emotet | 9a275d62d6d6c0b820dd58b6705c9c2cfc13b618ea344a346d8042a5b8d643d4

Analysis

max time kernel
61s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2022, 00:18

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General

Target
em2.dll
Size 629KB
Sample221103-allsfsdac3
SHA256 9a275d62d6d6c0b820dd58b6705c9c2cfc13b618ea344a346d8042a5b8d643d4
MD5 23e318527c14822b86712fbf8349348f
SHA1 246d7cec40192b9a3dc9b89f66523d7e7d493a49
SHA512 f449f1d2f53a417f265ac6ab887d6ddad85d72ed15901551a6afa8099d01e411994fa31879a49f38ae1a53e96967530d87dd4fd4cec7ecbe0e8a633afe7480fd
SSDEEP 12288:6tGis7p49VmD3OjG7QbBtLG5WhNye5JHKVu6cig1Doa:6tGis1T3OjueLZhd5NKAD3
MD5 SHA1 SHA512 SSDEEP

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\oMjsDqawj.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\TljZg\\oMjsDqawj.dll\""	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1516	regsvr32.exe
1516	regsvr32.exe
1020	regsvr32.exe
1020	regsvr32.exe
1020	regsvr32.exe
1020	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1516	regsvr32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 1020	1516	regsvr32.exe	82
PID 1516 wrote to memory of 1020	1516	regsvr32.exe	82

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\em2.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Windows\system32\regsvr32.exe
  C:\Windows\system32\regsvr32.exe "C:\Windows\system32\TljZg\oMjsDqawj.dll"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:1020

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/1516-132-0x0000000180000000-0x000000018002F000-memory.dmp

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