Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
24-11-2024 04:52
Static task
static1
Behavioral task
behavioral1
Sample
92a680ce5333a3345222a0473c826364_JaffaCakes118.dll
Resource
win7-20241010-en
General
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Target
92a680ce5333a3345222a0473c826364_JaffaCakes118.dll
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Size
335KB
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MD5
92a680ce5333a3345222a0473c826364
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SHA1
999b1d8738ec80e024c5019e84920d8a2fb47a1d
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SHA256
ccbd6b3f267fd2d2b07e90e3ab66d4fd6343c82073e08e9576e977f915dba8f5
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SHA512
d45818b49c5cba38eda40c461b8cf0078e768503a24947dcd231b2120844f1e4902caf23e793a3e8116eb40192fe12b11a26731e54e1737ba522a1da13beddef
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SSDEEP
3072:dBgPPL4wmm/OXj1OGd8z6K98ymI+qaIQBLbXarOx/g1ul916e0Y56FPO7uCopSXd:DgPPMW2hv8zN8LI+qadBLTZKQGNquC5N
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 1628 regsvr32mgr.exe -
Loads dropped DLL 4 IoCs
pid Process 612 regsvr32.exe 612 regsvr32.exe 1628 regsvr32mgr.exe 1628 regsvr32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\regsvr32mgr.exe regsvr32.exe -
resource yara_rule behavioral1/memory/1628-12-0x0000000000400000-0x000000000044A000-memory.dmp upx behavioral1/memory/1628-19-0x0000000000400000-0x000000000044A000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 2216 1628 WerFault.exe 29 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 regsvr32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32mgr.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9FC132B-096D-460B-B7D5-1DB0FAE0C062}\Implemented Categories\{7DD95802-9882-11CF-9FA9-00AA006C42C4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9FC132B-096D-460B-B7D5-1DB0FAE0C062}\Implemented Categories\{7DD95801-9882-11CF-9FA9-00AA006C42C4} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9FC132B-096D-460B-B7D5-1DB0FAE0C062} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{A9FC132B-096D-460B-B7D5-1DB0FAE0C062}\Implemented Categories regsvr32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2844 wrote to memory of 612 2844 regsvr32.exe 28 PID 2844 wrote to memory of 612 2844 regsvr32.exe 28 PID 2844 wrote to memory of 612 2844 regsvr32.exe 28 PID 2844 wrote to memory of 612 2844 regsvr32.exe 28 PID 2844 wrote to memory of 612 2844 regsvr32.exe 28 PID 2844 wrote to memory of 612 2844 regsvr32.exe 28 PID 2844 wrote to memory of 612 2844 regsvr32.exe 28 PID 612 wrote to memory of 1628 612 regsvr32.exe 29 PID 612 wrote to memory of 1628 612 regsvr32.exe 29 PID 612 wrote to memory of 1628 612 regsvr32.exe 29 PID 612 wrote to memory of 1628 612 regsvr32.exe 29
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\92a680ce5333a3345222a0473c826364_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2844 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\92a680ce5333a3345222a0473c826364_JaffaCakes118.dll2⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:612 -
C:\Windows\SysWOW64\regsvr32mgr.exeC:\Windows\SysWOW64\regsvr32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1628 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 1804⤵
- Program crash
PID:2216
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
157KB
MD5349ae3b8b734f11c55226e86815e45a4
SHA1422c76c1954ca083a7234c6cd5287ac018613ba4
SHA256790eda030503f9ffc189aec8f69ba439b5997e7c76661c7c3bd82d90a82d57cc
SHA512a24d3b9045b11c0213c89035af787d7958c464b0d9f1f5c37874ca2ebf74a9539239d5351e76411ec3e355df899c36bcfe765aa22fccfb41cd830e1404b616cd
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94