Analysis
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max time kernel
45s -
max time network
49s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
02-12-2022 06:34
Static task
static1
Behavioral task
behavioral1
Sample
78aa8219eccfab8f69b7131e1402d9684a4385e6f0d84430454f1514e2a0e90b.dll
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
78aa8219eccfab8f69b7131e1402d9684a4385e6f0d84430454f1514e2a0e90b.dll
Resource
win10v2004-20220812-en
General
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Target
78aa8219eccfab8f69b7131e1402d9684a4385e6f0d84430454f1514e2a0e90b.dll
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Size
787KB
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MD5
b1158f2e5e67732a887084d236065cf0
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SHA1
4aceb3a5a32197f1baf25dfcc2bd2bc4bd208d6d
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SHA256
78aa8219eccfab8f69b7131e1402d9684a4385e6f0d84430454f1514e2a0e90b
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SHA512
fa2c2a86354776320c04b3109079a913c13134827a8b74300ba0181bb1c23440663c077e1816f7758eaaed767081db8b891cd681fb1049789ef550d65c4afc3c
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SSDEEP
24576:Qzb1MlCKUQyUmjtczu6Prs9pgWoopooK9kwPXjZW:QzbKsUmjtcdPGgIwPXY
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
rundll32mgr.exepid process 1080 rundll32mgr.exe -
Processes:
resource yara_rule \Windows\SysWOW64\rundll32mgr.exe upx \Windows\SysWOW64\rundll32mgr.exe upx C:\Windows\SysWOW64\rundll32mgr.exe upx behavioral1/memory/1080-60-0x0000000000400000-0x0000000000461000-memory.dmp upx -
Loads dropped DLL 2 IoCs
Processes:
rundll32.exepid process 820 rundll32.exe 820 rundll32.exe -
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1284 wrote to memory of 820 1284 rundll32.exe rundll32.exe PID 1284 wrote to memory of 820 1284 rundll32.exe rundll32.exe PID 1284 wrote to memory of 820 1284 rundll32.exe rundll32.exe PID 1284 wrote to memory of 820 1284 rundll32.exe rundll32.exe PID 1284 wrote to memory of 820 1284 rundll32.exe rundll32.exe PID 1284 wrote to memory of 820 1284 rundll32.exe rundll32.exe PID 1284 wrote to memory of 820 1284 rundll32.exe rundll32.exe PID 820 wrote to memory of 1080 820 rundll32.exe rundll32mgr.exe PID 820 wrote to memory of 1080 820 rundll32.exe rundll32mgr.exe PID 820 wrote to memory of 1080 820 rundll32.exe rundll32mgr.exe PID 820 wrote to memory of 1080 820 rundll32.exe rundll32mgr.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\78aa8219eccfab8f69b7131e1402d9684a4385e6f0d84430454f1514e2a0e90b.dll,#11⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\78aa8219eccfab8f69b7131e1402d9684a4385e6f0d84430454f1514e2a0e90b.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\rundll32mgr.exeFilesize
129KB
MD50344a3aa574e9d0e0f5593ed1b4cb88b
SHA1951fe2b0b4678199676e71838d91dddf762fa79d
SHA25693f2949add56ea8f8f063c3b313ee701f57a208021fafbe6aac3e9a43a6f3ded
SHA51231e4f5a15a7d15938cbd80638230ddb2cc3acd5060d99b4ea061fe1f186e6165755f2724c5bfe7b509a42e4a4612c95920f14d509a3f8c7b68b19e994fa7afdc
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\Windows\SysWOW64\rundll32mgr.exeFilesize
129KB
MD50344a3aa574e9d0e0f5593ed1b4cb88b
SHA1951fe2b0b4678199676e71838d91dddf762fa79d
SHA25693f2949add56ea8f8f063c3b313ee701f57a208021fafbe6aac3e9a43a6f3ded
SHA51231e4f5a15a7d15938cbd80638230ddb2cc3acd5060d99b4ea061fe1f186e6165755f2724c5bfe7b509a42e4a4612c95920f14d509a3f8c7b68b19e994fa7afdc
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\Windows\SysWOW64\rundll32mgr.exeFilesize
129KB
MD50344a3aa574e9d0e0f5593ed1b4cb88b
SHA1951fe2b0b4678199676e71838d91dddf762fa79d
SHA25693f2949add56ea8f8f063c3b313ee701f57a208021fafbe6aac3e9a43a6f3ded
SHA51231e4f5a15a7d15938cbd80638230ddb2cc3acd5060d99b4ea061fe1f186e6165755f2724c5bfe7b509a42e4a4612c95920f14d509a3f8c7b68b19e994fa7afdc
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memory/820-54-0x0000000000000000-mapping.dmp
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memory/820-55-0x00000000762E1000-0x00000000762E3000-memory.dmpFilesize
8KB
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memory/820-61-0x0000000005000000-0x00000000050CA000-memory.dmpFilesize
808KB
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memory/820-62-0x00000000001C0000-0x0000000000221000-memory.dmpFilesize
388KB
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memory/820-63-0x00000000001C0000-0x0000000000221000-memory.dmpFilesize
388KB
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memory/1080-58-0x0000000000000000-mapping.dmp
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memory/1080-60-0x0000000000400000-0x0000000000461000-memory.dmpFilesize
388KB