607a3f7483770f0c9d9308622aa63b85c001da2fc35a3e67f1852a08af8e8fb1

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 07:43

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General

Target

1272dfbefc2480af9e4abd5226cdf6ae.pdf
Size

92KB
MD5

1272dfbefc2480af9e4abd5226cdf6ae
SHA1

b0768d5f5a2fafbef24296fc5e643b5b185a4960
SHA256

607a3f7483770f0c9d9308622aa63b85c001da2fc35a3e67f1852a08af8e8fb1
SHA512

389ce87f098e51d58f153744ce9d637a0e373459cd2e5a8c70fd0b96e83d65e09aab984da75adee87bf505a35ada1643275b6a15d84509bb642c271b3262a9f4
SSDEEP

1536:BHKhDL1gHzjGVJCkACHCvrJs6Np8bu2PsmAla9G8ClHM9TitWmIqOnGNM27DPB6X:FKjQzaqJrJs6NpP2PsmAyO2qTNM2HPBM

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2452	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe
2452	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 4496	2452	AcroRd32.exe	91
PID 2452 wrote to memory of 4496	2452	AcroRd32.exe	91
PID 2452 wrote to memory of 4496	2452	AcroRd32.exe	91
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 640	4496	RdrCEF.exe	92
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	RdrCEF.exe	93
PID 4496 wrote to memory of 3536	4496	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\1272dfbefc2480af9e4abd5226cdf6ae.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:2452
- 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:4496
- - 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=FFADA11970C141DB1F8D55CC9412CC40 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:640
- - 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=5AB660D87AD2EA2B332A8A29125E454E --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=5AB660D87AD2EA2B332A8A29125E454E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3536
- - 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=50B1D1E8D139DF1C81F01D24D9D4CCF7 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3840
- - 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=EBAE48E4A0CE36A063A1CE6752A9BBCE --mojo-platform-channel-handle=1852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=186127A329EDC1EA815B2D9A99A43C6A --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=AE14FF29D4B0D03DDBCC7790B110360D --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=AE14FF29D4B0D03DDBCC7790B110360D --renderer-client-id=7 --mojo-platform-channel-handle=2144 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1496

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
36be067af6e9b9e568c7d6a11b628b2d

SHA1
657a7b00c0a6c496ce573158fbdd527330bb7c8b

SHA256
e368b721af2ad99ee8c64c020861e76dd5e7442a285bcc0c4807479cc5d75932

SHA512
6bde7c510d0556a8998d4e988c85b74d586ca61f9f01b39bfd7261e5c15061de5699c929ea91ff1c447700078935290564f22e05c258472ba30c3ed7e3130c82

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