1f62483ed6c29a11e33e97f2330c94d58f024a247fc754f27911101624a5ffb7

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 09:13

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General

Target

b85eecfbee8b1ccf04db13145808f729.pdf
Size

47KB
MD5

b85eecfbee8b1ccf04db13145808f729
SHA1

a8db078ee26a54c2728766b97ac1dbbec25f494c
SHA256

1f62483ed6c29a11e33e97f2330c94d58f024a247fc754f27911101624a5ffb7
SHA512

b4a5868e5275e3cbda43f1f2907293ac2a19a122ee3828058cbae108b289cf706a3aa356fa4a45d5ac5c838b6c46bb52cf3cf78ac1c4dfb866f28b27ae7a741c
SSDEEP

768:mxduWByFirSoEfO50g0dtzmIEKrJysedyOzdY9y+zAocNLpHY/V4:mxpXrSTfOWrdtBEuy3dvpR+zFgat4

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe
1076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 1924	1076	AcroRd32.exe	95
PID 1076 wrote to memory of 1924	1076	AcroRd32.exe	95
PID 1076 wrote to memory of 1924	1076	AcroRd32.exe	95
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 4932	1924	RdrCEF.exe	96
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97
PID 1924 wrote to memory of 2172	1924	RdrCEF.exe	97

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\b85eecfbee8b1ccf04db13145808f729.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:1076
- 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:1924
- - 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=FA3A5786AF67B8B81632204E24B83F87 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=FF9F94057A179F6DBE717FE4CF7A45AF --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=FF9F94057A179F6DBE717FE4CF7A45AF --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2172
- - 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=46D50A23E10271AF50457CD4F1A92EBC --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=46D50A23E10271AF50457CD4F1A92EBC --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4936
- - 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=074BFCB8ADC2766587E6993C8CDD7685 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3376
- - 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=C1C837162240639E0F1A2DFF4AFC67A4 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3764
- - 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=98E2D1ADF76C334B51F03592EE34B376 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4288

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4184

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
64KB

MD5
e7cf524f4b95a7adf7c95fd824b6d37f

SHA1
d13a872f8ec32b55276eac940028a5130a201443

SHA256
bb60d667fd9532c96bfa484c0fcfdc4d23b5688fad145a5a726ab020062d0e16

SHA512
a88db33f81f353a3269cf00fef77c7f81c5d28e5e87372554e00da8866f50e59f1780105cb29d50af3251628592729fe3aad1a87b1f6f3bc747d02138cb85106

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