1ac9e518b8c5ba891e25818214e17a492237c59ce173fd8739bb524968ec5049

Analysis

max time kernel
154s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18/03/2024, 16:09

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General

Target

d3eff42a478c2df2ddc62fd625953aad.pdf
Size

84KB
MD5

d3eff42a478c2df2ddc62fd625953aad
SHA1

7b3c189b31cbff4bb5ebeb0136b01778339becd6
SHA256

1ac9e518b8c5ba891e25818214e17a492237c59ce173fd8739bb524968ec5049
SHA512

179af50750d444094fdba11be09044d513b878219a6dcf208a640be31461a74d745271a6fc8b68273d82fc8decde50528083b9e5246f94ab7e7aff9c7c0a0b47
SSDEEP

1536:yYSR2twncce7rQ73piS08EBnK+qTGMYyWuMiJvLWOpOaZEWe04VzFBt:MItWe7rCpiFRBK+qTEybdv8aZYVzN

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3312	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe
3312	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3312 wrote to memory of 5100	3312	AcroRd32.exe	103
PID 3312 wrote to memory of 5100	3312	AcroRd32.exe	103
PID 3312 wrote to memory of 5100	3312	AcroRd32.exe	103
PID 3312 wrote to memory of 1976	3312	AcroRd32.exe	106
PID 3312 wrote to memory of 1976	3312	AcroRd32.exe	106
PID 3312 wrote to memory of 1976	3312	AcroRd32.exe	106
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 3792	5100	RdrCEF.exe	107
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108
PID 5100 wrote to memory of 4824	5100	RdrCEF.exe	108

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\d3eff42a478c2df2ddc62fd625953aad.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:3312
- 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: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=6653DE6B2FEDD7E8A1AFD238177B0B18 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3792
- - 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=7D52B9C05F3D14993E44EC771C9278E0 --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=7D52B9C05F3D14993E44EC771C9278E0 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4824
- - 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=480B3577D4DA560A97E5373A81401163 --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=480B3577D4DA560A97E5373A81401163 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1572
- - 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=88C0281D9FE284B666B413BE485433D2 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976
- - 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=25BF05AE9C276A1D412F58365E7B56BE --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4276
- - 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=43FE7899249869918D54C2675AEED0D9 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1724
- 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:1976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1976

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:5868

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
941192734d3ed8db5c0601cf683ad738

SHA1
436289c4985f529e6454f0eed3c7c1c9ab041949

SHA256
2190d5d79df0588eca252ba1c896cb6a1508c6a8ef382bfbe9a245231d9f162d

SHA512
dc52e5498898b124b27dab315843d162c2374655333a0666a83bf0aeb48c44673ac0bbbf887e561a07648111a3f40759140a578e951100f28c6d7960ca96da41

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents

Filesize
12KB

MD5
987b213883cfc538d22ce7a65e6dfcfe

SHA1
c03904484bc99a9c993f750a12a896442e1482d0

SHA256
f087f09a77474c9ede8339d556904b9071dfdc4048efda7da4d7ce48965bfdfd

SHA512
4674bcd6ffb68299fa3bd075937de62c8bd16b10bfc5347a61ce85ee9b78175a68eaf3f4c49b92d88f7a486d645f022bca83e19dc5c3de27d28ddbcbcadf1901

Download Submit