Analysis
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max time kernel
67s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2022 18:29
Static task
static1
Behavioral task
behavioral1
Sample
b6c0bf32db93c5469648f7a397822b576ab003e30e395f5ab601b3d0f7ae0fc1.dll
Resource
win7-20221111-en
General
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Target
b6c0bf32db93c5469648f7a397822b576ab003e30e395f5ab601b3d0f7ae0fc1.dll
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Size
329KB
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MD5
0951a00d7e028b4d9e7710dcd4a6440b
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SHA1
760119ab49e160ad168063498ee4b5e11afea810
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SHA256
b6c0bf32db93c5469648f7a397822b576ab003e30e395f5ab601b3d0f7ae0fc1
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SHA512
6431fa3f55da35cdc2bd94ccf942887d5dbca962e0e33722f19205f4c501826171b6f445f485f56e566a83e091d6bf2f7e62ef650a919c753f523f534df741eb
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SSDEEP
6144:ACIGPj038tAgFMldsNX+Jxs3FrbFNq8l/covlAnH78sO5yJu:Fj038t/FMlds4g3tJNq8lEovlSH78r57
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
rundll32mgr.exepid process 4188 rundll32mgr.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32mgr.exepid process 4188 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 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 1060 4188 WerFault.exe rundll32mgr.exe 1244 2448 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 2472 wrote to memory of 2448 2472 rundll32.exe rundll32.exe PID 2472 wrote to memory of 2448 2472 rundll32.exe rundll32.exe PID 2472 wrote to memory of 2448 2472 rundll32.exe rundll32.exe PID 2448 wrote to memory of 4188 2448 rundll32.exe rundll32mgr.exe PID 2448 wrote to memory of 4188 2448 rundll32.exe rundll32mgr.exe PID 2448 wrote to memory of 4188 2448 rundll32.exe rundll32mgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b6c0bf32db93c5469648f7a397822b576ab003e30e395f5ab601b3d0f7ae0fc1.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b6c0bf32db93c5469648f7a397822b576ab003e30e395f5ab601b3d0f7ae0fc1.dll,#12⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:4188 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 3764⤵
- Program crash
PID:1060 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 6083⤵
- Program crash
PID:1244
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2448 -ip 24481⤵PID:4796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4188 -ip 41881⤵PID:4896
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
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Filesize
162KB
MD533cd65ebd943a41a3b65fa1ccfce067c
SHA1715d78b89cadbbd517fec3a48f415e1dc00f92bb
SHA25643c91f0a793c2776757ecec287a2d50cbf331d27f08aa559ffc160a417d3d1ae
SHA512ea7c5b04eb5dd99ff38f7699cceef49680c094beab01751a92541e56293f7ecc3381aeca9a8863f95b75b548c0d02cf5127eaaf4cc1f784974981fade9ebeaf2
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Filesize
162KB
MD533cd65ebd943a41a3b65fa1ccfce067c
SHA1715d78b89cadbbd517fec3a48f415e1dc00f92bb
SHA25643c91f0a793c2776757ecec287a2d50cbf331d27f08aa559ffc160a417d3d1ae
SHA512ea7c5b04eb5dd99ff38f7699cceef49680c094beab01751a92541e56293f7ecc3381aeca9a8863f95b75b548c0d02cf5127eaaf4cc1f784974981fade9ebeaf2