emotet | cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f

Analysis

max time kernel
130s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 18:09

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General

Target

cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
Size

233KB
MD5

39377e33acee3c0388c62206d6472b28
SHA1

615c5f907dc323b05fb9638366b97ddad9530ee0
SHA256

cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f
SHA512

d2e1926c349b96022f2b1eb35854cdb01ce1ab8b7c3d5cca1702b5b15be14f681557c416d4241e8f81f046c59132611dcef8b5bc4d45fded2b3d97fa601ecdb6
SSDEEP

3072:tJGbF2ny0ViOfTOp3ORLYkGQXOa+8ZpDySU7fqMvUC1XAEuwkil0WtapmOgC9RPa:+MnyK/TTZEhvUCh0iIpVRPbkZ9rVH

Score

10^/10

emotet banker trojan

Malware Config

Signatures

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

Drops file in System32 directory 4 IoCs

Processes:

indexersubs.exe

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

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

System Information Discovery
T1082

Modifies data under HKEY_USERS 3 IoCs

Processes:

indexersubs.exe

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

indexersubs.exe

pid	process
4936	indexersubs.exe
4936	indexersubs.exe
4936	indexersubs.exe
4936	indexersubs.exe
4936	indexersubs.exe
4936	indexersubs.exe
4936	indexersubs.exe
4936	indexersubs.exe
4936	indexersubs.exe
4936	indexersubs.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe

pid process

2168 cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe

pid	process
2168	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exeindexersubs.exe

description	pid	process	target process
PID 4284 wrote to memory of 2168	4284	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
PID 4284 wrote to memory of 2168	4284	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
PID 4284 wrote to memory of 2168	4284	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe	cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
PID 4540 wrote to memory of 4936	4540	indexersubs.exe	indexersubs.exe
PID 4540 wrote to memory of 4936	4540	indexersubs.exe	indexersubs.exe
PID 4540 wrote to memory of 4936	4540	indexersubs.exe	indexersubs.exe

C:\Users\Admin\AppData\Local\Temp\cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
"C:\Users\Admin\AppData\Local\Temp\cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4284

C:\Users\Admin\AppData\Local\Temp\cfe31ce714975c77b9becdd1df7dbd93e33a56c06a7688c87fd405c9db55036f.exe
--959da7ef
2⤵
- Suspicious behavior: RenamesItself
PID:2168

C:\Windows\SysWOW64\indexersubs.exe
"C:\Windows\SysWOW64\indexersubs.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4540

C:\Windows\SysWOW64\indexersubs.exe
--468d7188
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4936

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

Replay Monitor

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Downloads

memory/2168-133-0x0000000000000000-mapping.dmp

Download
memory/2168-136-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2168-138-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4284-132-0x00000000004B0000-0x00000000004CB000-memory.dmp

Filesize
108KB

Download
memory/4284-134-0x00000000004B0000-0x00000000004CB000-memory.dmp

Filesize
108KB

Download
memory/4284-135-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4936-137-0x0000000000000000-mapping.dmp

Download
memory/4936-139-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/4936-140-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download