c8a6305ed309202e67fc78ed9e39d04b91c7a8a61cf8d32b0be68c4ff1d60cd8

General

Target

41abe30110bc3e0b14f144910d6115bb_JaffaCakes118.exe
Size

59KB
MD5

41abe30110bc3e0b14f144910d6115bb
SHA1

c46b8687251ffcf62cf51ac835a717f7b8817449
SHA256

c8a6305ed309202e67fc78ed9e39d04b91c7a8a61cf8d32b0be68c4ff1d60cd8
SHA512

c73e345c100b04a2126b91b790ee69f7ebb6ab78d860ca99e9bd1c0edb45998430f374ee1e2d838934ba54c2fac38dd55a0d2efb9ca63889234992555bb1ed32
SSDEEP

1536:egKcR4mjD9r82P5INEUfKBym8XcAnWqftjba5py66DUa:5KcWmjRrzKNEUwLAWStHdUa

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2108	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"	41abe30110bc3e0b14f144910d6115bb_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe"	CTS.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2808-0-0x0000000000C60000-0x0000000000C77000-memory.dmp	upx
behavioral1/memory/2808-9-0x0000000000C60000-0x0000000000C77000-memory.dmp	upx
behavioral1/files/0x0008000000015d2e-7.dat	upx
behavioral1/memory/2108-11-0x0000000000CF0000-0x0000000000D07000-memory.dmp	upx
behavioral1/memory/2108-17-0x0000000000CF0000-0x0000000000D07000-memory.dmp	upx

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\CTS.exe	41abe30110bc3e0b14f144910d6115bb_JaffaCakes118.exe
File created	C:\Windows\CTS.exe	CTS.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	41abe30110bc3e0b14f144910d6115bb_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2808	41abe30110bc3e0b14f144910d6115bb_JaffaCakes118.exe
Token: SeDebugPrivilege	2108	CTS.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2108	2808	41abe30110bc3e0b14f144910d6115bb_JaffaCakes118.exe	30
PID 2808 wrote to memory of 2108	2808	41abe30110bc3e0b14f144910d6115bb_JaffaCakes118.exe	30
PID 2808 wrote to memory of 2108	2808	41abe30110bc3e0b14f144910d6115bb_JaffaCakes118.exe	30
PID 2808 wrote to memory of 2108	2808	41abe30110bc3e0b14f144910d6115bb_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\41abe30110bc3e0b14f144910d6115bb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\41abe30110bc3e0b14f144910d6115bb_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:2808
- C:\Windows\CTS.exe
  "C:\Windows\CTS.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  PID:2108

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\Temp\sD8ZgUsFeVjcOwi.exe

Filesize
31KB

MD5
534d8f18ab3f4bb899cb89d6c3d05765

SHA1
0f4ec312eaf994bb23d3fb6b23613ea7d93275ac

SHA256
42d709f5df73e1c1ff40266976fef813c2e9a772d9e5c8a6b3a327628b20a498

SHA512
160b20c2872b6e405814b894f13e8066f4aacfe68e33ed078806ec968de335385ff6b38ed8cdbd9ac75588e119bcc8b502f94c77a8cadaf0c15acab14626e5a2

Download Submit
C:\Windows\CTS.exe

Filesize
28KB

MD5
e6150447c894ade7b2b9ee88d5933922

SHA1
dc62f7f9ff1a492adadbc8b6321c0b7b9cd973d1

SHA256
b612d46644d0e4a3829c4d6715f71d979103aa487624805363b36f5b4f92b118

SHA512
d6db2b459723005662a646357bd60ab6e5cf77ab4f83868c91e725e45c32b44900c32724883df6aa4a0e85cbf7441bea159334f3080cfe8e7acec540aa996ff0

Download Submit
memory/2108-11-0x0000000000CF0000-0x0000000000D07000-memory.dmp

Filesize
92KB

Download
memory/2108-17-0x0000000000CF0000-0x0000000000D07000-memory.dmp

Filesize
92KB

Download
memory/2808-0-0x0000000000C60000-0x0000000000C77000-memory.dmp

Filesize
92KB

Download
memory/2808-9-0x0000000000C60000-0x0000000000C77000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads