8143960c48f3b24e408da341556fd3a3035dfc12712bc06c449080f16af84205

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 12:53

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General

Target

a3d5f43380235248595192b061e31a2b.pdf
Size

46KB
MD5

a3d5f43380235248595192b061e31a2b
SHA1

1da8285323ab1ba1e485fb8f3f177867304cc266
SHA256

8143960c48f3b24e408da341556fd3a3035dfc12712bc06c449080f16af84205
SHA512

b4657e2752dcf8f60a539b1225a4b99a7f02460734becfe06702558fc51f03a1574beca479acd545d4ec40c77c34300a9b2c163dddb733fbc131c7b145ee0d95
SSDEEP

768:fgGzpDipeXpAJPCzqhxVQjwoAGCYfXGF85Tq6rDtAUcbEHtOyJ0vRtClDn3+jYFt:oGFWpeQRolXFBnrDt0bENOyaRM53tiZo

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-1-5-21-1392040655-2056082574-619088944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4332	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe
4332	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 1588	4332	AcroRd32.exe	94
PID 4332 wrote to memory of 1588	4332	AcroRd32.exe	94
PID 4332 wrote to memory of 1588	4332	AcroRd32.exe	94
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 1136	1588	RdrCEF.exe	95
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	RdrCEF.exe	96
PID 1588 wrote to memory of 5096	1588	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\a3d5f43380235248595192b061e31a2b.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:4332
- 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:1588
- - 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=F2C6A4346322ECA6133DB8721A544398 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1136
- - 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=E074EC757311FDE14C16ACB45492CCC2 --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=E074EC757311FDE14C16ACB45492CCC2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5096
- - 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=F4828C6F5E86F58DB2C2C4E95BD62235 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=6AD19A61BA4E57DBD61E55A4A46CFAB6 --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=6AD19A61BA4E57DBD61E55A4A46CFAB6 --renderer-client-id=5 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job /prefetch:1
    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=54FBC52789AA2C7BB5CC0CCCC4184154 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4788
- - 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=E4D55FBE999A593C5AF91CACE34DD9E5 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1732

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4912

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
f8f06dd1cb51472a54e7d2267da248a1

SHA1
f8f742bcfcddde2c943296188295751c873ec264

SHA256
b8cc2ec8bb1ad7d92861803063b62da3a488d1ea6a8a2608cda2fb0f2241e4aa

SHA512
0decf04dd5bc3b86fb52035f95a16cbcab32683dbe205a65e44d9e6ef95f91f93cc569650fa1465b1dd97c44c5228c2571bed26612ed1d5e86265ce08159fd4e

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/4332-26-0x000000000B430000-0x000000000B480000-memory.dmp

Filesize
320KB

Download