emotet | d82767751280c173d75b7eac6591bcff4ee4e3e03a683cf6436635a873299daa

General

Target

c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe
Size

172KB
MD5

c3d04a3a5520a2f58516c2f0acbd4055
SHA1

f97acd5a5384d81f003d382b5c3a5ac448a9bb62
SHA256

d82767751280c173d75b7eac6591bcff4ee4e3e03a683cf6436635a873299daa
SHA512

fd5bfb01b5f5c6d857620797ed4add60869ee662dcb5aaf721e3ee1a1fee01fcad08fd4b4b2eaa6dc626d6ac0438033f30d5affde3f12b159fdffe4bca5e41fd
SSDEEP

3072:MPeixiCnRhtmmLIIIIII3wfIGcv4IIIyDIIIIIIInoIJaFppgcVWC3hV2bq6hJ40:3ixrvmmLIIIIII3wfIGcv4IIICIIIIIK

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	mfidlmfidl.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	c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mfidlmfidl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mfidlmfidl.exe

Modifies data under HKEY_USERS 19 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-f8-31-4f-dd-69\WpadDecisionReason = "1"	mfidlmfidl.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	mfidlmfidl.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}\WpadDecisionTime = 806db118fbf7da01	mfidlmfidl.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}\WpadNetworkName = "Network 3"	mfidlmfidl.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}\WpadDecision = "0"	mfidlmfidl.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-f8-31-4f-dd-69	mfidlmfidl.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-f8-31-4f-dd-69\WpadDecision = "0"	mfidlmfidl.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-f8-31-4f-dd-69\WpadDetectedUrl	mfidlmfidl.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mfidlmfidl.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0120000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mfidlmfidl.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}	mfidlmfidl.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}\3a-f8-31-4f-dd-69	mfidlmfidl.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\3a-f8-31-4f-dd-69\WpadDecisionTime = 806db118fbf7da01	mfidlmfidl.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	mfidlmfidl.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	mfidlmfidl.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{308F1C2A-EC49-4C7C-9C15-20B03C7C5970}\WpadDecisionReason = "1"	mfidlmfidl.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	mfidlmfidl.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	mfidlmfidl.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	mfidlmfidl.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2584	c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe
2380	c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe
2316	mfidlmfidl.exe
2760	mfidlmfidl.exe
2760	mfidlmfidl.exe
2760	mfidlmfidl.exe
2760	mfidlmfidl.exe
2760	mfidlmfidl.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2380	c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 2380	2584	c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe	30
PID 2584 wrote to memory of 2380	2584	c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe	30
PID 2584 wrote to memory of 2380	2584	c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe	30
PID 2584 wrote to memory of 2380	2584	c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe	30
PID 2316 wrote to memory of 2760	2316	mfidlmfidl.exe	32
PID 2316 wrote to memory of 2760	2316	mfidlmfidl.exe	32
PID 2316 wrote to memory of 2760	2316	mfidlmfidl.exe	32
PID 2316 wrote to memory of 2760	2316	mfidlmfidl.exe	32

C:\Users\Admin\AppData\Local\Temp\c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2584
- C:\Users\Admin\AppData\Local\Temp\c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\c3d04a3a5520a2f58516c2f0acbd4055_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  PID:2380

C:\Windows\SysWOW64\mfidlmfidl.exe
"C:\Windows\SysWOW64\mfidlmfidl.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Windows\SysWOW64\mfidlmfidl.exe
  "C:\Windows\SysWOW64\mfidlmfidl.exe"
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Modifies data under HKEY_USERS
  - Suspicious behavior: EnumeratesProcesses
  PID:2760

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/2316-28-0x0000000000430000-0x000000000044A000-memory.dmp

Filesize
104KB

Download
memory/2316-20-0x0000000000470000-0x0000000000490000-memory.dmp

Filesize
128KB

Download
memory/2316-14-0x0000000000430000-0x000000000044A000-memory.dmp

Filesize
104KB

Download
memory/2316-15-0x0000000000450000-0x000000000046A000-memory.dmp

Filesize
104KB

Download
memory/2316-19-0x0000000000450000-0x000000000046A000-memory.dmp

Filesize
104KB

Download
memory/2380-30-0x0000000000280000-0x000000000029A000-memory.dmp

Filesize
104KB

Download
memory/2380-5-0x00000000002A0000-0x00000000002BA000-memory.dmp

Filesize
104KB

Download
memory/2380-12-0x0000000000280000-0x000000000029A000-memory.dmp

Filesize
104KB

Download
memory/2380-13-0x00000000003D0000-0x00000000003F0000-memory.dmp

Filesize
128KB

Download
memory/2380-9-0x00000000002A0000-0x00000000002BA000-memory.dmp

Filesize
104KB

Download
memory/2380-29-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/2584-4-0x0000000000310000-0x000000000032A000-memory.dmp

Filesize
104KB

Download
memory/2584-0-0x0000000000310000-0x000000000032A000-memory.dmp

Filesize
104KB

Download
memory/2584-10-0x00000000002F0000-0x000000000030A000-memory.dmp

Filesize
104KB

Download
memory/2584-11-0x0000000000330000-0x0000000000350000-memory.dmp

Filesize
128KB

Download
memory/2760-26-0x0000000000430000-0x000000000044A000-memory.dmp

Filesize
104KB

Download
memory/2760-27-0x0000000000570000-0x0000000000590000-memory.dmp

Filesize
128KB

Download
memory/2760-21-0x0000000000450000-0x000000000046A000-memory.dmp

Filesize
104KB

Download
memory/2760-25-0x0000000000450000-0x000000000046A000-memory.dmp

Filesize
104KB

Download
memory/2760-31-0x0000000000430000-0x000000000044A000-memory.dmp

Filesize
104KB

Download

Analysis

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