45460745fe79f706f5976da062c2bb7c3c012fccc7fac4f7cfa9266d978af6e2

General

Target

af73b44525065a11f3f13e9682788617_JaffaCakes118.exe
Size

52KB
MD5

af73b44525065a11f3f13e9682788617
SHA1

04a2be79863ff0af82879b23d6a11dea6d43ca55
SHA256

45460745fe79f706f5976da062c2bb7c3c012fccc7fac4f7cfa9266d978af6e2
SHA512

1b4620581ad8a7c326d57ae217529fadbe4f67333da331e79f3f05f7270b876fd5885287980e2826223629abed46dd3e924288bd8dfb7fabc977c750a3003097
SSDEEP

1536:s9Z3KcR4mjD9r8226+cnwWWwqWI6CkzY4oj3U:sr3KcWmjRrzSXWWbWIWZoj3U

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2120	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 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1244-0-0x00000000002D0000-0x00000000002E7000-memory.dmp	upx
behavioral2/files/0x000a000000023454-6.dat	upx
behavioral2/memory/1244-9-0x00000000002D0000-0x00000000002E7000-memory.dmp	upx
behavioral2/memory/2120-10-0x00000000007A0000-0x00000000007B7000-memory.dmp	upx
behavioral2/files/0x0005000000022aa4-13.dat	upx
behavioral2/files/0x00090000000233fb-30.dat	upx
behavioral2/memory/2120-33-0x00000000007A0000-0x00000000007B7000-memory.dmp	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"	af73b44525065a11f3f13e9682788617_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	af73b44525065a11f3f13e9682788617_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	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1244	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe
Token: SeDebugPrivilege	2120	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2120	1244	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe	84
PID 1244 wrote to memory of 2120	1244	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe	84
PID 1244 wrote to memory of 2120	1244	af73b44525065a11f3f13e9682788617_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\af73b44525065a11f3f13e9682788617_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\af73b44525065a11f3f13e9682788617_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:1244
- 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:2120

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
357KB

MD5
ad671fb7bd6c7c5ecedfc84661ea2226

SHA1
dec81daf908e96021be63c02e685488db531e8cc

SHA256
34565f0d39da8c2c4f0c2bda70f305a906b5b3614b3ca15df23c77f3b93391d3

SHA512
0dc6a5671ce72ee97b20da7a836d7f90900591f4f868e5ced6946ec9905469d878f936d5ebaced6f38fd933611a25c631f70850384138b1845b88f792b78d183

Download Submit
C:\Users\Admin\AppData\Local\Temp\0jtlA7EnXMeMxxk.exe

Filesize
52KB

MD5
a31f4e216bf3ddf0cb66df5aba33764f

SHA1
6c1f9c4f1aaf02c817e90e652c885835c231fdc3

SHA256
190fae09415e7ae345e4f6806a3be79d54d49b5b248984392aa22029c68e2a26

SHA512
54fbfd70bf560208a9ca6ba9644049b31f2d39e210a9db3277078c9fa2fd652ee4e94a5225b9b17c29d2c2283fe04dbb2954d0bd7f8f16190e86c14b51974fdb

Download Submit
C:\Windows\CTS.exe

Filesize
35KB

MD5
93e5f18caebd8d4a2c893e40e5f38232

SHA1
fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6

SHA256
a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8

SHA512
986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54

Download Submit
memory/1244-0-0x00000000002D0000-0x00000000002E7000-memory.dmp

Filesize
92KB

Download
memory/1244-9-0x00000000002D0000-0x00000000002E7000-memory.dmp

Filesize
92KB

Download
memory/2120-10-0x00000000007A0000-0x00000000007B7000-memory.dmp

Filesize
92KB

Download
memory/2120-33-0x00000000007A0000-0x00000000007B7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads