c54f41b90d6cbfa8a8590423642daad2d9804ec8d8cf03a27e2ef4cd1c8b7fbe

General

Target

2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe
Size

3.8MB
MD5

2fd4b0ca4c98b737c59da79e1a59f4d0
SHA1

5eff241c9499924963e6e8034e4a86946991ba85
SHA256

c54f41b90d6cbfa8a8590423642daad2d9804ec8d8cf03a27e2ef4cd1c8b7fbe
SHA512

d210736b5e7ad586154651d252d0c0b871073bdeab683ffa618a39db73d9f58e7de1aa8da67457c2acdfce8d99e361ca3e1dd9309da8319f27c5e576446eae0f
SSDEEP

98304:/SjSLLHz89pCdxkeQv+LT7trNfnxpApzenk7O:/SFIG+ZhZpA9hq

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 3 IoCs

pid	Process
2228	~DPC5EE.exe
2568	~DPC65C.exe
2288	winlogon.exe

Loads dropped DLL 6 IoCs

pid	Process
2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe
2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe
2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe
2568	~DPC65C.exe
2568	~DPC65C.exe
2568	~DPC65C.exe

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\winlogon = "C:\\Users\\Admin\\AppData\\Local\\Temp\\~DPC5EE.exe"	~DPC5EE.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\winlogon = "C:\\Windows\\winlogon.exe"	winlogon.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000600000001926b-12.dat	upx
behavioral1/memory/2568-17-0x0000000000400000-0x000000000042C000-memory.dmp	upx
behavioral1/memory/2568-33-0x0000000000400000-0x000000000042C000-memory.dmp	upx
behavioral1/memory/2568-36-0x0000000000400000-0x000000000042C000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\winlogon.exe	~DPC5EE.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 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	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	~DPC5EE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	~DPC65C.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlogon.exe

Modifies registry class 1 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000_CLASSES\MSKRTLR = e80700000a0000000a000000000000001b00000004000000	winlogon.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
2228	~DPC5EE.exe
2228	~DPC5EE.exe
2228	~DPC5EE.exe
2228	~DPC5EE.exe
2228	~DPC5EE.exe
2228	~DPC5EE.exe
2288	winlogon.exe
2288	winlogon.exe
2288	winlogon.exe
2288	winlogon.exe
2288	winlogon.exe
2288	winlogon.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2568	~DPC65C.exe
2568	~DPC65C.exe
2568	~DPC65C.exe
2568	~DPC65C.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 2228	2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe	30
PID 2456 wrote to memory of 2228	2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe	30
PID 2456 wrote to memory of 2228	2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe	30
PID 2456 wrote to memory of 2228	2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe	30
PID 2456 wrote to memory of 2568	2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe	31
PID 2456 wrote to memory of 2568	2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe	31
PID 2456 wrote to memory of 2568	2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe	31
PID 2456 wrote to memory of 2568	2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe	31
PID 2456 wrote to memory of 2568	2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe	31
PID 2456 wrote to memory of 2568	2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe	31
PID 2456 wrote to memory of 2568	2456	2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe	31
PID 2228 wrote to memory of 2288	2228	~DPC5EE.exe	32
PID 2228 wrote to memory of 2288	2228	~DPC5EE.exe	32
PID 2228 wrote to memory of 2288	2228	~DPC5EE.exe	32
PID 2228 wrote to memory of 2288	2228	~DPC5EE.exe	32

C:\Users\Admin\AppData\Local\Temp\2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2fd4b0ca4c98b737c59da79e1a59f4d0_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2456
- C:\Users\Admin\AppData\Local\Temp\~DPC5EE.exe
  "C:\Users\Admin\AppData\Local\Temp\~DPC5EE.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2228
- - C:\Windows\winlogon.exe
    C:\Windows\winlogon.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    PID:2288
- C:\Users\Admin\AppData\Local\Temp\~DPC65C.exe
  "C:\Users\Admin\AppData\Local\Temp\~DPC65C.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2568

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

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\~DPC5EE.exe

Filesize
120KB

MD5
7de4d379ef630e064788ebd8f7a62fca

SHA1
84e672f7bf9224a0f52518c93226c027a2465b25

SHA256
152958ed713f7f7b2bf5e49165425c87a867c8d23c7ca874e5a6e0a629436395

SHA512
b60c420d143853b0b1bcc63e235f3c6018b8db77cb2b709fa0faffe7b31640a51c842b9fd797511eb19dde0bbd7b0e91cdda908026ae520be64da6184cb2fbbb

Download Submit
\Users\Admin\AppData\Local\Temp\~DPC65C.exe

Filesize
3.6MB

MD5
02179af0725062fada76dc9f2f58e629

SHA1
64c92392e72ffb3740081a96983966e8ef52c84a

SHA256
82133b9c92dc054457669d645e380483bb3a12b7d5d36d37b2efe570ff25a41e

SHA512
5f70cfa32388f322bee038892a88fa20b2e7d1e0c80cd8300417e8c104ca28408845d4142129b9035e0bc9f26568a450712ef0c3170837c850c6f9ee8dcc18d7

Download Submit
memory/2228-31-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2228-29-0x0000000000230000-0x0000000000276000-memory.dmp

Filesize
280KB

Download
memory/2288-32-0x0000000000400000-0x0000000000446000-memory.dmp

Filesize
280KB

Download
memory/2456-4-0x00000000029A0000-0x00000000029E6000-memory.dmp

Filesize
280KB

Download
memory/2456-14-0x00000000029B0000-0x00000000029DC000-memory.dmp

Filesize
176KB

Download
memory/2456-18-0x0000000000400000-0x00000000007CB000-memory.dmp

Filesize
3.8MB

Download
memory/2568-17-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2568-33-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/2568-36-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads