fc64178bc3e78083d0375d36d87b433945cf8c2ac4b5996c80cfede928aefdd6

Analysis

max time kernel
157s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 20:36

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General

Target

3baf0aab1bd3696488d46002a9922bda.pdf
Size

73KB
MD5

3baf0aab1bd3696488d46002a9922bda
SHA1

f17dd358e437e6b6dbf8d35e73b6a2112c117aa5
SHA256

fc64178bc3e78083d0375d36d87b433945cf8c2ac4b5996c80cfede928aefdd6
SHA512

e8a171a00b7f0f46ee2ea37421f9073e3f428daea81af30c9f0553b1802960a1d68494e30fda35914cdd3c21cf9ef4955434878a7910632c68df79e390bae667
SSDEEP

1536:A0Rqo5KQ/nuixsYoT0Z46mjlKmjIylwPC3l1wEDDNXWKS:6o5KQ/uJYo16mpKIwPC3l1rXFWKS

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe
4004	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4004 wrote to memory of 3020	4004	AcroRd32.exe	91
PID 4004 wrote to memory of 3020	4004	AcroRd32.exe	91
PID 4004 wrote to memory of 3020	4004	AcroRd32.exe	91
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2388	3020	RdrCEF.exe	92
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	RdrCEF.exe	93
PID 3020 wrote to memory of 2536	3020	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\3baf0aab1bd3696488d46002a9922bda.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4004
- 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:3020
- - 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=E30A9D8D45C027FF8507E45E21C686C9 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2388
- - 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=D45C6FC906CCDCA5A6DABB6B0968A3C2 --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=D45C6FC906CCDCA5A6DABB6B0968A3C2 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=46F45D894325D6F1DE990D5BE88863A4 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3204
- - 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=6460BBD07774F9D36EE9B275D4405E2A --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2084
- - 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=8ABD797C47163739E2067B6D6D2571B1 --mojo-platform-channel-handle=2400 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4812

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4204

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
6516615e09a948e2d48e7f1db2d6ed1d

SHA1
4aa5aae8cd953b17811168539ea331842c983980

SHA256
f5a8600b4f978e76077454f643f857b506eab5ea3b8f364822fd257e27f4858d

SHA512
d960ee4c65ca39427f17d1c9ae5ecaef057c08d715a2f62c1e74e3957abd3d078038714c971f83bf0b867fdc6ccadeb0afaeda8dfd59b769d695553840ae7a2b

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/4004-41-0x00000000081E0000-0x0000000008201000-memory.dmp

Filesize
132KB

Download