emotet | f6d85f3e1994ebb17b63fca126381ebc5adff4ba5358558512850c7d907d2ff5

Analysis

max time kernel
17s
max time network
129s
platform
windows10_x64
resource
win10v20201028
submitted
26-01-2021 23:46

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General

Target

sxkfec.tld.dll

Score

10^/10

emotet lea banker ransomware trojan

Malware Config

Extracted

Family

emotet

Botnet

LEA

80.158.3.161:443

80.158.51.209:8080

80.158.35.51:80

80.158.63.78:443

80.158.53.167:80

80.158.62.194:443

80.158.59.174:8080

80.158.43.136:80

rsa_pubkey.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

11 428 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Apdrqfegpirtzo\ajamuanqkjpbn.aek rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

rundll32.exerundll32.exe

pid process

1144 rundll32.exe
1144 rundll32.exe
428 rundll32.exe
428 rundll32.exe
428 rundll32.exe
428 rundll32.exe
428 rundll32.exe
428 rundll32.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

rundll32.exe

pid process

1144 rundll32.exe

flow	pid	process
11	428	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Apdrqfegpirtzo\ajamuanqkjpbn.aek	rundll32.exe

pid	process
1144	rundll32.exe
1144	rundll32.exe
428	rundll32.exe
428	rundll32.exe
428	rundll32.exe
428	rundll32.exe
428	rundll32.exe
428	rundll32.exe

pid	process
1144	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 832 wrote to memory of 1144	832	rundll32.exe	rundll32.exe
PID 832 wrote to memory of 1144	832	rundll32.exe	rundll32.exe
PID 832 wrote to memory of 1144	832	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 428	1144	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 428	1144	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 428	1144	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\sxkfec.tld.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:832

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\sxkfec.tld.dll,#1
2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:1144

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Apdrqfegpirtzo\ajamuanqkjpbn.aek",Control_RunDLL
3⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:428

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/428-5-0x0000000000000000-mapping.dmp

Download
memory/428-7-0x0000000000600000-0x0000000000620000-memory.dmp

Filesize
128KB

Download
memory/1144-2-0x0000000000000000-mapping.dmp

Download
memory/1144-3-0x00000000008D0000-0x00000000008ED000-memory.dmp

Filesize
116KB

Download
memory/1144-4-0x0000000000E60000-0x0000000000E80000-memory.dmp

Filesize
128KB

Download