7417cffcbba54a5912c463d0c6cbbcaa3d1b330cbd4062ca43e869ebd840594e

General

Target

bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe
Size

179KB
MD5

bd1e30bccb7857f7da849b78f8d2ffaa
SHA1

eff70c031585075cf0bd68a8c5468ea9f8e2e983
SHA256

7417cffcbba54a5912c463d0c6cbbcaa3d1b330cbd4062ca43e869ebd840594e
SHA512

294355a656dcd136c59f07ebf61b83fc427cd3e0e65ab361c0d38e45397fba1b663edd6ed4844ca5d4cf92dfc1139dcc5e051f69c9aeb45ace17450a81c4c80f
SSDEEP

3072:kkFFrnrW0GdO5HqQJCANRuEj9vXmaVfnh54lNUrLDZck8fgFIcCAJ7xu:kiFrnrWLQQAaE5Tnhsm/wGIcdJdu

Score

8^/10

discovery evasion execution persistence privilege_escalation upx

Malware Config

Signatures

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
1208	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	b00cc771.exe

Loads dropped DLL 2 IoCs

pid	Process
2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe
2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00080000000160d8-11.dat	upx
behavioral1/memory/2736-21-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-22-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-23-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-24-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-25-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-26-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-27-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-28-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-29-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-30-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-31-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-32-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-33-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-34-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-35-0x0000000000400000-0x0000000000484000-memory.dmp	upx
behavioral1/memory/2736-36-0x0000000000400000-0x0000000000484000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 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\twain32 = "rundll32.exe twain32.dll,yxul"	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\7dda759f.dll	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\7dda759f.dll	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\ce14d422.dll	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\ce14d422.dll	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\9d646453.dll	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\9d646453.dll	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\twain32.dll	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\twain32.dll	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1832	sc.exe
1764	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.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	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b00cc771.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 1832	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	30
PID 2688 wrote to memory of 1832	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	30
PID 2688 wrote to memory of 1832	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	30
PID 2688 wrote to memory of 1832	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	30
PID 2688 wrote to memory of 1764	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	32
PID 2688 wrote to memory of 1764	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	32
PID 2688 wrote to memory of 1764	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	32
PID 2688 wrote to memory of 1764	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	32
PID 2688 wrote to memory of 1208	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	34
PID 2688 wrote to memory of 1208	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	34
PID 2688 wrote to memory of 1208	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	34
PID 2688 wrote to memory of 1208	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	34
PID 2688 wrote to memory of 2736	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	36
PID 2688 wrote to memory of 2736	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	36
PID 2688 wrote to memory of 2736	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	36
PID 2688 wrote to memory of 2736	2688	bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe	36

C:\Users\Admin\AppData\Local\Temp\bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bd1e30bccb7857f7da849b78f8d2ffaa_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create twain32 type= share start= auto DisplayName= "Twain Source Manager (Image Acquisition Interface)" group= "Event Log" binPath= "rundll32.exe C:\Windows\system32\twain32.dll,yxul"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1832
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description twain32 "Twain Source Manager (Image Acquisition Interface)"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1764
- C:\Windows\SysWOW64\netsh.exe
  C:\Windows\system32\netsh.exe firewall add portopening TCP 1556 messenger
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:1208
- C:\Users\Admin\AppData\Local\Temp\b00cc771.exe
  "C:\Users\Admin\AppData\Local\Temp\b00cc771.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

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

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\b00cc771.exe

Filesize
83KB

MD5
452e094becaed473b6bbd63e033b168a

SHA1
18c42e93181466388fe5abdbd78cdac0558ee528

SHA256
d5cb70c8125e32b05d5de9dc9b76330651f74923b8bb85f5e2915622edd55909

SHA512
a92b525540479a64a018c93163f80f114ac23b7dacce64a486469a9db7b45206efd2d7a5d8befeb31e7b93f67cdeee9ec7a2dbf7cec95d45c5a5d9b036f3b783

Download Submit
memory/2688-18-0x0000000002AB0000-0x0000000002B34000-memory.dmp

Filesize
528KB

Download
memory/2688-0-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2688-19-0x0000000000400000-0x0000000000408000-memory.dmp

Filesize
32KB

Download
memory/2736-27-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-28-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-23-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-24-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-25-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-26-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-21-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-22-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-29-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-30-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-31-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-32-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-33-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-34-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-35-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2736-36-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads