3dfd97dd205ed8076e22d1529eec6d4815e15903074f82fb742729257398e28d

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 15:02

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General

Target

c62d2ea82619a5d0bb4d547381127ae1.pdf
Size

91KB
MD5

c62d2ea82619a5d0bb4d547381127ae1
SHA1

61f488cc28a9753ac0e60a6ff652d8ce481fa457
SHA256

3dfd97dd205ed8076e22d1529eec6d4815e15903074f82fb742729257398e28d
SHA512

58533d9ed2edb2f070b6f4e7ee494d491ed15c1ff15d99e54a5f263e22b4238449ade33f44b60cb2fa8a14e7ea38cd0aef7ba3d104aa79559f59227c8e014853
SSDEEP

1536:h5DZBobG9+oFNlHBbR3W6Z9VG6XXBzJiRgw7BT4CKik0VWHpOvTWMPiaB5FwTaUT:HYbGwoFxtWgPG+XBsRJpKikyvLB5FoaI

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe
808	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 516	808	AcroRd32.exe	93
PID 808 wrote to memory of 516	808	AcroRd32.exe	93
PID 808 wrote to memory of 516	808	AcroRd32.exe	93
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 3080	516	RdrCEF.exe	94
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95
PID 516 wrote to memory of 2012	516	RdrCEF.exe	95

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\c62d2ea82619a5d0bb4d547381127ae1.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:808
- 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:516
- - 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=DE052CF2CB47F6D611A732074CEDF687 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3080
- - 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=993FA2728D46B8BC4FEEC7550CF3F14A --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=993FA2728D46B8BC4FEEC7550CF3F14A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2012
- - 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=0861E9D50BD01D1E315D2C74A3451B85 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3964
- - 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=88A45BA1A309182D5937DC2655EBCEA2 --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=88A45BA1A309182D5937DC2655EBCEA2 --renderer-client-id=5 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5056
- - 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=DA7FD20AF336526FF9AC203C3CDAA835 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:556
- - 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=C31C98BCF07E754BFD721D5A173DF7FA --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4132

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
f6e5e3d6005e2fb62655e8bbbb64c5a1

SHA1
62a604ccd53ad16798b9b6a0949dda54e52e84ee

SHA256
08e2817d045911b2af3eed271cb2c01fd69aa127752645fd71cce269bc9cc901

SHA512
6bf1401f13eb2e2b6c87bb925c3949cf6549dc62ea1909202d52f970b56c66638f779bcab3c2cbd2bee84257ef9d935c76cb90451dae8975435d87b764eaf213

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