d9bd8c9bf4ce14cabf9375a8cf3f6e3f2a1fc20185b63c0a6863eb05441feb98

General

Target

63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe
Size

21KB
MD5

63fa0dc4429e59eb8a370e0992962958
SHA1

d3a573a466dad1eaab0d68c7d9272d8bfe7f33dd
SHA256

d9bd8c9bf4ce14cabf9375a8cf3f6e3f2a1fc20185b63c0a6863eb05441feb98
SHA512

381b615fb980913d18e460b720b27a52cc1737a2523fe76b186387f8959db858d4a09eca6ebe48922f291c1c747f8dc92616d1c4b4f3f4b65d394e420eb76765
SSDEEP

384:xtmhqUNnSObO56sMzRgKUdctWIp1RYYUksezm73gFxyu/D3q:WhqUNSObOsPMEFSjbevq

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

sysxp.exe

pid process

2900 sysxp.exe
Loads dropped DLL 2 IoCs

Processes:

63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe

pid process

1992 63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe
1992 63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe

pid	process
2900	sysxp.exe

pid	process
1992	63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe
1992	63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1992-0-0x0000000000400000-0x000000000040F502-memory.dmp	upx
\Windows\SysWOW64\sysxp.exe	upx
behavioral1/memory/1992-5-0x0000000000530000-0x0000000000540000-memory.dmp	upx
behavioral1/memory/1992-13-0x0000000000400000-0x000000000040F502-memory.dmp	upx
behavioral1/memory/2900-14-0x0000000000400000-0x000000000040F502-memory.dmp	upx
behavioral1/memory/2900-17-0x0000000000400000-0x000000000040F502-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exesysxp.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\key = "C:\\Windows\\system32\\sysxp.exe"	63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Windows\CurrentVersion\Run\key = "C:\\Windows\\system32\\sysxp.exe"	sysxp.exe

Drops file in System32 directory 4 IoCs

Processes:

sysxp.exe63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe

description	ioc	process
File created	C:\Windows\SysWOW64\sysxp.exe	sysxp.exe
File opened for modification	C:\Windows\SysWOW64\sysxp.exe	63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\sysxp.exe	63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\sysxp.exe	sysxp.exe

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

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exesysxp.exe

description pid process

Token: SeDebugPrivilege 1992 63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe
Token: SeDebugPrivilege 2900 sysxp.exe

description	pid	process
Token: SeDebugPrivilege	1992	63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe
Token: SeDebugPrivilege	2900	sysxp.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe

description	pid	process	target process
PID 1992 wrote to memory of 2900	1992	63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe	sysxp.exe
PID 1992 wrote to memory of 2900	1992	63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe	sysxp.exe
PID 1992 wrote to memory of 2900	1992	63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe	sysxp.exe
PID 1992 wrote to memory of 2900	1992	63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe	sysxp.exe

C:\Users\Admin\AppData\Local\Temp\63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\63fa0dc4429e59eb8a370e0992962958_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\SysWOW64\sysxp.exe
"C:\Windows\system32\sysxp.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
PID:2900

MITRE ATT&CK Matrix ATT&CK v13

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 Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

\Windows\SysWOW64\sysxp.exe
Filesize
21KB

MD5
63fa0dc4429e59eb8a370e0992962958

SHA1
d3a573a466dad1eaab0d68c7d9272d8bfe7f33dd

SHA256
d9bd8c9bf4ce14cabf9375a8cf3f6e3f2a1fc20185b63c0a6863eb05441feb98

SHA512
381b615fb980913d18e460b720b27a52cc1737a2523fe76b186387f8959db858d4a09eca6ebe48922f291c1c747f8dc92616d1c4b4f3f4b65d394e420eb76765

Download Submit
memory/1992-0-0x0000000000400000-0x000000000040F502-memory.dmp

Filesize
61KB

Download
memory/1992-5-0x0000000000530000-0x0000000000540000-memory.dmp

Filesize
64KB

Download
memory/1992-13-0x0000000000400000-0x000000000040F502-memory.dmp

Filesize
61KB

Download
memory/2900-14-0x0000000000400000-0x000000000040F502-memory.dmp

Filesize
61KB

Download
memory/2900-17-0x0000000000400000-0x000000000040F502-memory.dmp

Filesize
61KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads