ebcf28620d714b56c802fe6e8ed8be71d895a9bbfd60db3c92d1532b55129e2b

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 22:44

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General

Target

ebcf28620d714b56c802fe6e8ed8be71d895a9bbfd60db3c92d1532b55129e2b.pdf
Size

369KB
MD5

0778ca168c1d7de90fe98748b9b460a8
SHA1

505b1203adac1786d4da35104bc7ab303597a3b8
SHA256

ebcf28620d714b56c802fe6e8ed8be71d895a9bbfd60db3c92d1532b55129e2b
SHA512

5c5ac8502bfba4d20e3bbbcad9dfdb723b822f4aff2d29f4271bb6ff47f1d70a33721039d552243039e761fea6347eb706bfb311a2d3cea94ec9aa0a039b0a39
SSDEEP

6144:qYM9jYb4yShXM9RaCFD8pFrHEDScLy8XkzDSIHIBGITZJ5JObmQ2XI:qYgjYbkZMbp58HHElLhaSIHIkIFJOD

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-1-5-21-3316742141-2240921845-2885234760-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
812	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe
812	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 812 wrote to memory of 4504	812	AcroRd32.exe	91
PID 812 wrote to memory of 4504	812	AcroRd32.exe	91
PID 812 wrote to memory of 4504	812	AcroRd32.exe	91
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2152	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93
PID 4504 wrote to memory of 2300	4504	RdrCEF.exe	93

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\ebcf28620d714b56c802fe6e8ed8be71d895a9bbfd60db3c92d1532b55129e2b.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:812
- 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:4504
- - 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=A7DD368630A3DE51A864BF86AD08E7D8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2152
- - 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=C9A1099F54CA12E047B810DA7E4A8358 --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=C9A1099F54CA12E047B810DA7E4A8358 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2300
- - 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=6F04C6013413806E6E0D239066451044 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3716
- - 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=9EF47C83D926157E152916126A43B441 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1156
- - 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=0A2C8AF3624A53FF6D0F519E3776A48E --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=0A2C8AF3624A53FF6D0F519E3776A48E --renderer-client-id=6 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1884
- - 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=93BF5709C3C24771903276B95E98B68F --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3508

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4884

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
3637a68a4d45ebb79fc5c43f2709f0e7

SHA1
afcb0b64a48e4ae203bd9e6f916dc1cd21b7b9af

SHA256
ca02642b8be10825abdf2862e9eee779ae2dd26b975c14e85ff24dc93225b2bb

SHA512
7eca19ca9e403c7bcfa418354b1ceaf6f2076ba39354d0326f643bb48f81c8a3079914d834233269bf127bd441fb33ea48fce342d643e27175d4520d08d9b89e

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
memory/812-26-0x0000000009090000-0x00000000090B1000-memory.dmp

Filesize
132KB

Download
memory/812-132-0x000000000BFC0000-0x000000000C26B000-memory.dmp

Filesize
2.7MB

Download