emotet | 4b22bf54ba75ad16bba899b373ae8fb2997fd7e5254eee08d1c04b745ddd056c

General

Target

de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe
Size

48KB
MD5

de3e5a3c72b043d9bf985622a046094e
SHA1

7a2a7878a058234fdf7860dfb8cc28b552e76360
SHA256

4b22bf54ba75ad16bba899b373ae8fb2997fd7e5254eee08d1c04b745ddd056c
SHA512

42972dfb0d565370b2e76d2f912b04a48fbfe991e3be79d906810b719c6ea58255338f9b7489c2dae312e01498023db98d3cc110aa9d8a50371f21f64fca3233
SSDEEP

384:93Zy2WcbjtDHNHLwV0wBcafjQ4XvPAhk8Sq+CTeCLjOaXkkVH16e7LWMRQjNUJcU:5Zy2PbdHZLlassqlRlXkkVoedJf+nF

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 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	lookupsystem.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	de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lookupsystem.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lookupsystem.exe

Modifies data under HKEY_USERS 21 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	lookupsystem.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	lookupsystem.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ad000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	lookupsystem.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{006B47EC-B719-4050-A3C1-B65E019F6495}\0a-40-10-da-63-d4	lookupsystem.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-40-10-da-63-d4\WpadDecisionReason = "1"	lookupsystem.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-40-10-da-63-d4\WpadDecisionTime = f09049b6ce05db01	lookupsystem.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-40-10-da-63-d4\WpadDecision = "0"	lookupsystem.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	lookupsystem.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	lookupsystem.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	lookupsystem.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	lookupsystem.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	lookupsystem.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{006B47EC-B719-4050-A3C1-B65E019F6495}\WpadDecision = "0"	lookupsystem.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	lookupsystem.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{006B47EC-B719-4050-A3C1-B65E019F6495}\WpadNetworkName = "Network 3"	lookupsystem.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0a-40-10-da-63-d4	lookupsystem.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	lookupsystem.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{006B47EC-B719-4050-A3C1-B65E019F6495}	lookupsystem.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{006B47EC-B719-4050-A3C1-B65E019F6495}\WpadDecisionReason = "1"	lookupsystem.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{006B47EC-B719-4050-A3C1-B65E019F6495}\WpadDecisionTime = f09049b6ce05db01	lookupsystem.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:"	lookupsystem.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2784	lookupsystem.exe
2784	lookupsystem.exe
2784	lookupsystem.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3028	de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 3028	2648	de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe	30
PID 2648 wrote to memory of 3028	2648	de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe	30
PID 2648 wrote to memory of 3028	2648	de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe	30
PID 2648 wrote to memory of 3028	2648	de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe	30
PID 2780 wrote to memory of 2784	2780	lookupsystem.exe	32
PID 2780 wrote to memory of 2784	2780	lookupsystem.exe	32
PID 2780 wrote to memory of 2784	2780	lookupsystem.exe	32
PID 2780 wrote to memory of 2784	2780	lookupsystem.exe	32

C:\Users\Admin\AppData\Local\Temp\de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Users\Admin\AppData\Local\Temp\de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\de3e5a3c72b043d9bf985622a046094e_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  PID:3028

C:\Windows\SysWOW64\lookupsystem.exe
C:\Windows\SysWOW64\lookupsystem.exe
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780
- C:\Windows\SysWOW64\lookupsystem.exe
  "C:\Windows\SysWOW64\lookupsystem.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2784

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/3028-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing