emotet | c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f

Analysis

max time kernel
152s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 17:28

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General

Target

c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe
Size

352KB
MD5

f3ec6b1de5f902de677abc433db676af
SHA1

51245273152265ad1b78247c46d0b8ea4e154d09
SHA256

c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f
SHA512

9f013e46993b02e09ba0c26a19fc5db9185d154218d6f8d1c04afaa1ce7ceec7b63aeb88f5921a60c460002fd60eb9bb52fd052e4da66e0a2992d6848c16f96b
SSDEEP

6144:RBf46wO7HK3Uwo5VUg+4sEjoKnun1Knun1Knun1Knun1Knun1Knun1Knun1Knunc:Tf9oWVp2WOWOWOWOWOWOWOWOWDGFoPxb

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:

policjersey.exe

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

policjersey.exe

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

policjersey.exe

pid	process
4728	policjersey.exe
4728	policjersey.exe
4728	policjersey.exe
4728	policjersey.exe
4728	policjersey.exe
4728	policjersey.exe
4728	policjersey.exe
4728	policjersey.exe
4728	policjersey.exe
4728	policjersey.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe

pid process

4764 c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe

pid	process
4764	c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exepolicjersey.exe

description	pid	process	target process
PID 1528 wrote to memory of 4764	1528	c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe	c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe
PID 1528 wrote to memory of 4764	1528	c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe	c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe
PID 1528 wrote to memory of 4764	1528	c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe	c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe
PID 4788 wrote to memory of 4728	4788	policjersey.exe	policjersey.exe
PID 4788 wrote to memory of 4728	4788	policjersey.exe	policjersey.exe
PID 4788 wrote to memory of 4728	4788	policjersey.exe	policjersey.exe

C:\Users\Admin\AppData\Local\Temp\c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe
"C:\Users\Admin\AppData\Local\Temp\c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1528

C:\Users\Admin\AppData\Local\Temp\c31b712ff3c1306d59b1a2d1d7deb622d940b3476a144436915973f14e4dc97f.exe
--9be5e651
2⤵
- Suspicious behavior: RenamesItself
PID:4764

C:\Windows\SysWOW64\policjersey.exe
"C:\Windows\SysWOW64\policjersey.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4788

C:\Windows\SysWOW64\policjersey.exe
--65b497ed
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4728

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/1528-132-0x00000000006F0000-0x000000000070B000-memory.dmp

Filesize
108KB

Download
memory/1528-134-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1528-135-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4728-140-0x0000000000000000-mapping.dmp

Download
memory/4728-142-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4728-143-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4764-133-0x0000000000000000-mapping.dmp

Download
memory/4764-136-0x00000000006B0000-0x00000000006CB000-memory.dmp

Filesize
108KB

Download
memory/4764-137-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4764-138-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/4764-141-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4788-139-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download