Analysis
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max time kernel
43s -
max time network
47s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
30/10/2022, 06:54
Static task
static1
Behavioral task
behavioral1
Sample
40030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
40030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab.exe
Resource
win10v2004-20220901-en
General
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Target
40030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab.exe
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Size
51KB
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MD5
938efdd98a743c0b10df427eced2d710
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SHA1
45032708c2692567149f4ead127ccff70474b1fb
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SHA256
40030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab
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SHA512
a6fc2e2473a488b8c4ce3ccb1dac78faea672b9edb631edb56611c909c535fa97a3ff925227cb6668ee6a52b1ae932a91baf3c2b032188b0bcf1a3a533d35dfb
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SSDEEP
768:Vvdv6GHnHKMBg93qHbGjZDImJNVq+yHRV1firwzb5:VlvRHzAaHfmBq+yHRrig5
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1720 gemuas.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\gemuas.exe 40030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab.exe File opened for modification C:\Windows\SysWOW64\gemuas.exe 40030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1720 set thread context of 1552 1720 gemuas.exe 28 -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1672 40030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 1672 40030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab.exe 1672 40030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab.exe 1720 gemuas.exe 1720 gemuas.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1720 wrote to memory of 1552 1720 gemuas.exe 28 PID 1720 wrote to memory of 1552 1720 gemuas.exe 28 PID 1720 wrote to memory of 1552 1720 gemuas.exe 28 PID 1720 wrote to memory of 1552 1720 gemuas.exe 28 PID 1720 wrote to memory of 1552 1720 gemuas.exe 28 PID 1720 wrote to memory of 1552 1720 gemuas.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\40030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab.exe"C:\Users\Admin\AppData\Local\Temp\40030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab.exe"1⤵
- Drops file in System32 directory
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
PID:1672
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C:\Windows\SysWOW64\gemuas.exeC:\Windows\SysWOW64\gemuas.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Windows\SysWOW64\svchost.exesvchost.exe2⤵PID:1552
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
51KB
MD5938efdd98a743c0b10df427eced2d710
SHA145032708c2692567149f4ead127ccff70474b1fb
SHA25640030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab
SHA512a6fc2e2473a488b8c4ce3ccb1dac78faea672b9edb631edb56611c909c535fa97a3ff925227cb6668ee6a52b1ae932a91baf3c2b032188b0bcf1a3a533d35dfb
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Filesize
51KB
MD5938efdd98a743c0b10df427eced2d710
SHA145032708c2692567149f4ead127ccff70474b1fb
SHA25640030aebd2ec5e64ff4de19ba01c11e994336201293922b778a68697b41ddfab
SHA512a6fc2e2473a488b8c4ce3ccb1dac78faea672b9edb631edb56611c909c535fa97a3ff925227cb6668ee6a52b1ae932a91baf3c2b032188b0bcf1a3a533d35dfb