f92b584d51d215d6beab064d282b1670850ee270429273d54f3c492befc7c89c

Analysis

max time kernel
140s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 18:45

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General

Target

d6d8e33a4d50497e3c9fec24759cb725.pdf
Size

99KB
MD5

d6d8e33a4d50497e3c9fec24759cb725
SHA1

06785571ce7bbae14b6a2ba9d5bae49cae3f29ec
SHA256

f92b584d51d215d6beab064d282b1670850ee270429273d54f3c492befc7c89c
SHA512

83c6fedb7003f649de6f9e4d404cd979910aed937fec45b49ad265c955474279d08a4cae2c7ee8668414366422e18b9da4c47fe5ceffc51a3debf369a7c81ccf
SSDEEP

3072:NfusLtJjBUqbZyJqV4fMijaptYvv2SHqUj:NfusLTVVQ4RU

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
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe
4892	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 3276	4892	AcroRd32.exe	93
PID 4892 wrote to memory of 3276	4892	AcroRd32.exe	93
PID 4892 wrote to memory of 3276	4892	AcroRd32.exe	93
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 1904	3276	RdrCEF.exe	94
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	RdrCEF.exe	95
PID 3276 wrote to memory of 4312	3276	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\d6d8e33a4d50497e3c9fec24759cb725.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:4892
- 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:3276
- - 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=F1896F56D6DCC74C205FA9B7BDFB9DB9 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1904
- - 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=4B31118085179E11F847B5699459709F --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=4B31118085179E11F847B5699459709F --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4312
- - 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=C02726335D2E29897AB6107714B02BE0 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944
- - 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=84CEC01226EC4E9EE6C6DC51A4309AAC --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2184
- - 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=63C82521E71BD69C659F2A7DB34030EE --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=63C82521E71BD69C659F2A7DB34030EE --renderer-client-id=6 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3520
- - 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=A8CD5C8F59ABF339C2D6E53F293A8BED --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4352

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
50a658d224c500c9ca822413092baebb

SHA1
b90e4d1991e814075d852c1cd34e5a8a8f3d30d7

SHA256
a03fb77259811d8c40fb26d54ba63132b9c50de899524635fc4fc4205fe5e993

SHA512
e4abf4b04aee561f51d751a8d0db096ec59f1d3b61ee68d086963ead4cbbc3dc4e51ecb42f2d73366047f330d1eea142c5bd625b9a2bf6f828d614f275e16e9f

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