emotet | 486ede4ecff9a951261af3d267072bf75a37e7812afd91dc4c30bf5535dede8b

Resubmissions

07/02/2023, 22:17

230207-17se8sfc8110

31/01/2023, 05:42

230131-gd4rmagd9t10

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
07/02/2023, 22:17

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General

Target
2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
Size 157KB
Sample230207-17se8sfc81
SHA256 486ede4ecff9a951261af3d267072bf75a37e7812afd91dc4c30bf5535dede8b
MD5 d05d59b36d76a2d919d73e5383f0b35b
SHA1 bdd29b90d93e3bd85b2e0291e3601a45b0c8e33c
SHA512 74efa7b921beda7eff6c56ccd43eef44d4e1ec19e6bb76ccb08e879b2e491a7fffbf176b095244a73181098583d925d56f44fc9cb41c73b67c43a85224f04fc2
SSDEEP 3072:paROF9HwBJa2vMjrmok3XxK6T9f5pNF/NB+GQIiqGgyVcU4TZP8eIn:l9wBJa2EmvXxKy9FJjQIi1gyR/
MD5 SHA1 SHA512 SSDEEP

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	reprelated.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	reprelated.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	reprelated.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	reprelated.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	reprelated.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	reprelated.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	reprelated.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4596	reprelated.exe
4596	reprelated.exe
4596	reprelated.exe
4596	reprelated.exe
4596	reprelated.exe
4596	reprelated.exe
4596	reprelated.exe
4596	reprelated.exe
4596	reprelated.exe
4596	reprelated.exe
4596	reprelated.exe
4596	reprelated.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2124	2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 2124	996	2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe	84
PID 996 wrote to memory of 2124	996	2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe	84
PID 996 wrote to memory of 2124	996	2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe	84
PID 3200 wrote to memory of 4596	3200	reprelated.exe	86
PID 3200 wrote to memory of 4596	3200	reprelated.exe	86
PID 3200 wrote to memory of 4596	3200	reprelated.exe	86

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:996
- C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
  --53146567
  2⤵
  - Suspicious behavior: RenamesItself
  PID:2124

C:\Windows\SysWOW64\reprelated.exe
"C:\Windows\SysWOW64\reprelated.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3200
- C:\Windows\SysWOW64\reprelated.exe
  --1c146e0
  2⤵
  - Drops file in System32 directory
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:4596

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/996-132-0x00000000004A0000-0x00000000004B1000-memory.dmp

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memory/996-134-0x00000000004A0000-0x00000000004B1000-memory.dmp

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memory/996-135-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/2124-136-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/2124-138-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4596-139-0x0000000000400000-0x0000000000429000-memory.dmp

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memory/4596-140-0x0000000000400000-0x0000000000429000-memory.dmp

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