Analysis
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max time kernel
151s -
max time network
170s -
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 11:07
Static task
static1
Behavioral task
behavioral1
Sample
e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exe
Resource
win10v2004-20220812-en
General
-
Target
e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exe
-
Size
126KB
-
MD5
3e170416c10f8c5e98ed22600f11bc9d
-
SHA1
1da8daa58dd55203e15f3cd0ddf872636cb8c66e
-
SHA256
e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b
-
SHA512
dcc1cea177c11e76bff507ca3562c67d02e29b9e83da43530f19d96b2e66fd2a33100f3b151286ecfcfba449fd142597cbc4f04474b4e623f0aff62e36a42524
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SSDEEP
3072:5dMteqnKFgQqtbNAtP7lyqmozo+udSC0LljrqJ:HbdFgQcKDQ+u4CwlM
Malware Config
Signatures
-
Executes dropped EXE 1 IoCs
Processes:
charmapnt.exepid process 5016 charmapnt.exe -
Adds Run key to start application 2 TTPs 2 IoCs
Processes:
charmapnt.exedescription ioc process Key created \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\Run charmapnt.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Mapa de caracteres para NT = "\"c:\\windows\\charmapnt.exe\"" charmapnt.exe -
Drops file in Windows directory 3 IoCs
Processes:
e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.execharmapnt.exedescription ioc process File created \??\c:\windows\charmapnt.exe e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exe File opened for modification \??\c:\windows\charmapnt.exe e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exe File created C:\Windows\ieupdate.dat charmapnt.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.execharmapnt.exepid process 1964 e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exe 5016 charmapnt.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exedescription pid process target process PID 1964 wrote to memory of 5016 1964 e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exe charmapnt.exe PID 1964 wrote to memory of 5016 1964 e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exe charmapnt.exe PID 1964 wrote to memory of 5016 1964 e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exe charmapnt.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exe"C:\Users\Admin\AppData\Local\Temp\e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b.exe"1⤵
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1964 -
\??\c:\windows\charmapnt.exec:\windows\charmapnt.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of SetWindowsHookEx
PID:5016
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
-
Filesize
126KB
MD53e170416c10f8c5e98ed22600f11bc9d
SHA11da8daa58dd55203e15f3cd0ddf872636cb8c66e
SHA256e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b
SHA512dcc1cea177c11e76bff507ca3562c67d02e29b9e83da43530f19d96b2e66fd2a33100f3b151286ecfcfba449fd142597cbc4f04474b4e623f0aff62e36a42524
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Filesize
126KB
MD53e170416c10f8c5e98ed22600f11bc9d
SHA11da8daa58dd55203e15f3cd0ddf872636cb8c66e
SHA256e90d35320f434ec377a4841f1a4372b3eb588af13561642396e04035d283b82b
SHA512dcc1cea177c11e76bff507ca3562c67d02e29b9e83da43530f19d96b2e66fd2a33100f3b151286ecfcfba449fd142597cbc4f04474b4e623f0aff62e36a42524