9f2486d574568fd9f6cf2e595e319892ed10ee7a3ec4eca11f4b46d0cdb1b349

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 10:31

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General

Target

073b7d1b43aa6ab27ec437be8c973cda.pdf
Size

111KB
MD5

073b7d1b43aa6ab27ec437be8c973cda
SHA1

f369f805421727b5ca0190c7424ec8df48bbe03b
SHA256

9f2486d574568fd9f6cf2e595e319892ed10ee7a3ec4eca11f4b46d0cdb1b349
SHA512

9b64d3efd1c07e1e1ed666af8105480be00f9e4a0812dfc42656925744af820251da5cc15797cfbed0889a04e2ffb5097624a4fae2e3e1e13b5fa1ab0964f820
SSDEEP

3072:P+UGTwNy9A3YIfh2Xc2X1dGNUg0VRCFaZV16YWax89l:P+UGT9y3YKJ2XhB1sb

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe
1420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 1772	1420	AcroRd32.exe	94
PID 1420 wrote to memory of 1772	1420	AcroRd32.exe	94
PID 1420 wrote to memory of 1772	1420	AcroRd32.exe	94
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 416	1772	RdrCEF.exe	95
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96
PID 1772 wrote to memory of 4980	1772	RdrCEF.exe	96

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\073b7d1b43aa6ab27ec437be8c973cda.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:1420
- 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:1772
- - 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=03B4B96C5071409B46F4327528F8588B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:416
- - 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=607B2451DBD4BC06ADC16A32F8873AF4 --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=607B2451DBD4BC06ADC16A32F8873AF4 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4980
- - 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=4C25D8D22D3F02F1973EEA7F2BF0CD79 --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=4C25D8D22D3F02F1973EEA7F2BF0CD79 --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4524
- - 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=B90942BB96676B6656701ADD88BBE2D0 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4728
- - 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=A9002D916F9628BBB5DA8E5BCB063357 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1256
- - 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=DDE8C96138F113F3720CB5C01FED4313 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1412

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2128

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
d1c32c17d9ac12213b3d60957d12c034

SHA1
623bd90be760dec28616bd61dc8000e88b13ae70

SHA256
65bbd8dc8f165df2c961cf1bda364b1987659def83f836a907c3e203a1994268

SHA512
ca704800987a8b06e4bf1d17f552f201394caf2df1658d27ab34b947a672ffb1489008b0b84545dbc4894d17ba3e401a262483d424568f87adec33f56be7ff23

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