emotet | 7b7417841ab28e8117641e4865d6e10b2e467545fb56065841ce83ff34b1c3f4

Analysis

max time kernel
90s
max time network
138s
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, 11:23

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General

Target
f1a9f72fd1a3829a447123e2bf8aff3e.dll
Size 664KB
Sample221102-ng5lnabdg5
SHA256 7b7417841ab28e8117641e4865d6e10b2e467545fb56065841ce83ff34b1c3f4
MD5 f1a9f72fd1a3829a447123e2bf8aff3e
SHA1 7f7edca225771644319bd61f8244b9629d9806e9
SHA512 7d4b5916d89c4bc3a3e4aacae54b4642284b0504679424dccbd9412c8ba1a38fa871be2ae07931fbdac03d96a02455cdd20abe080f1620240642b1e48efbc4b5
SSDEEP 12288:v9D2/XRIK1chzV2rBt5APJlGIC4cDVi8HY1lW+lJk1XY61IU:lD2vRA2rv5APJfC4jiY18+lJkt
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\wbRPMiXUZlrcrfoA.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\LtMUdGZWufsFUBP\\wbRPMiXUZlrcrfoA.dll\""	regsvr32.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4840	regsvr32.exe
4840	regsvr32.exe
4288	regsvr32.exe
4288	regsvr32.exe
4288	regsvr32.exe
4288	regsvr32.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4840	regsvr32.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 4288	4840	regsvr32.exe	80
PID 4840 wrote to memory of 4288	4840	regsvr32.exe	80

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\f1a9f72fd1a3829a447123e2bf8aff3e.dll
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Windows\system32\regsvr32.exe
  C:\Windows\system32\regsvr32.exe "C:\Windows\system32\LtMUdGZWufsFUBP\wbRPMiXUZlrcrfoA.dll"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  PID:4288

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/4840-132-0x0000000180000000-0x0000000180030000-memory.dmp

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