16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267

max time kernel
77s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
26-11-2024 23:06

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General

Target

Downloaders.zip
Size

12KB
MD5

94fe78dc42e3403d06477f995770733c
SHA1

ea6ba4a14bab2a976d62ea7ddd4940ec90560586
SHA256

16930620b3b9166e0ffbd98f5d5b580c9919fd6ccdcc74fb996f53577f508267
SHA512

add85726e7d2c69068381688fe84defe820f600e6214eff029042e3002e9f4ad52dde3b8bb28f4148cca1b950cd54d3999ce9e8445c4562d1ef2efdb1c6bdeff
SSDEEP

384:6BfwcSEp9ZjKXSBIDv4dDfjlMJ7HWTHWB:efACW6Dr8HWTHWB

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 7 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	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2584844841-1405471295-1760131749-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3496	7zFM.exe
4464	OpenWith.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeRestorePrivilege	3496	7zFM.exe
Token: 35	3496	7zFM.exe
Token: SeSecurityPrivilege	3496	7zFM.exe
Token: SeSecurityPrivilege	3496	7zFM.exe
Token: SeSecurityPrivilege	3496	7zFM.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3496	7zFM.exe
3496	7zFM.exe
3496	7zFM.exe
3496	7zFM.exe

Suspicious use of SetWindowsHookEx 25 IoCs

pid	Process
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
4464	OpenWith.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe
2316	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4464 wrote to memory of 2316	4464	OpenWith.exe	83
PID 4464 wrote to memory of 2316	4464	OpenWith.exe	83
PID 4464 wrote to memory of 2316	4464	OpenWith.exe	83
PID 2316 wrote to memory of 3860	2316	AcroRd32.exe	86
PID 2316 wrote to memory of 3860	2316	AcroRd32.exe	86
PID 2316 wrote to memory of 3860	2316	AcroRd32.exe	86
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 4612	3860	RdrCEF.exe	87
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88
PID 3860 wrote to memory of 2732	3860	RdrCEF.exe	88

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Downloaders.zip"
1⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3496

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:240

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4464
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\Downloads\JoinRename.7z"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3860
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=069BC18C815F17DD30D69B5EBEF3A2D9 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:4612
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=2023F6D37B33C4E55249D561C0BF158F --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=2023F6D37B33C4E55249D561C0BF158F --renderer-client-id=2 --mojo-platform-channel-handle=1780 --allow-no-sandbox-job /prefetch:1
      4⤵
      System Location Discovery: System Language Discovery
      PID:2732
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=DBF0F1DAFB6FE3CD2119A7D057ECB2F8 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:4488
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=BAFBD602742FEF13822811A22A83CC7E --mojo-platform-channel-handle=2476 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:2760
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=8A9C4B98F3328C99471149682C43EFEE --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:2412

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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