9804af4cc1f6c7c3ab29d53e5281321328e8b92b067ac47ef1f6e3cca8e206c1

General

Target

a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
Size

15KB
MD5

a7030c351afe3f39bb833818d552cfb6
SHA1

d54a37e3dfb07c17345a97ecf85d5659de1bea5e
SHA256

9804af4cc1f6c7c3ab29d53e5281321328e8b92b067ac47ef1f6e3cca8e206c1
SHA512

3175245d58f960701b006a8d4411313906d9ab39aa9109251ea048a117ced586d35b0ea7e16b5b240cd0117dff656d744ac259364ab827f98ebd7be751dc7874
SSDEEP

384:Xuf1IbgVUAhI5gDQx73Z3LguBHTPLD9HpUX2y1UeNNnB:IdOAhIKY3JLzn9ab6ebB

Score

10^/10

discovery persistence

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 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\ShellServiceObjectDelayLoad\lweurqhx.dll = "{71A78CD4-E470-4a18-8457-E0E0283DD507}"	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe

Loads dropped DLL 1 IoCs

pid	Process
1996	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\lweurqhx.tmp	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\lweurqhx.tmp	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\lweurqhx.nls	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe

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	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71A78CD4-E470-4a18-8457-E0E0283DD507}	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71A78CD4-E470-4a18-8457-E0E0283DD507}\InProcServer32	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71A78CD4-E470-4a18-8457-E0E0283DD507}\InProcServer32\ = "C:\\Windows\\SysWow64\\lweurqhx.dll"	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{71A78CD4-E470-4a18-8457-E0E0283DD507}\InProcServer32\ThreadingModel = "Apartment"	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1996	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
1996	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
1996	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
1996	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1996	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
1996	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
1996	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1996 wrote to memory of 4920	1996	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe	96
PID 1996 wrote to memory of 4920	1996	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe	96
PID 1996 wrote to memory of 4920	1996	a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe	96

C:\Users\Admin\AppData\Local\Temp\a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a7030c351afe3f39bb833818d552cfb6_JaffaCakes118.exe"
1⤵
- Adds autorun key to be loaded by Explorer.exe on startup
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\FCBF.tmp.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4920

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

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\Local\Temp\FCBF.tmp.bat

Filesize
207B

MD5
3c13198ff056640fdead988d91f5fd4a

SHA1
7ddd2774b6e01c0d6da01b327396e75eeac53245

SHA256
c7e574adb871fe37e4c0ff1a8a92cdb0b4833795201908d2f8f6dbab6eaf80ff

SHA512
2cb408084f523ee1e2979599d56a01da8787b04f6853e69613ecd5bef41226a2e69539a4d435d0d2a3203335ff9da55c469738b3345d0f479d5db48fc64852c7

Download Submit
C:\Windows\SysWOW64\lweurqhx.nls

Filesize
428B

MD5
34f32d4e6f8e661b78bffe712a7adf1b

SHA1
97b008a86e3147f4dfe2182dd806b34ba8257ea1

SHA256
40982c87e16912fb4e9f6bdf22a95d13cd9f1b2318614e755b1fab8fac589505

SHA512
5ff96453d7e41ce03c52fa3db0c09b8e91d4bf78cd675bdf61cadf4d9c72976b7333284c9f053cf65c522bdfc11ba3a86a9245f62263eab8da9e11e794707e83

Download Submit
C:\Windows\SysWOW64\lweurqhx.tmp

Filesize
882KB

MD5
8d0b24b7c3a7010e445af025f90d743e

SHA1
2545ece5bb06e003fdf3c7bf47feda8e24de319d

SHA256
3bc6b304685d0a3f48652b84d3edd75b71d775a8bb47b97a1cf45e952565bba5

SHA512
fc7cd18133936581bd23b8c165fb7a50375c56deca6e4054452c566cb18030f91ad1c70ae0ee8d558a83021220c4345e8ebce0588228f1c087a959c840e655ad

Download Submit
memory/1996-17-0x0000000020000000-0x0000000020009000-memory.dmp

Filesize
36KB

Download
memory/1996-21-0x0000000020000000-0x0000000020009000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads