4300de2e72bb6ec26c7af35b8fb1d3c23c40a48ec14a827dab44738692dbd5ec

Analysis

max time kernel
142s
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
28/01/2024, 12:09

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General

Target

7d16954684ced6d507456c8efbd2a458.pdf
Size

72KB
MD5

7d16954684ced6d507456c8efbd2a458
SHA1

003cb5f983110e056f9d2ac43e74f45d7916bc75
SHA256

4300de2e72bb6ec26c7af35b8fb1d3c23c40a48ec14a827dab44738692dbd5ec
SHA512

2031c51add4cbdb885198f83a0775bd12db85e1d4ff243d5ed4207cc157943e46cf8d1a8e8ee89eeff53b623ba8f26ce393722e0a504a66c55bb9096b59c1fa6
SSDEEP

1536:ZPgoO5toQ1PL5Ifonq3d3N/LLQIs8hHWHpOvIeC36Wbwi2Nm+rLx:XQto8ifonqt3NjLQIp1vO3twihA

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 528	4956	AcroRd32.exe	92
PID 4956 wrote to memory of 528	4956	AcroRd32.exe	92
PID 4956 wrote to memory of 528	4956	AcroRd32.exe	92
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 860	528	RdrCEF.exe	95
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	RdrCEF.exe	96
PID 528 wrote to memory of 548	528	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\7d16954684ced6d507456c8efbd2a458.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:4956
- 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:528
- - 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=9F53EBC4FEE5DD40F3FAFC74192E3955 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:860
- - 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=4EC643BD30EA864058AE16DD3332845A --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=4EC643BD30EA864058AE16DD3332845A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:548
- - 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=C72FCEBE7F13152FA2E9FD56067DC39A --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5028
- - 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=708AD1D713C54B3470136343074A8CC2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3416
- - 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=CF0A9D7FF629B7F3EA0492B529C3127D --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=CF0A9D7FF629B7F3EA0492B529C3127D --renderer-client-id=6 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4500
- - 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=0B6A66829D52FE91D02761FB3E4488A3 --mojo-platform-channel-handle=2728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1328

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
af4f8301de930d52aa2be69a510b7f53

SHA1
6b7d8a781fb9c032f0414da0dbeddd55ae0800fb

SHA256
29e53c12f6ac826652a95bfcdb0dfdd3585e2fc569c775918a3f64a71a499c8a

SHA512
9443b60cf04cd80517e3ba854bfe8b8059e060b44603e66ac3d1b9bfedc9e6d209edc4aa92ae7a7f1999812d081d6ec01b27a3064c2da8ea6d71d5b4d7905ac2

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/4956-26-0x000000000B3C0000-0x000000000B410000-memory.dmp

Filesize
320KB

Download