bc481ffb7d1192a0cab5d05ce8e8f8ed6b34a8ba6b142fae75c9915bbe6bceda

General

Target

12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe
Size

227KB
MD5

12fe44da33d2a9ca3d82e4eeb8bc4ec2
SHA1

9664c8a7a1cc9015ec66439b3bd95606192e331a
SHA256

bc481ffb7d1192a0cab5d05ce8e8f8ed6b34a8ba6b142fae75c9915bbe6bceda
SHA512

8305fc7792fba5ec0f5050315f8ac102de5b7336bc638d5e0ca7d61d94f2a2b401d482b9f279c057da4e231ad038af72229e19200b29acd8e974cc52ce7ce82e
SSDEEP

3072:sr3KcWmjRrzSsYYMvDzY5lBLR7oDTJiajsCQ6uY+CPnvwFbR3W6D8ot36bVef5EY:/8i7sB97iTMBKvcdms53E+5qlcAurz

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4556	IBq8X2u1ZpbcX1U.exe
4620	CTS.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

Adds Run key to start application 2 TTPs 2 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\CTS = "C:\\Windows\\CTS.exe"	12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/644-0-0x0000000000A20000-0x0000000000A37000-memory.dmp	upx
behavioral2/files/0x0009000000023426-7.dat	upx
behavioral2/memory/4620-8-0x00000000007D0000-0x00000000007E7000-memory.dmp	upx
behavioral2/memory/644-10-0x0000000000A20000-0x0000000000A37000-memory.dmp	upx
behavioral2/files/0x000b000000023391-14.dat	upx
behavioral2/memory/4620-33-0x00000000007D0000-0x00000000007E7000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IBq8X2u1ZpbcX1U.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	644	12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe
Token: SeDebugPrivilege	4620	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 4556	644	12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe	82
PID 644 wrote to memory of 4556	644	12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe	82
PID 644 wrote to memory of 4556	644	12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe	82
PID 644 wrote to memory of 4620	644	12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe	83
PID 644 wrote to memory of 4620	644	12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe	83
PID 644 wrote to memory of 4620	644	12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12fe44da33d2a9ca3d82e4eeb8bc4ec2_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:644
- C:\Users\Admin\AppData\Local\Temp\IBq8X2u1ZpbcX1U.exe
  C:\Users\Admin\AppData\Local\Temp\IBq8X2u1ZpbcX1U.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4556
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4620

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

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

Filesize
358KB

MD5
9eed3147afb29ae7c386cae3167a36cc

SHA1
cb8f34a296c386109bd2cbea5244fffa4353aeaf

SHA256
8493ae566bc5c1201410c8c5180389b00d921b830dfaec4732ad9fd97fdae684

SHA512
837ab32c73ea4f0431354b090e04aeef53dd91023b72c47646ae89812c8a72fbfb398680c7a83a72403fa8a57e3b3cd9de6ebe0ff9881eda79ab0e551d740923

Download Submit
C:\Users\Admin\AppData\Local\Temp\IBq8X2u1ZpbcX1U.exe

Filesize
191KB

MD5
94a363cd532d88ac33997c25657a19b5

SHA1
a98f1a8361d0183651c0ef457b9ac4339e429bea

SHA256
13b98844b2fa4a39a4d8ebb414fc79450d5ab4f0c8f5141ac06d40b2a0431ea4

SHA512
3b1c87a67f63e4276453ec1e322f0c13896dd0524ef35f4e4037a481ce354feaa98440f85b784c0b90a900c59ef115654f687457180ea433ea0100427f5c26f5

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/644-0-0x0000000000A20000-0x0000000000A37000-memory.dmp

Filesize
92KB

Download
memory/644-10-0x0000000000A20000-0x0000000000A37000-memory.dmp

Filesize
92KB

Download
memory/4620-8-0x00000000007D0000-0x00000000007E7000-memory.dmp

Filesize
92KB

Download
memory/4620-33-0x00000000007D0000-0x00000000007E7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads