80485f7102777c680e50e19d6373a41942ffc755b8966363d79357e4db03b422

Analysis

max time kernel
42s
max time network
55s
platform
windows11-21h2_x64
resource
win11-20240221-en
resource tags

arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
submitted
05/03/2024, 17:50

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General

Target

Document240304100201.pdf
Size

4KB
MD5

75dde444dcddab079e3c156b079e3bed
SHA1

a01659b1209d88918aa05943078c89e66265d001
SHA256

80485f7102777c680e50e19d6373a41942ffc755b8966363d79357e4db03b422
SHA512

cabebddd0969072637b8766a5a32963a77b2f4ebe03d4ae276034e78fe5c4f4f9d263a56438fcff0f88e3105fc00c7b9c2328021c61ad71e9e5eb7a5a0bc9c3e
SSDEEP

96:tXr/i/XUkYmdUBzXAZXPiWHV+qrC36tWeuQWlz8kyzlPvngU:tXr/i/XUPmKXoXKgTC3Mlg8kIHj

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-1-5-21-160263616-143223877-1356318919-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3684	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe
3684	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3684 wrote to memory of 4388	3684	AcroRd32.exe	83
PID 3684 wrote to memory of 4388	3684	AcroRd32.exe	83
PID 3684 wrote to memory of 4388	3684	AcroRd32.exe	83
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 552	4388	RdrCEF.exe	84
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85
PID 4388 wrote to memory of 2432	4388	RdrCEF.exe	85

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\Document240304100201.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4388
- - 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=345B2A2017F27C402C3211E2814D8501 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:552
- - 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=BDF941AACC3EB9EEC7CB427F92AF89B0 --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=BDF941AACC3EB9EEC7CB427F92AF89B0 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2432
- - 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=D3763FEF41D465681311C28FADC768B1 --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=D3763FEF41D465681311C28FADC768B1 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1556
- - 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=D80F0691EEE16E8EA18D9953D554D3D3 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4712
- - 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=148E5A469304582EA0530A4B91A0D5A1 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2140
- - 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=8795E803CC4FBE93B4C92560D2B54AFE --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2128

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3444

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
4f1e5f5870e7aa06dc28a56cf495be29

SHA1
87919b85a1f0dc4d151fde1874d914045bb8ac90

SHA256
395e91e92c645db5cc7f0f4312377d5d226eb3674ff62c75501cddd59e9be25d

SHA512
2be48b7beb926ca20e838829153d129d5540192d0b904522eb4798fa841589ae8a5166e4e738b69b5dbcd1200a4af7d1e80f393627eae046b6a79cee24eaca8d

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/3684-135-0x000000000B8B0000-0x000000000BB5B000-memory.dmp

Filesize
2.7MB

Download