b61dd3d621326cfd96b429ea3f9a334a92640abd13fdd35547ef336154f1039e

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 18:56

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General

Target

b56ddda583e046afd0f7142e1b8d7714.pdf
Size

75KB
MD5

b56ddda583e046afd0f7142e1b8d7714
SHA1

df2034455613f436b50c4eb66c1474928da096a5
SHA256

b61dd3d621326cfd96b429ea3f9a334a92640abd13fdd35547ef336154f1039e
SHA512

b4d6a30a12a569e6bb7e790d8568ee97d9ec34101afc03e1c31b546dfd3250148478d450e7d4eab0725927cf02feeac968d32b196501189a119eed463628d9ef
SSDEEP

1536:RnZt+paxfz0HYstwYKMV3EOSHwNTLlzDDhTwxtE0DO48quVTYuobGQ3PzQJG66Y:RT+QLAYNY1pSQNTxaV+/oyeM0G

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
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2128	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe
2128	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 3736	2128	AcroRd32.exe	98
PID 2128 wrote to memory of 3736	2128	AcroRd32.exe	98
PID 2128 wrote to memory of 3736	2128	AcroRd32.exe	98
PID 2128 wrote to memory of 4680	2128	AcroRd32.exe	102
PID 2128 wrote to memory of 4680	2128	AcroRd32.exe	102
PID 2128 wrote to memory of 4680	2128	AcroRd32.exe	102
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 4436	3736	RdrCEF.exe	104
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105
PID 3736 wrote to memory of 2084	3736	RdrCEF.exe	105

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\b56ddda583e046afd0f7142e1b8d7714.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:2128
- 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:3736
- - 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=DE626E5C216AFA126AAA4802C0847B8A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4436
- - 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=167292A44A3FD0EF3F15D75557AB7E03 --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=167292A44A3FD0EF3F15D75557AB7E03 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2084
- - 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=66013F51FBB22FCA9F718A07C25913BE --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=66013F51FBB22FCA9F718A07C25913BE --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2316
- - 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=1131D2756DCBBD758B8E095D413D6676 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1748
- - 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=5AAFA9E4FE33F05941F7450F4AF6D06A --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:924
- - 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=80E160D224C0F556FE608B3155E72C81 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2360
- 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:4680

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=1340 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:8
1⤵
PID:5624

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
4e7ca3e405c454ce3d38a6838a96eb8b

SHA1
50a90f5620d5d3e1fc96bc0fc9d55550526fa11f

SHA256
945b94765dd1edbe9055744cf03bffbeb848e4717a635779e011820d21915713

SHA512
ff8a9c984ed13f80f817df70f28c6486a1a201c66a93cc5f17e6a91dc3d98fa81abfd75f8b8f5f9e9f7181d3185732eac91c1780fa7b7d06431308d6ff8ee98a

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