d30a1f969c46054f3a0b1bf99b4fd4abb37b401755931b4dcb35c1d8d1cf7e98

General

Target

d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe
Size

410KB
MD5

d701759122bb3dfb8c0335e9398ad6c0
SHA1

16fdc67a4a8d6c84f41b4921c1d41a92adaf4894
SHA256

d30a1f969c46054f3a0b1bf99b4fd4abb37b401755931b4dcb35c1d8d1cf7e98
SHA512

31bfc5c04a0c357652d03405be481ed19feef04dea0410593e7b5ceda75fd580369be2c96f4786e15182f39730464dc6a7a553e5f65814e1219a4693e878d781
SSDEEP

12288:SnNhuBoY8SorxgmA+nlvVlyMLl/hdID9QFR4U:SPatCg7EP8MxJdGU

Score

10^/10

discovery evasion persistence upx

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe csrcs.exe"	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\Run\csrcs = "C:\\Windows\\system32\\csrcs.exe"	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1432	csrcs.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5084-0-0x0000000000400000-0x0000000000492000-memory.dmp	upx
behavioral2/files/0x0003000000022a85-13.dat	upx
behavioral2/memory/1432-82-0x0000000000400000-0x0000000000492000-memory.dmp	upx
behavioral2/memory/5084-86-0x0000000000400000-0x0000000000492000-memory.dmp	upx

AutoIT Executable 2 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/1432-82-0x0000000000400000-0x0000000000492000-memory.dmp	autoit_exe
behavioral2/memory/5084-86-0x0000000000400000-0x0000000000492000-memory.dmp	autoit_exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\csrcs.exe	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\csrcs.exe	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.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 7 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4292	PING.EXE
3504	PING.EXE
3052	PING.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
3504	PING.EXE
3052	PING.EXE
4292	PING.EXE

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe
5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe
5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe
5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe
5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe
5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe
1432	csrcs.exe
1432	csrcs.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 5084 wrote to memory of 1432	5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe	86
PID 5084 wrote to memory of 1432	5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe	86
PID 5084 wrote to memory of 1432	5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe	86
PID 1432 wrote to memory of 4836	1432	csrcs.exe	88
PID 1432 wrote to memory of 4836	1432	csrcs.exe	88
PID 1432 wrote to memory of 4836	1432	csrcs.exe	88
PID 4836 wrote to memory of 3504	4836	cmd.exe	90
PID 4836 wrote to memory of 3504	4836	cmd.exe	90
PID 4836 wrote to memory of 3504	4836	cmd.exe	90
PID 5084 wrote to memory of 3600	5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe	91
PID 5084 wrote to memory of 3600	5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe	91
PID 5084 wrote to memory of 3600	5084	d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe	91
PID 3600 wrote to memory of 3052	3600	cmd.exe	93
PID 3600 wrote to memory of 3052	3600	cmd.exe	93
PID 3600 wrote to memory of 3052	3600	cmd.exe	93
PID 4836 wrote to memory of 4292	4836	cmd.exe	98
PID 4836 wrote to memory of 4292	4836	cmd.exe	98
PID 4836 wrote to memory of 4292	4836	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d701759122bb3dfb8c0335e9398ad6c0_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Modifies visiblity of hidden/system files in Explorer
- Adds policy Run key to start application
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Windows\SysWOW64\csrcs.exe
  "C:\Windows\System32\csrcs.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1432
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\suicide.bat
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4836
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 5 -w 250 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:3504
  - - C:\Windows\SysWOW64\PING.EXE
      ping -n 5 -w 250 127.0.0.1
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4292
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\suicide.bat
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3600
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 5 -w 250 127.0.0.1
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:3052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\qlturct

Filesize
85KB

MD5
1bf72d0ccacc1d255a81fb818ec81362

SHA1
d955fb43503ea99c48c25455e39d4ff42f2296d2

SHA256
bd6413e3964d191cdf0e0abf7b02ee565e732ab8e2b53fca6c44790562de6c7b

SHA512
ef2e985193293725198eb3fc3f73743d435f4b67db2741edc0eccb555fe96bbdd33fcacd2eb8cc2ea35ebfd7d7bcb6be4b616f421a60c534602a250e75ddd55a

Download Submit
C:\Users\Admin\AppData\Local\Temp\suicide.bat

Filesize
141B

MD5
9d7ddbc6c331aefed77908f803fca1e5

SHA1
d36afa796236730342b216f083c68a39227c13bf

SHA256
19f0453504f36aef7d207f11345ed203440a3a8dd1594df1aa072b2f4eeb39bf

SHA512
014c7cb15ec0bfc96e1f5b5a66b0bba9b87440256d0e8d9106cef8c4d2f1d244a3063a7abb847957310b2e0c9db466291851d7bb2ff8e6b50e0b9ad907b9b54c

Download Submit
C:\Users\Admin\AppData\Local\Temp\suicide.bat

Filesize
251B

MD5
fd54ca55bdcf7d9ae2259d47e294da03

SHA1
e42c53623bc6004f2a1dd5f611dc40a12279a9e5

SHA256
ea6e5f9779026dcddae2ae30bc9334baf81a6a03e3a6f89938918e37d4ec3122

SHA512
48cdf15a9bcb4b952551f619a39ddb6596ed0e53d8e3ec1daa29545b3a979faf7d5ce1f4f4c5b01baf6e660b8bb5db48e5143798ca7e19b8c4fd2ab2f47cc0ad

Download Submit
C:\Windows\SysWOW64\csrcs.exe

Filesize
410KB

MD5
d701759122bb3dfb8c0335e9398ad6c0

SHA1
16fdc67a4a8d6c84f41b4921c1d41a92adaf4894

SHA256
d30a1f969c46054f3a0b1bf99b4fd4abb37b401755931b4dcb35c1d8d1cf7e98

SHA512
31bfc5c04a0c357652d03405be481ed19feef04dea0410593e7b5ceda75fd580369be2c96f4786e15182f39730464dc6a7a553e5f65814e1219a4693e878d781

Download Submit
memory/1432-82-0x0000000000400000-0x0000000000492000-memory.dmp

Filesize
584KB

Download
memory/5084-0-0x0000000000400000-0x0000000000492000-memory.dmp

Filesize
584KB

Download
memory/5084-86-0x0000000000400000-0x0000000000492000-memory.dmp

Filesize
584KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads