d4e5e9b6f76dc9ef6a2226547fb0cd3482cba2855e33c314f19241675c291162

Analysis

max time kernel
144s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 11:30

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General

Target

8c3722dc6431c0a68d9fdf474be439bb.pdf
Size

85KB
MD5

8c3722dc6431c0a68d9fdf474be439bb
SHA1

70102a80f85348096969b37109427e43a9eede76
SHA256

d4e5e9b6f76dc9ef6a2226547fb0cd3482cba2855e33c314f19241675c291162
SHA512

b76c22b196b8164adf9694014ec442e3ee065392d182c4ea4d30ded7d363194795987c0de6248698ce87c3fc6d70e0dbf1577e9d14640bd9c6fde649da57c7ce
SSDEEP

1536:w1nfYk3IxMFx1a/kNb34vLbqhx3G3D0WIAT0PocuC7WOpOaZc8qtJFcWT2:ungkNT1ac2vLbqhxWhS9saZc8gFcj

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4940	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 384	4940	AcroRd32.exe	92
PID 4940 wrote to memory of 384	4940	AcroRd32.exe	92
PID 4940 wrote to memory of 384	4940	AcroRd32.exe	92
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 2068	384	RdrCEF.exe	93
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94
PID 384 wrote to memory of 1652	384	RdrCEF.exe	94

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\8c3722dc6431c0a68d9fdf474be439bb.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:4940
- 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:384
- - 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=39F7F861D50EEC4582F1A033775F1575 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2068
- - 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=B018044A572075BEDF566A79005779D4 --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=B018044A572075BEDF566A79005779D4 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1652
- - 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=37E3047C845935B02ED05466554898CA --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700
- - 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=89B7FD138E1DAE52E6B6B710490702DF --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5052
- - 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=9E6BD6E5EBAA78E145A8D89E060C8EE3 --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=9E6BD6E5EBAA78E145A8D89E060C8EE3 --renderer-client-id=6 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3512
- - 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=6F4A9937151873F380EFCF86EE98A7B0 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3184

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2660

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
527a85133f6c1d12d642f50a5caad3db

SHA1
f7b98e16849d9614225add076d3536caabf6e235

SHA256
6a009b3a9b62726008c2a9db44e219a21005a1d09527d2e04e7fd20a505463c0

SHA512
f856fc0bde1924b7665024098ae6edc88deba9068e30f8f813b58fd121fcc1bba5600599beb17128b99df50c4e8ca6f45fbd42a9d1f96400aa477252a1f8798b

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