caac84b9d7165c3cea91233e4ff03b29926529f9e61c1b4cf8b23fe5e214ef0e

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 05:07

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General

Target

0f9297a41fc020b465642fc75f222468.pdf
Size

83KB
MD5

0f9297a41fc020b465642fc75f222468
SHA1

4df814a9abf5267e05747d40e3b2aab299f84fe3
SHA256

caac84b9d7165c3cea91233e4ff03b29926529f9e61c1b4cf8b23fe5e214ef0e
SHA512

f91f52a57c5a4d0a609fd726d66de14fc6d8316ce295f57b97b1ac3baf57f70d5b453dac87409eb038a2c848d417ba3771e28ca5db4450218ab060a1c52eafda
SSDEEP

1536:2xZ51LGsD44jN5tNX3yCIaXa/Na9bs9Et4lKfRrAbpWepOWjWpcDRk2tjV:YBjDXh3cma/Na9klLbuWr+2n

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
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe
4584	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4584 wrote to memory of 4764	4584	AcroRd32.exe	91
PID 4584 wrote to memory of 4764	4584	AcroRd32.exe	91
PID 4584 wrote to memory of 4764	4584	AcroRd32.exe	91
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4764 wrote to memory of 2380	4764	RdrCEF.exe	96
PID 4584 wrote to memory of 4384	4584	AcroRd32.exe	97
PID 4584 wrote to memory of 4384	4584	AcroRd32.exe	97
PID 4584 wrote to memory of 4384	4584	AcroRd32.exe	97
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98
PID 4764 wrote to memory of 1068	4764	RdrCEF.exe	98

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\0f9297a41fc020b465642fc75f222468.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:4584
- 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:4764
- - 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=8BE96EF3CC227044644C42AD1ADCC080 --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=8BE96EF3CC227044644C42AD1ADCC080 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2380
- - 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=DB5E225A16302846AFC67B2114163158 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1068
- - 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=B39E9228C676E94A0D04A4B5DD1BFAC7 --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=B39E9228C676E94A0D04A4B5DD1BFAC7 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5112
- - 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=A82FC978C93B9CA5F5CAD5FD8E143314 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1624
- - 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=A9C73BFBBCC891753A4983F81E0BDC2D --mojo-platform-channel-handle=2100 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1008
- - 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=5D5B3FE52FBC51BE43545397FCF3D458 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2524
- 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⤵
  PID:4384

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2460

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
d4bf8abd119297b41e969245b8897a5a

SHA1
47593ae83a6571318c9ba6baa19655a13281ea39

SHA256
c5df98402387ed791c6e90e716623f5aba847d3e4b5c644198efe6633d9231a3

SHA512
f8261fc63427f9378a3c672ea628e3e42d516c3458d05019ffe0fc0a945205c8b644cf3d106f579f38f2f4472ee361c8e8a89dfde52b91ef09fdd601db45b9f1

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