b87b574c0d92a624c5d17b66ff9c0d465d1f53aa9dd7460c3f4938699c36e074

Analysis

max time kernel
148s
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
05-03-2024 11:10

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General

Target

b48fa8215294aafdf9dce154711481df.pdf
Size

41KB
MD5

b48fa8215294aafdf9dce154711481df
SHA1

acd18828677f3fc395f7caf329c2265193bf3f1e
SHA256

b87b574c0d92a624c5d17b66ff9c0d465d1f53aa9dd7460c3f4938699c36e074
SHA512

322ce19331c6c8f65c7565985255b159d3a1571053678c9ca1012d57e742bd01276d415fa2c8b512caf519098d2db1e9c27c710bfa2dc34b6b31e9b707d5e790
SSDEEP

768:5AtMAnmLHhX9IGj3pa5IwGhxl6AXUsgb6zGT2FS0Wz7hAI:vAmB9pj3qIlxYAXqAGT2FtWz7hF

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 504	4932	AcroRd32.exe	92
PID 4932 wrote to memory of 504	4932	AcroRd32.exe	92
PID 4932 wrote to memory of 504	4932	AcroRd32.exe	92
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 2500	504	RdrCEF.exe	98
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99
PID 504 wrote to memory of 3124	504	RdrCEF.exe	99

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\b48fa8215294aafdf9dce154711481df.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:4932
- 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:504
- - 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=A289A699673D206187945A20AE29E392 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2500
- - 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=4C00AE026EE926D88C571FE5125EFC95 --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=4C00AE026EE926D88C571FE5125EFC95 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3124
- - 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=70E42C882C460025625B469C2EA29831 --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=70E42C882C460025625B469C2EA29831 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4036
- - 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=21BDBE389DE5B914E46C68D262DDBE49 --mojo-platform-channel-handle=2216 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1920
- - 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=5A82AB12ED30027AACCAB80FA61A89FF --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2132
- - 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=5A40134E6934F3B0661F8BE921BB1A09 --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4428

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
8ec138eaf5e35ae6bf606f847cd5d455

SHA1
c2025d53845aa09601a6d748bb8c7269701c0b2d

SHA256
e1230ea7470da00937a806fd328722bee0dd3fe08784ba2048e8baa1f3c78b77

SHA512
4b57517cec6e2e7eb3bb9fee8c895055a01ec160d817c2e4a2c7e4858cf98575a6870a5fbda2cda9504198560c7bc8e4642917c3a545de878bdf95fba8917c74

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