69ac420621d91567fb3b01e59493cfd723a977962ca3d80fe99c17780225d8f4

General

Target

571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe
Size

82KB
MD5

571d5c4b38305641cacafc463d6f9cef
SHA1

64c6f7efe42b72d5da38adf025b156d18cc9c59b
SHA256

69ac420621d91567fb3b01e59493cfd723a977962ca3d80fe99c17780225d8f4
SHA512

292130eec577a96fc0c8d94706893f0c0cc05581b78f438292f783686c796d0ffa21200308c6bb0aa8eecc6d786fd31b1c289d4f94909eca6e2b151708e078da
SSDEEP

1536:lFYSF3bc72R2WbtjZTovF/AvSw6RRBJWbciBZFCv2P0Vi20rYa3Uqwu:lPg729btBovpvw6RRsbB2O2iT+Tu

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2720	MpegBuster.exe

Loads dropped DLL 7 IoCs

pid	Process
2412	571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe
2412	571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe
2164	WerFault.exe
2164	WerFault.exe
2164	WerFault.exe
2164	WerFault.exe
2412	571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\MpegBuster\Uninstall.exe	571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2164	2720	WerFault.exe	30

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	571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MpegBuster.exe

NSIS installer 1 IoCs

installer

resource	yara_rule
behavioral1/files/0x000500000001961c-19.dat	nsis_installer_2

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2720	2412	571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe	30
PID 2412 wrote to memory of 2720	2412	571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe	30
PID 2412 wrote to memory of 2720	2412	571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe	30
PID 2412 wrote to memory of 2720	2412	571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe	30
PID 2720 wrote to memory of 2164	2720	MpegBuster.exe	31
PID 2720 wrote to memory of 2164	2720	MpegBuster.exe	31
PID 2720 wrote to memory of 2164	2720	MpegBuster.exe	31
PID 2720 wrote to memory of 2164	2720	MpegBuster.exe	31

C:\Users\Admin\AppData\Local\Temp\571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\571d5c4b38305641cacafc463d6f9cef_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\MpegBuster.exe
  C:\Users\Admin\AppData\Local\Temp\MpegBuster.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2720
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 408
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2164

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Program Files (x86)\MpegBuster\Uninstall.exe

Filesize
60KB

MD5
6f5da74f61b6a47926343eb9910acc44

SHA1
dcd5491faa78fa2b8000dca4406616dabbe95e49

SHA256
68c52474873609f2f75c0bb9bbd0c46de026cd40fc19f44865acf1e9976282f3

SHA512
8709acdbc39ad0657650246a38940925288658e44ea45eec4a354a8f58cd6aa371e270055f5bb5df1720c09ed110f8e4cc7a9662ca566405726acae6b9e711a2

Download Submit
\Users\Admin\AppData\Local\Temp\MpegBuster.exe

Filesize
23KB

MD5
90d86909b73d3112e8f7c80ae353b3e4

SHA1
7db0624c31fa6a03a0354cb36bfa475851a06702

SHA256
93a706f1dbc4de3a1250e3e6d2c2c9534bf030b8fe8a12f271b6030d67492346

SHA512
0ffc27c054405d58e3b8dd57537856e18f6509448b622acf57fb62890cc6367c1163a09dd05d351291f3055eafe8152bac1a26f784c6f75845030114a1e7a241

Download Submit
memory/2412-16-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2412-23-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2720-9-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2720-8-0x0000000000401000-0x0000000000403000-memory.dmp

Filesize
8KB

Download
memory/2720-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

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