c18b6536fd742a2b2be190b7838a943cf12ed78d39e7c023c036a2095f52fea4

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:10

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General

Target

9a6d4bed933a59acfcbb3ae8b07e4ec8.pdf
Size

44KB
MD5

9a6d4bed933a59acfcbb3ae8b07e4ec8
SHA1

581d2bc6d5a4743d61551e4cd8d4b2985bc367d9
SHA256

c18b6536fd742a2b2be190b7838a943cf12ed78d39e7c023c036a2095f52fea4
SHA512

03b67d214903a6459fb0a5bebba85d07efbbcaccaa24bbfd859d908fd3a7e7a2e651db54abee27cd2615ca0d3e3b8afe8e6eb28cca5fb57301a4a53aa61739df
SSDEEP

768:x1yl3P9kaxTRqsn6DpFQPoww0aK0eGBf/xAOc8Yzg8sp5hos5I:7W3P9keTM7pFVK0eu/xA38H8sp5hos5I

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
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 4896	1572	AcroRd32.exe	91
PID 1572 wrote to memory of 4896	1572	AcroRd32.exe	91
PID 1572 wrote to memory of 4896	1572	AcroRd32.exe	91
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 3800	4896	RdrCEF.exe	92
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	RdrCEF.exe	93
PID 4896 wrote to memory of 680	4896	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\9a6d4bed933a59acfcbb3ae8b07e4ec8.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:1572
- 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:4896
- - 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=01AB6E775DBBC9284A6218A301CEF2B4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3800
- - 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=25AF86E1C2E0C4436B430E616C3845EF --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=25AF86E1C2E0C4436B430E616C3845EF --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:680
- - 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=CE32273F1760FF1AE2ED7C3E6EA9840F --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=CE32273F1760FF1AE2ED7C3E6EA9840F --renderer-client-id=4 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3284
- - 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=95F235043B272E3D32D8D97C82F22F66 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2236
- - 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=43A947CF1575FF8D0F798E809214C4DC --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2960
- - 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=1BE0B9B5BEA14CCBA907270CD5D2FDD6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1292

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3172

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
d771ac64cc2eb8aff576d9e5a8df548e

SHA1
bf436eeb9e597a4c72a5dfd8c8afb6e02e718de1

SHA256
f3922a1bd0b2d9c3e579e0e762a18698a06cc1d5ee13d6dd3c4669138d8023b7

SHA512
7cbb843dd10f9de40d4a53501f33174cf530b384aa3b8e3292d974cc5dc086ab5ce1270ae262e78369cc6eccacf5a17bda5b86cec081b36fa12654e57401c8df

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/1572-28-0x000000000A240000-0x000000000A261000-memory.dmp

Filesize
132KB

Download