1eaba89aa70d9e6fb4ad6187e2d51c38093b9c294f5d41ca3fbeb815812cf006

General

Target

462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe
Size

59KB
MD5

462b2f9da89ff03264ca42dd5b341c92
SHA1

3637a7c0364794d0cc892432db682a0b349d2f9b
SHA256

1eaba89aa70d9e6fb4ad6187e2d51c38093b9c294f5d41ca3fbeb815812cf006
SHA512

3e995b6d8cbeec5c8cc77fa1a42ce1571f354685bbd78df7c05f30197b8947b5558d1dcc7353973d8436535ec49d1228f22e04684cf0190caa2db6e82a498a95
SSDEEP

768:XocAX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIocVSEFGocAX3LKew369lp2z3L:SKcR4mjD9r823FHKcR4mjD9r823FG

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3480	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"	462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3920-0-0x0000000000BB0000-0x0000000000BC7000-memory.dmp	upx
behavioral2/files/0x0008000000023c83-9.dat	upx
behavioral2/memory/3480-10-0x0000000000530000-0x0000000000547000-memory.dmp	upx
behavioral2/memory/3920-8-0x0000000000BB0000-0x0000000000BC7000-memory.dmp	upx
behavioral2/files/0x0012000000023994-13.dat	upx
behavioral2/files/0x000c000000023b90-30.dat	upx
behavioral2/memory/3480-32-0x0000000000530000-0x0000000000547000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

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	462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3920	462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe
Token: SeDebugPrivilege	3480	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3920 wrote to memory of 3480	3920	462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe	84
PID 3920 wrote to memory of 3480	3920	462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe	84
PID 3920 wrote to memory of 3480	3920	462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\462b2f9da89ff03264ca42dd5b341c92_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\462b2f9da89ff03264ca42dd5b341c92_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:3920
- 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:3480

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

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Downloads

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

Filesize
382KB

MD5
feff678b19b6c388df9ebfff07b841c0

SHA1
aa8787092f375e0baa0eda851a7780c4cfef4ec4

SHA256
58ba27fc2d4cebe8d447c09a48d07dfa01e5865ee4674a7fa6781f667bacd47c

SHA512
0bb9dc29efa94cf6457634b2cc19e2b96ff187672367146d1dfaaa4dbfa0bd0ba0638623c0910b12f376f6cd99d6e6a5afe809c889b1b3c8f982e82738202e50

Download Submit
C:\Users\Admin\AppData\Local\Temp\wN7LeXxbw1CC7OL.exe

Filesize
59KB

MD5
4bcba389b855080d6277a5fb4d16f4cd

SHA1
7abcf6560accc78327df8bdec17440b05d2172c8

SHA256
056a8dc8dbbf73d699de2dcb31bbfdb176d68eecb92fe95a2ac155ab00e63b60

SHA512
7a2189f32878108fea55122ebf834d7b9e03f9a7e6fa4ed10006e15006b82aceedc09dcddb0fbb5aa40de7f401181244d7e18a4c00dfc9269ecf71ea4db09a0c

Download Submit
C:\Windows\CTS.exe

Filesize
59KB

MD5
5efd390d5f95c8191f5ac33c4db4b143

SHA1
42d81b118815361daa3007f1a40f1576e9a9e0bc

SHA256
6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74

SHA512
720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d

Download Submit
memory/3480-10-0x0000000000530000-0x0000000000547000-memory.dmp

Filesize
92KB

Download
memory/3480-32-0x0000000000530000-0x0000000000547000-memory.dmp

Filesize
92KB

Download
memory/3920-0-0x0000000000BB0000-0x0000000000BC7000-memory.dmp

Filesize
92KB

Download
memory/3920-8-0x0000000000BB0000-0x0000000000BC7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads