3f6c0010861ed922e11b719dc1c0b526c61d92a799f2d7df155dfec7642f6342

General

Target

17b1976e3a2414be7b616b29383d129c_JaffaCakes118.exe
Size

59KB
MD5

17b1976e3a2414be7b616b29383d129c
SHA1

7689a640deb84b3108d4bc23f0eb818e7c49f563
SHA256

3f6c0010861ed922e11b719dc1c0b526c61d92a799f2d7df155dfec7642f6342
SHA512

dddab617158f1466cc27afacb2e8d7dcab77429e7fecce19c8427a393b588d8f7491a724818abf006c922007c184aee052f7b8078a41d95cb9d5c6e02438785f
SSDEEP

1536:egKcR4mjD9r82JUkpSI/fqhOdIfID/h5PDKJka8iVpcE81:5KcWmjRrzikpSqqod5p5P5a5C1

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3088	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"	17b1976e3a2414be7b616b29383d129c_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/1512-0-0x0000000000B60000-0x0000000000B77000-memory.dmp	upx
behavioral2/files/0x00080000000234e7-6.dat	upx
behavioral2/memory/3088-7-0x0000000000280000-0x0000000000297000-memory.dmp	upx
behavioral2/memory/1512-8-0x0000000000B60000-0x0000000000B77000-memory.dmp	upx
behavioral2/files/0x0007000000023368-12.dat	upx
behavioral2/files/0x000300000001e62f-30.dat	upx
behavioral2/memory/3088-32-0x0000000000280000-0x0000000000297000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	17b1976e3a2414be7b616b29383d129c_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	17b1976e3a2414be7b616b29383d129c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1512	17b1976e3a2414be7b616b29383d129c_JaffaCakes118.exe
Token: SeDebugPrivilege	3088	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 3088	1512	17b1976e3a2414be7b616b29383d129c_JaffaCakes118.exe	82
PID 1512 wrote to memory of 3088	1512	17b1976e3a2414be7b616b29383d129c_JaffaCakes118.exe	82
PID 1512 wrote to memory of 3088	1512	17b1976e3a2414be7b616b29383d129c_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\17b1976e3a2414be7b616b29383d129c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\17b1976e3a2414be7b616b29383d129c_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:1512
- 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:3088

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
352KB

MD5
61a09fef7779a7d882ad879f6a5f18e2

SHA1
8a120bbc5012a3799f83959dea5ccff78693cdd1

SHA256
6f4ef058f2d3b29bf90bc8210308ca1a89dc3ab1da4b3a0a7834ce2b5f7ec06b

SHA512
161380af2ad5106412b751b3e4e12f1a78d6c7240c0d5126c755c70d8746aba8e9e18e8a9b9db2f865f654f1ecff319ede803bffc041e11a635906b6b0ab814f

Download Submit
C:\Users\Admin\AppData\Local\Temp\PAunY7dj7AsOKHc.exe

Filesize
59KB

MD5
37838fb17c924ee6367fb567ea580493

SHA1
ffe0f4ba1f5b284a2a8dad8250ed46d27e69e458

SHA256
5a34b04acb59d5aa85243980d4f8409716961f799da2f90a78b277a60f9207b0

SHA512
e5899cb4635066595756c271bf9d73556ae531dfff75f0c74f568facb1abc06d2c764aa5e62ababe22c00d4a5e4835a02c8d2c9f8b9d2b102272fe52c58964b2

Download Submit
C:\Windows\CTS.exe

Filesize
28KB

MD5
e6150447c894ade7b2b9ee88d5933922

SHA1
dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

SHA256
b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

SHA512
d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

Download Submit
memory/1512-0-0x0000000000B60000-0x0000000000B77000-memory.dmp

Filesize
92KB

Download
memory/1512-8-0x0000000000B60000-0x0000000000B77000-memory.dmp

Filesize
92KB

Download
memory/3088-7-0x0000000000280000-0x0000000000297000-memory.dmp

Filesize
92KB

Download
memory/3088-32-0x0000000000280000-0x0000000000297000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads