Analysis
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max time kernel
94s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2025 03:47
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_27ef92c388b95fd6b882d7d3fe403e8f.dll
Resource
win7-20240903-en
General
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Target
JaffaCakes118_27ef92c388b95fd6b882d7d3fe403e8f.dll
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Size
112KB
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MD5
27ef92c388b95fd6b882d7d3fe403e8f
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SHA1
ee76b2c4bad0886df7f2e88c87d677eba8edfdf4
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SHA256
09e17e1e2c56937d8fd70b6047197b1472b0389a9b986f30da5ba6297a54267d
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SHA512
faf5cc0c9ebe0561f914a4f9b8867854006584db26562f9e68470f558d382f978ed23c83fa323eee0202a6d5bb86503ba594ca04768ae8457ec3fcb0adc8dd1d
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SSDEEP
3072:AONR5SgAFN0YBIcfrIvauBeYH5SsnH82Vw:5bAj0YrfGZH5r
Malware Config
Signatures
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Ramnit family
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UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" pwuoadfcaatmqdeu.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation pwuoadfcaatmqdeu.exe Key value queried \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation TTPpOZFxt -
Executes dropped EXE 3 IoCs
pid Process 1664 TTPpOZFxt 4912 pwuoadfcaatmqdeu.exe 3684 pwuoadfcaatmqdeu.exe -
Checks whether UAC is enabled 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" pwuoadfcaatmqdeu.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 4008 1384 WerFault.exe 87 728 3548 WerFault.exe 109 -
System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TTPpOZFxt Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iexplore.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language pwuoadfcaatmqdeu.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\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 (data) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157979" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4183585829" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4013742150" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{191573EE-DACF-11EF-91C3-EE6C25FCE24B} = "0" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157979" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4005148230" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157979" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444541823" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 656 Process not Found -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeSecurityPrivilege 1664 TTPpOZFxt Token: SeDebugPrivilege 1664 TTPpOZFxt Token: SeSecurityPrivilege 4912 pwuoadfcaatmqdeu.exe Token: SeSecurityPrivilege 3684 pwuoadfcaatmqdeu.exe Token: SeLoadDriverPrivilege 3684 pwuoadfcaatmqdeu.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4956 IEXPLORE.EXE 4956 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4956 IEXPLORE.EXE 4956 IEXPLORE.EXE 2000 IEXPLORE.EXE 2000 IEXPLORE.EXE 2000 IEXPLORE.EXE 2000 IEXPLORE.EXE 4956 IEXPLORE.EXE 4956 IEXPLORE.EXE 2720 IEXPLORE.EXE 2720 IEXPLORE.EXE 2720 IEXPLORE.EXE 2720 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 49 IoCs
description pid Process procid_target PID 4148 wrote to memory of 1472 4148 regsvr32.exe 85 PID 4148 wrote to memory of 1472 4148 regsvr32.exe 85 PID 4148 wrote to memory of 1472 4148 regsvr32.exe 85 PID 1472 wrote to memory of 1664 1472 regsvr32.exe 86 PID 1472 wrote to memory of 1664 1472 regsvr32.exe 86 PID 1472 wrote to memory of 1664 1472 regsvr32.exe 86 PID 1664 wrote to memory of 1384 1664 TTPpOZFxt 87 PID 1664 wrote to memory of 1384 1664 TTPpOZFxt 87 PID 1664 wrote to memory of 1384 1664 TTPpOZFxt 87 PID 1664 wrote to memory of 1384 1664 TTPpOZFxt 87 PID 1664 wrote to memory of 1384 1664 TTPpOZFxt 87 PID 1664 wrote to memory of 1384 1664 TTPpOZFxt 87 PID 1664 wrote to memory of 1384 1664 TTPpOZFxt 87 PID 1664 wrote to memory of 1384 1664 TTPpOZFxt 87 PID 1664 wrote to memory of 1384 1664 TTPpOZFxt 87 PID 1664 wrote to memory of 2740 1664 TTPpOZFxt 99 PID 1664 wrote to memory of 2740 1664 TTPpOZFxt 99 PID 1664 wrote to memory of 2740 1664 TTPpOZFxt 99 PID 2740 wrote to memory of 4956 2740 iexplore.exe 100 PID 2740 wrote to memory of 4956 2740 iexplore.exe 100 PID 4956 wrote to memory of 2000 4956 IEXPLORE.EXE 102 PID 4956 wrote to memory of 2000 4956 IEXPLORE.EXE 102 PID 4956 wrote to memory of 2000 4956 IEXPLORE.EXE 102 PID 1664 wrote to memory of 3548 1664 TTPpOZFxt 109 PID 1664 wrote to memory of 3548 1664 TTPpOZFxt 109 PID 1664 wrote to memory of 3548 1664 TTPpOZFxt 109 PID 1664 wrote to memory of 3548 1664 TTPpOZFxt 109 PID 1664 wrote to memory of 3548 1664 TTPpOZFxt 109 PID 1664 wrote to memory of 3548 1664 TTPpOZFxt 109 PID 1664 wrote to memory of 3548 1664 TTPpOZFxt 109 PID 1664 wrote to memory of 3548 1664 TTPpOZFxt 109 PID 1664 wrote to memory of 3548 1664 TTPpOZFxt 109 PID 1664 wrote to memory of 2752 1664 TTPpOZFxt 114 PID 1664 wrote to memory of 2752 1664 TTPpOZFxt 114 PID 1664 wrote to memory of 2752 1664 TTPpOZFxt 114 PID 2752 wrote to memory of 4364 2752 iexplore.exe 115 PID 2752 wrote to memory of 4364 2752 iexplore.exe 115 PID 4956 wrote to memory of 2720 4956 IEXPLORE.EXE 116 PID 4956 wrote to memory of 2720 4956 IEXPLORE.EXE 116 PID 4956 wrote to memory of 2720 4956 IEXPLORE.EXE 116 PID 1664 wrote to memory of 4912 1664 TTPpOZFxt 119 PID 1664 wrote to memory of 4912 1664 TTPpOZFxt 119 PID 1664 wrote to memory of 4912 1664 TTPpOZFxt 119 PID 4912 wrote to memory of 2708 4912 pwuoadfcaatmqdeu.exe 120 PID 4912 wrote to memory of 2708 4912 pwuoadfcaatmqdeu.exe 120 PID 4912 wrote to memory of 2708 4912 pwuoadfcaatmqdeu.exe 120 PID 2708 wrote to memory of 3684 2708 cmd.exe 122 PID 2708 wrote to memory of 3684 2708 cmd.exe 122 PID 2708 wrote to memory of 3684 2708 cmd.exe 122 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" pwuoadfcaatmqdeu.exe
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27ef92c388b95fd6b882d7d3fe403e8f.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4148 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_27ef92c388b95fd6b882d7d3fe403e8f.dll2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1472 -
C:\Users\Admin\AppData\Local\Temp\TTPpOZFxt"TTPpOZFxt"3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵PID:1384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 2045⤵
- Program crash
PID:4008
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2740 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4956 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4956 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2000
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4956 CREDAT:17416 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2720
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵PID:3548
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3548 -s 2085⤵
- Program crash
PID:728
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"5⤵
- Modifies Internet Explorer settings
PID:4364
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C:\Users\Admin\AppData\Local\Temp\pwuoadfcaatmqdeu.exe"C:\Users\Admin\AppData\Local\Temp\pwuoadfcaatmqdeu.exe" elevate4⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4912 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ""C:\Users\Admin\AppData\Local\Temp\pwuoadfcaatmqdeu.exe"" admin5⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708 -
C:\Users\Admin\AppData\Local\Temp\pwuoadfcaatmqdeu.exe"C:\Users\Admin\AppData\Local\Temp\pwuoadfcaatmqdeu.exe" admin6⤵
- UAC bypass
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of AdjustPrivilegeToken
- System policy modification
PID:3684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1384 -ip 13841⤵PID:4000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3548 -ip 35481⤵PID:2760
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD5ce36378334f2edb4e728e0632afebb70
SHA189d54efcb8c7bbe532e5ad91b38468279d3f5c93
SHA2566be47a3ecfbf81a123c297ee65d70177b4010bfbe728b94b4337453683b9a6e1
SHA5123e09cc9ece1907c072f02f768ec749ceef3b8913f394bb075b1948d0409b7910670b91da7d35160c211d0bf8df05e83409a1ad7493ea53864c41f37305f75aa2
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD56521cfd48a568530e879a0e089c62de3
SHA134b89956305dc6f7da1e8198c76b6fe1980f77ba
SHA25640fd42402af30c82b562fc20607c73c591cedaeafb7af151881d6a6170fb7e8d
SHA512c47483bbb8bc80748a7b6e62a0f41ac4346c9f1b8558bd602c6ec1c242cdce864bbd857b032f417395998e7c6320be861fbf6c8a04fcf5c440ee445a51a5459b
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
91KB
MD50ed93601a2c959aac80ab68e6fbd74ae
SHA18c055135aa03197bcc3e4d880b1e01eeaa4ead2a
SHA256fbdd2ae07383983176aed709ace21b9f68f965716f031880407e04096429a397
SHA51295ba501f939c9d3a53301e743d4f470a947d4d86721077afcb73a05ad1b2091f5a6f06b383c0f2906267a71b851a5fe9ba45d4a77440d0f8236b61827fd50c9e