emotet | 591d32aeae0554f744df8843727e794d33495ff0a4b90a9f7861ab526988ded7

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2024 04:29

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General

Target

reswnop.exe
Size

57KB
MD5

d09a466039ffe16e231a202bd6259db8
SHA1

a625728ec40bd353b79913bed4dee0c297467d3d
SHA256

591d32aeae0554f744df8843727e794d33495ff0a4b90a9f7861ab526988ded7
SHA512

fdd7e00f1e08f51610c90df3d75c7228f6567acc6dc3c7c0e04af5ece90a7042dae445c3f80facdbd9150e579dcbc773a23b0e423c68670daae1d7dce220f80a
SSDEEP

1536:pKlUb+Dm4s9hN1YkPDckM8HsquOBcrqqRTVrdnsqiMSKMkS:EI4sZ1YkPH1BcGqFVrBo3

Score

10^/10

emotet epoch2 banker discovery trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch2

201.184.105.242:443

24.45.195.162:7080

24.45.195.162:8443

94.192.225.46:80

80.11.163.139:443

133.167.80.63:7080

198.199.114.69:8080

80.79.23.144:443

192.254.173.31:8080

67.225.229.55:8080

190.108.228.48:990

62.75.187.192:8080

185.94.252.13:443

94.205.247.10:80

211.63.71.72:8080

59.103.164.174:80

192.81.213.192:8080

27.4.80.183:443

190.145.67.134:8090

115.78.95.230:443

rsa_pubkey.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5	makerprep.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	makerprep.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	makerprep.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	makerprep.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	makerprep.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reswnop.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reswnop.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	makerprep.exe

Modifies data under HKEY_USERS 3 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	makerprep.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	makerprep.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	makerprep.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3840	makerprep.exe
3840	makerprep.exe
3840	makerprep.exe
3840	makerprep.exe
3840	makerprep.exe
3840	makerprep.exe
3840	makerprep.exe
3840	makerprep.exe
3840	makerprep.exe
3840	makerprep.exe
3840	makerprep.exe
3840	makerprep.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1068	reswnop.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 1068	3520	reswnop.exe	81
PID 3520 wrote to memory of 1068	3520	reswnop.exe	81
PID 3520 wrote to memory of 1068	3520	reswnop.exe	81
PID 2848 wrote to memory of 3840	2848	makerprep.exe	86
PID 2848 wrote to memory of 3840	2848	makerprep.exe	86
PID 2848 wrote to memory of 3840	2848	makerprep.exe	86

C:\Users\Admin\AppData\Local\Temp\reswnop.exe
"C:\Users\Admin\AppData\Local\Temp\reswnop.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Users\Admin\AppData\Local\Temp\reswnop.exe
  --65ea19bc
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:1068

C:\Windows\SysWOW64\makerprep.exe
"C:\Windows\SysWOW64\makerprep.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Windows\SysWOW64\makerprep.exe
  --c1d9a507
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:3840

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1068-0-0x0000000000D20000-0x0000000000D34000-memory.dmp

Filesize
80KB

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