emotet | b5b306b6576a7c53f51bf47d43b8ea2f095a321a43867cd233aa66d23b4ca0f8

Analysis

max time kernel
60s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2022, 23:30

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General

Target
em16.dll
Size 629KB
Sample221102-3g5zrafchk
SHA256 b5b306b6576a7c53f51bf47d43b8ea2f095a321a43867cd233aa66d23b4ca0f8
MD5 004b591271103ab12413a2403c61916f
SHA1 963e44dcc556be60dfeffbe24e58187a834f9425
SHA512 32968a90637400fd217943e7d242cc58a3fc4722be9cea206eca485045071cea4915c86a4b75cd95b56a3d4081023c8e0c1d6d9e6f42a74abc2cdaeb0d9cc444
SSDEEP 12288:6tGis7p49VmD3OjG7QbBtLY5WhNye5JHKVu6cig1Doa:6tGis1T3OjueL/hd5NKAD3
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\HcxznBEf.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\JFgNgBYVfpbq\\HcxznBEf.dll\""	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1212	regsvr32.exe
1212	regsvr32.exe
384	regsvr32.exe
384	regsvr32.exe
384	regsvr32.exe
384	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1212	regsvr32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 384	1212	regsvr32.exe	79
PID 1212 wrote to memory of 384	1212	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\em16.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1212
- C:\Windows\system32\regsvr32.exe
  C:\Windows\system32\regsvr32.exe "C:\Windows\system32\JFgNgBYVfpbq\HcxznBEf.dll"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:384

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/1212-132-0x0000000180000000-0x000000018002F000-memory.dmp

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