73d952a5cb1b621d30396c0c2d5fb99c342acffb7f4e4602b407bd01c833134b

General

Target

368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe
Size

201KB
MD5

368f19147f2c95c486814b79ae94d045
SHA1

50c2e0a07928e961bf266a4d49fd749f2cd94440
SHA256

73d952a5cb1b621d30396c0c2d5fb99c342acffb7f4e4602b407bd01c833134b
SHA512

ea752a2f3a040b9f19f0b33c341433f904ebab3150797e6d277e33a6988ac649733a19f8b4910ae2def08067b04dd8979b5ee998c3c094a8b2bf7afeb3c0e9c5
SSDEEP

3072:CJDR/I7cYrrnGYtAnwRaycFyExbpjC9O20HyPoTGDAA+1gwYTxMw79Fus1+zmzm:DDRayUywUpEyPo4AA+WxH79FusUqzm

Score

10^/10

discovery evasion persistence 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
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"	368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4548	winsam.exe

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft® Windows System = "C:\\Users\\Admin\\M-1-52-5782-8754-5245\\winsam.exe"	368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3032-2-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/3032-3-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/4548-39-0x0000000000400000-0x000000000044A000-memory.dmp	upx
behavioral2/memory/4548-40-0x0000000000400000-0x000000000044A000-memory.dmp	upx

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 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	winsam.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 4548	3032	368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe	86
PID 3032 wrote to memory of 4548	3032	368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe	86
PID 3032 wrote to memory of 4548	3032	368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\368f19147f2c95c486814b79ae94d045_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3032
- 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
  - System Location Discovery: System Language Discovery
  PID:4548

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

Query Registry

1

T1012

System Information Discovery

2

T1082

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

Filesize
201KB

MD5
368f19147f2c95c486814b79ae94d045

SHA1
50c2e0a07928e961bf266a4d49fd749f2cd94440

SHA256
73d952a5cb1b621d30396c0c2d5fb99c342acffb7f4e4602b407bd01c833134b

SHA512
ea752a2f3a040b9f19f0b33c341433f904ebab3150797e6d277e33a6988ac649733a19f8b4910ae2def08067b04dd8979b5ee998c3c094a8b2bf7afeb3c0e9c5

Download Submit
memory/3032-0-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3032-1-0x000000000042B000-0x000000000042D000-memory.dmp

Filesize
8KB

Download
memory/3032-2-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/3032-3-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4548-38-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4548-39-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/4548-40-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads