f5baaf14bb531269e459660b2d616989ab94f1bf3ecdf09b82b65943b987690a

General

Target

78786c6d55eb94c675da76123d3dff10_JaffaCakes118.exe
Size

702KB
MD5

78786c6d55eb94c675da76123d3dff10
SHA1

36d611aa2d68b02ba61a12bb08876b54ae568485
SHA256

f5baaf14bb531269e459660b2d616989ab94f1bf3ecdf09b82b65943b987690a
SHA512

3d4edd2b5748a66c79353bccf3ccdb31b076429981fd3d6e27a94fcc8bd4062726b74cb798c50adbebacc86ff7462a9eaa86eb170c19f8a8995644ff21a74ec5
SSDEEP

12288:/tlStDU/H3LktG5lc3p86thfZ+nrSjhF6BXXkCDYO568Ndd+haWKkAlr1TEAmdza:/tl4IXLksl+WG5Z+MTmXXkM7dyCr1ox4

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2404	G7g0TDSSc8AmKdk.exe
4088	CTS.exe

Reads user/profile data of web browsers 2 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

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4536-0-0x0000000000F80000-0x0000000000F97000-memory.dmp	upx
behavioral2/files/0x0009000000023496-7.dat	upx
behavioral2/memory/4536-9-0x0000000000F80000-0x0000000000F97000-memory.dmp	upx
behavioral2/memory/4088-10-0x0000000000250000-0x0000000000267000-memory.dmp	upx
behavioral2/files/0x0007000000023343-13.dat	upx

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"	78786c6d55eb94c675da76123d3dff10_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	78786c6d55eb94c675da76123d3dff10_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	78786c6d55eb94c675da76123d3dff10_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4536	78786c6d55eb94c675da76123d3dff10_JaffaCakes118.exe
Token: SeDebugPrivilege	4088	CTS.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4536 wrote to memory of 2404	4536	78786c6d55eb94c675da76123d3dff10_JaffaCakes118.exe	84
PID 4536 wrote to memory of 2404	4536	78786c6d55eb94c675da76123d3dff10_JaffaCakes118.exe	84
PID 4536 wrote to memory of 4088	4536	78786c6d55eb94c675da76123d3dff10_JaffaCakes118.exe	85
PID 4536 wrote to memory of 4088	4536	78786c6d55eb94c675da76123d3dff10_JaffaCakes118.exe	85
PID 4536 wrote to memory of 4088	4536	78786c6d55eb94c675da76123d3dff10_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\78786c6d55eb94c675da76123d3dff10_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\78786c6d55eb94c675da76123d3dff10_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:4536
- C:\Users\Admin\AppData\Local\Temp\G7g0TDSSc8AmKdk.exe
  C:\Users\Admin\AppData\Local\Temp\G7g0TDSSc8AmKdk.exe
  2⤵
  - Executes dropped EXE
  PID:2404
- 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:4088

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

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
449KB

MD5
9f7baaee7d7d6d2d731447f26994f74d

SHA1
87fd6ebb8a1e47efc2c62810aa743735984a2e8d

SHA256
9302d09b15a74f3313f1bbe06c3450a61471dd50ea413ec809441e325293ad0d

SHA512
818b1fb4367cedae7d3c407540e75e82ce32e33672ce24241a369a24297e4e20a2763508dee1af5fdd8454a0c02de3e74858d7059f7e3fae4344266196d6b22e

Download Submit
C:\Users\Admin\AppData\Local\Temp\G7g0TDSSc8AmKdk.exe

Filesize
574KB

MD5
6503efe0a01c2d50c97be27f3cb10a43

SHA1
a0cb3708603a18f02352d01ec672020e5bad5073

SHA256
0cf9864ae3a8679ed503f954a453452c93fa44f99ca6f39bbc5860abde7fd35e

SHA512
ebdbc553ba4348676fd3f2ca12e48af53a229b449a36e653dbfca90efb34d21033e41d1157dcca28c2b1e5f91368c0839298992247cf7d2e8feca5feab8ecea4

Download Submit
C:\Windows\CTS.exe

Filesize
128KB

MD5
709bc52ebffc5b45b42524d9dbdc2bfd

SHA1
819d49a89ecf928c13b083798114952d9e934c8d

SHA256
e2fb713c788d38ad4200362ef9d81b13d895e633f70ff6d8c424f53b8c164e1a

SHA512
16e8a872abfaac83e4a38c0acf24e7ed16ec668fcdcb1706f4ef69bf2834d8969161e3b9e304c1c9eb777c5e68de31bbc6c6170ef9ac9a12c2a5accc86602e16

Download Submit
memory/4088-10-0x0000000000250000-0x0000000000267000-memory.dmp

Filesize
92KB

Download
memory/4536-0-0x0000000000F80000-0x0000000000F97000-memory.dmp

Filesize
92KB

Download
memory/4536-9-0x0000000000F80000-0x0000000000F97000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads