2d00386773d1a46b640690e54486e66aa7e00192a5f87ad3827dd005835aca41

General

Target

34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe
Size

160KB
MD5

34e9c01cecfeb8bc0d49135599a35e55
SHA1

0944aba286cf170f8c14fd35b010c21dd9ed4017
SHA256

2d00386773d1a46b640690e54486e66aa7e00192a5f87ad3827dd005835aca41
SHA512

60b1e8deb24e0e26bcc9357d0bc75a96e1207e56565bd797cf400847f83bb2e263c34398702731ab4b3fe9e2d2a35efe6d9efed114331428132ffaaca2f42f0c
SSDEEP

3072:JJ37wWMULJBHBFc5REPDrpJcgrVG/Q7Fk8UZB9Gb:TxE5REPBJbVGo7i8kjG

Score

10^/10

evasion persistence privilege_escalation upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 2 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:\\Users\\Admin\\AppData\\Roaming\\smss.exe\""	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Users\\Admin\\AppData\\Roaming\\smss.exe\""	smss.exe

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
232	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2244	smss.exe
4032	smss.exe

UPX packed file 11 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1184-0-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/1184-2-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/1184-3-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/1184-23-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4032-28-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4032-30-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4032-33-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4032-35-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4032-38-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4032-41-0x0000000000400000-0x0000000000425000-memory.dmp	upx
behavioral2/memory/4032-44-0x0000000000400000-0x0000000000425000-memory.dmp	upx

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\smss.exe\""	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\smss.exe\""	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-384068567-2943195810-3631207890-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\smss.exe\""	smss.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MSWUpdate = "\"C:\\Users\\Admin\\AppData\\Roaming\\smss.exe\""	smss.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2860 set thread context of 1184	2860	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	84
PID 2244 set thread context of 4032	2244	smss.exe	92

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1184	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe
4032	smss.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 1184	2860	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	84
PID 2860 wrote to memory of 1184	2860	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	84
PID 2860 wrote to memory of 1184	2860	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	84
PID 2860 wrote to memory of 1184	2860	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	84
PID 2860 wrote to memory of 1184	2860	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	84
PID 2860 wrote to memory of 1184	2860	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	84
PID 2860 wrote to memory of 1184	2860	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	84
PID 2860 wrote to memory of 1184	2860	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	84
PID 1184 wrote to memory of 232	1184	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	89
PID 1184 wrote to memory of 232	1184	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	89
PID 1184 wrote to memory of 232	1184	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	89
PID 1184 wrote to memory of 2244	1184	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	91
PID 1184 wrote to memory of 2244	1184	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	91
PID 1184 wrote to memory of 2244	1184	34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe	91
PID 2244 wrote to memory of 4032	2244	smss.exe	92
PID 2244 wrote to memory of 4032	2244	smss.exe	92
PID 2244 wrote to memory of 4032	2244	smss.exe	92
PID 2244 wrote to memory of 4032	2244	smss.exe	92
PID 2244 wrote to memory of 4032	2244	smss.exe	92
PID 2244 wrote to memory of 4032	2244	smss.exe	92
PID 2244 wrote to memory of 4032	2244	smss.exe	92
PID 2244 wrote to memory of 4032	2244	smss.exe	92

C:\Users\Admin\AppData\Local\Temp\34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2860
- C:\Users\Admin\AppData\Local\Temp\34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Adds Run key to start application
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1184
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\smss.exe" CityScape Enable
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:232
- - C:\Users\Admin\AppData\Roaming\smss.exe
    /d C:\Users\Admin\AppData\Local\Temp\34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2244
  - - C:\Users\Admin\AppData\Roaming\smss.exe
      /d C:\Users\Admin\AppData\Local\Temp\34e9c01cecfeb8bc0d49135599a35e55_JaffaCakes118.exe
      4⤵
      Modifies WinLogon for persistence
      Executes dropped EXE
      Adds Run key to start application
      Suspicious use of SetWindowsHookEx
      PID:4032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\smss.exe

Filesize
160KB

MD5
26828de6510596828a7d78f981822e50

SHA1
7a05314ed0bcd75baac6b37487add117804215f2

SHA256
4e6a61e468ddb58becbc26a7939a75954b5549ea94357cdd6a61f7ba85e7a23b

SHA512
d6cf89bb0acb6b6eb8c9fac7cea888b57d8688c0b75bf6dcdce6c10877e44dedf79446ef42617f193456580fdea03069823c3cb0282bf594f0d0516dbf50064a

Download Submit
memory/1184-0-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1184-2-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1184-3-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/1184-23-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4032-28-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4032-30-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4032-33-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4032-35-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4032-38-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4032-41-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download
memory/4032-44-0x0000000000400000-0x0000000000425000-memory.dmp

Filesize
148KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads