013f986b9a169e2e56f0124b4d7b871d0a6771ca572a8aaf39909927c8af6537

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 03:02

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General

Target

2591b324699cf21539b7b2c48f95c838.pdf
Size

34KB
MD5

2591b324699cf21539b7b2c48f95c838
SHA1

550dd861a5f6d374fc376e3a847981a018af9f1e
SHA256

013f986b9a169e2e56f0124b4d7b871d0a6771ca572a8aaf39909927c8af6537
SHA512

a1fcbf3b418b07f3c691606c4b24f917f5a75c71c4b2fadd728a0ae7642c88167a955bc457381980675ef6d0e8f3fd3514bd5475ff7bf2831ccd930ae440d6c9
SSDEEP

768:5oFtin2vl9MKJd0AtsP/JkSm9sZLGN/jqg4sVBTS+x:ytiQloTPh0spWjqgxS+x

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 4528	4004	AcroRd32.exe	93
PID 4004 wrote to memory of 4528	4004	AcroRd32.exe	93
PID 4004 wrote to memory of 4528	4004	AcroRd32.exe	93
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5084	4528	RdrCEF.exe	94
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95
PID 4528 wrote to memory of 5064	4528	RdrCEF.exe	95

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\2591b324699cf21539b7b2c48f95c838.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:4004
- 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: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=41A57EC4A5173383AFE736666959A6BC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5084
- - 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=1EF61E297E2EB9139EF14B4709127BE8 --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=1EF61E297E2EB9139EF14B4709127BE8 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5064
- - 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=4A6A054D593390B41C56287B060A3E64 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3148
- - 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=B7772DAA11547ADE39EBE5A85E928037 --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=B7772DAA11547ADE39EBE5A85E928037 --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3592
- - 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=40784C4D3182778CD5491467CD163D60 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2100
- - 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=3E6FB862EEFAA018F1ADADB015FED968 --mojo-platform-channel-handle=2824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:912

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4304

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
f2f98a2b49b3dbf7b115fbf8626755bd

SHA1
d655c87aecd822965f8a4aba6a54d4e4e95fcdde

SHA256
fda4a754fa8eb8eb06f65ef5420542fe0ce8f05abcb1beb44bae8144bcf655b1

SHA512
7fe32b7a55a0b8bff454e5a2e2116f5b0dda471c7a2defd65d23f710f50c72f22a58cb5ec400c7c6e1f6e73c1faf16cba1ce5c25e14e88160b7d0eea1d7adfbe

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