a578ae7a462a2fd261daeda50b0a72b4b372bee741e42e41f04c771579ba7276

General

Target

739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe
Size

1.1MB
MD5

739252b2e222fe91d2edfd5d1cc28ed7
SHA1

bc20bf99c5350036de99351d9776bce432f43973
SHA256

a578ae7a462a2fd261daeda50b0a72b4b372bee741e42e41f04c771579ba7276
SHA512

3ce31a8dd262213be7002909bd3be340802dd3ebafe061ddb1030d1cf1e04f27098cab1036cac7ffea29b55a1cdb46d4ea33757b3d195a195f7aed412c2fd16a
SSDEEP

24576:6YVweVtJL4qjvkdtUF1KgwgK6VZjpLKb7DiO9280R:6hCZs6MFgK6HpLGuGw

Score

7^/10

discovery persistence themida

Malware Config

Signatures

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2252-2-0x0000000010000000-0x0000000010127000-memory.dmp	themida
behavioral1/memory/2252-8-0x0000000010000000-0x0000000010127000-memory.dmp	themida
behavioral1/memory/2724-17-0x0000000010000000-0x0000000010127000-memory.dmp	themida

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\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\startkey = "C:\\Windows\\system32\\server.exe"	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\plugin1.dat	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\server.exe	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\server.exe	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2252 set thread context of 2724	2252	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	31

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	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2724	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 2724	2252	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2724	2252	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2724	2252	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2724	2252	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2724	2252	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	31
PID 2252 wrote to memory of 2724	2252	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	31
PID 2724 wrote to memory of 1256	2724	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	21
PID 2724 wrote to memory of 1256	2724	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	21
PID 2724 wrote to memory of 2756	2724	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	32
PID 2724 wrote to memory of 2756	2724	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	32
PID 2724 wrote to memory of 2756	2724	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	32
PID 2724 wrote to memory of 2756	2724	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	32
PID 2724 wrote to memory of 2756	2724	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	32
PID 2724 wrote to memory of 2756	2724	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	32
PID 2724 wrote to memory of 2756	2724	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	32
PID 2724 wrote to memory of 2756	2724	739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe	32

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1256
- C:\Users\Admin\AppData\Local\Temp\739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Users\Admin\AppData\Local\Temp\739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe
    C:\Users\Admin\AppData\Local\Temp\739252b2e222fe91d2edfd5d1cc28ed7_JaffaCakes118.exe
    3⤵
    - Adds Run key to start application
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2724
  - - C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      4⤵
      PID:2756

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

memory/1256-14-0x000000007FFF0000-0x000000007FFF1000-memory.dmp

Filesize
4KB

Download
memory/2252-0-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2252-1-0x0000000001CB0000-0x0000000001D99000-memory.dmp

Filesize
932KB

Download
memory/2252-2-0x0000000010000000-0x0000000010127000-memory.dmp

Filesize
1.2MB

Download
memory/2252-3-0x0000000010001000-0x000000001000B000-memory.dmp

Filesize
40KB

Download
memory/2252-8-0x0000000010000000-0x0000000010127000-memory.dmp

Filesize
1.2MB

Download
memory/2252-11-0x0000000010001000-0x000000001000B000-memory.dmp

Filesize
40KB

Download
memory/2724-7-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2724-17-0x0000000010000000-0x0000000010127000-memory.dmp

Filesize
1.2MB

Download
memory/2724-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-4-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads