Analysis
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max time kernel
42s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
23-11-2022 18:56
Static task
static1
Behavioral task
behavioral1
Sample
36abaf79f3ee631e484e5d0ad2861b3a661ad0520fd1317a518aed60c59110a1.dll
Resource
win7-20220812-en
General
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Target
36abaf79f3ee631e484e5d0ad2861b3a661ad0520fd1317a518aed60c59110a1.dll
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Size
155KB
-
MD5
17cc44e2e51f83bc83111cf6f9d38b4b
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SHA1
9c324141fe74a67e60848ddd097a1a5b67e8bdf4
-
SHA256
36abaf79f3ee631e484e5d0ad2861b3a661ad0520fd1317a518aed60c59110a1
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SHA512
75017d43c72a7d42956477eee3353e4b454a883eed72bce5f71066861a325cdefe91c2a24779935300f1483d3b78ff018cd0368f16b56c4d1462cffe687ea102
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SSDEEP
3072:EEerWSF+6RjZiq2uW1xZfsVF4ZCeeZaXBqsWX:E7r2I721vfsVeZ+gXBqsG
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
rundll32mgr.exepid process 1628 rundll32mgr.exe -
Processes:
resource yara_rule behavioral1/memory/1628-64-0x0000000000400000-0x000000000042A000-memory.dmp upx -
Loads dropped DLL 4 IoCs
Processes:
rundll32.exerundll32mgr.exepid process 1232 rundll32.exe 1232 rundll32.exe 1628 rundll32mgr.exe 1628 rundll32mgr.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1368 1628 WerFault.exe rundll32mgr.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1896 wrote to memory of 1232 1896 rundll32.exe rundll32.exe PID 1896 wrote to memory of 1232 1896 rundll32.exe rundll32.exe PID 1896 wrote to memory of 1232 1896 rundll32.exe rundll32.exe PID 1896 wrote to memory of 1232 1896 rundll32.exe rundll32.exe PID 1896 wrote to memory of 1232 1896 rundll32.exe rundll32.exe PID 1896 wrote to memory of 1232 1896 rundll32.exe rundll32.exe PID 1896 wrote to memory of 1232 1896 rundll32.exe rundll32.exe PID 1232 wrote to memory of 1628 1232 rundll32.exe rundll32mgr.exe PID 1232 wrote to memory of 1628 1232 rundll32.exe rundll32mgr.exe PID 1232 wrote to memory of 1628 1232 rundll32.exe rundll32mgr.exe PID 1232 wrote to memory of 1628 1232 rundll32.exe rundll32mgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\36abaf79f3ee631e484e5d0ad2861b3a661ad0520fd1317a518aed60c59110a1.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1896 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\36abaf79f3ee631e484e5d0ad2861b3a661ad0520fd1317a518aed60c59110a1.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1628 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1628 -s 1804⤵
- Program crash
PID:1368
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
106KB
MD57657fcb7d772448a6d8504e4b20168b8
SHA184c7201f7e59cb416280fd69a2e7f2e349ec8242
SHA25654bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71
SHA512786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94
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Filesize
106KB
MD57657fcb7d772448a6d8504e4b20168b8
SHA184c7201f7e59cb416280fd69a2e7f2e349ec8242
SHA25654bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71
SHA512786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2
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Filesize
106KB
MD57657fcb7d772448a6d8504e4b20168b8
SHA184c7201f7e59cb416280fd69a2e7f2e349ec8242
SHA25654bc950d46a0d1aa72048a17c8275743209e6c17bdacfc4cb9601c9ce3ec9a71
SHA512786addd2a793bd4123625b22dc717d193246442ac97f1c3f4a763ec794b48e68051cd41097c0e9f7367e6914534f36eafccb109ab03dc793d68bf1522e7884e2