emotet | 18baffe5bbb0d1040fe42a6a67ac14ee70c13c708c9b5529f1ffecc2e710a805

Analysis

max time kernel
57s
max time network
119s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
03-11-2022 14:15

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General

Target

18baffe5bbb0d1040fe42a6a67ac14ee70c13c708c9b5529f1ffecc2e710a805.dll
Size

814KB
MD5

cc56251efdddfa706013880cf6f5aad4
SHA1

f7b98b4c8b68b435ecacc938c5836abaaf566e03
SHA256

18baffe5bbb0d1040fe42a6a67ac14ee70c13c708c9b5529f1ffecc2e710a805
SHA512

afd5d2f2a0c5b15831342e20b3fd7c983b7492c564b48143e7d46e3fff2bf05ad88664525fc6cd69fe479a0abd7d5d98d4ed240cf0304a8cd12b018af580eb5b
SSDEEP

12288:5sIyzbpudwh9PQx873eHeLs15pZ6yRQHf04Tn/WMideaik:5JyzbwdG4eLsjpZfRQD/q8fk

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\UObkk.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MfnjpYyTIvbZNMukI\\UObkk.dll\""	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2796	regsvr32.exe
2796	regsvr32.exe
4676	regsvr32.exe
4676	regsvr32.exe
4676	regsvr32.exe
4676	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2796	regsvr32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 4676	2796	regsvr32.exe	66
PID 2796 wrote to memory of 4676	2796	regsvr32.exe	66

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\18baffe5bbb0d1040fe42a6a67ac14ee70c13c708c9b5529f1ffecc2e710a805.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2796
- C:\Windows\system32\regsvr32.exe
  C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MfnjpYyTIvbZNMukI\UObkk.dll"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:4676

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/2796-120-0x0000000180000000-0x000000018002F000-memory.dmp

Filesize
188KB

Download
memory/4676-125-0x0000000000000000-mapping.dmp

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