745ddf1063c392ab795ea3d2bb98a078913b696328076f243efcd612bc96e45b

General

Target

d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe
Size

41KB
MD5

d44295c3edc3b5f3ae03a1d0e19559d9
SHA1

037ad205a796b011095564681f937cda3744f24e
SHA256

745ddf1063c392ab795ea3d2bb98a078913b696328076f243efcd612bc96e45b
SHA512

3c5088c7d89fbe054edd6c1327cdfe0f10c6da26b8470dbb4bee10d82d737de2ef950ee54d8040b280b3dd10df1c4f5c78cf2e7fbff1b9216b783bd7a2866ee6
SSDEEP

768:eyX3LKew369lp2z3Sd4baFXLjwP/Tgj93b8NIoT2YiaOEbZXG0dsFqV5HG:egKcR4mjD9r82pZxyZXG2scbG

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3404	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 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1008-0-0x00000000006A0000-0x00000000006B7000-memory.dmp	upx
behavioral2/files/0x0009000000023467-5.dat	upx
behavioral2/memory/1008-9-0x00000000006A0000-0x00000000006B7000-memory.dmp	upx
behavioral2/files/0x0007000000023385-12.dat	upx
behavioral2/files/0x000900000002340c-27.dat	upx
behavioral2/memory/3404-30-0x00000000006A0000-0x00000000006B7000-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"	d44295c3edc3b5f3ae03a1d0e19559d9_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	d44295c3edc3b5f3ae03a1d0e19559d9_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	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1008	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe
Token: SeDebugPrivilege	3404	CTS.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1008 wrote to memory of 3404	1008	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe	83
PID 1008 wrote to memory of 3404	1008	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe	83
PID 1008 wrote to memory of 3404	1008	d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\d44295c3edc3b5f3ae03a1d0e19559d9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d44295c3edc3b5f3ae03a1d0e19559d9_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:1008
- 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:3404

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
351KB

MD5
62f7ebe8713ab684a2e12ec20c5df89f

SHA1
b655dd647554ba4f43e3cdd874ab0620dfbc4d40

SHA256
db43c5171d8ef06342ca1b55bd60c393eef336fc264939705d2b9495209d0c8b

SHA512
4a8169cb719fb6a00ddb95912c8174e4b5b2971a6803e545aa0be18a6b16fd556e615b90755b6fd107a39536a98eb36ea13a67cdfc867ff2d834df7480b6aadc

Download Submit
C:\Users\Admin\AppData\Local\Temp\HDBCdS2KtiOBaf4.exe

Filesize
41KB

MD5
38c2598f7f4434f211df1011f37073bd

SHA1
a0957e19c19b13e1c3d1deef8375864908e7b85e

SHA256
07fcdeec0915b1afe512f9707aca727e456bd37391c69513a71e8dc14ccba753

SHA512
4a7e763e1ba08bc0ddc6ab51c4d8e684f912899d0c5c8e6f53972ac4c7e7273f8612177e64a50a17f4d515ac4a0a457899df8e5c95fdcd8199c520863d71dcbe

Download Submit
C:\Windows\CTS.exe

Filesize
28KB

MD5
e6150447c894ade7b2b9ee88d5933922

SHA1
dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

SHA256
b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

SHA512
d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

Download Submit
memory/1008-0-0x00000000006A0000-0x00000000006B7000-memory.dmp

Filesize
92KB

Download
memory/1008-9-0x00000000006A0000-0x00000000006B7000-memory.dmp

Filesize
92KB

Download
memory/3404-30-0x00000000006A0000-0x00000000006B7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads