bcc618b4b170c8cac2dd028e9ca4f0c9c5f585755840a9b60faae148807d9003

Analysis

max time kernel
144s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 21:26

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General

Target

0469aa15e8052cd1f59ed5eb14c9815d.pdf
Size

30KB
MD5

0469aa15e8052cd1f59ed5eb14c9815d
SHA1

28349bb8311a772afc02178582931fb8ce2bc143
SHA256

bcc618b4b170c8cac2dd028e9ca4f0c9c5f585755840a9b60faae148807d9003
SHA512

74ca3a8266776b02ea28f80985543559900320c647c31419ac4bf2a7ba6e30477c6582f1ef085410939d54e8fc45e0c2f8ab8f5f0ff48092f8f2ceef1009dbb8
SSDEEP

384:xDxcLvVMwnMu1P2xHl6OZOERrx+FzujrnCUS35F69ceaA6X/Yys4CUSCHJ:NqDdnMugrNBNx7Le61gwyNt

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe
736	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 736 wrote to memory of 2044	736	AcroRd32.exe	90
PID 736 wrote to memory of 2044	736	AcroRd32.exe	90
PID 736 wrote to memory of 2044	736	AcroRd32.exe	90
PID 736 wrote to memory of 3320	736	AcroRd32.exe	91
PID 736 wrote to memory of 3320	736	AcroRd32.exe	91
PID 736 wrote to memory of 3320	736	AcroRd32.exe	91
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 3560	2044	RdrCEF.exe	92
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	RdrCEF.exe	93
PID 2044 wrote to memory of 904	2044	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\0469aa15e8052cd1f59ed5eb14c9815d.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:736
- 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:2044
- - 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=3CBBA926488EA487ADE21B7E5AB0A807 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3560
- - 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=F499602E99200050220AA81B4F067682 --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=F499602E99200050220AA81B4F067682 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:904
- - 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=AB7C591A4F9F62003B517A8A607FE4DA --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=AB7C591A4F9F62003B517A8A607FE4DA --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4892
- - 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=7846300777D5C85B22DFE8082145F4FD --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3916
- - 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=E03DE1D86F10D7B620E15568DC162C8A --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3864
- - 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=EDEF01345FBA047F2385E7D3ABEBDA13 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4136
- 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⤵
  PID:3320

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
0d398be45d11152dc1faf771ae2a49c0

SHA1
ace44cdb1334fd6cec0f8ee1e24670fa3e78b1f4

SHA256
ebc6f2b1cc4166b97e1e209577429be7f9bad6c1b542dec4c5646434c87d4ef5

SHA512
59342685a9904b80ab4783f28a4293a36ca2668d297130c9f55115b581c41203ad78b69da775b8119331f0123d16ace3d34fba09820699812a63a2525749c80e

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