d90e2ff491dab12844281b61ea7d9aab8dee3ead7e6ca6c217b8627ae20f6167

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
04/01/2024, 12:39

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General

Target

40e28beee7025a62ff2141c763e34904.pdf
Size

88KB
MD5

40e28beee7025a62ff2141c763e34904
SHA1

65263fcea9a650bd79a35930d56a7f1afffcc94f
SHA256

d90e2ff491dab12844281b61ea7d9aab8dee3ead7e6ca6c217b8627ae20f6167
SHA512

cc657236c15cc6e5f0ab6749b02970936e9d04c89b79a682443bdda102eedccca7c6edc35ca347cf6ce5368ca94212bbd597e852bbb05aed5773624452aad7a1
SSDEEP

1536:c5gbouTqeWtS2F47Pc4MU+H+i2qQsdBldWTqxgiDNWOpOwrWK2Ce:hseZ2F4VMUo+2dMAqwrWK4

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe
4780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4780 wrote to memory of 2540	4780	AcroRd32.exe	94
PID 4780 wrote to memory of 2540	4780	AcroRd32.exe	94
PID 4780 wrote to memory of 2540	4780	AcroRd32.exe	94
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2416	2540	RdrCEF.exe	95
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96
PID 2540 wrote to memory of 2332	2540	RdrCEF.exe	96

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\40e28beee7025a62ff2141c763e34904.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:4780
- 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:2540
- - 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=F8B1C06E071EF624573B5621DB42F119 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2416
- - 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=E1E1C5E78BCBD121DE20F2D6BCA8317B --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=E1E1C5E78BCBD121DE20F2D6BCA8317B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2332
- - 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=6FD6C494E5062C84B1ABE7542F21A483 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3544
- - 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=B6737E207181C91336FCC9EA78B537F9 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3556
- - 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=5A8D7560DE10B6FEDE6932F159258455 --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=5A8D7560DE10B6FEDE6932F159258455 --renderer-client-id=6 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:392
- - 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=6C069BE53427470D4367CF0959C6643A --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4296

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
32df9fbff808db321b50563b7b081182

SHA1
e3b2b90f2b1f0cc38f67768822822ead41f79cba

SHA256
80ab679322a3512cc491c0d872006804dcd0f9d968744fbc3388855408533758

SHA512
df5331693dde7f02a668477127e10a62a71f05b8f0425c4f01bdb1215f1c92658274edbac41217230dc0336bfe186af792d1c13141d0aa7300aca75ab613eb36

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/4780-27-0x000000000BA60000-0x000000000BA81000-memory.dmp

Filesize
132KB

Download