emotet | 6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905

Analysis

max time kernel
139s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2022 03:36

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General

Target

6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe
Size

65KB
MD5

91e8195bd71c046a45f994b786e257a7
SHA1

6b9f8e04de0a349a65773c19c15a727eaa5b5244
SHA256

6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905
SHA512

98ea3dad053159b2a01de9724a55bfa58b5d844a9e8e1484e7eaa492a13c05ebf6824f184c988b3a52180a912d34685a418ec7a05efa81739c7941d63c677cb1

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:

grouppublish.exe

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

grouppublish.exe

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

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

grouppublish.exe

pid	process
4752	grouppublish.exe
4752	grouppublish.exe
4752	grouppublish.exe
4752	grouppublish.exe
4752	grouppublish.exe
4752	grouppublish.exe
4752	grouppublish.exe
4752	grouppublish.exe
4752	grouppublish.exe
4752	grouppublish.exe
4752	grouppublish.exe
4752	grouppublish.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe

pid process

4396 6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe

pid	process
4396	6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exegrouppublish.exe

description	pid	process	target process
PID 2264 wrote to memory of 4396	2264	6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe	6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe
PID 2264 wrote to memory of 4396	2264	6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe	6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe
PID 2264 wrote to memory of 4396	2264	6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe	6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe
PID 4736 wrote to memory of 4752	4736	grouppublish.exe	grouppublish.exe
PID 4736 wrote to memory of 4752	4736	grouppublish.exe	grouppublish.exe
PID 4736 wrote to memory of 4752	4736	grouppublish.exe	grouppublish.exe

C:\Users\Admin\AppData\Local\Temp\6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe
"C:\Users\Admin\AppData\Local\Temp\6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2264

C:\Users\Admin\AppData\Local\Temp\6e8c0a21a723bf61fe5fd90005b4f38b61e8390341d34c51154d4861e4043905.exe
--e56fb756
2⤵
- Suspicious behavior: RenamesItself
PID:4396

C:\Windows\SysWOW64\grouppublish.exe
"C:\Windows\SysWOW64\grouppublish.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4736

C:\Windows\SysWOW64\grouppublish.exe
--340ec782
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4752

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/4396-130-0x0000000000000000-mapping.dmp

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memory/4752-131-0x0000000000000000-mapping.dmp

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