e30ccebfa3cc92eea9365d973532c663b6463724dc6f5f8030352d54af026930

Analysis

max time kernel
90s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03/10/2024, 15:17

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General

Target

0f5634f44db76a94b19cd11aa43ed29d_JaffaCakes118.exe
Size

30KB
MD5

0f5634f44db76a94b19cd11aa43ed29d
SHA1

f698a9b9d141e31a60082cf0ed8498b1ecfeaf14
SHA256

e30ccebfa3cc92eea9365d973532c663b6463724dc6f5f8030352d54af026930
SHA512

997b4e286172331249a2e5ed69aa00542f8895c200f22868b183229471eea78062ec27b1c794f6d6e399b89c02406fb94518fd965930594bcf71927209e1eea1
SSDEEP

768:ViWBNv/BCIej0Fys39dSJQptnbcuyD7U0Iu:UeNRjasyYtnouy80Iu

Score

7^/10

discovery upx

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
4084	regsvr32.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3540-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx
behavioral2/memory/3540-6-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O891017.dll	0f5634f44db76a94b19cd11aa43ed29d_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O891017.dll	regsvr32.exe

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	0f5634f44db76a94b19cd11aa43ed29d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Modifies registry class 7 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{30C3B080-30FB-11d0-B724-00AA006C1A01}\InProcServer32\Original = "C:\\Windows\\SysWOW64\\imgutil.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{30C3B080-30FB-11d0-B724-00AA006C1A01}\InProcServer32\ = "C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\DA0O891017.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7B8A2D95-0AC9-11D1-896C-00C04FB6BFC4}\InprocServer32	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7b8a2d95-0ac9-11d1-896c-00c04Fb6bfc4}\InprocServer32\Original = "C:\\Windows\\SysWOW64\\urlmon.dll"	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7b8a2d95-0ac9-11d1-896c-00c04Fb6bfc4}\InprocServer32\ = "C:\\Program Files (x86)\\Common Files\\Microsoft Shared\\DAO\\DA0O891017.dll"	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{EEFFD4A5-FC5D-4427-920D-E4917AAD09EE}	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{30C3B080-30FB-11D0-B724-00AA006C1A01}\InprocServer32	regsvr32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeTakeOwnershipPrivilege	4084	regsvr32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3540	0f5634f44db76a94b19cd11aa43ed29d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3540 wrote to memory of 4084	3540	0f5634f44db76a94b19cd11aa43ed29d_JaffaCakes118.exe	85
PID 3540 wrote to memory of 4084	3540	0f5634f44db76a94b19cd11aa43ed29d_JaffaCakes118.exe	85
PID 3540 wrote to memory of 4084	3540	0f5634f44db76a94b19cd11aa43ed29d_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\0f5634f44db76a94b19cd11aa43ed29d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0f5634f44db76a94b19cd11aa43ed29d_JaffaCakes118.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3540
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 /n /s /i:"-f 30C3B080-30FB-11d0-B724-00AA006C1A01 -f 7b8a2d95-0ac9-11d1-896c-00c04Fb6bfc4" "C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O891017.dll"
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  PID:4084

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Program Files (x86)\Common Files\Microsoft Shared\DAO\DA0O891017.dll

Filesize
31KB

MD5
290d263ed8736fa172c0491dacf493af

SHA1
687c87b0ac2363fa3596e351525e84e3e5139af4

SHA256
e2b2809758c0e406b9ac6d661680013c514051bac97e8b2905f7764ffcf0380e

SHA512
9c87f7aef808927641e1f29b842a70b672a2454b5b0a7ce846ad04b890e4d97fbad0a2ca6c206f4e010a1d3f2f82e131ac5099c0e23c031e940ef4a00958277e

Download Submit
memory/3540-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3540-6-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download