emotet | c396aa4194907adb73d8d4d8e59793917ef1139cb0929c086229f6345ed8b09d

General

Target

ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe
Size

140KB
MD5

ec17de6cc3039e47ec29c013fb2dbc81
SHA1

2d9806c426d9661340a738288a6503c7ba3b14c0
SHA256

c396aa4194907adb73d8d4d8e59793917ef1139cb0929c086229f6345ed8b09d
SHA512

e13cb1238256d9a5ae65d4544929ea76af47ed97ce371fd56b0faa3f5e0dc816f36b4bf4351b184098a53e47d45ae6558afa157df6f56a3282675ac70350bd44
SSDEEP

3072:/3IAGphNo+LXKdujI9sqvphO7jqYkXLASMhl9fBoAdoyK:/YjpfPXKdEqxY7dJRLoy

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	reswmapi.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	ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reswmapi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reswmapi.exe

Modifies data under HKEY_USERS 19 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	reswmapi.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00ba000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	reswmapi.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}	reswmapi.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}\WpadDecisionTime = b086599bce0adb01	reswmapi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	reswmapi.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	reswmapi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	reswmapi.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	reswmapi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}\WpadNetworkName = "Network 3"	reswmapi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-12-fd-6f-04-ae\WpadDecision = "0"	reswmapi.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	reswmapi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-12-fd-6f-04-ae\WpadDecisionReason = "1"	reswmapi.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-12-fd-6f-04-ae\WpadDecisionTime = b086599bce0adb01	reswmapi.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-12-fd-6f-04-ae\WpadDetectedUrl	reswmapi.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	reswmapi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}\WpadDecisionReason = "1"	reswmapi.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\9a-12-fd-6f-04-ae	reswmapi.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}\9a-12-fd-6f-04-ae	reswmapi.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7FCF7EAE-89CE-48B9-895D-717E8F5ACF29}\WpadDecision = "0"	reswmapi.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1628	ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe
2748	ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe
2392	reswmapi.exe
2876	reswmapi.exe
2876	reswmapi.exe
2876	reswmapi.exe
2876	reswmapi.exe
2876	reswmapi.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2748	ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2748	1628	ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe	30
PID 1628 wrote to memory of 2748	1628	ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe	30
PID 1628 wrote to memory of 2748	1628	ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe	30
PID 1628 wrote to memory of 2748	1628	ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe	30
PID 2392 wrote to memory of 2876	2392	reswmapi.exe	32
PID 2392 wrote to memory of 2876	2392	reswmapi.exe	32
PID 2392 wrote to memory of 2876	2392	reswmapi.exe	32
PID 2392 wrote to memory of 2876	2392	reswmapi.exe	32

C:\Users\Admin\AppData\Local\Temp\ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\ec17de6cc3039e47ec29c013fb2dbc81_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:2748

C:\Windows\SysWOW64\reswmapi.exe
"C:\Windows\SysWOW64\reswmapi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\reswmapi.exe
  "C:\Windows\SysWOW64\reswmapi.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2876

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/1628-5-0x0000000000340000-0x0000000000358000-memory.dmp

Filesize
96KB

Download
memory/1628-4-0x00000000000B0000-0x00000000000CA000-memory.dmp

Filesize
104KB

Download
memory/1628-0-0x0000000000290000-0x00000000002AA000-memory.dmp

Filesize
104KB

Download
memory/2392-12-0x00000000001C0000-0x00000000001DA000-memory.dmp

Filesize
104KB

Download
memory/2392-16-0x00000000001A0000-0x00000000001BA000-memory.dmp

Filesize
104KB

Download
memory/2392-17-0x0000000000310000-0x0000000000328000-memory.dmp

Filesize
96KB

Download
memory/2748-6-0x0000000000290000-0x00000000002AA000-memory.dmp

Filesize
104KB

Download
memory/2748-11-0x00000000002B0000-0x00000000002C8000-memory.dmp

Filesize
96KB

Download
memory/2748-10-0x0000000000170000-0x000000000018A000-memory.dmp

Filesize
104KB

Download
memory/2748-24-0x00000000012B0000-0x00000000012D4000-memory.dmp

Filesize
144KB

Download
memory/2748-25-0x0000000000170000-0x000000000018A000-memory.dmp

Filesize
104KB

Download
memory/2876-18-0x00000000001F0000-0x000000000020A000-memory.dmp

Filesize
104KB

Download
memory/2876-19-0x0000000000210000-0x000000000022A000-memory.dmp

Filesize
104KB

Download
memory/2876-23-0x0000000000230000-0x0000000000248000-memory.dmp

Filesize
96KB

Download
memory/2876-26-0x00000000001F0000-0x000000000020A000-memory.dmp

Filesize
104KB

Download

Analysis

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