Analysis
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max time kernel
118s -
max time network
130s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
14/03/2024, 08:08
Static task
static1
Behavioral task
behavioral1
Sample
c8205c7edb79709dcb77038e4af160f2.dll
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
c8205c7edb79709dcb77038e4af160f2.dll
Resource
win10v2004-20240226-en
General
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Target
c8205c7edb79709dcb77038e4af160f2.dll
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Size
502KB
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MD5
c8205c7edb79709dcb77038e4af160f2
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SHA1
c3c935956c0aefc7899e51696829ebbbf5596be6
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SHA256
515b3103786959194f8dfdcb9abf2c93b84d0977f04b61a084eb73f12d64657c
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SHA512
ffb30430b27f96332321475b2a4b11d87318ad4ea672ab6854b3194f9aee2a6bb9d0aee7e3cdc54bc3b8c6c2d842193a67bd5c4b900eabc75afd2e02d052fc27
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SSDEEP
6144:jhlE9IW+WQyKL8ze3iWVGxt5Qr8euxvzj0dmKcAnNkwlMac85yDhJK1wkS5Dqy:FHmP2ZVmQrnuSpcAnNnMIy/1D3
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2960 rundll32mgr.exe -
Loads dropped DLL 3 IoCs
pid Process 2588 rundll32.exe 2960 rundll32mgr.exe 2960 rundll32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Program crash 2 IoCs
pid pid_target Process procid_target 1444 2588 WerFault.exe 28 2456 2960 WerFault.exe 29 -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2092 wrote to memory of 2588 2092 rundll32.exe 28 PID 2092 wrote to memory of 2588 2092 rundll32.exe 28 PID 2092 wrote to memory of 2588 2092 rundll32.exe 28 PID 2092 wrote to memory of 2588 2092 rundll32.exe 28 PID 2092 wrote to memory of 2588 2092 rundll32.exe 28 PID 2092 wrote to memory of 2588 2092 rundll32.exe 28 PID 2092 wrote to memory of 2588 2092 rundll32.exe 28 PID 2588 wrote to memory of 2960 2588 rundll32.exe 29 PID 2588 wrote to memory of 2960 2588 rundll32.exe 29 PID 2588 wrote to memory of 2960 2588 rundll32.exe 29 PID 2588 wrote to memory of 2960 2588 rundll32.exe 29 PID 2588 wrote to memory of 1444 2588 rundll32.exe 30 PID 2588 wrote to memory of 1444 2588 rundll32.exe 30 PID 2588 wrote to memory of 1444 2588 rundll32.exe 30 PID 2588 wrote to memory of 1444 2588 rundll32.exe 30
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c8205c7edb79709dcb77038e4af160f2.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2092 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\c8205c7edb79709dcb77038e4af160f2.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2588 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2960 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 1644⤵
- Program crash
PID:2456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 2403⤵
- Program crash
PID:1444
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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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
270KB
MD59d98badfb96f1384ecd059e89fb2d1fe
SHA1239094afbb8ccaddef0493ceea50469a87cd254c
SHA2567837455eaec625be70922a22405cecfe9f0def2204fa4746337999b61403aace
SHA5127d04faeea61bdbd39f5bf67a31f6ca1276031e98c4eac099a4d65281cac205a6e309c7006c8f364ae97e378628dda55a1389c87f9222ddbafba4292320f76b52