emotet | 6c0a31b06c2aaf65bb7805638c82b77c0705c28be7596a7efd6a6d1e8fc32683

General

Target

da02ed3a1e946818225e9f860f1518a5_JaffaCakes118.exe
Size

206KB
MD5

da02ed3a1e946818225e9f860f1518a5
SHA1

bc0668e8b648d01a77279156cec824084d9f6a87
SHA256

6c0a31b06c2aaf65bb7805638c82b77c0705c28be7596a7efd6a6d1e8fc32683
SHA512

ec4a1d7a33a3c63c516a3969532bb25c36a951b9e0655704fb4c63ddd8687431afa4f54f9580c99740e047813e87d68493817f5758d9bfa16aafe4b2f41391b3
SSDEEP

3072:YtK8sN3+yM6f0tH5KWR8iIKyVppK3kQIzcBi0Wf6XZxiCcWMKj1NPje/:Yo5MyStjRDybMkQxlXZx+bG1Na

Score

10^/10

emotet banker discovery 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	thunkmenus.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	thunkmenus.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	thunkmenus.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	thunkmenus.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da02ed3a1e946818225e9f860f1518a5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da02ed3a1e946818225e9f860f1518a5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	thunkmenus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	thunkmenus.exe

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
5092	thunkmenus.exe
5092	thunkmenus.exe
5092	thunkmenus.exe
5092	thunkmenus.exe
5092	thunkmenus.exe
5092	thunkmenus.exe
5092	thunkmenus.exe
5092	thunkmenus.exe
5092	thunkmenus.exe
5092	thunkmenus.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3940	da02ed3a1e946818225e9f860f1518a5_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1856 wrote to memory of 3940	1856	da02ed3a1e946818225e9f860f1518a5_JaffaCakes118.exe	86
PID 1856 wrote to memory of 3940	1856	da02ed3a1e946818225e9f860f1518a5_JaffaCakes118.exe	86
PID 1856 wrote to memory of 3940	1856	da02ed3a1e946818225e9f860f1518a5_JaffaCakes118.exe	86
PID 4732 wrote to memory of 5092	4732	thunkmenus.exe	95
PID 4732 wrote to memory of 5092	4732	thunkmenus.exe	95
PID 4732 wrote to memory of 5092	4732	thunkmenus.exe	95

C:\Users\Admin\AppData\Local\Temp\da02ed3a1e946818225e9f860f1518a5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\da02ed3a1e946818225e9f860f1518a5_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1856
- C:\Users\Admin\AppData\Local\Temp\da02ed3a1e946818225e9f860f1518a5_JaffaCakes118.exe
  --cc79260
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:3940

C:\Windows\SysWOW64\thunkmenus.exe
"C:\Windows\SysWOW64\thunkmenus.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Windows\SysWOW64\thunkmenus.exe
  --d387ac88
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:5092

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1856-0-0x0000000002050000-0x000000000206B000-memory.dmp

Filesize
108KB

Download
memory/1856-1-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1856-3-0x0000000002050000-0x000000000206B000-memory.dmp

Filesize
108KB

Download
memory/3940-4-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3940-5-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3940-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4732-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4732-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/5092-11-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/5092-12-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/5092-13-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/5092-15-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing