717799cfdb68ccf5879c8ff7a39352f4a47998ceebb1851b56323e55404c5de7

General

Target

b98350258bbb1c4f0abbafb8e3486186_JaffaCakes118.exe
Size

326KB
MD5

b98350258bbb1c4f0abbafb8e3486186
SHA1

f5a9e9fc368ed0b2c8b423a8c84993bed035917d
SHA256

717799cfdb68ccf5879c8ff7a39352f4a47998ceebb1851b56323e55404c5de7
SHA512

11b432ffe06aaf1cc5acfb45b7e3104a815b77f0a4aeebfa737bd0784134fb4a513ab25ad5fb558504d4edaa305dd1e8f414922f619db28f9f6024a0a31ef7fa
SSDEEP

6144:foTmipaGKlEV+tZG0xa3NLKCy8eBbUxQRTJdB9K3yfl7UEyeoS+:f7ipaGeEaY1dL3ybBb5t59Iyt7v3oS

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5088	services

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1900-0-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/files/0x000b00000002343a-6.dat	upx
behavioral2/memory/5088-7-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/1900-9-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-10-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-11-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-13-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-14-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-15-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-16-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-17-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-18-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-20-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-21-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-22-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-23-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-24-0x0000000000400000-0x00000000004F0000-memory.dmp	upx
behavioral2/memory/5088-25-0x0000000000400000-0x00000000004F0000-memory.dmp	upx

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\MicrosoftWinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\spoolsv.exe"	reg.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\8222024113750.exe	b98350258bbb1c4f0abbafb8e3486186_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	b98350258bbb1c4f0abbafb8e3486186_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	services

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3764	reg.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5088	services

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 3764	1900	b98350258bbb1c4f0abbafb8e3486186_JaffaCakes118.exe	84
PID 1900 wrote to memory of 3764	1900	b98350258bbb1c4f0abbafb8e3486186_JaffaCakes118.exe	84
PID 1900 wrote to memory of 3764	1900	b98350258bbb1c4f0abbafb8e3486186_JaffaCakes118.exe	84
PID 1900 wrote to memory of 5088	1900	b98350258bbb1c4f0abbafb8e3486186_JaffaCakes118.exe	94
PID 1900 wrote to memory of 5088	1900	b98350258bbb1c4f0abbafb8e3486186_JaffaCakes118.exe	94
PID 1900 wrote to memory of 5088	1900	b98350258bbb1c4f0abbafb8e3486186_JaffaCakes118.exe	94

C:\Users\Admin\AppData\Local\Temp\b98350258bbb1c4f0abbafb8e3486186_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b98350258bbb1c4f0abbafb8e3486186_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Windows\SysWOW64\reg.exe
  reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v MicrosoftWinUpdate /d C:\Users\Admin\AppData\Roaming\spoolsv.exe /f
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry key
  PID:3764
- C:\Users\Admin\AppData\Local\Temp\services
  C:\Users\Admin\AppData\Local\Temp\services
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:5088

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

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

C:\Users\Admin\AppData\Local\Temp\services

Filesize
326KB

MD5
b98350258bbb1c4f0abbafb8e3486186

SHA1
f5a9e9fc368ed0b2c8b423a8c84993bed035917d

SHA256
717799cfdb68ccf5879c8ff7a39352f4a47998ceebb1851b56323e55404c5de7

SHA512
11b432ffe06aaf1cc5acfb45b7e3104a815b77f0a4aeebfa737bd0784134fb4a513ab25ad5fb558504d4edaa305dd1e8f414922f619db28f9f6024a0a31ef7fa

Download Submit
memory/1900-9-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/1900-1-0x0000000000C80000-0x0000000000C81000-memory.dmp

Filesize
4KB

Download
memory/1900-0-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-14-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-17-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-10-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-12-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/5088-11-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-13-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-7-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-15-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-16-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-8-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/5088-18-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-20-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-21-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-22-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-23-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-24-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download
memory/5088-25-0x0000000000400000-0x00000000004F0000-memory.dmp

Filesize
960KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads