emotet | 87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1

Analysis

max time kernel
160s
max time network
163s
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 18:17

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General

Target

87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe
Size

233KB
MD5

3263f80278229cf29db60e2f6fbbaed1
SHA1

aa14372e4e14a7d3bc6f24a03095677ee380b023
SHA256

87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1
SHA512

8b49ff8489c2ce6d5794552a10b17511589fb9b62929887c056f4f733b48484f49e0b6bcd40093b2ca125760d80927f7c963f3ac13358be40763d755c05f44da
SSDEEP

3072:tZoGbF2ny0ViOfTOp3ORLYkGQXOa+8ZpDySU7fqMvvXAEuwfb30WtaImOgC9RPbl:pMnyK/TTZEhvfjqIVRPbkZ9rVW9

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:

wfpsubs.exe

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

wfpsubs.exe

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

wfpsubs.exe

pid	process
4980	wfpsubs.exe
4980	wfpsubs.exe
4980	wfpsubs.exe
4980	wfpsubs.exe
4980	wfpsubs.exe
4980	wfpsubs.exe
4980	wfpsubs.exe
4980	wfpsubs.exe
4980	wfpsubs.exe
4980	wfpsubs.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe

pid process

2268 87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe

pid	process
2268	87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exewfpsubs.exe

description	pid	process	target process
PID 4248 wrote to memory of 2268	4248	87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe	87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe
PID 4248 wrote to memory of 2268	4248	87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe	87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe
PID 4248 wrote to memory of 2268	4248	87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe	87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe
PID 5040 wrote to memory of 4980	5040	wfpsubs.exe	wfpsubs.exe
PID 5040 wrote to memory of 4980	5040	wfpsubs.exe	wfpsubs.exe
PID 5040 wrote to memory of 4980	5040	wfpsubs.exe	wfpsubs.exe

C:\Users\Admin\AppData\Local\Temp\87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe
"C:\Users\Admin\AppData\Local\Temp\87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4248

C:\Users\Admin\AppData\Local\Temp\87ea179eb98b8e8ff2616414b520afe39a3a53349ddedf6811d3396c23c71dd1.exe
--fbc09ad5
2⤵
- Suspicious behavior: RenamesItself
PID:2268

C:\Windows\SysWOW64\wfpsubs.exe
"C:\Windows\SysWOW64\wfpsubs.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5040

C:\Windows\SysWOW64\wfpsubs.exe
--f3589c8a
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4980

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/2268-132-0x0000000000000000-mapping.dmp

Download
memory/2268-135-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2268-138-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4248-134-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4248-133-0x0000000000500000-0x000000000051B000-memory.dmp

Filesize
108KB

Download
memory/4248-139-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4980-136-0x0000000000000000-mapping.dmp

Download
memory/4980-140-0x0000000000D00000-0x0000000000D1B000-memory.dmp

Filesize
108KB

Download
memory/4980-141-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4980-142-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/5040-137-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download