bf5544a581a28a9d087e1433942c5f7d795159e94b6bbd57e123d12ca9efef7c

General

Target

ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
Size

136KB
MD5

ef31db485b286c40abef2665b9c1a367
SHA1

e827428f5605104003f3e2dd35f959b22946ae65
SHA256

bf5544a581a28a9d087e1433942c5f7d795159e94b6bbd57e123d12ca9efef7c
SHA512

ddd1c7205b8fddb59b50467df8ca1ca427a49df83bd5b86ba241e653c873ccf71edba437ae9dce476dedc1abe04412d07778315186982b236df57f0f015f40cd
SSDEEP

3072:KRauDEef20RIcdaDTdj1ShUxu22K87UdEPf66u/yMr:TuD/uh1Shaf277UO66uN

Score

10^/10

discovery evasion persistence trojan

Malware Config

Signatures

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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
3716	svchost.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\Mshost Manager = "C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe"	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\GrpConv = "grpconv -o"	Rundll32.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	ef31db485b286c40abef2665b9c1a367_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 6 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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	grpconv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	runonce.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0	runonce.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	runonce.exe

Modifies Internet Explorer settings 1 TTPs 7 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Internet Explorer\Main	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Internet Explorer\Main\Use FormSuggest = "yes"	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
Key created	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Use FormSuggest = "yes"	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Disable Script Debugger = "yes"	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\DisableScriptDebuggerIE = "yes"	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Error Dlg Displayed On Every Error = "no"	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\1601 = "0"	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
3716	svchost.exe
3716	svchost.exe
3716	svchost.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 4776	4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe	83
PID 4040 wrote to memory of 4776	4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe	83
PID 4040 wrote to memory of 4776	4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe	83
PID 4776 wrote to memory of 1672	4776	Rundll32.exe	84
PID 4776 wrote to memory of 1672	4776	Rundll32.exe	84
PID 4776 wrote to memory of 1672	4776	Rundll32.exe	84
PID 4040 wrote to memory of 3716	4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe	85
PID 4040 wrote to memory of 3716	4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe	85
PID 4040 wrote to memory of 3716	4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe	85
PID 4040 wrote to memory of 1076	4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe	86
PID 4040 wrote to memory of 1076	4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe	86
PID 4040 wrote to memory of 1076	4040	ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe	86
PID 1672 wrote to memory of 1356	1672	runonce.exe	88
PID 1672 wrote to memory of 1356	1672	runonce.exe	88
PID 1672 wrote to memory of 1356	1672	runonce.exe	88

C:\Users\Admin\AppData\Local\Temp\ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ef31db485b286c40abef2665b9c1a367_JaffaCakes118.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Adds Run key to start application
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Windows\SysWOW64\Rundll32.exe
  Rundll32.exe setupapi,InstallHinfSection DefaultInstall 128 C:\Users\Admin\AppData\Roaming\driver.inf
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4776
- - C:\Windows\SysWOW64\runonce.exe
    "C:\Windows\system32\runonce.exe" -r
    3⤵
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:1672
  - - C:\Windows\SysWOW64\grpconv.exe
      "C:\Windows\System32\grpconv.exe" -o
      4⤵
      System Location Discovery: System Language Discovery
      PID:1356
- C:\Users\Admin\AppData\Roaming\svchost.exe
  C:\Users\Admin\AppData\Roaming\svchost.exe -sysrun
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3716
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\QMftQA73.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1076

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

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

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

C:\Users\Admin\AppData\Roaming\QMftQA73.bat

Filesize
218B

MD5
98f14f8ca35b5480969efb704f5f3be6

SHA1
14ffdb1292f0d7bdb02e83d7ceab96b20cafc95b

SHA256
79783a33f5fc554990692d3a348bf14204261d61f7c81e725b114b2dbb1a0df7

SHA512
3bfa66d9f55c601ff2bbd210aafc37083084265c646a05a44dba9e3a8bb80c2be9bae37cdbd7204b27a6d7277d92267b6706e5a9c14a266f29686788511a8457

Download Submit
C:\Users\Admin\AppData\Roaming\driver.inf

Filesize
412B

MD5
56b521a68a5b98cc830de8ab0cbb48b9

SHA1
336c2b765a93c69ee55333fb249ec563c03dac40

SHA256
ef827ec876517a13b5e23fc2e60e75bf68ec28c7126167d2c6df873ca9fb622b

SHA512
fee995c76ec5c4a2bd0a6ff0fd983dcf69755a191394d1524e2969a22c725522cc9f19b64193d90fb8a4a4d5d4a79d03f110f45bf8c8b043cfd56a7f8b00d6a9

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
136KB

MD5
ef31db485b286c40abef2665b9c1a367

SHA1
e827428f5605104003f3e2dd35f959b22946ae65

SHA256
bf5544a581a28a9d087e1433942c5f7d795159e94b6bbd57e123d12ca9efef7c

SHA512
ddd1c7205b8fddb59b50467df8ca1ca427a49df83bd5b86ba241e653c873ccf71edba437ae9dce476dedc1abe04412d07778315186982b236df57f0f015f40cd

Download Submit
memory/3716-29-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/3716-17-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4040-4-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4040-3-0x0000000000401000-0x0000000000417000-memory.dmp

Filesize
88KB

Download
memory/4040-0-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4040-2-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4040-24-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4040-25-0x00000000021C0000-0x00000000021EC000-memory.dmp

Filesize
176KB

Download
memory/4040-26-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/4040-1-0x00000000021C0000-0x00000000021EC000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads