967fbdd0daa02c73151f4fae9b5522de56095381dd73cfdb3b5f7a4e5ea88781

Analysis

max time kernel
181s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 12:24

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General

Target

186f5a9df1c3a91eacce733bcb5b713c.pdf
Size

70KB
MD5

186f5a9df1c3a91eacce733bcb5b713c
SHA1

c63a1e9e75a76da6f687c822e18cb17938572162
SHA256

967fbdd0daa02c73151f4fae9b5522de56095381dd73cfdb3b5f7a4e5ea88781
SHA512

2cf4d8c762c3fbfd80defac75bb77a3ab95299c648cf14ea5ad4d95ac4f896976792a0d922196ba45e1d92929819047293693af64f70f9f73c8d16a32d267128
SSDEEP

1536:AdtwjrhqC1Musy4+UmUFTjevjd0rpBWcOsOrAayZQ0WcpOygtKGeFB:caqCfsX3FUd0rfZXrQPypGU

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5100	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe
5100	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 3316	5100	AcroRd32.exe	97
PID 5100 wrote to memory of 3316	5100	AcroRd32.exe	97
PID 5100 wrote to memory of 3316	5100	AcroRd32.exe	97
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4308	3316	RdrCEF.exe	98
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99
PID 3316 wrote to memory of 4272	3316	RdrCEF.exe	99

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\186f5a9df1c3a91eacce733bcb5b713c.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:5100
- 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:3316
- - 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=601CB4E8C476817DA5426718915BABFC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4308
- - 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=09399884AEAA1C858652453C897C27DE --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=09399884AEAA1C858652453C897C27DE --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4272
- - 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=62B7E979420A2EA2280394F6E1C59D2C --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=62B7E979420A2EA2280394F6E1C59D2C --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4756
- - 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=FD67570A85BCC64B2CF3C6DF0B8A8992 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:628
- - 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=E5892C9FB385C83362EBF33E3EA0717B --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:216
- - 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=8E45E2D808B4FCD2671473613981483C --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2828

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5032

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
82a18cc5f117acd4bfaafa7226188cdb

SHA1
96b5d3b57701955e42fb3b717993a2c607c734e2

SHA256
640a334f7b60cd8eb93b9376e56b00eaa8320ad1603443650f4e7d39f2665ab9

SHA512
b640e57f7f04dcd8d626471c3a57faef56a0647354226e3bb16a4b7c24e59201019805ecc55bc8acf43f61860b9d1fbf56508683225e014834b2da4a528cc0f0

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit