9221449a59f98c613164a76324c910ef4a8d6fb043eec4a1622efb82c64fae79

General

Target

c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe
Size

46KB
MD5

c7b76000fcf976820a77ca00fd3bd3f0
SHA1

5cf0c8db011f490a71c71383673febb7bf1635fc
SHA256

9221449a59f98c613164a76324c910ef4a8d6fb043eec4a1622efb82c64fae79
SHA512

e841fd86c1c72d243a4f9b26b16a36c60180321ff77f87fe5db98a980d334bfb352cc2e9be4a16e7f3ebfa950af80f4e96d892b8165496aae92eb33e94636545
SSDEEP

384:DWxX9gdJ03fyakLfJqyd1Z7DsaJSms+DG3S1Kcv9gRhQ9IDs6ssyLH2Pm2oY/m50:DC3xAqyd1FDnJ7sYCSkyrlYW8PR

Score

10^/10

discovery evasion spyware stealer upx

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 4 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe:*:Enabled:ldrsoft"	c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 1 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1264-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1264-1-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1264-3-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1264-6-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1264-8-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1264-10-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1264-12-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1264-14-0x0000000000400000-0x0000000000418000-memory.dmp	upx
behavioral2/memory/1264-17-0x0000000000400000-0x0000000000418000-memory.dmp	upx

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	c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 2520	1264	c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe	105
PID 1264 wrote to memory of 2520	1264	c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe	105
PID 1264 wrote to memory of 2520	1264	c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe	105

C:\Users\Admin\AppData\Local\Temp\c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c7b76000fcf976820a77ca00fd3bd3f0_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\C7B760~1.EXE00.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\C7B760~1.EXE00.bat

Filesize
192B

MD5
1b1f311cf577cf47eaa3e7704a775289

SHA1
4947f8610db803f8a2ec5843d15919207215a428

SHA256
8bcf8477cb830ac6bf4ecb0cdd9a22b11662622d2af02dadc5bf49f5fd81af21

SHA512
489bb3802241a844a527a0443b2fddf8f58d770d719b73849e3cef8fbcc0c0b03dffb17fcbfb7abac13f1263c4fe538e0e93dc53689712883dcf5614b370b99f

Download Submit
memory/1264-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1264-1-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1264-3-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1264-6-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1264-8-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1264-10-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1264-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1264-14-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1264-17-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads