emotet | 4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6

General

Target

4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe
Size

496KB
MD5

1e47a80f9e077c1f08fc49d35883b5d9
SHA1

8b40a8b811ea2d18c6ac5caf6151b3f7ac8eeebd
SHA256

4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6
SHA512

442f9558e1bec6a817d5d4735aedde62d953877b40e49d1ed04df6a9792aaa57c10e1ca41be468f8dbf8f71b6393d82778a155053eb1a47253043e3f20db65fe

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

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

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

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
4232	4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe
4232	4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe
4172	4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe
4172	4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe
4660	wfpbuild.exe
4660	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe
964	wfpbuild.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4172	4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4232 wrote to memory of 4172	4232	4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe	75
PID 4232 wrote to memory of 4172	4232	4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe	75
PID 4232 wrote to memory of 4172	4232	4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe	75
PID 4660 wrote to memory of 964	4660	wfpbuild.exe	77
PID 4660 wrote to memory of 964	4660	wfpbuild.exe	77
PID 4660 wrote to memory of 964	4660	wfpbuild.exe	77

C:\Users\Admin\AppData\Local\Temp\4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe
"C:\Users\Admin\AppData\Local\Temp\4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4232
- C:\Users\Admin\AppData\Local\Temp\4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe
  "C:\Users\Admin\AppData\Local\Temp\4f4991b4f399f131961bd10d1a105cc8081c220777c52e13790707d9b6cefaa6.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:4172

C:\Windows\SysWOW64\wfpbuild.exe
"C:\Windows\SysWOW64\wfpbuild.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Windows\SysWOW64\wfpbuild.exe
  "C:\Windows\SysWOW64\wfpbuild.exe"
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/964-161-0x0000000000700000-0x0000000000717000-memory.dmp

Filesize
92KB

Download
memory/964-160-0x0000000000750000-0x0000000000760000-memory.dmp

Filesize
64KB

Download
memory/964-159-0x0000000000700000-0x0000000000717000-memory.dmp

Filesize
92KB

Download
memory/4172-144-0x0000000000750000-0x0000000000760000-memory.dmp

Filesize
64KB

Download
memory/4172-158-0x00000000006F0000-0x0000000000707000-memory.dmp

Filesize
92KB

Download
memory/4172-143-0x00000000006F0000-0x0000000000707000-memory.dmp

Filesize
92KB

Download
memory/4172-136-0x0000000000730000-0x0000000000747000-memory.dmp

Filesize
92KB

Download
memory/4172-140-0x0000000000730000-0x0000000000747000-memory.dmp

Filesize
92KB

Download
memory/4232-141-0x0000000000660000-0x0000000000677000-memory.dmp

Filesize
92KB

Download
memory/4232-130-0x0000000000680000-0x0000000000697000-memory.dmp

Filesize
92KB

Download
memory/4232-142-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download
memory/4232-134-0x0000000000680000-0x0000000000697000-memory.dmp

Filesize
92KB

Download
memory/4660-149-0x0000000000620000-0x0000000000637000-memory.dmp

Filesize
92KB

Download
memory/4660-145-0x0000000000620000-0x0000000000637000-memory.dmp

Filesize
92KB

Download
memory/4660-156-0x0000000000510000-0x0000000000527000-memory.dmp

Filesize
92KB

Download
memory/4660-157-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download

Analysis

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