bcb5e2199b2696fb756b1f775ca14c0cf1f3444e1e6a0780be092193208c8b06

General

Target

421433ee000753bdbe2c701a0a812220_JaffaCakes118.exe
Size

18.0MB
MD5

421433ee000753bdbe2c701a0a812220
SHA1

a9b6d6843b017f1c3f9beea3b66a9eac5e0fb67c
SHA256

bcb5e2199b2696fb756b1f775ca14c0cf1f3444e1e6a0780be092193208c8b06
SHA512

7cdaa6530c71da9bc9f75c26b079b3bb79ffc15a0385fffe4adee878100fc8ef92e019ed15d90152a2968e0cdcff7ec17e284167ece3fa515202b19fb69a88eb
SSDEEP

3072:Zmdar7uI34zJsYgSL6oXn9H3EVdCAqao+zKd3:Zmsr7o9s6B0V4AqaN

Score

10^/10

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	421433ee000753bdbe2c701a0a812220_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	421433ee000753bdbe2c701a0a812220_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	421433ee000753bdbe2c701a0a812220_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Local\Temp\421433ee000753bdbe2c701a0a812220_JaffaCakes118.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\421433ee000753bdbe2c701a0a812220_JaffaCakes118.exe:*:Enabled:ldrsoft"	421433ee000753bdbe2c701a0a812220_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	421433ee000753bdbe2c701a0a812220_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/2296-0-0x0000000000400000-0x00000000015FF000-memory.dmp	upx
behavioral2/memory/2296-1-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/2296-3-0x0000000000400000-0x00000000015FF000-memory.dmp	upx
behavioral2/memory/2296-4-0x0000000000400000-0x00000000015FF000-memory.dmp	upx
behavioral2/memory/2296-6-0x0000000000400000-0x0000000000412000-memory.dmp	upx
behavioral2/memory/2296-7-0x0000000000400000-0x00000000015FF000-memory.dmp	upx
behavioral2/memory/2296-10-0x0000000000400000-0x00000000015FF000-memory.dmp	upx
behavioral2/memory/2296-12-0x0000000000400000-0x00000000015FF000-memory.dmp	upx
behavioral2/memory/2296-14-0x0000000000400000-0x00000000015FF000-memory.dmp	upx
behavioral2/memory/2296-16-0x0000000000400000-0x00000000015FF000-memory.dmp	upx
behavioral2/memory/2296-19-0x0000000000400000-0x00000000015FF000-memory.dmp	upx
behavioral2/memory/2296-20-0x0000000000400000-0x0000000000412000-memory.dmp	upx

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 2036	2296	421433ee000753bdbe2c701a0a812220_JaffaCakes118.exe	89
PID 2296 wrote to memory of 2036	2296	421433ee000753bdbe2c701a0a812220_JaffaCakes118.exe	89
PID 2296 wrote to memory of 2036	2296	421433ee000753bdbe2c701a0a812220_JaffaCakes118.exe	89

C:\Users\Admin\AppData\Local\Temp\421433ee000753bdbe2c701a0a812220_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\421433ee000753bdbe2c701a0a812220_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- Suspicious use of WriteProcessMemory
PID:2296
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\421433~1.EXE00.bat
  2⤵
  PID:2036

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

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\421433~1.EXE00.bat

Filesize
192B

MD5
fc326b5b544fa77d2d398b1cca362ce7

SHA1
fc47bf8ccb50049fdd5daec140898a61879a1230

SHA256
3a22dab80beebf3b3444fb8f155e3ac4e760db93bdef336be715083991f54c5b

SHA512
b197ae9d5ebf913dc5d083f81ec4ad512134bde3032118121deffb6e59e07eb57f8ff02bc107f3927206dbd4ae2d7e4342aa3d7a5ef07f849a1103075d48caf4

Download Submit
memory/2296-10-0x0000000000400000-0x00000000015FF000-memory.dmp

Filesize
18.0MB

Download
memory/2296-3-0x0000000000400000-0x00000000015FF000-memory.dmp

Filesize
18.0MB

Download
memory/2296-4-0x0000000000400000-0x00000000015FF000-memory.dmp

Filesize
18.0MB

Download
memory/2296-6-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2296-7-0x0000000000400000-0x00000000015FF000-memory.dmp

Filesize
18.0MB

Download
memory/2296-0-0x0000000000400000-0x00000000015FF000-memory.dmp

Filesize
18.0MB

Download
memory/2296-12-0x0000000000400000-0x00000000015FF000-memory.dmp

Filesize
18.0MB

Download
memory/2296-14-0x0000000000400000-0x00000000015FF000-memory.dmp

Filesize
18.0MB

Download
memory/2296-16-0x0000000000400000-0x00000000015FF000-memory.dmp

Filesize
18.0MB

Download
memory/2296-19-0x0000000000400000-0x00000000015FF000-memory.dmp

Filesize
18.0MB

Download
memory/2296-20-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2296-1-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads