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Analysis
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max time kernel
93s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system -
submitted
14/02/2024, 04:08
Behavioral task
behavioral1
Sample
9ab78b703e248f58de1a797591c6630b.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
9ab78b703e248f58de1a797591c6630b.exe
Resource
win10v2004-20231222-en
General
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Target
9ab78b703e248f58de1a797591c6630b.exe
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Size
765KB
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MD5
9ab78b703e248f58de1a797591c6630b
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SHA1
a59946346b8f875cc7ad6c0024db14da8928fa74
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SHA256
9667031ee31c3492a484e102744829c6e83fec13c37a3a2c95a1679cb6aef59a
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SHA512
c68f78d5f0709da8ff82445d26cf563d8001fae3abe42dc6008bf33aa6ec81386ead83e016321de98d1f9f4ac3ba4e6665fa58e64bc0993a557bb7ef9441dda7
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SSDEEP
12288:NtPUekZkx1AEyYmueCkXyShXz2/iINCM3V5TDXTLwc9RdvK:NtnexEyYmufzyo/YcXDXTBHy
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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ModiLoader Second Stage 5 IoCs
resource yara_rule behavioral2/files/0x00070000000231f2-4.dat modiloader_stage2 behavioral2/memory/2004-9-0x0000000000400000-0x00000000004C8000-memory.dmp modiloader_stage2 behavioral2/memory/4352-11-0x00000000005B0000-0x0000000000678000-memory.dmp modiloader_stage2 behavioral2/memory/3320-12-0x0000000000400000-0x00000000004C8000-memory.dmp modiloader_stage2 behavioral2/memory/4956-15-0x0000000000400000-0x00000000004C8000-memory.dmp modiloader_stage2 -
Executes dropped EXE 1 IoCs
pid Process 3320 rejoiceda.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\_rejoiceda.exe rejoiceda.exe File opened for modification C:\Windows\SysWOW64\_rejoiceda.exe rejoiceda.exe -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3320 set thread context of 2004 3320 rejoiceda.exe 85 PID 3320 set thread context of 4352 3320 rejoiceda.exe 86 -
Drops file in Program Files directory 3 IoCs
description ioc Process File created C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoiceda.exe 9ab78b703e248f58de1a797591c6630b.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoiceda.exe 9ab78b703e248f58de1a797591c6630b.exe File created C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat 9ab78b703e248f58de1a797591c6630b.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4676 2004 WerFault.exe 85 -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "414648695" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2429603485" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2429603485" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2433353426" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31088379" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31088379" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31088379" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{BC56907B-CAEE-11EE-A0B6-766E2D171A79} = "0" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4352 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4352 IEXPLORE.EXE 4352 IEXPLORE.EXE 2192 IEXPLORE.EXE 2192 IEXPLORE.EXE 2192 IEXPLORE.EXE 2192 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2004 calc.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4956 wrote to memory of 3320 4956 9ab78b703e248f58de1a797591c6630b.exe 83 PID 4956 wrote to memory of 3320 4956 9ab78b703e248f58de1a797591c6630b.exe 83 PID 4956 wrote to memory of 3320 4956 9ab78b703e248f58de1a797591c6630b.exe 83 PID 3320 wrote to memory of 2004 3320 rejoiceda.exe 85 PID 3320 wrote to memory of 2004 3320 rejoiceda.exe 85 PID 3320 wrote to memory of 2004 3320 rejoiceda.exe 85 PID 3320 wrote to memory of 2004 3320 rejoiceda.exe 85 PID 3320 wrote to memory of 2004 3320 rejoiceda.exe 85 PID 3320 wrote to memory of 4352 3320 rejoiceda.exe 86 PID 3320 wrote to memory of 4352 3320 rejoiceda.exe 86 PID 3320 wrote to memory of 4352 3320 rejoiceda.exe 86 PID 4956 wrote to memory of 3080 4956 9ab78b703e248f58de1a797591c6630b.exe 87 PID 4956 wrote to memory of 3080 4956 9ab78b703e248f58de1a797591c6630b.exe 87 PID 4956 wrote to memory of 3080 4956 9ab78b703e248f58de1a797591c6630b.exe 87 PID 4352 wrote to memory of 2192 4352 IEXPLORE.EXE 91 PID 4352 wrote to memory of 2192 4352 IEXPLORE.EXE 91 PID 4352 wrote to memory of 2192 4352 IEXPLORE.EXE 91
Processes
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C:\Users\Admin\AppData\Local\Temp\9ab78b703e248f58de1a797591c6630b.exe"C:\Users\Admin\AppData\Local\Temp\9ab78b703e248f58de1a797591c6630b.exe"1⤵
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoiceda.exe"C:\Program Files\Common Files\Microsoft Shared\MSINFO\rejoiceda.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3320 -
C:\Windows\SysWOW64\calc.exe"C:\Windows\system32\calc.exe"3⤵
- Suspicious use of UnmapMainImage
PID:2004 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2004 -s 124⤵
- Program crash
PID:4676
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C:\program files\internet explorer\IEXPLORE.EXE"C:\program files\internet explorer\IEXPLORE.EXE"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4352 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4352 CREDAT:17410 /prefetch:24⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2192
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Program Files\Common Files\Microsoft Shared\MSINFO\SgotoDel.bat""2⤵PID:3080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2004 -ip 20041⤵PID:5096
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
184B
MD5abfe983036b1ab4bbe2d9f7b4d83b980
SHA1b821234f3bf623d05e64c967f1be42d767604217
SHA256dc123e3cdfd21b30eba4f8961aac0ebc54f29ee5f0fc0593d6e69b82df52c08a
SHA512b38df7eb4b85d978a95f4233a0a826aeab23048f276f07d228472d58997bf399ffd4ced77bcb87a64aac1cfa1a5964dc21d3060c8355cff3d90ac6a791ae8503
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Filesize
765KB
MD59ab78b703e248f58de1a797591c6630b
SHA1a59946346b8f875cc7ad6c0024db14da8928fa74
SHA2569667031ee31c3492a484e102744829c6e83fec13c37a3a2c95a1679cb6aef59a
SHA512c68f78d5f0709da8ff82445d26cf563d8001fae3abe42dc6008bf33aa6ec81386ead83e016321de98d1f9f4ac3ba4e6665fa58e64bc0993a557bb7ef9441dda7
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD534a715b7eff98727a79196c12548166d
SHA1d5e289b29da4499777553a8a18000554d3664059
SHA2566b41a389423de69980de3d667fca2f72e5ce6224dcea62d765862d07e76f9f01
SHA51262de58bac2f19abcfd8503f2b0abf64872a6354c140e020975d40fda1c975ed3ccc9f05a58ab45663c3eee52dbb5d6974aca6df78f7e60e780f5320622516860
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5b5331f3e28857c8e913697214210c204
SHA13e98433e66e4ebde6bcc1835025fc339f1ad5cba
SHA256bf98ed986fd2040c4c070889016d37e38d93c908bde7d325beb3c8820f1ab654
SHA512685031d5089a474c2a047773991b40461c8eae4dc45cd84b517875a404afc6a4c6b7dd4db9d589cc31680b9201f853c43759da8319c4196a9b64bcd0fbfd42ed
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee