Analysis
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max time kernel
69s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20220715-en -
resource tags
arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system -
submitted
02-08-2022 16:51
Static task
static1
Behavioral task
behavioral1
Sample
gunzipped.exe
Resource
win7-20220715-en
Behavioral task
behavioral2
Sample
gunzipped.exe
Resource
win10v2004-20220721-en
General
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Target
gunzipped.exe
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Size
750KB
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MD5
9189c940a9577852d429131fac3f27e4
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SHA1
40705848169bf86aefed43e049f8976f97a4820b
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SHA256
99cabbad55b9ddaaa566e2f6878303e7081a8f112e2e1f3541a5e352af833b1d
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SHA512
3e6c9084afdc5857f05a575900dfe257189fb8046f443489bf2bc4cb083af2657c41e836fee61b56dc47a0b83c5b40ba78802ff59b92c78c8a0cf682968a13cc
Malware Config
Signatures
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Processes:
gunzipped.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" gunzipped.exe -
Processes:
gunzipped.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" gunzipped.exe -
Adds policy Run key to start application 2 TTPs 2 IoCs
Processes:
iexplore.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3 = "C:\\Users\\Admin\\AppData\\Roaming\\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3\\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3.exe" iexplore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run iexplore.exe -
Processes:
gunzipped.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0" gunzipped.exe -
Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
iexplore.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts iexplore.exe -
Adds Run key to start application 2 TTPs 4 IoCs
Processes:
iexplore.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3 = "C:\\Users\\Admin\\AppData\\Roaming\\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3\\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3.exe" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3 = "C:\\Users\\Admin\\AppData\\Roaming\\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3\\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3.exe" iexplore.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run iexplore.exe -
Processes:
gunzipped.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" gunzipped.exe -
Suspicious use of SetThreadContext 8 IoCs
Processes:
gunzipped.exegunzipped.exeiexplore.exedescription pid process target process PID 588 set thread context of 1276 588 gunzipped.exe gunzipped.exe PID 1276 set thread context of 524 1276 gunzipped.exe iexplore.exe PID 524 set thread context of 1644 524 iexplore.exe iexplore.exe PID 524 set thread context of 1536 524 iexplore.exe iexplore.exe PID 524 set thread context of 1636 524 iexplore.exe iexplore.exe PID 524 set thread context of 1192 524 iexplore.exe iexplore.exe PID 524 set thread context of 1952 524 iexplore.exe iexplore.exe PID 524 set thread context of 784 524 iexplore.exe iexplore.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
gunzipped.exegunzipped.exepid process 588 gunzipped.exe 588 gunzipped.exe 588 gunzipped.exe 1276 gunzipped.exe 1276 gunzipped.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
gunzipped.exeiexplore.exeiexplore.exedescription pid process Token: SeDebugPrivilege 588 gunzipped.exe Token: SeDebugPrivilege 524 iexplore.exe Token: SeDebugPrivilege 1644 iexplore.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
gunzipped.exeiexplore.exepid process 1276 gunzipped.exe 524 iexplore.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
gunzipped.exegunzipped.exeiexplore.exedescription pid process target process PID 588 wrote to memory of 1244 588 gunzipped.exe gunzipped.exe PID 588 wrote to memory of 1244 588 gunzipped.exe gunzipped.exe PID 588 wrote to memory of 1244 588 gunzipped.exe gunzipped.exe PID 588 wrote to memory of 1244 588 gunzipped.exe gunzipped.exe PID 588 wrote to memory of 1276 588 gunzipped.exe gunzipped.exe PID 588 wrote to memory of 1276 588 gunzipped.exe gunzipped.exe PID 588 wrote to memory of 1276 588 gunzipped.exe gunzipped.exe PID 588 wrote to memory of 1276 588 gunzipped.exe gunzipped.exe PID 588 wrote to memory of 1276 588 gunzipped.exe gunzipped.exe PID 588 wrote to memory of 1276 588 gunzipped.exe gunzipped.exe PID 588 wrote to memory of 1276 588 gunzipped.exe gunzipped.exe PID 588 wrote to memory of 1276 588 gunzipped.exe gunzipped.exe PID 1276 wrote to memory of 524 1276 gunzipped.exe iexplore.exe PID 1276 wrote to memory of 524 1276 gunzipped.exe iexplore.exe PID 1276 wrote to memory of 524 1276 gunzipped.exe iexplore.exe PID 1276 wrote to memory of 524 1276 gunzipped.exe iexplore.exe PID 1276 wrote to memory of 524 1276 gunzipped.exe iexplore.exe PID 1276 wrote to memory of 524 1276 gunzipped.exe iexplore.exe PID 1276 wrote to memory of 524 1276 gunzipped.exe iexplore.exe PID 1276 wrote to memory of 524 1276 gunzipped.exe iexplore.exe PID 1276 wrote to memory of 524 1276 gunzipped.exe iexplore.exe PID 524 wrote to memory of 1644 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1644 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1644 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1644 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1644 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1644 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1644 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1644 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1644 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1536 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1536 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1536 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1536 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1536 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1536 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1536 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1536 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1536 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1536 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1636 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1636 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1636 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1636 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1636 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1636 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1636 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1636 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1636 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1636 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1192 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1192 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1192 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1192 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1192 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1192 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1192 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1192 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1192 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1952 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1952 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1952 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1952 524 iexplore.exe iexplore.exe PID 524 wrote to memory of 1952 524 iexplore.exe iexplore.exe -
System policy modification 1 TTPs 1 IoCs
Processes:
gunzipped.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" gunzipped.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"2⤵
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
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C:\Program Files (x86)\Internet Explorer\iexplore.exeC:\Users\Admin\AppData\Local\Temp\gunzipped.exe3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3\lgpvycmfz0.txt"4⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3\lgpvycmfz1.txt"4⤵
- Accesses Microsoft Outlook accounts
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3\lgpvycmfz2.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3\lgpvycmfz3.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3\lgpvycmfz4.txt"4⤵
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C:\Program Files (x86)\Internet Explorer\iexplore.exe/stext "C:\Users\Admin\AppData\Roaming\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3\lgpvycmfz4.txt"4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3\lgpvycmfz2.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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C:\Users\Admin\AppData\Roaming\V1B5T2F0-T6S4-E5P1-P7G0-X443Q1A6T3M3\lgpvycmfz4.txtFilesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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memory/588-69-0x00000000046E5000-0x00000000046F6000-memory.dmpFilesize
68KB
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memory/588-55-0x0000000076231000-0x0000000076233000-memory.dmpFilesize
8KB
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memory/588-56-0x0000000000310000-0x0000000000326000-memory.dmpFilesize
88KB
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memory/588-57-0x0000000000490000-0x000000000049A000-memory.dmpFilesize
40KB
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memory/588-58-0x0000000005B30000-0x0000000005BB2000-memory.dmpFilesize
520KB
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memory/588-59-0x00000000045C0000-0x00000000045F6000-memory.dmpFilesize
216KB
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memory/588-54-0x00000000010F0000-0x00000000011B2000-memory.dmpFilesize
776KB
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memory/1276-63-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1276-66-0x00000000004010B8-mapping.dmp
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memory/1276-65-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1276-72-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1276-73-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1276-61-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB
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memory/1276-60-0x0000000000400000-0x000000000042C000-memory.dmpFilesize
176KB