eb451ee260517a1f8f3066e6c19c27b042911d6317cef520ff2fcff8517bb965

General

Target

bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe
Size

48KB
MD5

bf6df6449adda8c6ee9993d2ae8546ce
SHA1

7328c6afb2e2938ada2896b5c203524869d6ea82
SHA256

eb451ee260517a1f8f3066e6c19c27b042911d6317cef520ff2fcff8517bb965
SHA512

72dc2070f17aed69fce650c64282bce9d5f14ea341135210b8a97037f4143489f504b69aed4385b4b52bebb8745a6f6ff0daeaa001456b02be7399a479275469
SSDEEP

768:87KQAyiQLW2SUjdzqpvdSy2IdkhCzaf7/pYHleIpMiVsn7adnmSuNu:8WZy1L4URKdSvIdu2C7BY33Vs7wgNu

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	bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe:*:Enabled:ldrsoft"	bf6df6449adda8c6ee9993d2ae8546ce_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	bf6df6449adda8c6ee9993d2ae8546ce_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 12 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3740-0-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3740-1-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3740-3-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/3740-4-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3740-5-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/3740-8-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3740-10-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3740-12-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3740-14-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3740-16-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3740-19-0x0000000000400000-0x000000000145A000-memory.dmp	upx
behavioral2/memory/3740-20-0x0000000000400000-0x0000000000412000-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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3740 wrote to memory of 2552	3740	bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe	107
PID 3740 wrote to memory of 2552	3740	bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe	107
PID 3740 wrote to memory of 2552	3740	bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe	107

C:\Users\Admin\AppData\Local\Temp\bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\bf6df6449adda8c6ee9993d2ae8546ce_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3740
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\BF6DF6~1.EXE00.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2552

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\BF6DF6~1.EXE00.bat

Filesize
192B

MD5
d62e3717e88c04800c0dbfefb1c6851c

SHA1
561f81a70b35d8503c3b503e8353a872ef86affb

SHA256
d8486e9d9d383a07c7f8b7840b36b42b6f6f3acda1b29394e32cf87a4a8af735

SHA512
a62ec26d78d229451bd18ba5cdab70bc0692ef212a87d1782fb01addb5870623a39c4959860ecc1e8a57a9f81f3f34188b673a78866afe5cffb69ebc58c8588b

Download Submit
memory/3740-10-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3740-3-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3740-4-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3740-5-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3740-8-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3740-0-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3740-12-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3740-14-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3740-16-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3740-19-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download
memory/3740-20-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/3740-1-0x0000000000400000-0x000000000145A000-memory.dmp

Filesize
16.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads