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Analysis
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max time kernel
88s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
25/03/2023, 12:43
Static task
static1
Behavioral task
behavioral1
Sample
cheirotherium.dll
Resource
win7-20230220-en
2 signatures
150 seconds
Behavioral task
behavioral2
Sample
cheirotherium.dll
Resource
win10v2004-20230220-en
2 signatures
150 seconds
General
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Target
cheirotherium.dll
-
Size
481KB
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MD5
27abb413f6543e7a627880ec2b6bd91f
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SHA1
deffa882e0011edf87e2d141e63bc86318d223e2
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SHA256
dde364f762284b712008127922d3ab75a79687f2a03406ce87175c496cb3ae46
-
SHA512
bc1b18e77dc91e52c74359b0ad9d92117ed96dde01ee4564db88e4b3e5043575caa3f21c06e1f4b4db4c60fffa5cb254bd274c1bd16d522d00bf954ea058b693
-
SSDEEP
12288:FNg5j3vw+WqFlWJfkmVwe1UL4hsao3Oowg9Pdz:M55F4lhrgOon9J
Score
3/10
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1960 3336 WerFault.exe 85 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2128 wrote to memory of 3336 2128 rundll32.exe 85 PID 2128 wrote to memory of 3336 2128 rundll32.exe 85 PID 2128 wrote to memory of 3336 2128 rundll32.exe 85
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cheirotherium.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\cheirotherium.dll,#12⤵PID:3336
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3336 -s 6003⤵
- Program crash
PID:1960
-
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3336 -ip 33361⤵PID:2464