09a0df4265ab25ff561a3cec1dbe6fa3dab812b5fd08ff679de5376ae31daa30

General

Target

785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe
Size

489KB
MD5

785c608c1b13155ecf6ee9e4e655a217
SHA1

d31d940ffc0fcca86489ed2bffc61ad7aaf2a712
SHA256

09a0df4265ab25ff561a3cec1dbe6fa3dab812b5fd08ff679de5376ae31daa30
SHA512

fc090be86db39c53c956f41e9e97bbc0336d7ed286cfa3f06ad2d9c5cc3549aa540ed9552a3df5e15f344bf051e95be65f664af1051f85729313b2e313c1bd09
SSDEEP

3072:dHuMOcSChBy3XP6GT50YkcD+0EHQgYgNUeTcOcRU69fH9cEl3:dHicSChoXt3i0EH9Umvufnl

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Adds policy Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\594CYAUY0P85 = "C:\\Users\\Admin\\AppData\\Roaming\\AYBM55KE.exe"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\run	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\594CYAUY0P85 = "C:\\Users\\Admin\\AppData\\Roaming\\AYBM55KE.exe"	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2832	svchost.exe

Loads dropped DLL 2 IoCs

pid	Process
2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe
2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2832-11-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2832-14-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2832-18-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2832-15-0x0000000000400000-0x000000000041E000-memory.dmp	upx
behavioral1/memory/2832-22-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\594CYAUY0P85 = "C:\\Users\\Admin\\AppData\\Roaming\\AYBM55KE.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\mortalkr.exe\""	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\594CYAUY0P85 = "C:\\Users\\Admin\\AppData\\Roaming\\AYBM55KE.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2700 set thread context of 2832	2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe	30

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	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2832	svchost.exe
2832	svchost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2832	2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2832	2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2832	2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2832	2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2832	2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2832	2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2832	2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2832	2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe	30
PID 2700 wrote to memory of 2832	2700	785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\785c608c1b13155ecf6ee9e4e655a217_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2700
- C:\Users\Admin\AppData\Roaming\svchost.exe
  C:\Users\Admin\AppData\Roaming\svchost.exe
  2⤵
  - Adds policy Run key to start application
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2832

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

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

\Users\Admin\AppData\Roaming\svchost.exe

Filesize
1KB

MD5
2c16ef011bcc28c622d4d0b969f5abc3

SHA1
d267d7f1467d45e3cba6388437d444816742b721

SHA256
aa6a46a102fec7aa0fca5060c6ea7d5eb6b6f4278117c95f02ce5148a1960a0d

SHA512
1424d6f1f4313d0a63c5a8dd269f666782d922a07538bf15033c83d793b57c0221bf691bdf90d52e149077eadef09b2a1d70dbd0408b0325f9613299d3b9e979

Download Submit
memory/2700-0-0x00000000742A1000-0x00000000742A2000-memory.dmp

Filesize
4KB

Download
memory/2700-1-0x00000000742A0000-0x000000007484B000-memory.dmp

Filesize
5.7MB

Download
memory/2700-2-0x00000000742A0000-0x000000007484B000-memory.dmp

Filesize
5.7MB

Download
memory/2700-21-0x00000000742A0000-0x000000007484B000-memory.dmp

Filesize
5.7MB

Download
memory/2832-11-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2832-14-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2832-18-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2832-15-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2832-22-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads