Analysis
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max time kernel
171s -
max time network
172s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
30-05-2022 19:50
Static task
static1
Behavioral task
behavioral1
Sample
090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe
Resource
win10v2004-20220414-en
General
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Target
090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe
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Size
112KB
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MD5
13f60d61b7c0536f0faf858e2ca1cdbe
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SHA1
53b53b1a932a6ee9782f442a1c3c3e94b0c75e40
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SHA256
090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10
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SHA512
76ba842bdbfe2632aab194a7d76f52eaf3244c020a7d4b583b396c61ddcdee5c90ff5e741a1c65be5b16e16a5172415598d43e648b1f59dc96ed334fd6450a5c
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/4040-133-0x0000000010000000-0x0000000010021000-memory.dmp upx behavioral2/memory/4040-135-0x0000000010000000-0x0000000010021000-memory.dmp upx behavioral2/memory/4040-136-0x0000000010000000-0x0000000010021000-memory.dmp upx behavioral2/memory/4040-137-0x0000000010000000-0x0000000010021000-memory.dmp upx behavioral2/memory/5076-145-0x0000000010000000-0x0000000010021000-memory.dmp upx behavioral2/memory/5076-146-0x0000000010000000-0x0000000010021000-memory.dmp upx -
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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Goercfm.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EvtMgr = "c:\\qx9p\\Goercfm.exe /Klaunchp" Goercfm.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
Goercfm.exedescription ioc process File opened (read-only) \??\a: Goercfm.exe File opened (read-only) \??\b: Goercfm.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exeGoercfm.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe File opened for modification \??\PHYSICALDRIVE0 Goercfm.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
Goercfm.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 Goercfm.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString Goercfm.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
Goercfm.exepid process 5076 Goercfm.exe 5076 Goercfm.exe 5076 Goercfm.exe 5076 Goercfm.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exepid process 4040 090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exeGoercfm.exedescription pid process Token: SeDebugPrivilege 4040 090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe Token: SeDebugPrivilege 4040 090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe Token: SeDebugPrivilege 4040 090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe Token: SeDebugPrivilege 5076 Goercfm.exe Token: SeDebugPrivilege 5076 Goercfm.exe Token: SeDebugPrivilege 5076 Goercfm.exe Token: SeDebugPrivilege 5076 Goercfm.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exeGoercfm.exepid process 4040 090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe 5076 Goercfm.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exedescription pid process target process PID 4040 wrote to memory of 5076 4040 090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe Goercfm.exe PID 4040 wrote to memory of 5076 4040 090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe Goercfm.exe PID 4040 wrote to memory of 5076 4040 090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe Goercfm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe"C:\Users\Admin\AppData\Local\Temp\090b3dff3fe7b4db767f6a7ba2012a7a3ab3acf905357c6a3c90e88a5c6ccc10.exe"1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\qx9p\Goercfm.exelaunch2⤵
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4040-132-0x0000000000400000-0x000000000042D000-memory.dmpFilesize
180KB
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memory/4040-131-0x0000000000400000-0x000000000042D000-memory.dmpFilesize
180KB
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memory/4040-133-0x0000000010000000-0x0000000010021000-memory.dmpFilesize
132KB
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memory/4040-135-0x0000000010000000-0x0000000010021000-memory.dmpFilesize
132KB
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memory/4040-136-0x0000000010000000-0x0000000010021000-memory.dmpFilesize
132KB
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memory/4040-137-0x0000000010000000-0x0000000010021000-memory.dmpFilesize
132KB
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memory/4040-147-0x0000000000400000-0x000000000042D000-memory.dmpFilesize
180KB
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memory/5076-138-0x0000000000000000-mapping.dmp
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memory/5076-139-0x0000000000400000-0x000000000042D000-memory.dmpFilesize
180KB
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memory/5076-144-0x0000000000400000-0x000000000042D000-memory.dmpFilesize
180KB
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memory/5076-145-0x0000000010000000-0x0000000010021000-memory.dmpFilesize
132KB
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memory/5076-146-0x0000000010000000-0x0000000010021000-memory.dmpFilesize
132KB