ffbbb905a6c4319f48c6bbe3228626623b60c6821fa8bc1c895c1180f5d707f2

Analysis

max time kernel
156s
max time network
169s
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, 23:24

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General

Target

b9ecdd0b26a1985c3bf2c41bd9b1355a.pdf
Size

52KB
MD5

b9ecdd0b26a1985c3bf2c41bd9b1355a
SHA1

2e1e03566d70ef6301d7592c093ffa9d8abe1aa0
SHA256

ffbbb905a6c4319f48c6bbe3228626623b60c6821fa8bc1c895c1180f5d707f2
SHA512

9af3b96c13898c47b95464e29bf9aff900847226280e98742afffeb2091bf296ce44d7a778a4c6ee3ae810369cea7a383c1624ab7fe1c54fd80849a8852384ff
SSDEEP

1536:YXE4OgvLyS1FcJzvcoi8x62kkV4z7NhxDs:YXEjgjyS27coT6lkVis

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1868	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe
1868	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1868 wrote to memory of 4120	1868	AcroRd32.exe	94
PID 1868 wrote to memory of 4120	1868	AcroRd32.exe	94
PID 1868 wrote to memory of 4120	1868	AcroRd32.exe	94
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 4800	4120	RdrCEF.exe	95
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96
PID 4120 wrote to memory of 2588	4120	RdrCEF.exe	96

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\b9ecdd0b26a1985c3bf2c41bd9b1355a.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:1868
- 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:4120
- - 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=B0582472C9C65E7598B99892FB2920C3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4800
- - 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=C34397BE139DA0E879ABB34523B808BE --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=C34397BE139DA0E879ABB34523B808BE --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2588
- - 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=7D2A17ED1409D9962E396B5B00CE34B9 --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=7D2A17ED1409D9962E396B5B00CE34B9 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1968
- - 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=5E27087E970838DF7B02A2338DAEA21A --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4436
- - 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=0756D576BF166DF07401913F844B5077 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4136
- - 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=C112782FF4A152E78AB4F34C9A134CAE --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:936

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
a47be0f9bc302321c18207c83e9265fc

SHA1
fd4fb1530a88dfa06935388658d7e6dd5b88e932

SHA256
c48304280681cdf48fc76c45af553e0835ca8d36955e46924bd9b9925fb972dd

SHA512
e0e1af4d8ed66a8edd7092c98fe45f8e0d9ef6e8ade5008da163b8f90c94b5e75bfb825274d2c5c6009a5f50a606d6212c536d99c4e66a9354d4843b1644b352

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