0d7de7e867954c7b956a1ed873f56342d92fbc854d3ded2b103317e5b461a276

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 03:39

Sharing

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General

Target

645eb0f828c4464644036dac57002313.pdf
Size

35KB
MD5

645eb0f828c4464644036dac57002313
SHA1

e735b8f4d6fd2e8603076362fde7cad3f835b7a9
SHA256

0d7de7e867954c7b956a1ed873f56342d92fbc854d3ded2b103317e5b461a276
SHA512

c04c80feb9743574f38961eb64079626a7fefbd342df0073601699fdcb8e1971450ff96f64fe84c0763d2de6cb2c39df845a292b4f9132b8a1ecd99cf52f68d3
SSDEEP

768:K9qgZRH0osiaW/qFrDH7yUVFY83j9COQKKw50dLbfg7w:Wd3MtH7rVFYmjQHw50dY7w

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe
464	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 3848	464	AcroRd32.exe	91
PID 464 wrote to memory of 3848	464	AcroRd32.exe	91
PID 464 wrote to memory of 3848	464	AcroRd32.exe	91
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4928	3848	RdrCEF.exe	96
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95
PID 3848 wrote to memory of 4912	3848	RdrCEF.exe	95

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\645eb0f828c4464644036dac57002313.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:464
- 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:3848
- - 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=02FA58EA230EEEFABDDF28AD49AA21A9 --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=02FA58EA230EEEFABDDF28AD49AA21A9 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4912
- - 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=D43A49A4C1C2E853B1B68D7A5C71F6F4 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4928
- - 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=82116BC5F7403ABE7785506A09ED2F44 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3328
- - 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=D6962C63871D676A877D6E9A556D9386 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3232
- - 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=B56C2335B8886227631AABA027F94EEC --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:968
- - 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=93C304645C3AAF6F98DDC7BD4F2EF679 --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=93C304645C3AAF6F98DDC7BD4F2EF679 --renderer-client-id=7 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1192

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4816

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
9d3ceb1cc4d51cdeb5d2d2db9a8545fa

SHA1
2c09daa38afb2b1df66d1995f14bb0e82ec2d431

SHA256
e9c07cdf2316e417a18ac49ecae097f3e4b8459855b5f6f43f7abdb0d140a4b9

SHA512
68cda2e8c8e383bbecc2c046b40df93b82d548c3b9b8f1fcffe475259a4242535ab23b5454af307d1e3aa54037db577671e0867961b6c8788ce4e4a714671302

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/464-26-0x00000000099C0000-0x0000000009A10000-memory.dmp

Filesize
320KB

Download