baed88d2ceea070e9f65784faa728b2a499295e3103f7511b2a3362344045104

General

Target

00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe
Size

166KB
MD5

00ded4112ab4fdeeb6f23b35f3b4094b
SHA1

88e39c4990d20d00124121cba14af7c8b457ee4a
SHA256

baed88d2ceea070e9f65784faa728b2a499295e3103f7511b2a3362344045104
SHA512

b5b312a8204d57d8fa689f61ae571bff8a8c87694979ed3351880f5b3d19c9047eaeaeb5aec2a63261bf9365a145196752617cdeaca9655b0fb9c1fdb65f0071
SSDEEP

3072:6KcWmjRrzDTY7skXrM2rc1ZCRmR3qbRqC3lawdJ2mDwgp4UlCBY9l:5cTYFAC2GRNIwdJjDZBCBY/

Score

7^/10

discovery persistence spyware stealer upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2640	yBfmz9NhIWMvDLM.exe
2728	CTS.exe

Loads dropped DLL 1 IoCs

pid	Process
2060	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2060-1-0x0000000001140000-0x0000000001157000-memory.dmp	upx
behavioral1/files/0x0007000000019244-12.dat	upx
behavioral1/memory/2728-14-0x0000000000CC0000-0x0000000000CD7000-memory.dmp	upx
behavioral1/memory/2060-11-0x0000000001140000-0x0000000001157000-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"	00ded4112ab4fdeeb6f23b35f3b4094b_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	CTS.exe
File created	C:\Windows\CTS.exe	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.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	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2060	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe
Token: SeDebugPrivilege	2728	CTS.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2060 wrote to memory of 2640	2060	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe	30
PID 2060 wrote to memory of 2640	2060	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe	30
PID 2060 wrote to memory of 2640	2060	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe	30
PID 2060 wrote to memory of 2640	2060	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe	30
PID 2060 wrote to memory of 2728	2060	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe	31
PID 2060 wrote to memory of 2728	2060	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe	31
PID 2060 wrote to memory of 2728	2060	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe	31
PID 2060 wrote to memory of 2728	2060	00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\00ded4112ab4fdeeb6f23b35f3b4094b_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- 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:2060
- C:\Users\Admin\AppData\Local\Temp\yBfmz9NhIWMvDLM.exe
  C:\Users\Admin\AppData\Local\Temp\yBfmz9NhIWMvDLM.exe
  2⤵
  - Executes dropped EXE
  PID:2640
- 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:2728

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\Temp\yBfmz9NhIWMvDLM.exe

Filesize
140KB

MD5
1793928d1c8daf03a8b67a60a0ffbd93

SHA1
c777c5be2321bf493877efef590eec8c822e2072

SHA256
84a2bb3191f370ba456dd8637e08cd47ef1c80a54d081881cd1e16a8c67f0238

SHA512
64ef94fb34b637c5d40878f4d3b0db7f2d74e89be35fca959ee9354cdf8f5bd61d90e8aa1ff795ddafe60ba5d1a0d4b57c41b1bf8750d24d685aa98f4142c11a

Download Submit
C:\Windows\CTS.exe

Filesize
26KB

MD5
286211b8e0aad0533c45d8b8c351cc70

SHA1
cb54a305a566c00742fb972c4ee62266e880ea78

SHA256
1955407b2fd523e375303d560b987216b95105b421a8471218c0b65ceba847f3

SHA512
91eddd484a40aee3a7a9254fd6843b3d9dd455e6a2c4d685d499ab1704d8644a6dc604ad14449e96b0754ae3e6c1c14c16d068605aa4e39840e0421aa7a4be35

Download Submit
memory/2060-1-0x0000000001140000-0x0000000001157000-memory.dmp

Filesize
92KB

Download
memory/2060-11-0x0000000001140000-0x0000000001157000-memory.dmp

Filesize
92KB

Download
memory/2640-17-0x000007FEF5823000-0x000007FEF5824000-memory.dmp

Filesize
4KB

Download
memory/2640-18-0x0000000000CD0000-0x0000000000CF8000-memory.dmp

Filesize
160KB

Download
memory/2640-19-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

Filesize
9.9MB

Download
memory/2728-14-0x0000000000CC0000-0x0000000000CD7000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads