e00d1ec771160c0f401397f8287126591033d2cb52022db3daee1f97aba33063

General

Target

3e2a921ef960c41f53fd258e8acfbdc7_JaffaCakes118.exe
Size

28KB
MD5

3e2a921ef960c41f53fd258e8acfbdc7
SHA1

65fe05319f75496dcc700a4fd6f2873cb3b9fc7b
SHA256

e00d1ec771160c0f401397f8287126591033d2cb52022db3daee1f97aba33063
SHA512

f25cb061de19f15a755f9d6ca5e8d8b17c85db67d7f96350344d6554fce782289bf3b84fdaaece3d0c6116ea5f5354827d7035a7972873f830e6e269b11f4ea8
SSDEEP

768:Gu1olhnh/hz2Fs4Iwpn+RgCE37m0dtZ4d01HryV7R:D1GZF9scCnnN3jv1Lg7

Score

6^/10

discovery persistence upx

Malware Config

Signatures

Adds Run key to start application 2 TTPs 2 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\.nvsvc = "C:\\Windows\\system\\smss.exe /w"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\.nvsvc = "C:\\Windows\\system\\smss.exe /w"	3e2a921ef960c41f53fd258e8acfbdc7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1644 set thread context of 3028	1644	3e2a921ef960c41f53fd258e8acfbdc7_JaffaCakes118.exe	30

UPX packed file 16 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1644-0-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/3028-3-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/3028-5-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-6-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-11-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-12-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-13-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-14-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-15-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-16-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-17-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-18-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-19-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-20-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-21-0x0000000000400000-0x0000000000415000-memory.dmp	upx
behavioral1/memory/1644-22-0x0000000000400000-0x0000000000415000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\system\smss.exe	svchost.exe
File opened for modification	C:\Windows\system\smss.exe	svchost.exe
File opened for modification	C:\Windows\system\smss.exe	3e2a921ef960c41f53fd258e8acfbdc7_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	3e2a921ef960c41f53fd258e8acfbdc7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 3028	1644	3e2a921ef960c41f53fd258e8acfbdc7_JaffaCakes118.exe	30
PID 1644 wrote to memory of 3028	1644	3e2a921ef960c41f53fd258e8acfbdc7_JaffaCakes118.exe	30
PID 1644 wrote to memory of 3028	1644	3e2a921ef960c41f53fd258e8acfbdc7_JaffaCakes118.exe	30
PID 1644 wrote to memory of 3028	1644	3e2a921ef960c41f53fd258e8acfbdc7_JaffaCakes118.exe	30
PID 1644 wrote to memory of 3028	1644	3e2a921ef960c41f53fd258e8acfbdc7_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\3e2a921ef960c41f53fd258e8acfbdc7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3e2a921ef960c41f53fd258e8acfbdc7_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:3028

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

memory/1644-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-22-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-6-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-21-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-20-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1644-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3028-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3028-1-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3028-5-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads