emotet | 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2

Analysis

max time kernel
137s
max time network
146s
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 18:25

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General

Target

3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe
Size

183KB
MD5

0f3ae9c6621bf35b97f0804ef9f32fe9
SHA1

a9da4b6ff88d009663286907716f63416812345f
SHA256

3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2
SHA512

8ff4b98b69dfe75c467f2edb24bab68317eb6757f43aaeccff26ca9e06fc5e5a2a04d5a17412e9de834bb35108e5cccc4f5eff8e8bb4b4f9ad200c8ee1a6a853
SSDEEP

3072:vV+PrAn3UAwpBFPbSbl8ZVcuGdrpWoWxiKJOXx2Q0mIOH0ZPvfdONt7T0Wf6B56l:GME7pTOMkJqiK4Bfc3MNZUPWrp

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:

indexermfidl.exe

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

indexermfidl.exe

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

indexermfidl.exe

pid	process
4696	indexermfidl.exe
4696	indexermfidl.exe
4696	indexermfidl.exe
4696	indexermfidl.exe
4696	indexermfidl.exe
4696	indexermfidl.exe
4696	indexermfidl.exe
4696	indexermfidl.exe
4696	indexermfidl.exe
4696	indexermfidl.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe

pid process

3836 3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe

pid	process
3836	3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exeindexermfidl.exe

description	pid	process	target process
PID 5048 wrote to memory of 3836	5048	3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe	3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe
PID 5048 wrote to memory of 3836	5048	3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe	3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe
PID 5048 wrote to memory of 3836	5048	3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe	3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe
PID 5080 wrote to memory of 4696	5080	indexermfidl.exe	indexermfidl.exe
PID 5080 wrote to memory of 4696	5080	indexermfidl.exe	indexermfidl.exe
PID 5080 wrote to memory of 4696	5080	indexermfidl.exe	indexermfidl.exe

C:\Users\Admin\AppData\Local\Temp\3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe
"C:\Users\Admin\AppData\Local\Temp\3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5048

C:\Users\Admin\AppData\Local\Temp\3bc69b190045f1154faa06ca1af63bfe9cbfbf8dc9c5629e67ed25b33589e7f2.exe
--d86446ce
2⤵
- Suspicious behavior: RenamesItself
PID:3836

C:\Windows\SysWOW64\indexermfidl.exe
"C:\Windows\SysWOW64\indexermfidl.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:5080

C:\Windows\SysWOW64\indexermfidl.exe
--4745eccb
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4696

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/3836-133-0x0000000000000000-mapping.dmp

Download
memory/3836-136-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/3836-138-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4696-137-0x0000000000000000-mapping.dmp

Download
memory/4696-139-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/4696-140-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/5048-132-0x00000000006D0000-0x00000000006EB000-memory.dmp

Filesize
108KB

Download
memory/5048-134-0x00000000006D0000-0x00000000006EB000-memory.dmp

Filesize
108KB

Download
memory/5048-135-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download