of 1480 316 debb.exe debb.exe PID 316 wrote to memory of 1480 316 debb.exe debb.exe -
outlook_office_path 1 IoCs
Processes:
debb.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook debb.exe -
outlook_win_path 1 IoCs
Processes:
debb.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook debb.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\debb.exe"C:\Users\Admin\AppData\Local\Temp\debb.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- Drops startup file
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C:\Users\Admin\AppData\Local\Temp\debb.exe"C:\Users\Admin\AppData\Local\Temp\debb.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/316-54-0x0000000076431000-0x0000000076433000-memory.dmpFilesize
8KB
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memory/316-55-0x0000000000400000-0x00000000004E3000-memory.dmpFilesize
908KB
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memory/316-59-0x0000000000400000-0x00000000004E3000-memory.dmpFilesize
908KB
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memory/868-56-0x0000000000000000-mapping.dmp
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memory/1480-58-0x00000000004139DE-mapping.dmp