0e951d5264cca17f2f57f0f21036f20c9444ef72b65fd28a67130b0a3618dea4

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2024 19:03

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General

Target

72ce37d564dc9e12a820f32c31b6cfb2.pdf
Size

110KB
MD5

72ce37d564dc9e12a820f32c31b6cfb2
SHA1

c18ee7a262d18b6dcd953479afddec1b17a5f362
SHA256

0e951d5264cca17f2f57f0f21036f20c9444ef72b65fd28a67130b0a3618dea4
SHA512

76e424aae53dbcc2fba8e980d4dc7d661d07876e8bbcc580c49754d6c69f27b3c93de8bcdcd8dbd092e588f88d92ef2c6cd02a76e38929c9a189972641446a46
SSDEEP

1536:f/2xSvT9hwWw8T9pd4wdC4spRMYNvFfkIUODLDiTcvj6W0enoXwz4CWOpOZj/G:nWSvT9hwATbdbdrsQYDUO3Diuj4gsHZC

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
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2108	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe
2108	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 4800	2108	AcroRd32.exe	91
PID 2108 wrote to memory of 4800	2108	AcroRd32.exe	91
PID 2108 wrote to memory of 4800	2108	AcroRd32.exe	91
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2928	4800	RdrCEF.exe	92
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	RdrCEF.exe	93
PID 4800 wrote to memory of 2208	4800	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\72ce37d564dc9e12a820f32c31b6cfb2.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:2108
- 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:4800
- - 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=C8CF56899508E4FBACB0834D98431413 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2928
- - 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=216B6A8CD5ECFB076CDD25DD1638D3A9 --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=216B6A8CD5ECFB076CDD25DD1638D3A9 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2208
- - 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=535304B75D89223190C29907742408C4 --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=535304B75D89223190C29907742408C4 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1488
- - 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=9558B56077E169948CA56A557BCDD73E --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:964
- - 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=238979DFD178AFC70369A8461BDE8D8A --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=9F469EC66DBD7A32D96DA7304C8E9C63 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4660

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:960

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
e2afc59d38c7b74acc98db306b40e736

SHA1
be47f168de7d0f710ccb2271afae20e6e48783c3

SHA256
22a82dba73cd00811fafd1dbe224955cdfc5bbf9a04034916f8f539694755c9d

SHA512
7791a40ff66cc3ebc397553ac87370d8c3d102c39d0602dbabfcd6402b2e6c8b4e149a8bb95c606003ea28f7cffe524a7a28442aa9c5dbce6b1b4abdb2d630e1

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/2108-27-0x000000000B920000-0x000000000B941000-memory.dmp

Filesize
132KB

Download