77ab69787c9fc945ca5fa92d5b7ca544dc01d7e59af54a6f1a9b67f24a555f49

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2024 16:07

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General

Target

89f345074e72242a94db5d4613ffb1e6.pdf
Size

12KB
MD5

89f345074e72242a94db5d4613ffb1e6
SHA1

6b421a4d3e1274cec688718594b6f8badc40f321
SHA256

77ab69787c9fc945ca5fa92d5b7ca544dc01d7e59af54a6f1a9b67f24a555f49
SHA512

70f2d522001a40cb4f7a8bdba847349fc30a318d2dd39338b3bb7af928c280df8a18cedf5e3e02907d95d790db246d77fa3c0bd47cdff959b60e96f79b6f6870
SSDEEP

384:DLEMMLEtysy/pwP6eg2sLEwP6eg2sL9fGEfJp2fNffSl+flp0fXk+a7kewfakdf3:Dg/g02sLC2sLwq3

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
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2832	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe
2832	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2832 wrote to memory of 4420	2832	AcroRd32.exe	87
PID 2832 wrote to memory of 4420	2832	AcroRd32.exe	87
PID 2832 wrote to memory of 4420	2832	AcroRd32.exe	87
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 4832	4420	RdrCEF.exe	90
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	RdrCEF.exe	91
PID 4420 wrote to memory of 2084	4420	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\89f345074e72242a94db5d4613ffb1e6.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:2832
- 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:4420
- - 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=DE5795BC893159EB55091C79CDDC881B --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4832
- - 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=CFC4D17C69C6C874D3A681E830D48AA3 --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=CFC4D17C69C6C874D3A681E830D48AA3 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2084
- - 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=B0AB53BAB33DEEF99832B507932074ED --mojo-platform-channel-handle=2164 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4176
- - 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=20107799A505D6A690E2C17C1A4FF6DF --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1400
- - 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=BDFAE2EB8E177ED8D9FFE3FD02A7CA7A --mojo-platform-channel-handle=2216 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4600
- - 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=61E53957B978F45DD76BBAB1BC13F922 --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=61E53957B978F45DD76BBAB1BC13F922 --renderer-client-id=7 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1472

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:212

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
3d9d1b660641f2eae3a6f88e3680c095

SHA1
b46933a4d6baa07c7606c519e7eb3af481248111

SHA256
34da0e507fc0185c20d34d3dc7899aaa5d211d71924e2efd8561bbb1274d0401

SHA512
03d10b757f5be26fdf11e7d47cc4aff19dc520b0799cca22b6b21c2d663a44c2fbcee390794bc9ce060fabe9f3b28ad604d5ff8c68192636360f15d26df3fc14

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