emotet | c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f

Analysis

max time kernel
154s
max time network
161s
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 18:10

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General

Target

c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe
Size

200KB
MD5

6e0b206d5e0e09d9d00aa10114b36762
SHA1

0b89efa960d9821a5d9c099a70f20026dac7f4d3
SHA256

c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f
SHA512

0ebc4cc645991e9de2bb2529e653576b9dacb52ab3de75ab6204d17b8bfe0ba71f9e68ac7d7e94e6eda8ebbf5d82e148a27822802bfc920414a519ced174c462
SSDEEP

3072:pzFOHxuruFoDz9juZztcow/AYtHrYYeMcO3x403x0bISF5BvXC50hBLkXq0WlXLc:UFoNuHetFZcOh403x0VFjLkXyLXux

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:

enrollserv.exe

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

enrollserv.exe

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

enrollserv.exe

pid	process
4492	enrollserv.exe
4492	enrollserv.exe
4492	enrollserv.exe
4492	enrollserv.exe
4492	enrollserv.exe
4492	enrollserv.exe
4492	enrollserv.exe
4492	enrollserv.exe
4492	enrollserv.exe
4492	enrollserv.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe

pid process

4724 c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe

pid	process
4724	c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exeenrollserv.exe

description	pid	process	target process
PID 4340 wrote to memory of 4724	4340	c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe	c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe
PID 4340 wrote to memory of 4724	4340	c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe	c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe
PID 4340 wrote to memory of 4724	4340	c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe	c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe
PID 2592 wrote to memory of 4492	2592	enrollserv.exe	enrollserv.exe
PID 2592 wrote to memory of 4492	2592	enrollserv.exe	enrollserv.exe
PID 2592 wrote to memory of 4492	2592	enrollserv.exe	enrollserv.exe

C:\Users\Admin\AppData\Local\Temp\c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe
"C:\Users\Admin\AppData\Local\Temp\c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4340

C:\Users\Admin\AppData\Local\Temp\c9abbd69d60cfa6422f496757685f84a27ffa2803ac7e344234f87b48797e90f.exe
--496ae34b
2⤵
- Suspicious behavior: RenamesItself
PID:4724

C:\Windows\SysWOW64\enrollserv.exe
"C:\Windows\SysWOW64\enrollserv.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2592

C:\Windows\SysWOW64\enrollserv.exe
--f36eb28e
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4492

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/4340-132-0x00000000004B0000-0x00000000004CB000-memory.dmp

Filesize
108KB

Download
memory/4340-135-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4340-134-0x00000000004B0000-0x00000000004CB000-memory.dmp

Filesize
108KB

Download
memory/4492-137-0x0000000000000000-mapping.dmp

Download
memory/4492-139-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4492-140-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4724-133-0x0000000000000000-mapping.dmp

Download
memory/4724-136-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4724-138-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download