bfd1d38104ba32dab08db1751d0a3bc1f69e7f7a11d9e05522ea153c2879edc6

Analysis

max time kernel
173s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 12:38

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General

Target

4b7542fb078e7195323e67307af3d312.pdf
Size

54KB
MD5

4b7542fb078e7195323e67307af3d312
SHA1

0b7d60731f13ef292f674ca89f3567426415e85c
SHA256

bfd1d38104ba32dab08db1751d0a3bc1f69e7f7a11d9e05522ea153c2879edc6
SHA512

bc1d4c7505e50d30f4525c673c3eac79c85ed045755b51bc647ce5019b13b7fcfe0200b7b66ceb3fe59dfaacd521ff55fd1098d853557b9dce3242a9a23bed4a
SSDEEP

768:PVf3H2Vf3H5Vf3HGvGRrPmMd3QtuSiqvrlUPJJSNPIfp6n6AW:Pl3H2l3H5l3H3zm2QtbpaPJJ2PIfpbAW

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe
932	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 932 wrote to memory of 3264	932	AcroRd32.exe	95
PID 932 wrote to memory of 3264	932	AcroRd32.exe	95
PID 932 wrote to memory of 3264	932	AcroRd32.exe	95
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 3584	3264	RdrCEF.exe	97
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98
PID 3264 wrote to memory of 1688	3264	RdrCEF.exe	98

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\4b7542fb078e7195323e67307af3d312.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:932
- 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:3264
- - 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=E6940E9D2168A60E47C0E53C7486E6F9 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3584
- - 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=466CE82CC4BC126B957ED1F0327951B4 --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=466CE82CC4BC126B957ED1F0327951B4 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1688
- - 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=16DC07428A5ABCFCA2423FE73AAEBB62 --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=16DC07428A5ABCFCA2423FE73AAEBB62 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4040
- - 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=DAF8D42778A5839650C04EDAD7757E02 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2072
- - 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=814CAE4FA53A42E03C60F277924BDDDC --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2860
- - 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=70165A093C7DA1C2FA32E7AC7C8DDA9F --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444

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
0e7108a9c6373c3758d47165f65402da

SHA1
53724c642253134658508cb0caa814fb4f0cb6c0

SHA256
dcbecdf0580dd7fde4a141d0db9c7fd2c34c74a700d12d880ee68c69519295b3

SHA512
7239c04affbc7b7fc01718dfc7a60beb4e649efea541bbbfb5772a00d621d9727843da226480e951e62758251ac4bc9a427f13ecb4324c34b10ab055da97a61f

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