194796e05b82bf7b8fa2207b9de498dd339215055fc883627932f8a151a72de4

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 08:57

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General

Target

8bed9866b085d36b461e0f57ad52d6d3.pdf
Size

65KB
MD5

8bed9866b085d36b461e0f57ad52d6d3
SHA1

b6137ebd1e36ac8d6cb37ade616ac6fab70c7789
SHA256

194796e05b82bf7b8fa2207b9de498dd339215055fc883627932f8a151a72de4
SHA512

801dea8269791d184af071362d5480e331f071142f6f32054f35ad2c2e141d9112d9815075237c206f9610cc4c6cb78e1efaca9ac9fe58bbaf0bd6dd10f36bb1
SSDEEP

1536:RM1U7QUSIjaIE9E5Ea/8X9FjOtje8FTrdAGCgsXzHe:sU7jSdIE9E5Ea/ksBrdnj

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe
588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 588 wrote to memory of 3756	588	AcroRd32.exe	87
PID 588 wrote to memory of 3756	588	AcroRd32.exe	87
PID 588 wrote to memory of 3756	588	AcroRd32.exe	87
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 4952	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 3736	3756	RdrCEF.exe	90

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\8bed9866b085d36b461e0f57ad52d6d3.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:588
- 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:3756
- - 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=232035A919910AC661A3FF503B5B46E3 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4952
- - 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=F35C764927D3CAA181811D7415EF26F7 --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=F35C764927D3CAA181811D7415EF26F7 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3736
- - 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=9DD5DF7FEA2CBD73C3BCF8B03BD3B14A --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=9DD5DF7FEA2CBD73C3BCF8B03BD3B14A --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4692
- - 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=F1179ACDD62EA9D3FAF4FDD26AE0DC7B --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=5ECA3F96C9019DABCC9A1A4357DA15D2 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1984
- - 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=1AC72B2F718E8665F4C29D4332DDD0F2 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2508

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4948

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
7e8100c83278555d47e961bcf803e870

SHA1
db0d5c57d9d18da8c4ccd785091e5a72c7391a51

SHA256
46613afaa710b486daf12630790ea0a03f9a903c92d14a0739c0d47b8d24f67b

SHA512
ab8c796e7bef6909445449e9697827a7083faff7476c56a17f4cc2260a0b57bd9569134b95520e1b65a4d9b692050502a94f376d0b0278959fc40dc475870a34

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
memory/588-28-0x000000000B0B0000-0x000000000B0D1000-memory.dmp

Filesize
132KB

Download