98d65e677b8683575a8a07ea003c8b293987a0d9db5e58d6fa59545a7c319c69

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 11:53

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General

Target

be8b0c7ca7e73dbd8c465ddd8e3d91cd.pdf
Size

84KB
MD5

be8b0c7ca7e73dbd8c465ddd8e3d91cd
SHA1

c844a7050231d8c56d0be107d1486d021bbffe9b
SHA256

98d65e677b8683575a8a07ea003c8b293987a0d9db5e58d6fa59545a7c319c69
SHA512

c23dd54104fb53fbe27ca96b511fb8b0988312ec803274eddf923013cc961efbee2b85ea2e76bc99cbbe5b8fb8ecf474fb7c6e2243567cf9789cd2536bc6c4de
SSDEEP

1536:8Ug+OKGUrddaBjTODEdUz25g2FTNjl0c4Wf3waWaihG8GF889Yy7WUpO79tdXvbl:e+OKGURdaBjTODEdgkfdNjl0LWI3jN8w

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4192	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe
4192	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4192 wrote to memory of 1472	4192	AcroRd32.exe	84
PID 4192 wrote to memory of 1472	4192	AcroRd32.exe	84
PID 4192 wrote to memory of 1472	4192	AcroRd32.exe	84
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4284	1472	RdrCEF.exe	85
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86
PID 1472 wrote to memory of 4948	1472	RdrCEF.exe	86

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\be8b0c7ca7e73dbd8c465ddd8e3d91cd.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:4192
- 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:1472
- - 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=5063F8D668AC0CC1A94A67D6222B2CD9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4284
- - 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=F1C47B5A9AF99FAA498DB900619A32FD --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=F1C47B5A9AF99FAA498DB900619A32FD --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4948
- - 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=8F865EB4342DCAF53F3AA1C2C791304F --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1948
- - 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=7F1CF6C0261BBE4EB376A5D199C2293B --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=7F1CF6C0261BBE4EB376A5D199C2293B --renderer-client-id=5 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2972
- - 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=5251F03504A7ECC2A9BEBB461605B170 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2296
- - 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=2D6F23C66276B14BBB2B690DDA24B2C0 --mojo-platform-channel-handle=2804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5084

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4832

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
353542f85e3f2ee88afbc73cd24eb89b

SHA1
e3ef71937eeea1b52f40ded3214809cc4bcb1112

SHA256
a804a75bdeb8fdbdeb70e27fb0ff9b51460d6df7652e23c1c9e72d7998946f04

SHA512
91abbc5f70c3ac00bec414f00682bf9e2f2ece142b73cffe17eb8889adb1d61268486a4ccaef9f13a86cdcae1c4f18b03ad4a66d21e273bf3d2c7240c98ca6e1

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