e2381e011d8dfc1051d99e65d6d65e7f045a0fcfec4d4e7108b7a60a1d64ae2b

General

Target

a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe
Size

196KB
MD5

a007bacd2a91137b63174740380b6c2b
SHA1

e4e1c64e569419aff84a6496bfaf0b903e230352
SHA256

e2381e011d8dfc1051d99e65d6d65e7f045a0fcfec4d4e7108b7a60a1d64ae2b
SHA512

8c8d7eb60f75e00f31c4ae9306da46afecf9ce4269976f042faa7d8bc6398f242d5c53d01550fc8d12043f041ede23bcd00c55a100b7f5581f4509cb6e817af6
SSDEEP

6144:Wg5E2VmxrCDR8lcv9R++HYdTOzbl/p3RLUbSL32:W8u1CKlWxETGxBLUbg2

Score

10^/10

discovery evasion persistence upx

Malware Config

Signatures

Modifies firewall policy service 3 TTPs 2 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	a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\M-1-52-5782-8754-5245\winsam.exe = "C:\\Users\\Admin\\M-1-52-5782-8754-5245\\winsam.exe:*:Enabled:Microsoft® Windows System"	a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2684	winsam.exe

Loads dropped DLL 2 IoCs

pid	Process
2364	a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe
2364	a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2364-1-0x0000000000400000-0x0000000000438000-memory.dmp	upx
behavioral1/memory/2684-14-0x0000000000400000-0x0000000000438000-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\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows System = "C:\\Users\\Admin\\M-1-52-5782-8754-5245\\winsam.exe"	a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 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	a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2684	2364	a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe	30
PID 2364 wrote to memory of 2684	2364	a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe	30
PID 2364 wrote to memory of 2684	2364	a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe	30
PID 2364 wrote to memory of 2684	2364	a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a007bacd2a91137b63174740380b6c2b_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\M-1-52-5782-8754-5245\winsam.exe
  "C:\Users\Admin\M-1-52-5782-8754-5245\winsam.exe"
  2⤵
  - Executes dropped EXE
  PID:2684

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

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\M-1-52-5782-8754-5245\winsam.exe

Filesize
196KB

MD5
a007bacd2a91137b63174740380b6c2b

SHA1
e4e1c64e569419aff84a6496bfaf0b903e230352

SHA256
e2381e011d8dfc1051d99e65d6d65e7f045a0fcfec4d4e7108b7a60a1d64ae2b

SHA512
8c8d7eb60f75e00f31c4ae9306da46afecf9ce4269976f042faa7d8bc6398f242d5c53d01550fc8d12043f041ede23bcd00c55a100b7f5581f4509cb6e817af6

Download Submit
memory/2364-1-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2364-0-0x000000000042B000-0x000000000042D000-memory.dmp

Filesize
8KB

Download
memory/2684-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2684-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads