0fbc1f00d10dbb305d5bf05826b580b9575ba4e001dd749bfdbb2f7db4fd701c

General

Target

733741d586bd47f091bac0682534bd6c_JaffaCakes118.dll
Size

26KB
MD5

733741d586bd47f091bac0682534bd6c
SHA1

bdba82d02840654ad230cc3646ea9309d6b9f6d2
SHA256

0fbc1f00d10dbb305d5bf05826b580b9575ba4e001dd749bfdbb2f7db4fd701c
SHA512

c27925808bb84ea42889774654c479c7629ec10ee1ae4f75fa20fd38b10b3b22d0b31942c1daea756dc5cdcddcb07da94248f13d5e3a28159652548cf2eeebf2
SSDEEP

384:4nTow/H30QvvdeATfsX0hkPypugWgyE3AQ46OGLUOJ6IpoAVAcMoYz+iAXHUt:4nTl0QN3jsj6DAQm4vXWAVQtz+iAc

Score

7^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
persistence privilege_escalation

Component Object Model Hijacking
T1546.015

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1816-0-0x0000000010000000-0x0000000010014000-memory.dmp	upx

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	rundll32.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\batmeter16.dll	rundll32.exe
File opened for modification	C:\Windows\batmeter16.dll	rundll32.exe

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 registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\PROTOCOLS	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\PROTOCOLS\Filter\text/html\CLSID = "{95e4f85f-c6de-42ee-8511-7f203ed2a835}"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\WOW6432Node	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\WOW6432Node\CLSID\{95e4f85f-c6de-42ee-8511-7f203ed2a835}	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\WOW6432Node\CLSID\{95e4f85f-c6de-42ee-8511-7f203ed2a835}\InProcServer32\ = "C:\\Windows\\batmeter16.dll"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\WOW6432Node\CLSID\{95e4f85f-c6de-42ee-8511-7f203ed2a835}\InProcServer32\ThreadingModel = "Apartment"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\PROTOCOLS\Filter\text/html	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\PROTOCOLS\Filter	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\PROTOCOLS\Filter\text/html\ = "Microsoft Default HTML MIME Filter"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\WOW6432Node\CLSID\{95e4f85f-c6de-42ee-8511-7f203ed2a835}\InProcServer32	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000_Classes\WOW6432Node\CLSID	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe
1816	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 1816	3160	rundll32.exe	84
PID 3160 wrote to memory of 1816	3160	rundll32.exe	84
PID 3160 wrote to memory of 1816	3160	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\733741d586bd47f091bac0682534bd6c_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3160
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\733741d586bd47f091bac0682534bd6c_JaffaCakes118.dll,#1
  2⤵
  - Maps connected drives based on registry
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Component Object Model Hijacking

1

T1546.015

Privilege Escalation

Event Triggered Execution

1

T1546

Component Object Model Hijacking

1

T1546.015

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\DE69.tmp

Filesize
20KB

MD5
162b6962debc48b3998d607399609602

SHA1
c5c8dc769ca5da4412b33ebd73c63fbda71f7f37

SHA256
655c248a3d7fa6d21196a69f0de6f3673ecd03f01924432df0171148990781b9

SHA512
15c3fe7f7f25bff1e858aa1967d61dd09c28f95d32d52a57285d7dfdd63d51ce27afbbfb9c959f78defeb37592bc8cec8a0976908dd0d788348e978563baca33

Download Submit
memory/1816-0-0x0000000010000000-0x0000000010014000-memory.dmp

Filesize
80KB

Download

Analysis

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