989aaa7c6a2d7f2e045b80feda342c1cd58fb13bed3f408ee3a1d8d8879ab6e0

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 05:35

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General

Target

bdcb34e4e931fa812e037358ad9a9913.pdf
Size

45KB
MD5

bdcb34e4e931fa812e037358ad9a9913
SHA1

85d2ae70d05f9667fa9c97732597967c22e96f4c
SHA256

989aaa7c6a2d7f2e045b80feda342c1cd58fb13bed3f408ee3a1d8d8879ab6e0
SHA512

2bf57c005fbb5999e2b5f7306239b94c439dec40481da32551ab7b5548655f87067d95cc39fbf5a9cd815a29b3624390a3a18455a2e91dae666d86aac455107e
SSDEEP

768:EOTh8oZVP2dnD5Rpn4YCLPoScrFZM89VPqkmfw+VlS/hcR:EOTh8oLYCLwSEZ9VPnmfw+fSGR

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4252	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 1772	4252	AcroRd32.exe	95
PID 4252 wrote to memory of 1772	4252	AcroRd32.exe	95
PID 4252 wrote to memory of 1772	4252	AcroRd32.exe	95
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 412	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97
PID 1772 wrote to memory of 2184	1772	RdrCEF.exe	97

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\bdcb34e4e931fa812e037358ad9a9913.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:4252
- 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:1772
- - 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=12B18FE01266F3E151B9B8B2AE442EB3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:412
- - 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=12EA6FA42EFD6C072CDB6193E393C86F --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=12EA6FA42EFD6C072CDB6193E393C86F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2184
- - 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=78E09C51F5F92D4C9E7D8AC18D5FAEE9 --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=78E09C51F5F92D4C9E7D8AC18D5FAEE9 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5032
- - 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=9A5D169D8DB83DF34CCD579B80BECF63 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2864
- - 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=4BF7D447205C09566E63974E52B3A314 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3728
- - 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=7A15BADA3DB138DAA654356B2923BA8A --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2332

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1728

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
03620b066c8b4b6e9584bad4305440a4

SHA1
f545c195d0df6c879f9818967d91d18b3cc60705

SHA256
e244dd413c7378aa1050da0d385aa954a269730108a0822e42517d1201f96705

SHA512
1bf90b3a6824ea296ab0ead4781e20e43c54efe3adef4b1b121ddcb8f89be1fe48ba006a7795bffc78acc710e07768721d09b900b4a44bc3652a41516650ddb0

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
memory/4252-28-0x000000000A110000-0x000000000A131000-memory.dmp

Filesize
132KB

Download