ffd4626bcd2187ddb862d5ffb84dbcd91d6d30b2e40a55a9f04f0b7fc30c289f

Analysis

max time kernel
94s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
06-07-2024 01:09

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General

Target

25b79240047096fad4875ae3e790cff0.pdf
Size

82KB
MD5

25b79240047096fad4875ae3e790cff0
SHA1

72b9cc7d3afa9e3f5ee7fd17e26e4008b6e6591a
SHA256

ffd4626bcd2187ddb862d5ffb84dbcd91d6d30b2e40a55a9f04f0b7fc30c289f
SHA512

fdcffa60f666d76f188b02a756a68c7a555c364aba491d192ccf5c61145a5925d197b3f694dfb290f4fcfb4b225d4a47a9a550f6669230b5551eae33339ee6f6
SSDEEP

1536:emEl7aXf0K8OYhn8LIpEqg9jx5h4odLgzI1aeqg24wuNl2nQLLjt:+7aXMiYhn8wEqgduug0QJg24wuNlwol

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-1-5-21-587429654-1855694383-2268796072-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
776	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe
776	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 776 wrote to memory of 4428	776	AcroRd32.exe	85
PID 776 wrote to memory of 4428	776	AcroRd32.exe	85
PID 776 wrote to memory of 4428	776	AcroRd32.exe	85
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 4940	4428	RdrCEF.exe	86
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87
PID 4428 wrote to memory of 5052	4428	RdrCEF.exe	87

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\25b79240047096fad4875ae3e790cff0.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:776
- 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:4428
- - 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=5427A1419E0CE473B48E17D84608A207 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=823CA275474C6861C8E9F52CB08A827A --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=823CA275474C6861C8E9F52CB08A827A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5052
- - 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=5AE9308F729CBAA8B233F6E91718229B --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=CDDE39A7760584D342500E5BEA2C013F --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2740
- - 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=3F0DD41B4291AD6F1B3238A07DD68350 --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=3F0DD41B4291AD6F1B3238A07DD68350 --renderer-client-id=6 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5072
- - 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=FF46B7E3DA0E95BFA179D27107D27F89 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2344

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
c513cd568995e723bd11855b1339b089

SHA1
84e37671527c39eb003528741e02cbf3c18a28b1

SHA256
4a9a0d072be867b85b61e381e7a0ee9b8206609f872d39d0901724b3a6c62349

SHA512
343d257e70871180540a661872840d72f4909dbf131561e3f3502269b012bd39e389d14dbfd14c2581ae702addfacfcd81c5d995ae3566fa90bf2f4bfec0e873

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