691eecf60e7e1642b6e3b427ef3b1c44b52008fb515095553617242c685c39c9

Analysis

max time kernel
164s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 18:36

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General

Target

0c5c943f84db4ff548795af839bbf56c.pdf
Size

24KB
MD5

0c5c943f84db4ff548795af839bbf56c
SHA1

05a80451dfd34a9e2fd9fed9eb516a7bbb12fed1
SHA256

691eecf60e7e1642b6e3b427ef3b1c44b52008fb515095553617242c685c39c9
SHA512

9427db0cb4a6797f0fbc78fa4674d697357dc58f0f64bfcec9986e7a495d77961f5020ec73e3afeaf06f8e248628b6e86cd1bc5ae7ba96ac457f61d405efc8bd
SSDEEP

192:WysNjDtpIC5cW6VOpXu6ieQluIYs0/LkQzy9uIYs0/LkQZk4byCB+4yr5uADPf74:WysNkwv6kv8RKbZW5bwBGUO4Mz4E+

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe
2636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 2320	2636	AcroRd32.exe	93
PID 2636 wrote to memory of 2320	2636	AcroRd32.exe	93
PID 2636 wrote to memory of 2320	2636	AcroRd32.exe	93
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 4452	2320	RdrCEF.exe	96
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97
PID 2320 wrote to memory of 1032	2320	RdrCEF.exe	97

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\0c5c943f84db4ff548795af839bbf56c.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:2636
- 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:2320
- - 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=807CBDE4AB523B65813B7834BF0A6CE7 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4452
- - 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=B8B613862C1A83A02978BAEF01606068 --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=B8B613862C1A83A02978BAEF01606068 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1032
- - 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=7349B812C3B7D89A8E0177357FB799F0 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3844
- - 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=79992602C1A4818291E6DB3067C22F58 --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=79992602C1A4818291E6DB3067C22F58 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3340
- - 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=395F5B527E21BBCBC557B9B68D08E718 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3068
- - 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=A5D66A5947D268BE84E0539A4689AD88 --mojo-platform-channel-handle=2368 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3788

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
38d3e6dd1118c084d2404669b66b09ba

SHA1
1c2127ff922d55aef7cd0a71b95ad8bf61228a7c

SHA256
007a21fe7269a206b2e7a0984c0d66d5a680f8c448dc4fd49e07793e8fe7a5cb

SHA512
7cd76c6941dfaea0b73aab7a103351311777560f983b07f62d0ba5c637692a32e3001a5be8122b88748587745f6c431a22bfafebb9921e4fcfa55155d646a690

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