925921bf87f1a106e1a378ae739871b71270b8cc3eea6ba117f2e05b09737614

Analysis

max time kernel
147s
max time network
155s
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, 05:07

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General

Target

bdbc6461b22bcca0d2b0e20034611804.pdf
Size

120KB
MD5

bdbc6461b22bcca0d2b0e20034611804
SHA1

35f6acec7f6162627936999430851f900d1d123f
SHA256

925921bf87f1a106e1a378ae739871b71270b8cc3eea6ba117f2e05b09737614
SHA512

bd19c713318c0e2175f61214cb6370df9f0efffa922e8b82485fb235b8ed2341b31b3d2414b53ef44579865c6ca58abc31aee36dede8c689ee974838f17e057d
SSDEEP

3072:RA+cIpWmnMeiTYZ2WMIOVO+AEGLoU01KopSn8/KHt:RnrpfMH29+Usl1K1N

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2432	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe
2432	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2432 wrote to memory of 548	2432	AcroRd32.exe	97
PID 2432 wrote to memory of 548	2432	AcroRd32.exe	97
PID 2432 wrote to memory of 548	2432	AcroRd32.exe	97
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 3268	548	RdrCEF.exe	100
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101
PID 548 wrote to memory of 2720	548	RdrCEF.exe	101

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\bdbc6461b22bcca0d2b0e20034611804.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:2432
- 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:548
- - 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=8251420F9B71F2063076292376414162 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3268
- - 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=9ADEAC9573A47885F316C8645863D109 --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=9ADEAC9573A47885F316C8645863D109 --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2720
- - 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=156893CA2BEF955AFDB2CE176CF19DE7 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:552
- - 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=EF72E5EB280398E2D3B426FB3566A2ED --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=EF72E5EB280398E2D3B426FB3566A2ED --renderer-client-id=5 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2892
- - 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=2F7423FA83F162869A2AF845E56A3617 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4100
- - 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=C7E47D5387A00DA43189F235F7972205 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2568

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3192

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
0f15a656831df8e1d39aca2bff39e439

SHA1
0e35502fbdbd2b567bbf6c7dd74a971ecb6e4f7d

SHA256
80a2df9037234ea58a17129e0d11c784e7adb355fe38c9acb052706ffc7a0b2d

SHA512
7ff697ab0b089a0ea46f5aa1e4168b70c096dfad76d40863acbbad28a519250ba6deff6fe12f0c90fcbaaa9cff1e1a27a4a62bb2a3b850456bc2880096058cf2

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