emotet | ca8305b550de158fbcd871aa85bee9cd8556358f51ee99a8b9b1642efc580ef2

Analysis

max time kernel
54s
max time network
106s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
03/11/2022, 11:53

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General

Target

ca8305b550de158fbcd871aa85bee9cd8556358f51ee99a8b9b1642efc580ef2.dll
Size

818KB
MD5

1358e88e4654cd03344e25a1a1806d52
SHA1

ad52310504fe3c467a8d03f06ac1bbf38728d0a5
SHA256

ca8305b550de158fbcd871aa85bee9cd8556358f51ee99a8b9b1642efc580ef2
SHA512

f06eabd051b822cebfa0a6439b302116d1a005d010d6b5e9f6de666f469d5e2afbed599ae55bd379b8ba9125d561f86ff4eedf9f9de1e651c154265c0623bf3b
SSDEEP

12288:NdewIvxiRO9n6DPBt9bu8X+L81JcZl1rXx48/2aS4/2YX:NYwIvxFMXn+L8zcZ7r9wC2Y

Score

10^/10

emotet banker persistence trojan

Malware Config

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RpKThtOFBlBkcs.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MDtyb\\RpKThtOFBlBkcs.dll\""	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2496	regsvr32.exe
2496	regsvr32.exe
2780	regsvr32.exe
2780	regsvr32.exe
2780	regsvr32.exe
2780	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2496	regsvr32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2780	2496	regsvr32.exe	66
PID 2496 wrote to memory of 2780	2496	regsvr32.exe	66

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ca8305b550de158fbcd871aa85bee9cd8556358f51ee99a8b9b1642efc580ef2.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Windows\system32\regsvr32.exe
  C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MDtyb\RpKThtOFBlBkcs.dll"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:2780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2496-117-0x0000000180000000-0x0000000180030000-memory.dmp

Filesize
192KB

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