f03d233f08f685bd506d4ed413c346659bc8ea0e05ed0134c869b6f304713ec4

Analysis

max time kernel
141s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 01:11

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General

Target

eec988d2c45a12b5ad30e59b9dffbf62_JaffaCakes118.dll
Size

165KB
MD5

eec988d2c45a12b5ad30e59b9dffbf62
SHA1

ba795744d9b9d4bb6c1dcabc19ab9a23d79257c3
SHA256

f03d233f08f685bd506d4ed413c346659bc8ea0e05ed0134c869b6f304713ec4
SHA512

ba45cfd953f8945c516b99f6e71b282b7ac15a17b6e55ab604c50a0959bef7907bc943542769a6a3563f22c811ea316c065b740fd2c4a367af9dec53526aeee3
SSDEEP

3072:IfCxerVTeOpD/etpdK+78LwQSAsAILKNxC9pdMIv42FByb4Cn9UUtpz:Her7D2tpPwcCILKTCTdMIvZC93tp

Score

10^/10

discovery persistence upx

Malware Config

Signatures

Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\ShellServiceObjectDelayLoad\DCOM Server 60787 = "{2C1CD3D7-86AC-4068-93BC-A02304B60787}"	rundll32.exe

Blocklisted process makes network request 4 IoCs

flow	pid	Process
1	1920	rundll32.exe
7	1920	rundll32.exe
41	1920	rundll32.exe
43	1920	rundll32.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	rundll32.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1920-1-0x0000000010000000-0x0000000010D2E000-memory.dmp	upx
behavioral2/memory/1920-3-0x0000000010000000-0x0000000010D2E000-memory.dmp	upx
behavioral2/memory/1920-5-0x0000000010000000-0x0000000010D2E000-memory.dmp	upx
behavioral2/memory/1920-7-0x0000000010000000-0x0000000010D2E000-memory.dmp	upx
behavioral2/memory/1920-13-0x0000000010000000-0x0000000010D2E000-memory.dmp	upx
behavioral2/memory/1920-15-0x0000000010000000-0x0000000010D2E000-memory.dmp	upx
behavioral2/memory/1920-16-0x0000000010000000-0x0000000010D2E000-memory.dmp	upx

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	rundll32.exe

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\26\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2C1CD3D7-86AC-4068-93BC-A02304B60787}\InProcServer32	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2C1CD3D7-86AC-4068-93BC-A02304B60787}	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2C1CD3D7-86AC-4068-93BC-A02304B60787}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eec988d2c45a12b5ad30e59b9dffbf62_JaffaCakes118.dll"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{2C1CD3D7-86AC-4068-93BC-A02304B60787}\InProcServer32\ThreadingModel = "Apartment"	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 740 wrote to memory of 1920	740	rundll32.exe	82
PID 740 wrote to memory of 1920	740	rundll32.exe	82
PID 740 wrote to memory of 1920	740	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\eec988d2c45a12b5ad30e59b9dffbf62_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:740
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\eec988d2c45a12b5ad30e59b9dffbf62_JaffaCakes118.dll,#1
  2⤵
  - Adds autorun key to be loaded by Explorer.exe on startup
  - Blocklisted process makes network request
  - Drops file in Drivers directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  PID:1920

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:1948

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1920-1-0x0000000010000000-0x0000000010D2E000-memory.dmp

Filesize
13.2MB

Download
memory/1920-3-0x0000000010000000-0x0000000010D2E000-memory.dmp

Filesize
13.2MB

Download
memory/1920-5-0x0000000010000000-0x0000000010D2E000-memory.dmp

Filesize
13.2MB

Download
memory/1920-7-0x0000000010000000-0x0000000010D2E000-memory.dmp

Filesize
13.2MB

Download
memory/1920-13-0x0000000010000000-0x0000000010D2E000-memory.dmp

Filesize
13.2MB

Download
memory/1920-15-0x0000000010000000-0x0000000010D2E000-memory.dmp

Filesize
13.2MB

Download
memory/1920-16-0x0000000010000000-0x0000000010D2E000-memory.dmp

Filesize
13.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads