emotet | 8b8416fae1cc885453fca2fc5c75576c1a847f0e777845f531ef9e5a7c990e2f

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 06:30

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General

Target

191efde5fff866d11803668bece19481_JaffaCakes118.exe
Size

136KB
MD5

191efde5fff866d11803668bece19481
SHA1

39550c87cfb8a6ebda74bf1af1e7aba1171e1e03
SHA256

8b8416fae1cc885453fca2fc5c75576c1a847f0e777845f531ef9e5a7c990e2f
SHA512

a88aa1137d2be585e05274a9162c5ba0ffb4b8e88f95bbeb2393a6c5abdc350283270562954a5757b145641e6398bbf6150ec78422504ed99bd0bbb7799bbb54
SSDEEP

3072:csTW661letEoocz4plCCCfqBz+Co5wJSg:csTa6EooXCCCfqBz+Cu

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:

commentsource.exe

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

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 3 IoCs

Processes:

commentsource.exe

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

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

commentsource.exe

pid	process
2324	commentsource.exe
2324	commentsource.exe
2324	commentsource.exe
2324	commentsource.exe
2324	commentsource.exe
2324	commentsource.exe
2324	commentsource.exe
2324	commentsource.exe
2324	commentsource.exe
2324	commentsource.exe
2324	commentsource.exe
2324	commentsource.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

191efde5fff866d11803668bece19481_JaffaCakes118.exe

pid process

1508 191efde5fff866d11803668bece19481_JaffaCakes118.exe

pid	process
1508	191efde5fff866d11803668bece19481_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

191efde5fff866d11803668bece19481_JaffaCakes118.execommentsource.exe

description	pid	process	target process
PID 3500 wrote to memory of 1508	3500	191efde5fff866d11803668bece19481_JaffaCakes118.exe	191efde5fff866d11803668bece19481_JaffaCakes118.exe
PID 3500 wrote to memory of 1508	3500	191efde5fff866d11803668bece19481_JaffaCakes118.exe	191efde5fff866d11803668bece19481_JaffaCakes118.exe
PID 3500 wrote to memory of 1508	3500	191efde5fff866d11803668bece19481_JaffaCakes118.exe	191efde5fff866d11803668bece19481_JaffaCakes118.exe
PID 3876 wrote to memory of 2324	3876	commentsource.exe	commentsource.exe
PID 3876 wrote to memory of 2324	3876	commentsource.exe	commentsource.exe
PID 3876 wrote to memory of 2324	3876	commentsource.exe	commentsource.exe

C:\Users\Admin\AppData\Local\Temp\191efde5fff866d11803668bece19481_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\191efde5fff866d11803668bece19481_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3500

C:\Users\Admin\AppData\Local\Temp\191efde5fff866d11803668bece19481_JaffaCakes118.exe
--46b75e7
2⤵
- Suspicious behavior: RenamesItself
PID:1508

C:\Windows\SysWOW64\commentsource.exe
"C:\Windows\SysWOW64\commentsource.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3876

C:\Windows\SysWOW64\commentsource.exe
--608537d0
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:2324

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1508-5-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1508-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2324-11-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2324-12-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2324-15-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2324-16-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3500-0-0x0000000000590000-0x00000000005A1000-memory.dmp

Filesize
68KB

Download
memory/3500-4-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3500-3-0x0000000000590000-0x00000000005A1000-memory.dmp

Filesize
68KB

Download
memory/3876-6-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download