72474f93c66252e2f0ae33e539a77513495681541d768e450ea23fb8d160fae4

Analysis

max time kernel
151s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2023, 14:14

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General

Target

Bv9ARM.pdf
Size

797KB
MD5

1f7a9c9d7ae78df98c3be1ef5ba76730
SHA1

4348d77d9794fd1be41dd2888f02740058cc615f
SHA256

9e3b8cff18f726fa1d3154e94b2f81c91cc5c1b4e79f7afa17094acade3480a4
SHA512

781e2c0c91a66af4fc92319b50e68749736f1ac9a222a9063664123eeb18b153ee62d6b7357297c5b3e6a80626f00edd2ccaeb6244255d56c8a6b415e7aa5461
SSDEEP

12288:L5MAjs5hjdhy9ssXeFEGcvvSdM1CnvcSqNM9KXM/7CyAurevXM4H:LuAjWFy9UmjSOgvcSJ9L7GPH

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-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe
3836	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3836 wrote to memory of 3172	3836	AcroRd32.exe	92
PID 3836 wrote to memory of 3172	3836	AcroRd32.exe	92
PID 3836 wrote to memory of 3172	3836	AcroRd32.exe	92
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 3924	3172	RdrCEF.exe	96
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	RdrCEF.exe	97
PID 3172 wrote to memory of 4912	3172	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\Bv9ARM.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:3836
- 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:3172
- - 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=D924EBEDD3496B4BABD58439C86BEC13 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3924
- - 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=0DF5F9B62328C3B9145C1381E2EBE986 --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=0DF5F9B62328C3B9145C1381E2EBE986 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4912
- - 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=169535F1BA30BEE96731C2A901622222 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2584
- - 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=CA42490F8B5725000735198A09E2C992 --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=CA42490F8B5725000735198A09E2C992 --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4588
- - 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=1F9DAF4FC42CA03CEC59C60E093B8D37 --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:752
- - 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=14587695A2EB7B58C62E56CDE73197C6 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4952

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4636

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
5827832f5dfb6345bff475a4f97bec3b

SHA1
0b865799f65c29ac5eba2856bd2983680a7f596f

SHA256
2dd86a983340d8ae0bfcc06ba09380622942ba23a4598e0cb34cae020b6663c5

SHA512
664a98d32b6c577813eecb866566c749c271a11416aa2eb45001c835fc9b9006028e265df4abd2dfc94926b87c6abab215d26dc5066c50ea94fb6afeb1a6a8fa

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/3836-136-0x000000000ABD0000-0x000000000AE7B000-memory.dmp

Filesize
2.7MB

Download