574ce9b0a834289d965d67031d0dd7e55159b9015fdf262fb0b0495a56c0b504

Analysis

max time kernel
145s
max time network
146s
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, 06:08

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General

Target

8b986e8279da9d81f9c571d2aa8bcb54.pdf
Size

37KB
MD5

8b986e8279da9d81f9c571d2aa8bcb54
SHA1

b95ff838ce357661a7ef2a43312662b2a18d7730
SHA256

574ce9b0a834289d965d67031d0dd7e55159b9015fdf262fb0b0495a56c0b504
SHA512

492265b1dcc7c156be9577fb913676eccf29ebb6f520c310c7353dc8308f1632425a9661b688c13aff240624afc520496c73349283748381db03e2858effefc1
SSDEEP

768:Yqemik6t/AnHq1CvWza0zU4veSgDpXJwMWsewVJOTJF0Db4y3:Yqexk6t4nK1CvUFA+Kp5KseUJOTwDbR3

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe
2980	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 908	2980	AcroRd32.exe	87
PID 2980 wrote to memory of 908	2980	AcroRd32.exe	87
PID 2980 wrote to memory of 908	2980	AcroRd32.exe	87
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 2004	908	RdrCEF.exe	90
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91
PID 908 wrote to memory of 3684	908	RdrCEF.exe	91

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\8b986e8279da9d81f9c571d2aa8bcb54.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2980
- 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:908
- - 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=A2D66B753AF99D18FC960397C290C28D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2004
- - 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=7F6C67D1FFAB56CAEF037EC6991B1E0D --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=7F6C67D1FFAB56CAEF037EC6991B1E0D --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3684
- - 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=6E6C30FDD947638ED40397E60EC74C5A --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1248
- - 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=4EB8DAC1D22BC35F87746E2276A7B366 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144
- - 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=D68F23C1E4CE009EF8D4A7054DD99AA5 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:336

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3744

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
eaff9b75d327209d87262b52f5e87725

SHA1
97bebf092e2a7055cf0003d5602e4dc48aca6472

SHA256
3791cb2c601300979c372666649aa41146db8c67e40228b94e37a02305106561

SHA512
9e85801b568a1b33c04cc2ae18142ea4a756092ddd0730b4c172d55f34d6452082702288ccee1c6090e9ec7c480ad1390c71847e1f4c447e202271be2685f44b

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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