d1dfcb09403ffc3ee5cfdab3bb016ed9af4a34fac6b14ebf3c2edf34bae985a8

Analysis

max time kernel
232s
max time network
250s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 00:24

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General

Target

219a2da625dcaca50fe9c1d561f3e7fc.pdf
Size

91KB
MD5

219a2da625dcaca50fe9c1d561f3e7fc
SHA1

cad4f2172bb21e3bf791b1e0d47099db6bf684d8
SHA256

d1dfcb09403ffc3ee5cfdab3bb016ed9af4a34fac6b14ebf3c2edf34bae985a8
SHA512

1fd02566df2dbf80f947e4458dc048fe96010a87f3cd8c32a61b6d587953fb2ce1d17a59b14a74e77286d6b124bb261704250db96d3fca58f267eefd1a381e95
SSDEEP

1536:Zln2yE0IYo5l/kMV5sHxJm8Nto+perPxL9wQa6sy3+2c2UQfvWkNpOPaW3ul7lUO:b2ygwKCbPF4PJ9FHSoQP56hUSvFEzt2V

Score

1^/10

Malware Config

Signatures

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 1020	4780	AcroRd32.exe	98
PID 4780 wrote to memory of 1020	4780	AcroRd32.exe	98
PID 4780 wrote to memory of 1020	4780	AcroRd32.exe	98
PID 4780 wrote to memory of 2344	4780	AcroRd32.exe	104
PID 4780 wrote to memory of 2344	4780	AcroRd32.exe	104
PID 4780 wrote to memory of 2344	4780	AcroRd32.exe	104
PID 4780 wrote to memory of 3548	4780	AcroRd32.exe	109
PID 4780 wrote to memory of 3548	4780	AcroRd32.exe	109
PID 4780 wrote to memory of 3548	4780	AcroRd32.exe	109
PID 4780 wrote to memory of 3876	4780	AcroRd32.exe	110
PID 4780 wrote to memory of 3876	4780	AcroRd32.exe	110
PID 4780 wrote to memory of 3876	4780	AcroRd32.exe	110
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 3676	3876	RdrCEF.exe	112
PID 3876 wrote to memory of 2528	3876	RdrCEF.exe	113
PID 3876 wrote to memory of 2528	3876	RdrCEF.exe	113
PID 3876 wrote to memory of 2528	3876	RdrCEF.exe	113
PID 3876 wrote to memory of 2528	3876	RdrCEF.exe	113
PID 3876 wrote to memory of 2528	3876	RdrCEF.exe	113
PID 3876 wrote to memory of 2528	3876	RdrCEF.exe	113
PID 3876 wrote to memory of 2528	3876	RdrCEF.exe	113
PID 3876 wrote to memory of 2528	3876	RdrCEF.exe	113
PID 3876 wrote to memory of 2528	3876	RdrCEF.exe	113

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\AppData\Local\Temp\219a2da625dcaca50fe9c1d561f3e7fc.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4780
- 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
  2⤵
  PID:1020
- 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
  2⤵
  PID:2344
- 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
  2⤵
  PID:3548
- 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
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3876
- - 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=999B4A6F84CCD37E51551D0EFD14B086 --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=999B4A6F84CCD37E51551D0EFD14B086 --renderer-client-id=2 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3676
- - 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=2BF72C9EE069E944DF00D138AE264677 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2528
- - 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=26297F30AB40D3B802ACFED5E9FA20ED --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:624

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit