f7fffac86b4d3d50399085941671abd7070211cec65eccb57386ed69c2424aff

General

Target

551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe
Size

509KB
MD5

551d4634dfda4514996a2a362fd817be
SHA1

f4568d3850b9f8ec996658b60d3a5b5dea1be90f
SHA256

f7fffac86b4d3d50399085941671abd7070211cec65eccb57386ed69c2424aff
SHA512

427d8f12f8ff9951569b9d3ef485175c452c2df80576955871a2187b2d153dad33804e40517e373a92c8711bfe7503267ad06a40b8bda81490e52f67cec6da7d
SSDEEP

12288:MpQN/7w3W2uyQOxwiAhZCgLPdlSS8FwlC9:MiNz+/93xMi4nSS8F

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1624	Tmp_.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Oiht400.dll	551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Oiht400.dll	551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Mkopg.exe	551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\Mkopg.exe	551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe

Drops file in Program Files directory 17 IoCs

description	ioc	Process
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ClickToRun\MavInject32.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ink\TabTip.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\OFFICE16\LICLUA.EXE	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeC2RClient.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ClickToRun\OfficeClickToRun.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ink\mip.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ClickToRun\AppVShNotify.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\7-Zip\7z.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zFM.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\7-Zip\7zG.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\7-Zip\Uninstall.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe	Tmp_.exe
File opened for modification	\??\c:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe	Tmp_.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\winstart.bat	551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe
File opened for modification	C:\Windows\winstart.bat	551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe
File opened for modification	C:\Windows\winstart.bat	Tmp_.exe
File created	C:\Windows\winstart.bat	Tmp_.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 2 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	551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Tmp_.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3556 wrote to memory of 1624	3556	551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe	87
PID 3556 wrote to memory of 1624	3556	551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe	87
PID 3556 wrote to memory of 1624	3556	551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\551d4634dfda4514996a2a362fd817be_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\TEMP\Tmp_.exe
  "C:\Windows\TEMP\Tmp_.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Temp\Tmp_.exe

Filesize
510KB

MD5
f3b80591f50c134d12b75b290c3ae7ed

SHA1
8c05d0b4731ea42e84c79ccc1dd4f342aadbbe95

SHA256
bf4da793eea1979b1f2d0f7702eecd8845e0741fb1bd9896ddacd0e8bb355d6f

SHA512
6a2e554f797b513410d18d1974ef15e61ee9a361e5aa44ba28c276b42b26abf233e4d458272f0a22904778b1d5df5435cac9e35c8ddda789d21826bc2042b58c

Download Submit
C:\Windows\winstart.bat

Filesize
424B

MD5
7395405494747c55e1e8e8b06e85d5c7

SHA1
2fb997a95ba8ef5b8e7121c5e703b3dd0678e40a

SHA256
40bc16d6ecf2ad1a8fc4da9367e8dd52592b476e4af5115507ca0257daa57778

SHA512
feeae481ae7dad981786e876cdd594bb20ae6dea3bfc6e48fc91c72ca915afff006b690d151ec9f9e5d2f4d648950c497a3cb48e7b66259783f32cba7a251bc7

Download Submit
memory/1624-22-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/1624-18-0x0000000000520000-0x0000000000521000-memory.dmp

Filesize
4KB

Download
memory/1624-21-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1624-23-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1624-29-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1624-32-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1624-34-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1624-35-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1624-38-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/3556-17-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/3556-0-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download

Analysis

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