4a22f7d56187c15f9c0c4f9095ec492a9fd9665d5b1cca6ef622b8a5408ca85d

General

Target

01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe
Size

784KB
MD5

01de5e9dbc993f430a951b15ae2f0340
SHA1

ee1547a4557a08f706d6a741abfd32b172b21652
SHA256

4a22f7d56187c15f9c0c4f9095ec492a9fd9665d5b1cca6ef622b8a5408ca85d
SHA512

594a523566f16f2b5d3790db9dbff813b2c2b6d2fc1bb49e1b1c603d47259b50fffc697ce19f9e2f339deca1c3ae90e91762e195b4b8c5379054fa8985dce77a
SSDEEP

12288:rbpHYUKy5U1bo9t8DMRSW9vbciUiLuAvOxMt11i27Qitj4:r5sJo6YrFUiyAak11Ltj4

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2052	svchest000.exe

Adds Run key to start application 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\Run\Kris = "C:\\Users\\Admin\\AppData\\Local\\Temp\\01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe"	01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

pid	Process
2480	01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe
2052	svchest000.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2480-0-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2480-1-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/files/0x0008000000016cf0-7.dat	upx
behavioral1/memory/2052-10-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2052-12-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2052-14-0x0000000000400000-0x0000000000597000-memory.dmp	upx
behavioral1/memory/2480-15-0x0000000000400000-0x0000000000597000-memory.dmp	upx

Drops file in Windows directory 4 IoCs

description	ioc	Process
File opened for modification	\??\c:\Windows\svchest000.exe	01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe
File created	\??\c:\Windows\BJ.exe	01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe
File opened for modification	\??\c:\Windows\BJ.exe	01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe
File created	\??\c:\Windows\svchest000.exe	01de5e9dbc993f430a951b15ae2f0340_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	svchest000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2480 wrote to memory of 2052	2480	01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe	30
PID 2480 wrote to memory of 2052	2480	01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe	30
PID 2480 wrote to memory of 2052	2480	01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe	30
PID 2480 wrote to memory of 2052	2480	01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\01de5e9dbc993f430a951b15ae2f0340_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2480
- \??\c:\Windows\svchest000.exe
  c:\Windows\svchest000.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  PID:2052

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:\Windows\svchest000.exe

Filesize
784KB

MD5
01de5e9dbc993f430a951b15ae2f0340

SHA1
ee1547a4557a08f706d6a741abfd32b172b21652

SHA256
4a22f7d56187c15f9c0c4f9095ec492a9fd9665d5b1cca6ef622b8a5408ca85d

SHA512
594a523566f16f2b5d3790db9dbff813b2c2b6d2fc1bb49e1b1c603d47259b50fffc697ce19f9e2f339deca1c3ae90e91762e195b4b8c5379054fa8985dce77a

Download Submit
memory/2052-10-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2052-12-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2052-14-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2480-0-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2480-1-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download
memory/2480-15-0x0000000000400000-0x0000000000597000-memory.dmp

Filesize
1.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads