a1b4170353655dc72769d6b48a5092d75675db6ce415d9295f80cb1475303ae0

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 07:53

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General

Target

12b409323d19fe46237851353014ff85.pdf
Size

95KB
MD5

12b409323d19fe46237851353014ff85
SHA1

bc165900d7e8ea9ad807ee3f58411dd6cd064d11
SHA256

a1b4170353655dc72769d6b48a5092d75675db6ce415d9295f80cb1475303ae0
SHA512

e065d47c84b762f9699a1ea926ae6dd51990228e6df91879e6facb797e55956313a49cbbc127060997b61535ef9dbfcf1872cac7b9da48a4134cf8f1b0a9d5f4
SSDEEP

1536:td2B6TecMlNyhUlLfDll/NrfvcTy1bi9pKsCQHG5y2/cutMI0gto42loryMSyHWj:KB6JMloKlLn/1kCi9pK0m5vcOMctoLCO

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4876	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe
4876	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4876 wrote to memory of 928	4876	AcroRd32.exe	90
PID 4876 wrote to memory of 928	4876	AcroRd32.exe	90
PID 4876 wrote to memory of 928	4876	AcroRd32.exe	90
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 1736	928	RdrCEF.exe	92
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	RdrCEF.exe	91
PID 928 wrote to memory of 316	928	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\12b409323d19fe46237851353014ff85.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:4876
- 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:928
- - 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=2AED82D91B6FC423286384BC229756B5 --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=2AED82D91B6FC423286384BC229756B5 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:316
- - 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=2B2EBF010192DB1531D1B400A39135D5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1736
- - 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=A268FD6D0FF06B947DC9A801D374B007 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2188
- - 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=AB53B16B8EF2BFA5A0EC6B467DB2C83E --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:912
- - 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=F9318A68CAEDCBEA916612437845906C --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=F9318A68CAEDCBEA916612437845906C --renderer-client-id=6 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3872
- - 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=758F6C4D3C1E11A27371B1FB3DD9F16A --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3116

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3692

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
44541503e34fbf880386fba86c7ef594

SHA1
50a7a9852e75940f351b5147e61f078b8cd4be67

SHA256
bf6b5e2c92f71972d2e6b742c6da28def6e182d6bc22bb2686d7f3b11d896654

SHA512
25fa39d3c6adbff75bf2e96a2c4c0fa52aeb0afbc58849fad411d00d8db852ddab828f9d62d6b1a8bdb17a6e6ff0a7c8da71699e29de9da48650c379f4c483c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit