371611e5f2a8fcf856b04106e9df5f344912a8fd15984d8a5d7769ce28b927e6

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 05:33

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General

Target

71d649cc9b9dd390c35e6fa736a42205.pdf
Size

36KB
MD5

71d649cc9b9dd390c35e6fa736a42205
SHA1

5c7a5d286c32fdae182c7379822ec3e53ad7b152
SHA256

371611e5f2a8fcf856b04106e9df5f344912a8fd15984d8a5d7769ce28b927e6
SHA512

a200cdba203da9cefebc3601f52610e26f1fddef03f404d94e1ebf2ee9a0872eac5218aa6862312e757edc3b07d3d6afa8daaa0e6adecc8d083e773a17eb9555
SSDEEP

768:3P9Sv98/mcsGywz8V5t1jPfcYuMHRGnUJX2Mx:31Sv9S9yK8zt17cqGMx

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe
3076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 4556	3076	AcroRd32.exe	89
PID 3076 wrote to memory of 4556	3076	AcroRd32.exe	89
PID 3076 wrote to memory of 4556	3076	AcroRd32.exe	89
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2204	4556	RdrCEF.exe	90
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	RdrCEF.exe	91
PID 4556 wrote to memory of 2820	4556	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\71d649cc9b9dd390c35e6fa736a42205.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:3076
- 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:4556
- - 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=77C7C3C1F8FF12B48E54B7F67697CA2F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2204
- - 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=8DF25E0E17B0C70325A9436004A260A3 --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=8DF25E0E17B0C70325A9436004A260A3 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2820
- - 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=F7A577719A3EF580FA48C3F2D3CCCEDF --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1980
- - 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=1B7C07A62AF97D08CB9F13E28CA288FE --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1824
- - 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=58CE8B19F7C4246F5F9C07F069E9A020 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4868
- - 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=76165BA8675FD6BE3C0FA9CCAA916FB3 --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=76165BA8675FD6BE3C0FA9CCAA916FB3 --renderer-client-id=7 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3800

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2304

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
5fb13bdec5467015914d9de71d1c6eaf

SHA1
fdf4b7c64fcdc13d6caf63607d7e3a9a86e76b4d

SHA256
4da374dea11b9fc5c78154c2ad6c3a27ae4e5a2855f802244e89943e09bde1c0

SHA512
a44cd5f287196405686234be43402da7312dba5a0b29926c1baecf2e9e1e1aa5ec6250f24eb7d86fe14194ee390c099d3668b32c4828345bf329b15d62351960

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