a69c72fe3172503ab9f61d5122d67fdc9dd86436c92a14eedae7eb59af676de3

Analysis

max time kernel
148s
max time network
133s
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, 12:03

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General

Target

17ed6f61585be62ed2df87b5ae4e474b.pdf
Size

91KB
MD5

17ed6f61585be62ed2df87b5ae4e474b
SHA1

bf7b96df0cc5d85747106f91d7b01151174ac584
SHA256

a69c72fe3172503ab9f61d5122d67fdc9dd86436c92a14eedae7eb59af676de3
SHA512

b4bb6c55d5d9a90f6e2c0d76281052c693104a656a227c52ef3230bbd72eef78bfee9790412daa5eedb8b17aa77092996718daf1a643e9e1b62b48366b691f46
SSDEEP

1536:9SDGkQCv6WI47zzyWtS/Z8hOxrajuaHWf2KsHrWOpOwrPIPukBOAEM:ATQgvIKDeZ84ayaJKkIwrWXBOM

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
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4768	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 1980	4768	AcroRd32.exe	89
PID 4768 wrote to memory of 1980	4768	AcroRd32.exe	89
PID 4768 wrote to memory of 1980	4768	AcroRd32.exe	89
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 4772	1980	RdrCEF.exe	91
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90
PID 1980 wrote to memory of 1752	1980	RdrCEF.exe	90

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\17ed6f61585be62ed2df87b5ae4e474b.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:4768
- 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: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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=EB18F9BAF8AB9C329FCD2C5DC89B6F7D --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=EB18F9BAF8AB9C329FCD2C5DC89B6F7D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1752
- - 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=E528E14CE7C8E3D89149D0C5CFDBAB0D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=F3DC16F66301F153322BFF3FF1736432 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944
- - 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=102D434260094DE74AB7501C5B750709 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:748
- - 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=889132AA064F9676859BA35FD3430A58 --mojo-platform-channel-handle=2412 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=945CB2C4859B6F7391405E4FDAE2D45F --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=945CB2C4859B6F7391405E4FDAE2D45F --renderer-client-id=7 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1900

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
5c53e9da3d90f3571c4f0f2657b658f4

SHA1
f627790d2236810508c76155b122953f5322fde1

SHA256
0d11b35ae87bd34555a8091567f83a14090fbae1ca7fcb42f0eeb284004bb932

SHA512
6e38c24b595e4b0eed9dea111931160c6976f64ca0f1bfffeaebad83aff882e377c3e896997efdefc3ef965ff40c8d132f34777cb598094d13b6808e312d54b0

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