emotet | 28ab808ac948aa01d7b63cecaa3fc631905fbafa3aa1546cd1f4343f321df5c5

General

Target

de9cf724678389e4441be836c61847bc_JaffaCakes118.exe
Size

437KB
MD5

de9cf724678389e4441be836c61847bc
SHA1

4359e2346a84476c563bd69ee471431f121e5b25
SHA256

28ab808ac948aa01d7b63cecaa3fc631905fbafa3aa1546cd1f4343f321df5c5
SHA512

13f6926fdaeb4d403d4189d6e92cdb2720f4bb2ab60681449c6d49557c3d288ae058571455611ca42fafd14bc2f7d7a07400b55f1e6a27bf6bcb42734590855b
SSDEEP

3072:Rpb5KYy7XCQW4rKMXxgT1urCd1o+RNLz1sqYaj8XJXJ92iCBWb:1FAKCxgAOXPRNLIaj8XMo

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	mfidlslide.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE	mfidlslide.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies	mfidlslide.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5	mfidlslide.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	mfidlslide.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mfidlslide.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de9cf724678389e4441be836c61847bc_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de9cf724678389e4441be836c61847bc_JaffaCakes118.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	mfidlslide.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	mfidlslide.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	mfidlslide.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1976	de9cf724678389e4441be836c61847bc_JaffaCakes118.exe
1976	de9cf724678389e4441be836c61847bc_JaffaCakes118.exe
208	de9cf724678389e4441be836c61847bc_JaffaCakes118.exe
208	de9cf724678389e4441be836c61847bc_JaffaCakes118.exe
2640	mfidlslide.exe
2640	mfidlslide.exe
2880	mfidlslide.exe
2880	mfidlslide.exe
2880	mfidlslide.exe
2880	mfidlslide.exe
2880	mfidlslide.exe
2880	mfidlslide.exe
2880	mfidlslide.exe
2880	mfidlslide.exe
2880	mfidlslide.exe
2880	mfidlslide.exe
2880	mfidlslide.exe
2880	mfidlslide.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
208	de9cf724678389e4441be836c61847bc_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 208	1976	de9cf724678389e4441be836c61847bc_JaffaCakes118.exe	87
PID 1976 wrote to memory of 208	1976	de9cf724678389e4441be836c61847bc_JaffaCakes118.exe	87
PID 1976 wrote to memory of 208	1976	de9cf724678389e4441be836c61847bc_JaffaCakes118.exe	87
PID 2640 wrote to memory of 2880	2640	mfidlslide.exe	93
PID 2640 wrote to memory of 2880	2640	mfidlslide.exe	93
PID 2640 wrote to memory of 2880	2640	mfidlslide.exe	93

C:\Users\Admin\AppData\Local\Temp\de9cf724678389e4441be836c61847bc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de9cf724678389e4441be836c61847bc_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\de9cf724678389e4441be836c61847bc_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\de9cf724678389e4441be836c61847bc_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:208

C:\Windows\SysWOW64\mfidlslide.exe
"C:\Windows\SysWOW64\mfidlslide.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2640
- C:\Windows\SysWOW64\mfidlslide.exe
  "C:\Windows\SysWOW64\mfidlslide.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2880

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

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Downloads

memory/208-9-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/208-2-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/208-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/208-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1976-1-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1976-5-0x0000000000600000-0x0000000000612000-memory.dmp

Filesize
72KB

Download
memory/1976-0-0x0000000000600000-0x0000000000612000-memory.dmp

Filesize
72KB

Download
memory/2640-7-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2640-6-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2880-8-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2880-11-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2880-13-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2880-14-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download

Analysis

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