dd949d0a2bc937d1f93372b360da4ed7226bcfa9b20cfc710b4488f541a7179a

Analysis

max time kernel
142s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/06/2024, 16:46

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General

Target

09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe
Size

126KB
MD5

09ad52ea39f86a47bd8d2e260c5955e0
SHA1

e4ef158f4463a1825f6978654b7ac43d3821c78e
SHA256

dd949d0a2bc937d1f93372b360da4ed7226bcfa9b20cfc710b4488f541a7179a
SHA512

1964609d01db1b4d0a038e1ee9c71b57a3f50c5330a39a841df706568baf1d31644eed1f88a4a32d6646997277460d2bf412a4db0a0b8fdd49fba079a01b179b
SSDEEP

3072:nBq1MIAxVR4YwsvquRGT29deW/tqxJ8+YuUZEW2K:nBsMIAPRtlqusqUxJVUZEW

Score

10^/10

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	09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\AppData\Roaming\Firewall Installer\cfmmon.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Firewall Installer\\cfmmon.exe"	09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2184	cfmmon.exe

Loads dropped DLL 2 IoCs

pid	Process
2756	09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe
2756	09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2756-0-0x0000000000400000-0x0000000000430000-memory.dmp	upx
behavioral1/files/0x003500000001567f-9.dat	upx
behavioral1/memory/2184-16-0x0000000000400000-0x0000000000430000-memory.dmp	upx
behavioral1/memory/2184-15-0x0000000000400000-0x0000000000430000-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-1-5-21-1298544033-3225604241-2703760938-1000\Software\Microsoft\Windows\CurrentVersion\Run\cfmmon.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Firewall Installer\\cfmmon.exe"	09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 2184	2756	09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe	28
PID 2756 wrote to memory of 2184	2756	09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe	28
PID 2756 wrote to memory of 2184	2756	09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe	28
PID 2756 wrote to memory of 2184	2756	09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe	28

C:\Users\Admin\AppData\Local\Temp\09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\09ad52ea39f86a47bd8d2e260c5955e0_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Users\Admin\AppData\Roaming\Firewall Installer\cfmmon.exe
  "C:\Users\Admin\AppData\Roaming\Firewall Installer\cfmmon.exe" in
  2⤵
  - Executes dropped EXE
  PID:2184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Firewall Installer\cfmmon.exe

Filesize
126KB

MD5
e364a7e4ed6cc64b9e3ce9f7c3edc29c

SHA1
d8f19f48169e5bb3a2b4dbe660c4c429e4f71a20

SHA256
0ef782ad6206f16ca8f8e4985335d099b59839cc55003c58734858a17c6741b9

SHA512
7c0efbbc1d2dc03792afc60dbd76d15eabaac8b72c0e2d24c808a33dcdfa7e94a25b0c62540f94aa297414d58c6702dc905359c4e74a1296a72f36b383828c81

Download Submit
memory/2184-16-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2184-15-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2184-17-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2184-18-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2756-0-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2756-1-0x0000000000020000-0x0000000000034000-memory.dmp

Filesize
80KB

Download
memory/2756-2-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download
memory/2756-14-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads