b10ca07198d8a6de98ccfa970c2dcad4260206191b8295311f01b894d84a612b

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/02/2024, 21:08

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General

Target

b10ca07198d8a6de98ccfa970c2dcad4260206191b8295311f01b894d84a612b.pdf
Size

298KB
MD5

22136e55d5871e25212eacf2588d5369
SHA1

63ce040898b90ff8d0dff94f8e3a1511c7a41a06
SHA256

b10ca07198d8a6de98ccfa970c2dcad4260206191b8295311f01b894d84a612b
SHA512

dd3bbb2aa24a9af6839b41bc57d42223d8d3127df8f33d790e62c0660d804c71f2597a09ef4008882436f02aa5c5aabb9f09ff6e60c3fc4dc2a69748d479ff12
SSDEEP

6144:jElsC4JlgUTAay5cZfNg7800JvVAT6soCZHdFyuRe9a5uu6:XHgMAz5cZF00JvVA1oC/W9asu6

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 4064	636	AcroRd32.exe	84
PID 636 wrote to memory of 4064	636	AcroRd32.exe	84
PID 636 wrote to memory of 4064	636	AcroRd32.exe	84
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1384	4064	RdrCEF.exe	85
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86
PID 4064 wrote to memory of 1504	4064	RdrCEF.exe	86

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\b10ca07198d8a6de98ccfa970c2dcad4260206191b8295311f01b894d84a612b.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:636
- 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:4064
- - 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=8802DDD784FBEB18ADE4B8CC642DB2A4 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1384
- - 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=01A3C8E7B7CC12F3EDA726BA3BEB9F00 --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=01A3C8E7B7CC12F3EDA726BA3BEB9F00 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1504
- - 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=0D249541F4E4ED8B6DC4846C18AD23C5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5012
- - 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=244496743DFA6A7200CF6215BF1EBF96 --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=244496743DFA6A7200CF6215BF1EBF96 --renderer-client-id=5 --mojo-platform-channel-handle=1880 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3536
- - 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=8A1583CAB1139BE59F3FA225EE8C6811 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2016
- - 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=BA2C3F39EBF803F2BF55638D444B3109 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2736

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2404

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
a5f6ecefee0f98c7f27cbd690c9b8c12

SHA1
bec160f37288da65eec1a06cb481fc887dd123fe

SHA256
e9fc0c46fea5c1aa9d330a2ff3e6370d5515a947b3af419934726d0ec07e8855

SHA512
b59b6c9009a923b68dc51b384e62a0f0878c60708e91a6396e3181258188739ece7c773292d312cfe5d1bf559552744431d632bdacbcd6903c0736d73426228f

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