0e469078fd75786d027048ab12a7ace7dbd14ec4bba06878d5e3b49789ce75bf

Analysis

max time kernel
131s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12/09/2024, 16:13

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General

Target

dc965d0ee4b7f287a32434555999cfc2_JaffaCakes118.dll
Size

140KB
MD5

dc965d0ee4b7f287a32434555999cfc2
SHA1

d6e0fca562c5dd5221e12f856c63d01cb7f4899f
SHA256

0e469078fd75786d027048ab12a7ace7dbd14ec4bba06878d5e3b49789ce75bf
SHA512

37dc2a2142c5cb98af17985640828f8ddd8b301c23891b5925135134cd7063808102269191a9d43f780428f97cf841d1dff64e006f2e739d5ad0abad34f10498
SSDEEP

1536:O6lIdSDpYJely6PxY2ilJ2+wUaXfjpnZ85FYnHulJMpXDFQ0ykAJX14aW/SHabML:qdSd06FilwffjVA0YaDQ0gl2aHhmhu

Score

7^/10

discovery upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
652	rundll32mgr.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000900000002360b-4.dat	upx
behavioral2/memory/652-5-0x0000000000400000-0x000000000046E000-memory.dmp	upx
behavioral2/memory/652-8-0x0000000000400000-0x000000000046E000-memory.dmp	upx

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\rundll32mgr.exe	rundll32.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2168	652	WerFault.exe	91
3192	4284	WerFault.exe	90

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	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32mgr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3396 wrote to memory of 4284	3396	rundll32.exe	90
PID 3396 wrote to memory of 4284	3396	rundll32.exe	90
PID 3396 wrote to memory of 4284	3396	rundll32.exe	90
PID 4284 wrote to memory of 652	4284	rundll32.exe	91
PID 4284 wrote to memory of 652	4284	rundll32.exe	91
PID 4284 wrote to memory of 652	4284	rundll32.exe	91

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc965d0ee4b7f287a32434555999cfc2_JaffaCakes118.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3396
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\dc965d0ee4b7f287a32434555999cfc2_JaffaCakes118.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4284
- - C:\Windows\SysWOW64\rundll32mgr.exe
    C:\Windows\SysWOW64\rundll32mgr.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:652
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 652 -s 264
      4⤵
      Program crash
      PID:2168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 608
    3⤵
    - Program crash
    PID:3192

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 652 -ip 652
1⤵
PID:2508

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4284 -ip 4284
1⤵
PID:1756

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4300,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=1424 /prefetch:8
1⤵
PID:3688

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:\Windows\SysWOW64\rundll32mgr.exe

Filesize
105KB

MD5
9b49fec7e03c33277f188a2819b8d726

SHA1
a7b6b4a0ecbeab9075c3e36ec2586ce8debbbc4f

SHA256
9d3a78f72dbd7351a999d6fd6f60b0c6ba79bc4279a347fd590af94a0224afad

SHA512
049a0971913562ca8a134ac889d4750c71d89fe070fadcb06dfc49401f1b9b508275921e55f3f27a31f34d520e96784d4a50959fa1aab6bad878e9e5ea61755d

Download Submit
memory/652-6-0x0000000000590000-0x0000000000591000-memory.dmp

Filesize
4KB

Download
memory/652-5-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/652-8-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/4284-1-0x000000006D180000-0x000000006D1A3000-memory.dmp

Filesize
140KB

Download
memory/4284-7-0x000000006D180000-0x000000006D1A3000-memory.dmp

Filesize
140KB

Download