23c58e9fa69db1004768a7b5425ee307be236f96e850d127e61abf9c1454047a

General

Target

d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe
Size

183KB
MD5

d4be0c62ea1553c6e39ba5cd5f700eed
SHA1

076d6d4b1d6fd83f3266ab1b4849a863ae72fc40
SHA256

23c58e9fa69db1004768a7b5425ee307be236f96e850d127e61abf9c1454047a
SHA512

230be2afd77e8fab8be25bdfd332353f8938cc681da831bf1fb5c682c2d452846ee7fac307cdf41d883055026538bd88625d17ebb997dd02c6cf9ed820f2ca6c
SSDEEP

3072:Z1q7Xyxcno6wZus10kbwZJDBXk1dybRO251zfe1uG8eVrCdHwqmyf:Z1qOWo6wZuXk6DB01dy9Rj0R8eIzmm

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
1748	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	5acd9b57.exe

Loads dropped DLL 2 IoCs

pid	Process
1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe
1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe

UPX packed file 17 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x0006000000018cde-11.dat	upx
behavioral1/memory/2824-21-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-22-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-23-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-24-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-25-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-26-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-27-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-28-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-29-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-30-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-31-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-32-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-33-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-34-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-35-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2824-36-0x0000000000400000-0x000000000044C000-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\rsvpmsg32 = "rundll32.exe rsvpmsg32.dll,yrat"	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe

Drops file in System32 directory 8 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rsvpmsg32.dll	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\rsvpmsg32.dll	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\289b4985.dll	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\289b4985.dll	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\1d4fe110.dll	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\1d4fe110.dll	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\2c5598b7.dll	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\2c5598b7.dll	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe

Launches sc.exe 2 IoCs

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

pid	Process
1980	sc.exe
2280	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	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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	5acd9b57.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	2708	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2708	AUDIODG.EXE
Token: 33	2708	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2708	AUDIODG.EXE

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 1748	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	29
PID 1140 wrote to memory of 1748	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	29
PID 1140 wrote to memory of 1748	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	29
PID 1140 wrote to memory of 1748	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	29
PID 1140 wrote to memory of 1980	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	31
PID 1140 wrote to memory of 1980	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	31
PID 1140 wrote to memory of 1980	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	31
PID 1140 wrote to memory of 1980	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	31
PID 1140 wrote to memory of 2280	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	33
PID 1140 wrote to memory of 2280	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	33
PID 1140 wrote to memory of 2280	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	33
PID 1140 wrote to memory of 2280	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	33
PID 1140 wrote to memory of 2824	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	35
PID 1140 wrote to memory of 2824	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	35
PID 1140 wrote to memory of 2824	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	35
PID 1140 wrote to memory of 2824	1140	d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe	35

C:\Users\Admin\AppData\Local\Temp\d4be0c62ea1553c6e39ba5cd5f700eed_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d4be0c62ea1553c6e39ba5cd5f700eed_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:1140
- C:\Windows\SysWOW64\netsh.exe
  C:\Windows\system32\netsh.exe firewall add portopening TCP 1595 messenger
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:1748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create rsvpmsg32 type= share start= auto DisplayName= "RSVP Messages DLL" group= "Event Log" binPath= "rundll32.exe C:\Windows\system32\rsvpmsg32.dll,yrat"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description rsvpmsg32 "RSVP Messages DLL"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2280
- C:\Users\Admin\AppData\Local\Temp\5acd9b57.exe
  "C:\Users\Admin\AppData\Local\Temp\5acd9b57.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2824

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x52c
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2708

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\5acd9b57.exe

Filesize
82KB

MD5
08c09fe46550ded192e8250e6f76133d

SHA1
9cc1f8c3876ea9d7d6de65d511d9fdf10175a6b6

SHA256
abe394e6af6dc3e29a66b1a3b14de2e575b4cc0d262b84b583944182fc0370c9

SHA512
b8ce132ea905517d84d4e6db4772e504d2d7eb4ed57fac0ab2164f986c8f8b858c97019717fe4bca0b974b34b780e91d1f087e97e5cbe2502cfa9c6ced5104aa

Download Submit
memory/1140-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1140-13-0x00000000026E0000-0x000000000272C000-memory.dmp

Filesize
304KB

Download
memory/1140-20-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2824-27-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-28-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-23-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-24-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-25-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-26-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-21-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-22-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-29-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-30-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-31-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-32-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-33-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-34-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-35-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2824-36-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads