emotet | 803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b

Analysis

max time kernel
156s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20220722-en
resource tags

arch:x64arch:x86image:win10v2004-20220722-enlocale:en-usos:windows10-2004-x64system
submitted
24-07-2022 19:28

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General

Target

803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe
Size

172KB
MD5

49c734a62dc12d8120ec812ddee36651
SHA1

b60ad1de3c6d477d3fa3d601efb9e751d20394e4
SHA256

803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b
SHA512

0e529828ab1e66e7bae8602b5536a19dff1c0397bda394188eafb16582f1886932ad51df8b4f748083c57c075890324c67cc1ac9678a6f6d340a641753872ccb

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:

sourcecomment.exe

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

sourcecomment.exe

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

sourcecomment.exe

pid process

4628 sourcecomment.exe
4628 sourcecomment.exe
4628 sourcecomment.exe
4628 sourcecomment.exe
4628 sourcecomment.exe
4628 sourcecomment.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe

pid process

4856 803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe

pid	process
4628	sourcecomment.exe
4628	sourcecomment.exe
4628	sourcecomment.exe
4628	sourcecomment.exe
4628	sourcecomment.exe
4628	sourcecomment.exe

pid	process
4856	803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exesourcecomment.exe

description	pid	process	target process
PID 4280 wrote to memory of 4856	4280	803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe	803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe
PID 4280 wrote to memory of 4856	4280	803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe	803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe
PID 4280 wrote to memory of 4856	4280	803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe	803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe
PID 4848 wrote to memory of 4628	4848	sourcecomment.exe	sourcecomment.exe
PID 4848 wrote to memory of 4628	4848	sourcecomment.exe	sourcecomment.exe
PID 4848 wrote to memory of 4628	4848	sourcecomment.exe	sourcecomment.exe

C:\Users\Admin\AppData\Local\Temp\803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe
"C:\Users\Admin\AppData\Local\Temp\803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4280

C:\Users\Admin\AppData\Local\Temp\803b3c8668187a1570015c980639840de722f736ad60bc6de5afd3a1d011c00b.exe
--1d9a1704
2⤵
- Suspicious behavior: RenamesItself
PID:4856

C:\Windows\SysWOW64\sourcecomment.exe
"C:\Windows\SysWOW64\sourcecomment.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4848

C:\Windows\SysWOW64\sourcecomment.exe
--c204931a
2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
PID:4628

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/4280-132-0x00000000005E0000-0x00000000005F1000-memory.dmp

Filesize
68KB

Download
memory/4280-133-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4280-135-0x00000000005E0000-0x00000000005F1000-memory.dmp

Filesize
68KB

Download
memory/4280-136-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4628-140-0x0000000000000000-mapping.dmp

Download
memory/4628-142-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4628-143-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4848-139-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4856-134-0x0000000000000000-mapping.dmp

Download
memory/4856-137-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4856-138-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4856-141-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download