77c9c3fbc9a5f86cde692298987af01e7652d313970f9169ce17fd176d132f90

Analysis

max time kernel
165s
max time network
197s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 22:36

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General

Target

1635afa2e3b73c981253caf419be104b.pdf
Size

99KB
MD5

1635afa2e3b73c981253caf419be104b
SHA1

f42ab54eed3b60ba287e1eb04870c3a94b3499a0
SHA256

77c9c3fbc9a5f86cde692298987af01e7652d313970f9169ce17fd176d132f90
SHA512

2f546f80dc3cdf2130229f6cc700ad6418bac877a176bb9cb6658d92cd879cfb38e74506253da8706e4f5540d453a538b70909252be3789f29d2b601447e5111
SSDEEP

1536:s7YDNvObfNLY+1vgZo2AMCIDkazMhboA9yczZiYbVWGDBxW42h8vsmKTRbiWXpOj:FDF0XppIgUEboA8cPDBy8vsmsbS/L

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4352	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe
4352	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 3640	4352	AcroRd32.exe	93
PID 4352 wrote to memory of 3640	4352	AcroRd32.exe	93
PID 4352 wrote to memory of 3640	4352	AcroRd32.exe	93
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 744	3640	RdrCEF.exe	95
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	RdrCEF.exe	96
PID 3640 wrote to memory of 4812	3640	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\1635afa2e3b73c981253caf419be104b.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:4352
- 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: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" --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=A6C474086FDDCD655ECE7CDBA9932F3D --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:744
- - 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=9FF84EC8AF59700AF678CF3D25438305 --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=9FF84EC8AF59700AF678CF3D25438305 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4812
- - 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=5BEF62EFECC99C1EBFDF0B6C8EF4C256 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2140
- - 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=9EEBCAF79385D95762F73980E5455A83 --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=9EEBCAF79385D95762F73980E5455A83 --renderer-client-id=5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4528
- - 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=6EA8AE7244826AFA8F869169A626BEE9 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3532
- - 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=AA68B30E0A1DA79861F12F57BE575160 --mojo-platform-channel-handle=2020 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:856

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
bb59c1e656e4d404b60137f2b3d42308

SHA1
d457c11c2eedeb48fa22f6a6f71a338d19ea5df6

SHA256
a1afcbb39b68baf94e789ad0412fe7158bab365a196e64eed3f744d43d225be4

SHA512
ed96d9119bc05a0133660af3d817125710520e7df97b38403ae6da60434d497474b92ce7ced41f269c3d08ba1fc5975dcd92bc6d67b2fdff333caf4cc9aad84a

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