emotet | 98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec

Analysis

max time kernel
146s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 18:15

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General

Target

98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe
Size

124KB
MD5

6d9336bb0bb7ddcf521600eb8f306159
SHA1

8cf751e0ee964dd3d0d9f718d0328cb7cd0f0d19
SHA256

98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec
SHA512

1736e6a8f08717ecb56af53c661aeaebe669f78101a9f8a925f59e566ff95e5cdc1eadae5d0564c7e439d8f72e316b92f42ff43dd7cd0ecf5525d464f445e02a
SSDEEP

3072:T/yHfMPKXed77o6Q/dEVQI3olVEsMAl+JZA3+Uq:T6exXK/2AQ

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:

bearssmall.exe

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

bearssmall.exe

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

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

bearssmall.exe

pid	process
5032	bearssmall.exe
5032	bearssmall.exe
5032	bearssmall.exe
5032	bearssmall.exe
5032	bearssmall.exe
5032	bearssmall.exe
5032	bearssmall.exe
5032	bearssmall.exe
5032	bearssmall.exe
5032	bearssmall.exe
5032	bearssmall.exe
5032	bearssmall.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe

pid process

2856 98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe

pid	process
2856	98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exebearssmall.exe

description	pid	process	target process
PID 4696 wrote to memory of 2856	4696	98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe	98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe
PID 4696 wrote to memory of 2856	4696	98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe	98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe
PID 4696 wrote to memory of 2856	4696	98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe	98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe
PID 540 wrote to memory of 5032	540	bearssmall.exe	bearssmall.exe
PID 540 wrote to memory of 5032	540	bearssmall.exe	bearssmall.exe
PID 540 wrote to memory of 5032	540	bearssmall.exe	bearssmall.exe

C:\Users\Admin\AppData\Local\Temp\98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe
"C:\Users\Admin\AppData\Local\Temp\98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4696

C:\Users\Admin\AppData\Local\Temp\98834261083b0e6af17481389d98bd7951af8acc770dbc85a30f10f9019cc1ec.exe
--1a3181ef
2⤵
- Suspicious behavior: RenamesItself
PID:2856

C:\Windows\SysWOW64\bearssmall.exe
"C:\Windows\SysWOW64\bearssmall.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:540

C:\Windows\SysWOW64\bearssmall.exe
--7d28d5a
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:5032

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/2856-132-0x0000000000000000-mapping.dmp

Download
memory/2856-135-0x0000000000420000-0x0000000000431000-memory.dmp

Filesize
68KB

Download
memory/2856-136-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2856-138-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4696-134-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4696-133-0x0000000000490000-0x00000000004A1000-memory.dmp

Filesize
68KB

Download
memory/5032-137-0x0000000000000000-mapping.dmp

Download
memory/5032-139-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/5032-140-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download