98cac92d8a65fd047ab450baa5613eeeba0ebdd44e3d18fa3c4f829d523db55b

Analysis

max time kernel
146s
max time network
154s
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 12:57

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General

Target

98cac92d8a65fd047ab450baa5613eeeba0ebdd44e3d18fa3c4f829d523db55b.pdf
Size

19.4MB
MD5

3f02cb36ab4cb47272dba97daa52726c
SHA1

f6e8f6566346a655ad6d22ab96e96d3cff82479d
SHA256

98cac92d8a65fd047ab450baa5613eeeba0ebdd44e3d18fa3c4f829d523db55b
SHA512

1eace22dc02f4fa9a0100f29a28897170df99aa288ce710dce3cbea853484f24b229b0f8c8e88480cf35a0b1b04c823f444c6112bf4154071934b122b2f98a9a
SSDEEP

393216:eZuG9mIRh3YzNoXIHL5g7IBZW+ARHHIw3kEu06k9h9llhYucKMBftUfUC:ewGEihIzmoLFzWcw3kx06OfhC2fUC

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2256	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe
2256	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 568	2256	AcroRd32.exe	104
PID 2256 wrote to memory of 568	2256	AcroRd32.exe	104
PID 2256 wrote to memory of 568	2256	AcroRd32.exe	104
PID 2256 wrote to memory of 1924	2256	AcroRd32.exe	106
PID 2256 wrote to memory of 1924	2256	AcroRd32.exe	106
PID 2256 wrote to memory of 1924	2256	AcroRd32.exe	106
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 3128	568	RdrCEF.exe	107
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108
PID 568 wrote to memory of 2744	568	RdrCEF.exe	108

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\98cac92d8a65fd047ab450baa5613eeeba0ebdd44e3d18fa3c4f829d523db55b.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:2256
- 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:568
- - 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=C34161836392E3260B5187042AEB86CD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3128
- - 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=AA6BFB03742B1761EBD30AEA3A539F4C --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=AA6BFB03742B1761EBD30AEA3A539F4C --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2744
- - 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=1DF8B2318ADA88053B5F4F49D86B10B8 --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=1DF8B2318ADA88053B5F4F49D86B10B8 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1880
- - 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=3002EAA3A151B77463EC9670C6743CC0 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4260
- - 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=E9716D68E17E9FEE44D7E7332053411B --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568
- - 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=FB4E2E6AB2871AD1DEFF757DCF2D84D0 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1364
- 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⤵
  PID:1924

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1316

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=2588,i,14229658658073991926,6938034815163866135,262144 --variations-seed-version /prefetch:8
1⤵
PID:5444

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
9f505708c91e7e53f1e890b9adc4dcfc

SHA1
0f8d28c1373ab185a1ecb84f7a6af2adb1fb5895

SHA256
3f5b55d283b08a81e429462896b3bef52de378e1aee11259406814f33365bf1b

SHA512
e04476eb5899c862986e242f24763f23bfe9c9fabbfe96b6da03fc366cff577cc79512674a76e1cd0a64afded32c892caf9d7c4b4899dcfe912124ce5bd65fc0

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/2256-147-0x000000000A1B0000-0x000000000A1DA000-memory.dmp

Filesize
168KB

Download