73e9af745e4ae00ea0f47c0a4b97b430cd2fb960623fbc58603c8c477af59ff0

Analysis

max time kernel
155s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
28/12/2023, 20:54

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General

Target

f7840fd1433865409209354b0b8b2c12.pdf
Size

48KB
MD5

f7840fd1433865409209354b0b8b2c12
SHA1

51ac1cbe5f5a6f5525ed87e8eb6f9f606ca610a7
SHA256

73e9af745e4ae00ea0f47c0a4b97b430cd2fb960623fbc58603c8c477af59ff0
SHA512

0ca807fc2593d93a24c6b3a1986ae3fd60ce9a3f630ea779b9542a287965abdd838fb96adf1332ea7aa6f456f73e3262a369174aefbb08a9cbb12a623d8f00fb
SSDEEP

768:TJM7aquaQrANNY0DvqSvWhwQWjgllm0e+stxDZ/1Z5Y1s7eUQfIrCVGQs9bdPRRG:TS7aquaYmVFWLDetxDXnYmiUhrCVGjlg

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe
2116	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 4108	2116	AcroRd32.exe	92
PID 2116 wrote to memory of 4108	2116	AcroRd32.exe	92
PID 2116 wrote to memory of 4108	2116	AcroRd32.exe	92
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 2796	4108	RdrCEF.exe	94
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	RdrCEF.exe	93
PID 4108 wrote to memory of 924	4108	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\f7840fd1433865409209354b0b8b2c12.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2116
- 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:4108
- - 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=229FD8B2D26772D0AAF9F7D465520071 --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=229FD8B2D26772D0AAF9F7D465520071 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:924
- - 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=941F813EDE424F622392B250BB2C0412 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2796
- - 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=BC16975FEC6B54E146C141475F52FB2C --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444
- - 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=8FE4278B58C2D3A1314FCDA72D212B29 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1736
- - 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=46D3DCE80966A8342A435B44709F1C25 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2372

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
abc7897cb73009d2fe217cba3efaae23

SHA1
d124766cc6a7d85b4d85c6eae8c0a10532084311

SHA256
858a1cdbf557fbfc01600f0ec541ecd3628ce696ea0164672c146cbe51c40c4d

SHA512
bde1552cdb425169aa330d590e03b15aa923288e6c1aa500d5ab465295ae1ee6ec22d47cf1d9da073c36b134a0585001524067906b0dadddd253a572731fd097

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