73a7d65dfb3f366eb4daa47fb285e02f58edff62eb8aa8b75712b6f9ffc8185e

Analysis

max time kernel
146s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2024 11:23

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General

Target

438ee5025f576da3480e19453b0d28c3.pdf
Size

88KB
MD5

438ee5025f576da3480e19453b0d28c3
SHA1

ca37fc707fc0b91510b55ebe5a6617075c5aa447
SHA256

73a7d65dfb3f366eb4daa47fb285e02f58edff62eb8aa8b75712b6f9ffc8185e
SHA512

99fd62e8c48f703edcee32dc32ba44128b533c799bb43199f81e9441f86737ead3dca69ad338965575cb9a2d261e5724d2fa4c28a7933950ebdf6835c126cffc
SSDEEP

1536:xPWHM1tFhOeFg48vNRCE6r6XbKn5pwSdfCJ7NskRxnAWuPe1K32ZWbpONMxP:71tq48v/e6ropw4fCd+kb032bNS

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe
824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 824 wrote to memory of 3524	824	AcroRd32.exe	93
PID 824 wrote to memory of 3524	824	AcroRd32.exe	93
PID 824 wrote to memory of 3524	824	AcroRd32.exe	93
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 4840	3524	RdrCEF.exe	95
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94
PID 3524 wrote to memory of 2076	3524	RdrCEF.exe	94

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\438ee5025f576da3480e19453b0d28c3.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:824
- 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:3524
- - 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=1F6F17DBD900723360DB1D7752CC4C80 --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=1F6F17DBD900723360DB1D7752CC4C80 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2076
- - 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=D9C4AE5414D4988A190E9D98460FA015 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4840
- - 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=B03D5B36D056A148EAE3047B2FB1AC9E --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=B03D5B36D056A148EAE3047B2FB1AC9E --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4340
- - 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=96CBB32E4BE0A6842CDA310C83D6996E --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1196
- - 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=38BAC0D1443958A875E0A53BC6226C28 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:388
- - 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=BB8B5D146E95396363E0521AA23D56FF --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:808

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:540

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
46a2330f829ed8ef4960757db668a12b

SHA1
ffc2b265f9cc329cd7810baa5c1b24c4ed4dd10c

SHA256
9c4d7931a4277a32e2ccca5279bb6d72531cbf1b0b4fa40b0bd4326323afb960

SHA512
019734b56877f06632094e3115e1056ad216dad5efa79a0c7af641dd6594c0848d3c178b8e44f2df269956ec27edd2ccf3ad4fb17a4e1cbe89df40985e876f6b

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
memory/824-28-0x000000000A510000-0x000000000A531000-memory.dmp

Filesize
132KB

Download