a2f32914ef6dca8b61335b049410f9b7a02e2b7fcd82cc9b4de2aba049b08943

Analysis

max time kernel
142s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:34

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General

Target

a680aeef19078b953b468cd4d50926e6.pdf
Size

68KB
MD5

a680aeef19078b953b468cd4d50926e6
SHA1

e0120c4e97000945afd8fb18a313fce836e481db
SHA256

a2f32914ef6dca8b61335b049410f9b7a02e2b7fcd82cc9b4de2aba049b08943
SHA512

73a6ef1aba949ad43c2ea4f17a6d913f0235e63f88e953e8dee68a4b84a9db83a7e3aa88b0a21364e9fb579ed89ba491070ce170732be8cfc02800a31be641a1
SSDEEP

1536:IcJzMFuQPIoXmTqza0BRC7w+q9QtZdd6kl8zi0Y84N:B+uFymTpKOZdd6kOzi0sN

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3640	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe
3640	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3640 wrote to memory of 1420	3640	AcroRd32.exe	90
PID 3640 wrote to memory of 1420	3640	AcroRd32.exe	90
PID 3640 wrote to memory of 1420	3640	AcroRd32.exe	90
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 1120	1420	RdrCEF.exe	91
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92
PID 1420 wrote to memory of 2832	1420	RdrCEF.exe	92

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\a680aeef19078b953b468cd4d50926e6.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:3640
- 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:1420
- - 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=AF92A610E01405C6A17F390894DCE904 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1120
- - 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=DC989E79B452C421E455EC4B70125880 --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=DC989E79B452C421E455EC4B70125880 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=1622D8D49A253B806E10A793166D888F --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=1622D8D49A253B806E10A793166D888F --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1672
- - 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=03924E6AB0C65039F9409B04A5FE54BA --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1708
- - 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=C51879BC436CE7206D80651C59F96A24 --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1976
- - 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=5741C68B12438D0507D0AFAA71AB049B --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3908

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1044

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
53966a89e373fc174a56b95e24acf6f5

SHA1
5500424b58e0cda181c7e44da062cfccd4506ffa

SHA256
f93f276d29992a96b60451231597cc1b99a84fcf7fe65e5c821027493bc8886f

SHA512
6d69831febdc4476d80d4b7ea1b9babe9ebda513e57a8b573d96ffff323be3e26459f53f07893a2ceba92a0f3afc564d7981555148fa8df67e6b04059c1d621c

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