99e16016b0f2bfb1bfae3b744bab0a029de391a8bec5b7847b1b89645bf408f6

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-02-2024 18:05

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General

Target

ac83506456e390d433ca09675d911c49.pdf
Size

75KB
MD5

ac83506456e390d433ca09675d911c49
SHA1

960f76ae6d3a64dcbd4482ed427eac6b46bd9aff
SHA256

99e16016b0f2bfb1bfae3b744bab0a029de391a8bec5b7847b1b89645bf408f6
SHA512

7bd9c59acdf9e0ecec371011abf668d6a5326bd4a7887ed0bd6937145dd6da352984ccd259eae48ab6a29ff8f4994ad1951db131782c2a47761e5aa365064c4d
SSDEEP

1536:kVTl6TJ70E8eIRscfNyfZVuLV8EQ5neG09D1+IOuyRrWUpO9FWb/Dt36YKM:iTl6TJYE8eLcFyf7uLVzDoxuWm9eDd6M

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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe
4556	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4556 wrote to memory of 4044	4556	AcroRd32.exe	92
PID 4556 wrote to memory of 4044	4556	AcroRd32.exe	92
PID 4556 wrote to memory of 4044	4556	AcroRd32.exe	92
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 4372	4044	RdrCEF.exe	93
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94
PID 4044 wrote to memory of 1752	4044	RdrCEF.exe	94

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\ac83506456e390d433ca09675d911c49.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4556
- 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:4044
- - 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=FEF17B0A7758F86F148CFD0087EDD809 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4372
- - 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=629CD767087708033918BCB8601ABB7B --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=629CD767087708033918BCB8601ABB7B --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1752
- - 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=011D72BA5F2E399A30D30435E4DC8565 --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=011D72BA5F2E399A30D30435E4DC8565 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3112
- - 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=D12D3E67352636BC9C3B42CD7524E45D --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1536
- - 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=8E57B9AD38F008209EF815BA49541E3A --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1148
- - 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=0996E959ABE5F3046071B4A55D9FC1F8 --mojo-platform-channel-handle=2472 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3580

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:932

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
68f72cea4abffcc6b02fc408ba27214a

SHA1
a7fc5634e6e58972eb0c2b66c3cf1c60f759f7af

SHA256
b926ea7dcf6eef88b49f1711551a31863ba23284b6213534d0f8fc78c9088d51

SHA512
872d6ee968c6ff8146bec328e8121ffce28b9ae14b098916724be8c028d51c2d7affb31b3794760d6677fcab9c7a4c60b2378552fd5ecb526cbd25162ede1523

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

Filesize
64KB

MD5
d9946ff05221935b49d70c497b28b99f

SHA1
745a8bb10272762d50a2dc3f9bb6a3a83d7773ae

SHA256
8368ac655bcf7b3204c2a0b0127761b44e34bdf26ad058ef02095c7cada7e347

SHA512
03e4e5e3d13c211ee1c803d1e9edd5b2ff950413f88cd508a806385700ba2eeda2a11d97e224096c06761fe1dc253ed91ac01c579637a5ebacb4d81b37af7bc6

Download Submit