d70609cdd643604cfbcfaa78335ac061a8620951db0124bc6bd27c2b1b9a5eee

General

Target

ad13eca79f6b4ce6dd25be461ffffee4_JaffaCakes118.exe
Size

309KB
MD5

ad13eca79f6b4ce6dd25be461ffffee4
SHA1

b7d4a5bb99237a74188926754aee30e16b9d631f
SHA256

d70609cdd643604cfbcfaa78335ac061a8620951db0124bc6bd27c2b1b9a5eee
SHA512

cac82d9792f060f7c8291ddcc6e4569258fd43873a1314c86783f9801292abc915db4dc58acfc544e5cee0b0b7ab8bd4e7e7fb3aeb8cec4383832ea1acf74e40
SSDEEP

3072:Xjr87S7Gnz55Eorr3KcWmjRrzSIasSB+uAriPkcfMVulnkOIiNootOmke/Rud8hQ:sZl2JrJdMohIVoETdah6KX9qfheW

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2088	P3gYdK1jiGS5CAY.exe
3760	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/4492-0-0x00000000005A0000-0x00000000005B9000-memory.dmp	upx
behavioral2/files/0x00080000000234e5-8.dat	upx
behavioral2/memory/3760-9-0x0000000000300000-0x0000000000319000-memory.dmp	upx
behavioral2/memory/4492-10-0x00000000005A0000-0x00000000005B9000-memory.dmp	upx
behavioral2/files/0x0007000000023399-13.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"	ad13eca79f6b4ce6dd25be461ffffee4_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	ad13eca79f6b4ce6dd25be461ffffee4_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	ad13eca79f6b4ce6dd25be461ffffee4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	P3gYdK1jiGS5CAY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CTS.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4492	ad13eca79f6b4ce6dd25be461ffffee4_JaffaCakes118.exe
Token: SeDebugPrivilege	3760	CTS.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 2088	4492	ad13eca79f6b4ce6dd25be461ffffee4_JaffaCakes118.exe	84
PID 4492 wrote to memory of 2088	4492	ad13eca79f6b4ce6dd25be461ffffee4_JaffaCakes118.exe	84
PID 4492 wrote to memory of 2088	4492	ad13eca79f6b4ce6dd25be461ffffee4_JaffaCakes118.exe	84
PID 4492 wrote to memory of 3760	4492	ad13eca79f6b4ce6dd25be461ffffee4_JaffaCakes118.exe	85
PID 4492 wrote to memory of 3760	4492	ad13eca79f6b4ce6dd25be461ffffee4_JaffaCakes118.exe	85
PID 4492 wrote to memory of 3760	4492	ad13eca79f6b4ce6dd25be461ffffee4_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\ad13eca79f6b4ce6dd25be461ffffee4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ad13eca79f6b4ce6dd25be461ffffee4_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:4492
- C:\Users\Admin\AppData\Local\Temp\P3gYdK1jiGS5CAY.exe
  C:\Users\Admin\AppData\Local\Temp\P3gYdK1jiGS5CAY.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2088
- 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:3760

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
441KB

MD5
761dcd7b5d61d56516528e5023202259

SHA1
9d32c3dea5b33709ef92f05972c21c42694a9869

SHA256
20180145b963e19b07bc0cbf4a19e94b5b79d5c5544b67f14bcf75aeffb36561

SHA512
f7c6bfd7093e266247361dedf76a77a74022ecab04aad9430c5eb3a2527e42008276b8df8ac22d818b1ad051ef999ea7277008da89ba9cadcea1feb5767f51fd

Download Submit
C:\Users\Admin\AppData\Local\Temp\P3gYdK1jiGS5CAY.exe

Filesize
191KB

MD5
94a363cd532d88ac33997c25657a19b5

SHA1
a98f1a8361d0183651c0ef457b9ac4339e429bea

SHA256
13b98844b2fa4a39a4d8ebb414fc79450d5ab4f0c8f5141ac06d40b2a0431ea4

SHA512
3b1c87a67f63e4276453ec1e322f0c13896dd0524ef35f4e4037a481ce354feaa98440f85b784c0b90a900c59ef115654f687457180ea433ea0100427f5c26f5

Download Submit
C:\Windows\CTS.exe

Filesize
118KB

MD5
f3a5f1a9498a80d37ad51a465a73bbbe

SHA1
cf0373fb9837de6a67e18f1896258cb99005037b

SHA256
c77cd8b176021d3c9c3c2822691ed40dbda40a9cecb64b4db0cf3630af6cbbc0

SHA512
bdbd9334784577ac625375c1a5f1974ae68040b42d5b09e399c58bc531112d272a9d799747183e9d5704b5a59c2e39e37c3ed887ad84b73f89c51835afecb7cc

Download Submit
memory/3760-9-0x0000000000300000-0x0000000000319000-memory.dmp

Filesize
100KB

Download
memory/4492-0-0x00000000005A0000-0x00000000005B9000-memory.dmp

Filesize
100KB

Download
memory/4492-10-0x00000000005A0000-0x00000000005B9000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads