5f60950528295a7885e1241258ea283d44ea9f3960e8b62300e2231f340afd04

General

Target

dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe
Size

144KB
MD5

dea8f56582d91ae4605f7162a006aeae
SHA1

96a38ffacfb0ac8a369ce03cffb6c1f2b4893fa6
SHA256

5f60950528295a7885e1241258ea283d44ea9f3960e8b62300e2231f340afd04
SHA512

2ba4e9e84e75828cfa5bbc5d1c0d16b2f308fb5ff4557dc8cee5550701a3f77be6ff6580249872205374c7d8156cb37fba8b7b4df892992508666009bf603b6a
SSDEEP

1536:/fQDBTn64E8RtIacmqWQuGMZ0jkLcDBTn64E8RtIacGDBTn64E8RtIacRjDKyEXd:3QDQ/0cd2jLwrecqOMpV+WR36rHuG

Score

10^/10

discovery persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "explorer.exe C:\\Windows\\system32\\drivers\\svchost.exe"	svchost.exe

Drops file in Drivers directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\svchost.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\drivers\Setup.exe	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\drivers\svchost.exe	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1868	svchost.exe
1908	Setup.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\mmil.htm	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Setup.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
3488	taskkill.exe
1744	taskkill.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3488	taskkill.exe
Token: SeDebugPrivilege	1744	taskkill.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe
1868	svchost.exe
1868	svchost.exe
1868	svchost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4416 wrote to memory of 3488	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	83
PID 4416 wrote to memory of 3488	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	83
PID 4416 wrote to memory of 3488	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	83
PID 4416 wrote to memory of 1868	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1868	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1868	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	84
PID 4416 wrote to memory of 1908	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	88
PID 4416 wrote to memory of 1908	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	88
PID 4416 wrote to memory of 1908	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	88
PID 4416 wrote to memory of 1744	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	89
PID 4416 wrote to memory of 1744	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	89
PID 4416 wrote to memory of 1744	4416	dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\dea8f56582d91ae4605f7162a006aeae_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /im teatimer.exe /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:3488
- C:\Windows\SysWOW64\drivers\svchost.exe
  C:\Windows\system32\drivers\svchost.exe
  2⤵
  - Modifies WinLogon for persistence
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1868
- C:\Windows\SysWOW64\drivers\Setup.exe
  C:\Windows\system32\drivers\Setup.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1908
- C:\Windows\SysWOW64\taskkill.exe
  taskkill /im teatimer.exe /f
  2⤵
  - System Location Discovery: System Language Discovery
  - Kills process with taskkill
  - Suspicious use of AdjustPrivilegeToken
  PID:1744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

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\SysWOW64\drivers\Setup.exe

Filesize
48KB

MD5
54370209b8485a8652aa0d28f98ebd30

SHA1
6c03a3003869bb062e55a428001cb36769869cc0

SHA256
4a6f321d2f5ba8803eda2f12d7abf99681d023fe1c4e5677f425136836327526

SHA512
085048823e7e250e284b1b9758bbc50d1762c9e33be89501845e48d6c322f63644f4b89ba91fdff85144556af002aee4729eea4ed41cb57461bf449bea151813

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C:\Windows\SysWOW64\drivers\svchost.exe

Filesize
56KB

MD5
5c749b6329c23b51ec2010d4769f124e

SHA1
63c4b66297efc2807bdb5d37131a552455f0c90a

SHA256
cacc67a8acd397c9135876fef7d773ab4c465aa1dee07068eb20ceec358e7e96

SHA512
abf0d7a64153f5c3e436524c8196229d074832de76862509d023d7bf2faa84a5b9fa6b2ef7f75d1fdddf4dd0260135730cd3c32dfce200edfd47cffc7a135e1a

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads