emotet | d2c3d09baf6258ad655c1c510ed7bb44f10d53d6d4d65b2e55cca8c41968d6c4

Analysis

Target
MFCCALC.dll
Size 412KB
Sample220419-yzdk1aaeej
SHA256 d2c3d09baf6258ad655c1c510ed7bb44f10d53d6d4d65b2e55cca8c41968d6c4
MD5 a4221d5120176d204745e65b4903ea4b
SHA1 803faf184293fa6ccb0384f14ada36274040e8a2
SHA512 445fefca086d86e39d405e2446e0b5c4d0e8d18f89d85fdc139336463c9ca21fa8ff8aa14ab2550d652849991b8a236de1a99064c3775e3353be5d1e443274b0
MD5 SHA1 SHA512

Score

10^/10

Family

Botnet

eck1.plain

ecs1.plain

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Zogurxvdhh\cidghpnpsgknoxq.tkb	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1988	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
240	regsvr32.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 240	1984	regsvr32.exe	27
PID 1984 wrote to memory of 240	1984	regsvr32.exe	27
PID 1984 wrote to memory of 240	1984	regsvr32.exe	27
PID 1984 wrote to memory of 240	1984	regsvr32.exe	27
PID 1984 wrote to memory of 240	1984	regsvr32.exe	27
PID 1984 wrote to memory of 240	1984	regsvr32.exe	27
PID 1984 wrote to memory of 240	1984	regsvr32.exe	27
PID 240 wrote to memory of 1988	240	regsvr32.exe	28
PID 240 wrote to memory of 1988	240	regsvr32.exe	28
PID 240 wrote to memory of 1988	240	regsvr32.exe	28
PID 240 wrote to memory of 1988	240	regsvr32.exe	28
PID 240 wrote to memory of 1988	240	regsvr32.exe	28
PID 240 wrote to memory of 1988	240	regsvr32.exe	28
PID 240 wrote to memory of 1988	240	regsvr32.exe	28

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\MFCCALC.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\MFCCALC.dll
  2⤵
  - Drops file in System32 directory
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:240
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Zogurxvdhh\cidghpnpsgknoxq.tkb"
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:1988

memory/240-56-0x00000000753C1000-0x00000000753C3000-memory.dmp

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memory/240-57-0x00000000002B0000-0x00000000002D7000-memory.dmp

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memory/1984-54-0x000007FEFBFE1000-0x000007FEFBFE3000-memory.dmp

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memory/1988-62-0x0000000000520000-0x0000000000547000-memory.dmp

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