bb56568d687613a83c528282fdb25a898913be6ee0276eb832c550b6edc10778

Analysis

max time kernel
145s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/03/2024, 22:17

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General

Target

bcf1577bec836b8a758793b8ac1b5c1a.pdf
Size

75KB
MD5

bcf1577bec836b8a758793b8ac1b5c1a
SHA1

f3dfa92027ebf4d63c09d4ad4d8d39399c489732
SHA256

bb56568d687613a83c528282fdb25a898913be6ee0276eb832c550b6edc10778
SHA512

ee01651b18f6d13cb965f28c0c5b73e15e9ad266234b5368c9c97688eacf19807f08a3fbf7b896016897daefb8398ab982faef8b4c8c52508028dbc7978bdf7f
SSDEEP

1536:TNJZG/41er3QZjoRp9FDKcf7+HwC3SHp9pGUi2HMm/Kh:HZG/41ebFDtf7+D3SHdfvwh

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 444 wrote to memory of 5032	444	AcroRd32.exe	99
PID 444 wrote to memory of 5032	444	AcroRd32.exe	99
PID 444 wrote to memory of 5032	444	AcroRd32.exe	99
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 2880	5032	RdrCEF.exe	101
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102
PID 5032 wrote to memory of 400	5032	RdrCEF.exe	102

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\bcf1577bec836b8a758793b8ac1b5c1a.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:444
- 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:5032
- - 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=860BB9D08033AFD7F212F7EECF20B154 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2880
- - 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=A254BEACD0866669036E7C12B2DD1CCB --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=A254BEACD0866669036E7C12B2DD1CCB --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:400
- - 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=6B0560749A892CD20FAF84231315FE15 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:752
- - 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=E7E0A6496740BBA815190F9D1EC7F9F9 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4616
- - 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=08BEA4DAEA1BBE7696DB9D7A96305746 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:228

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3044

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=3676 --field-trial-handle=2264,i,7010714054498059916,1862725710331979271,262144 --variations-seed-version /prefetch:8
1⤵
PID:4072

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
08fb5ccde2219c3190c3a9bf690a6bd6

SHA1
55429d74cafd63a863d2f79bf27e745bab9265b4

SHA256
37ba57ab2161fc8dda8d648d868851aa1ce57e7c1fd5779515c408143000d3c1

SHA512
b5a77fe31d50575e3334274978ae280978c7bd36fc8c7dc876dd980003159dea6c50d143eec13d94875d821f6d9f42588d18aa1b5ec0b246982e42231ba66297

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