687d3e649b6ba09bc072fcb69ef751b729983dcdbecfb4da7f0d8b2c509c196b

General

Target

e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe
Size

100KB
MD5

e1b7edc7b64d3658dc80ff55416b0c13
SHA1

dce6acf0d134a7b9a59302624264083a43e0e292
SHA256

687d3e649b6ba09bc072fcb69ef751b729983dcdbecfb4da7f0d8b2c509c196b
SHA512

6b86abf8505edfe5e428cb3c3128fa9dd65e4d8bdc0c4b1e1f951733fce66d25e8929150137d2454f77332dc96f6be326a9f9ffe309899fa7ebb731e73f24f81
SSDEEP

1536:lYz5kHo5yO+yZoLyX5FfFv4Q3PmsPtUAlItRng0k5JQDVYvpU76:6GPO3Zgy/fB4QOsPtMtRg0k5JQJEpU7

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4496	winffnh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update 495955904 = "C:\\Windows\\16211087811479243\\winffnh.exe"	e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update 495955904 = "C:\\Windows\\16211087811479243\\winffnh.exe"	e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\16211087811479243\winffnh.exe	e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe
File opened for modification	C:\Windows\16211087811479243\winffnh.exe	e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe
File opened for modification	C:\Windows\16211087811479243	e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe

Program crash 8 IoCs

pid	pid_target	Process	procid_target
4024	3372	WerFault.exe	83
2256	3372	WerFault.exe	83
4544	3372	WerFault.exe	83
692	3372	WerFault.exe	83
1356	4496	WerFault.exe	90
3924	4496	WerFault.exe	90
1352	4496	WerFault.exe	90
3432	4496	WerFault.exe	90

System Location Discovery: System Language Discovery 1 TTPs 2 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	winffnh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 4496	3372	e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe	90
PID 3372 wrote to memory of 4496	3372	e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe	90
PID 3372 wrote to memory of 4496	3372	e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e1b7edc7b64d3658dc80ff55416b0c13_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3372
- C:\Windows\16211087811479243\winffnh.exe
  C:\Windows\16211087811479243\winffnh.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4496
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 752
    3⤵
    - Program crash
    PID:1356
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 840
    3⤵
    - Program crash
    PID:3924
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 948
    3⤵
    - Program crash
    PID:1352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 988
    3⤵
    - Program crash
    PID:3432
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 552
  2⤵
  - Program crash
  PID:4024
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 660
  2⤵
  - Program crash
  PID:2256
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 776
  2⤵
  - Program crash
  PID:4544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3372 -s 816
  2⤵
  - Program crash
  PID:692

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3372 -ip 3372
1⤵
PID:1920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3372 -ip 3372
1⤵
PID:2140

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 3372 -ip 3372
1⤵
PID:4068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3372 -ip 3372
1⤵
PID:3440

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4496 -ip 4496
1⤵
PID:4312

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4496 -ip 4496
1⤵
PID:3556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4496 -ip 4496
1⤵
PID:2768

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4496 -ip 4496
1⤵
PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\16211087811479243\winffnh.exe

Filesize
100KB

MD5
e1b7edc7b64d3658dc80ff55416b0c13

SHA1
dce6acf0d134a7b9a59302624264083a43e0e292

SHA256
687d3e649b6ba09bc072fcb69ef751b729983dcdbecfb4da7f0d8b2c509c196b

SHA512
6b86abf8505edfe5e428cb3c3128fa9dd65e4d8bdc0c4b1e1f951733fce66d25e8929150137d2454f77332dc96f6be326a9f9ffe309899fa7ebb731e73f24f81

Download Submit
memory/3372-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/3372-2-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3372-11-0x0000000000400000-0x00000000004AE000-memory.dmp

Filesize
696KB

Download
memory/4496-9-0x0000000000400000-0x00000000004AE000-memory.dmp

Filesize
696KB

Download
memory/4496-10-0x0000000000400000-0x00000000004AE000-memory.dmp

Filesize
696KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads