4cfb88da3d0cb631b4233c6cd04648a23501a8b537d1bb4187e8b0720926760b

Analysis

max time kernel
149s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 11:09

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General

Target

cb4083a9e73b5d9922e22e4b66254354.pdf
Size

76KB
MD5

cb4083a9e73b5d9922e22e4b66254354
SHA1

b4cf38a117b9b477eb2959defee0de77029edb95
SHA256

4cfb88da3d0cb631b4233c6cd04648a23501a8b537d1bb4187e8b0720926760b
SHA512

333f1aeea3ad93bd7b1a265cc9edca80eaaea34c1e07c91bfa3d3e3ccb5840e47511a7c1f440e67c6c20daa4e336fbf5aa1bb6ee6914299f1d2f136bec2d4505
SSDEEP

1536:atfNMwmjDffCeyFrV0LGrOGK+1eD3UL1Vr4sZ7ApEs7:eVMwwHC7lr5tgDELLd7Un

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4092	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe
4092	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4092 wrote to memory of 1088	4092	AcroRd32.exe	97
PID 4092 wrote to memory of 1088	4092	AcroRd32.exe	97
PID 4092 wrote to memory of 1088	4092	AcroRd32.exe	97
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 2452	1088	RdrCEF.exe	98
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	99
PID 1088 wrote to memory of 4824	1088	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\cb4083a9e73b5d9922e22e4b66254354.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4092
- 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:1088
- - 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=DF60285005E12F96640597906B5E87E6 --mojo-platform-channel-handle=1704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2452
- - 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=20A1167CAF2E01F6FCA641780EDC77FF --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=20A1167CAF2E01F6FCA641780EDC77FF --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4824
- - 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=284F72674133C93602E2B3F1EB47FB38 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4416
- - 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=C977AC134B6605EF7CC833A8E1C2AB66 --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=C977AC134B6605EF7CC833A8E1C2AB66 --renderer-client-id=5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3904
- - 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=F35C01DD250798697F403E9F0283E0B4 --mojo-platform-channel-handle=2604 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2924
- - 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=DFE467F68FBB29A2E297A910BC1E8E9D --mojo-platform-channel-handle=2376 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2512

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
15e352ebf6c78f7bbd7d30632c7e8ea6

SHA1
13d54fe99d10a65f8b2dbf63b12e2cc0b8f8ff8f

SHA256
24096133160a57025077a2d53e2aeebea67cb9a44808c838ac91f5a448a856aa

SHA512
4091c18206a42442d61c656d4aec8b412f3f46a440e33406142dfd885fdae79b92d8b4c212ea35c29600832d13b7c33efb9fb8e7bab42c657c71ab426fe642ed

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
4b99d8708058ff8b83dd90cba06170bd

SHA1
19549a4475b13ec22a1b600e0ec231c80c2f22b0

SHA256
a89e2057b9e23cfcf9932c760442628123aee92f717b37f80bf683ff4a6e1752

SHA512
2287995c993c66ce337b52313316a01810165fe7225e5e01e5b3d4b6e283a4994103cd4006021436139b72dc938a5b0aab6f38a88ab066bf75093828263acbb0

Download Submit
memory/4092-42-0x000000000B390000-0x000000000B3B1000-memory.dmp

Filesize
132KB

Download