6e481641aa5353b472eeae2f21d5feae3df8dfd496952c9ed4494756d20e1e18

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2024 10:56

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General

Target

8c27613644d0570f6177f23bd84b6c4b.pdf
Size

101KB
MD5

8c27613644d0570f6177f23bd84b6c4b
SHA1

66999014817e613efb1fd0eb771403a877996d25
SHA256

6e481641aa5353b472eeae2f21d5feae3df8dfd496952c9ed4494756d20e1e18
SHA512

96ce01dc04bf7e7dbc8bc4fbba30fdf1cd0335faa59efa99aae793f678a18b409349ccee95488bf2bb315adb1a93ca0ca1aad24abbc77233df29b16a6aecd239
SSDEEP

3072:sdUY0ut+IAI4FvSFahoMvj+f/9VigrTk79F:vNTbxFvXhoMvj+0

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe
4904	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 4716	4904	AcroRd32.exe	89
PID 4904 wrote to memory of 4716	4904	AcroRd32.exe	89
PID 4904 wrote to memory of 4716	4904	AcroRd32.exe	89
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 3936	4716	RdrCEF.exe	92
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	RdrCEF.exe	93
PID 4716 wrote to memory of 4240	4716	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\8c27613644d0570f6177f23bd84b6c4b.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:4904
- 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:4716
- - 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=74A05D039468FBB4B54ABCED9BBA57B3 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3936
- - 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=80DB84001CD06E59D3F48A5E8406D078 --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=80DB84001CD06E59D3F48A5E8406D078 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4240
- - 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=1E493C42B5692AEB2B25E844F881B13B --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2780
- - 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=3B18C2BF84B7BA30809B76EF96160AF9 --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=3B18C2BF84B7BA30809B76EF96160AF9 --renderer-client-id=5 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4460
- - 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=E7B50A4D3985805DC0F0AEA0D6D0DCA1 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1944
- - 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=3648B7F958A60BDA50E1B2BE346E7792 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4796

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
73dd7d37b56dc1e1d096262f77fe87fa

SHA1
cb3c99962269726cb0763e812d9a3fd6479fd6ce

SHA256
06a3ce1c501bc2cf8b92e4d18e11c40eaf0f76319f30120e9f415bb4855d9f05

SHA512
737b3baebcd95648736949643d2605980d76cf612151b9a3eaa6f6b42383cc33628b1928ce9f1d260c463c3485a7e284bc5c97e6d0708d4d7013dc3cd385bca0

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/4904-28-0x000000000D460000-0x000000000D481000-memory.dmp

Filesize
132KB

Download