emotet | e59e7db0c75cef4bb6e057d725bae7ed5e13fd011b54fe39c3fe7cdb123b684f

Analysis

max time kernel
301s
max time network
313s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
20-06-2022 13:51

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General

Target

4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe
Size

341KB
MD5

83d8dac9d5b9137272a09108bef54457
SHA1

0134e7feeb2727030a2a8e143751490c760dd7fc
SHA256

4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492
SHA512

a1778db56c6ca781397eba82efbe3156119b3acb2532e29f16d23b8e516b182ac1ade0c7fa70d7e4774b6d9df0e759ec560391b2d63ae9cb4948c9e63e0bb36b

Score

10^/10

emotet epoch1 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch1

181.58.181.9:80

190.251.216.100:80

54.36.185.60:80

202.79.24.136:443

111.67.12.222:8080

190.195.129.227:8090

12.162.84.2:8080

80.15.100.37:80

45.16.226.117:443

62.84.75.50:80

178.250.54.208:8080

188.135.15.49:80

103.236.179.162:80

181.120.29.49:80

68.183.170.114:8080

111.67.12.221:8080

197.232.36.108:80

185.183.16.47:80

94.23.62.116:8080

200.24.255.23:80

rsa_pubkey.plain

Signatures

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

Emotet Payload 5 IoCs

Detects Emotet payload in memory.

trojan banker

Processes:

resource	yara_rule
behavioral18/memory/3188-130-0x0000000002250000-0x0000000002262000-memory.dmp	emotet
behavioral18/memory/3188-134-0x0000000002270000-0x0000000002280000-memory.dmp	emotet
behavioral18/memory/3188-137-0x0000000002240000-0x000000000224F000-memory.dmp	emotet
behavioral18/memory/508-140-0x0000000001F90000-0x0000000001FA2000-memory.dmp	emotet
behavioral18/memory/508-144-0x0000000001FC0000-0x0000000001FD0000-memory.dmp	emotet

Executes dropped EXE 1 IoCs

Processes:

mfasfsrcsnk.exe

pid process

508 mfasfsrcsnk.exe

Drops file in System32 directory 1 IoCs

Processes:

4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\ztrace_maps\mfasfsrcsnk.exe	4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe

Drops file in Windows directory 2 IoCs

Processes:

4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exemfasfsrcsnk.exe

description	ioc	process
File opened for modification	C:\Windows\notepad.exe	4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe
File opened for modification	C:\Windows\notepad.exe	mfasfsrcsnk.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 26 IoCs

Processes:

mfasfsrcsnk.exe

pid	process
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe
508	mfasfsrcsnk.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe

pid process

3188 4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exemfasfsrcsnk.exe

pid process

3188 4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe
508 mfasfsrcsnk.exe

pid	process
3188	4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe

pid	process
3188	4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe
508	mfasfsrcsnk.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe

description	pid	process	target process
PID 3188 wrote to memory of 508	3188	4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe	mfasfsrcsnk.exe
PID 3188 wrote to memory of 508	3188	4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe	mfasfsrcsnk.exe
PID 3188 wrote to memory of 508	3188	4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe	mfasfsrcsnk.exe

C:\Users\Admin\AppData\Local\Temp\4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe
"C:\Users\Admin\AppData\Local\Temp\4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492.exe"
1⤵
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3188

C:\Windows\SysWOW64\ztrace_maps\mfasfsrcsnk.exe
"C:\Windows\SysWOW64\ztrace_maps\mfasfsrcsnk.exe"
2⤵
- Executes dropped EXE
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:508

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\ztrace_maps\mfasfsrcsnk.exe

Filesize
341KB

MD5
83d8dac9d5b9137272a09108bef54457

SHA1
0134e7feeb2727030a2a8e143751490c760dd7fc

SHA256
4febaf5c3eb1938f657200df1141457d1bb34b9b67222f2e889c9785dd99e492

SHA512
a1778db56c6ca781397eba82efbe3156119b3acb2532e29f16d23b8e516b182ac1ade0c7fa70d7e4774b6d9df0e759ec560391b2d63ae9cb4948c9e63e0bb36b

Download Submit
memory/508-138-0x0000000000000000-mapping.dmp

Download
memory/508-140-0x0000000001F90000-0x0000000001FA2000-memory.dmp

Filesize
72KB

Download
memory/508-144-0x0000000001FC0000-0x0000000001FD0000-memory.dmp

Filesize
64KB

Download
memory/3188-130-0x0000000002250000-0x0000000002262000-memory.dmp

Filesize
72KB

Download
memory/3188-134-0x0000000002270000-0x0000000002280000-memory.dmp

Filesize
64KB

Download
memory/3188-137-0x0000000002240000-0x000000000224F000-memory.dmp

Filesize
60KB

Download