b075c5f47e03a3c0dfa2fefc974f283674042ecfc5e3b2361646aea041e42594

General

Target

ef6b9c22aa1630dbe3ae9ece27a42388_JaffaCakes118.dll
Size

1.0MB
MD5

ef6b9c22aa1630dbe3ae9ece27a42388
SHA1

fd28d2097d29ae003d3dfcfd3d6fcd431b19df22
SHA256

b075c5f47e03a3c0dfa2fefc974f283674042ecfc5e3b2361646aea041e42594
SHA512

1c4678b79bd5df66a482e7b675cc59ab47afd2504f0299780f5ba4ac4d50fcc2922810ea711e643b7840d2b2803868dbbfc7b4ec9cf45a64147dc6c0adc11da2
SSDEEP

24576:syZe4m2RBWSuBRJfAcEMtGziooofCmi8bVdbCL:sWtRANBRJfAuZ8KloW

Score

7^/10

aspackv2 discovery

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000a000000023459-4.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	rundll32.exe

Executes dropped EXE 2 IoCs

pid	Process
2272	pclA383.exe
4408	nbdr.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\nbdr.exe	pclA383.exe

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

System Information Discovery
T1082

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	nbdr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pclA383.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3732	PING.EXE

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral2/files/0x00070000000234c7-11.dat	nsis_installer_1

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3732	PING.EXE

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 3352 wrote to memory of 2840	3352	rundll32.exe	82
PID 3352 wrote to memory of 2840	3352	rundll32.exe	82
PID 3352 wrote to memory of 2840	3352	rundll32.exe	82
PID 2840 wrote to memory of 2272	2840	rundll32.exe	83
PID 2840 wrote to memory of 2272	2840	rundll32.exe	83
PID 2840 wrote to memory of 2272	2840	rundll32.exe	83
PID 2272 wrote to memory of 4408	2272	pclA383.exe	84
PID 2272 wrote to memory of 4408	2272	pclA383.exe	84
PID 2272 wrote to memory of 4408	2272	pclA383.exe	84
PID 2272 wrote to memory of 2904	2272	pclA383.exe	85
PID 2272 wrote to memory of 2904	2272	pclA383.exe	85
PID 2272 wrote to memory of 2904	2272	pclA383.exe	85
PID 2904 wrote to memory of 3732	2904	cmd.exe	87
PID 2904 wrote to memory of 3732	2904	cmd.exe	87
PID 2904 wrote to memory of 3732	2904	cmd.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef6b9c22aa1630dbe3ae9ece27a42388_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ef6b9c22aa1630dbe3ae9ece27a42388_JaffaCakes118.dll,#1
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Users\Admin\AppData\Local\Temp\pclA383.exe
    "C:\Users\Admin\AppData\Local\Temp\pclA383.exe"
    3⤵
    - Executes dropped EXE
    - Drops file in System32 directory
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2272
  - - C:\Windows\SysWOW64\nbdr.exe
      C:\Windows\system32\nbdr.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4408
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\DEL_2406.bat
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:2904
    - - C:\Windows\SysWOW64\PING.EXE
        
        Ping 127.1
        5⤵
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Internet Connection Discovery
        Runs ping.exe
        
        PID:3732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DEL_2406.bat

Filesize
118B

MD5
c1516f8d1e5d795a8b0d15a380fcb69c

SHA1
dc54ae3758cc941d81e26779d44a0cf52100dea0

SHA256
a9a6f0e13a855694ab3a12afd64e8cde673dc8f893be0c2cee956da611bae5c2

SHA512
098aa72e758c5e194c0779acb9a670b69594819193d769363d30e77ac9009dccd3d30362662da59ae21386c679622339084d1507324906a23dbd55ddd58ca345

Download Submit
C:\Users\Admin\AppData\Local\Temp\pclA383.exe

Filesize
561KB

MD5
3faf9f2e276c13bc9e73403f7fa5896e

SHA1
afecaa87a08a4a62a774d935585e4f328ed13197

SHA256
f485414b90978616a58d60d55fa37969b4f1690fc4466df1f6836967ef7ad64b

SHA512
e5db516b5b607be97c25cad0ca3699b92cc16356663283467815e26ac13775522a953381560ee06b446573525d184e2659dbfc1eef6b02ae4c78a73ad2461823

Download Submit
C:\Windows\SysWOW64\nbdr.exe

Filesize
527KB

MD5
faa32dcff6b3dc36af814a9442e0c2af

SHA1
2fb8d1848dd297de5580fcee27c0ab98ba4e38f0

SHA256
0ce8392ef1496262160ac5768108d5cdec9191b15bfd810cf853dbb5c9cc9a0f

SHA512
697c9393c040d0526756122e34607e654fe1924ea522936acd1881dfe043faf097d1810379fb857b0c95c7b48fb7320129c4128954afc1634d708714d47cf2c4

Download Submit
memory/2272-9-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2272-17-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download

Analysis

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