emotet | 3c81c94d8fea039935974cea0ec81725ceb24198b3d4c08959d6f4cc01d8666e

Analysis

max time kernel
54s
max time network
107s
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, 15:47

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General

Target

3c81c94d8fea039935974cea0ec81725ceb24198b3d4c08959d6f4cc01d8666e.dll
Size

712KB
MD5

04c61b0f0ab4cba3d9fac6a034fd663f
SHA1

13e9bd18e069f012354624c15c4e79764b194094
SHA256

3c81c94d8fea039935974cea0ec81725ceb24198b3d4c08959d6f4cc01d8666e
SHA512

1b37f843c99932dedc2250a50dece378ed91a21d3736dbd031c5cb44a038d8d21727a66ce6ca4b22d7c51eee14ec14cf923894abb5349ecc2036e4baf8aff512
SSDEEP

12288:Jm3ryg7+tKkrxfIoAGA8YHrKreGkca011br+0MACwlg6WggbE/A4:JuryW+5rNIoJZYHrKreFBjWCN4

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\CUGu.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\RyOMGVQM\\CUGu.dll\""	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2692	regsvr32.exe
2692	regsvr32.exe
3800	regsvr32.exe
3800	regsvr32.exe
3800	regsvr32.exe
3800	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2692	regsvr32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 3800	2692	regsvr32.exe	66
PID 2692 wrote to memory of 3800	2692	regsvr32.exe	66

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3c81c94d8fea039935974cea0ec81725ceb24198b3d4c08959d6f4cc01d8666e.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2692
- C:\Windows\system32\regsvr32.exe
  C:\Windows\system32\regsvr32.exe "C:\Windows\system32\RyOMGVQM\CUGu.dll"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:3800

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/2692-115-0x0000000180000000-0x0000000180030000-memory.dmp

Filesize
192KB

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