emotet | 53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d

Analysis

max time kernel
147s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 18:22

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General

Target

53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe
Size

200KB
MD5

01c52eac89af6c91a194395246820553
SHA1

0b296454a3b03b467dd07231e00bccf9827ebc82
SHA256

53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d
SHA512

3489cd8d614e9120b5096966af8b274cb8769139dbe88e517eb672ac474a9ff48b1bbf68f5236c353cb4e3f5cd0d3a76fd809d8786b6ef197f201330430da96d
SSDEEP

3072:HzFOHxuruFoDz9juZztcow/AYtHrYYeMcO3x403x0bISF5BvXC50hBLkXq0WlXLf:iFoNuHetFZcOh403x0VFjLkXyLXua

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:

definewab.exe

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

definewab.exe

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

definewab.exe

pid	process
4924	definewab.exe
4924	definewab.exe
4924	definewab.exe
4924	definewab.exe
4924	definewab.exe
4924	definewab.exe
4924	definewab.exe
4924	definewab.exe
4924	definewab.exe
4924	definewab.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe

pid process

5000 53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe

pid	process
5000	53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exedefinewab.exe

description	pid	process	target process
PID 3272 wrote to memory of 5000	3272	53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe	53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe
PID 3272 wrote to memory of 5000	3272	53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe	53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe
PID 3272 wrote to memory of 5000	3272	53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe	53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe
PID 4472 wrote to memory of 4924	4472	definewab.exe	definewab.exe
PID 4472 wrote to memory of 4924	4472	definewab.exe	definewab.exe
PID 4472 wrote to memory of 4924	4472	definewab.exe	definewab.exe

C:\Users\Admin\AppData\Local\Temp\53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe
"C:\Users\Admin\AppData\Local\Temp\53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3272

C:\Users\Admin\AppData\Local\Temp\53c81cfef26148d7ecd4d1834e7b52115c00b228e610763ef5d00b1946b2c83d.exe
--a2fb4f47
2⤵
- Suspicious behavior: RenamesItself
PID:5000

C:\Windows\SysWOW64\definewab.exe
"C:\Windows\SysWOW64\definewab.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4472

C:\Windows\SysWOW64\definewab.exe
--5aec46b3
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4924

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/3272-132-0x0000000002180000-0x000000000219B000-memory.dmp

Filesize
108KB

Download
memory/3272-133-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/3272-135-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4924-138-0x0000000000000000-mapping.dmp

Download
memory/4924-140-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4924-141-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/5000-134-0x0000000000000000-mapping.dmp

Download
memory/5000-136-0x0000000002040000-0x000000000205B000-memory.dmp

Filesize
108KB

Download
memory/5000-137-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/5000-139-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download