4e5a99510302757c3993f76b44c0f27e0eb3096b3745158d0da2ba79b84bb0d0

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 21:47

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General

Target

473ed1c2a9665d686b2110023646b5bd.pdf
Size

35KB
MD5

473ed1c2a9665d686b2110023646b5bd
SHA1

6920544482076eb947cddd236d1f237a0438703f
SHA256

4e5a99510302757c3993f76b44c0f27e0eb3096b3745158d0da2ba79b84bb0d0
SHA512

724890ae72388d496482bfa672a7686172dd6281b21369e118353c28e72ff67fe33c783a93e6c943cf39669dce833e83927036374ddeb00512b9afb188747cdd
SSDEEP

768:aZpoY9CrUq6zdmJjXjj1hq1Brhz77osHohrBu0FJ3qtgD7MacRVGah7llljdraVK:aZpoY9MUq6zdmJjXjjO1Dz77Nmrjvc/V

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5056	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe
5056	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 4872	5056	AcroRd32.exe	91
PID 5056 wrote to memory of 4872	5056	AcroRd32.exe	91
PID 5056 wrote to memory of 4872	5056	AcroRd32.exe	91
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 1680	4872	RdrCEF.exe	92
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93
PID 4872 wrote to memory of 2472	4872	RdrCEF.exe	93

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\473ed1c2a9665d686b2110023646b5bd.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:5056
- 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:4872
- - 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=0AD39F73A01ABDFA57A3B0154BCB92E2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1680
- - 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=999216D71C68CD730C6A6453415E83B6 --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=999216D71C68CD730C6A6453415E83B6 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2472
- - 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=0128E7DD1A7B7B22A25A4A078A605980 --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=0128E7DD1A7B7B22A25A4A078A605980 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4864
- - 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=443149179A6861584BEB67D82C6F3750 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2704
- - 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=552BA3FAC88245598515528139F3C15C --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=AAA9D27008F43AF26991EFEAA128A61D --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1460

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4728

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
f39f18acfc17965f194898090651433c

SHA1
2fd39633b95c59763e73a44c6ac8aa01e2495f89

SHA256
730186ace98af9defa2cf757302990890d8aaae54591dfec853e5e37b2ffb2f7

SHA512
bc2944af79d80b40fdeaa30a28b28795d82d09e21da1c5fd691897c86a1e351976af889a6dadaa7a27c720fb25d41e1cbe3c222f79ee16b6ca69df1ff0bb246b

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