8d69e25cb548aa2666bc96187d1386c1ff60b605b7b08da1c9adfdce3986f87f

Analysis

max time kernel
175s
max time network
189s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 18:51

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General

Target

00f2c82116dd9eb6ed0470045ca82495.pdf
Size

123KB
MD5

00f2c82116dd9eb6ed0470045ca82495
SHA1

a0e07c106e932eddd0e1c57c9cdcb184f5fd82df
SHA256

8d69e25cb548aa2666bc96187d1386c1ff60b605b7b08da1c9adfdce3986f87f
SHA512

cc262f506491d3223ceb785013516a6c77afd51c8f582f5d334f500f291a01a754e801f7eca6ca66274dbc7a03dc3dac76660c4d946b5f40804e3f2d64de6a4c
SSDEEP

3072:PwFlXbkuYzoUY1+dZAIxhL0759aOrwCzq0M3i7p:oF9guYzLZZuF9aPAx

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 2676	4744	AcroRd32.exe	93
PID 4744 wrote to memory of 2676	4744	AcroRd32.exe	93
PID 4744 wrote to memory of 2676	4744	AcroRd32.exe	93
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 2080	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	RdrCEF.exe	97
PID 2676 wrote to memory of 5084	2676	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\00f2c82116dd9eb6ed0470045ca82495.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:4744
- 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:2676
- - 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=945CC579FF0410E0A7C8389AF9D452CD --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2080
- - 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=1B68E274E87261CA5479DB5A682B162E --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=1B68E274E87261CA5479DB5A682B162E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5084
- - 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=B710807E2C8BD49835A7EF11D1BCDC23 --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=B710807E2C8BD49835A7EF11D1BCDC23 --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3140
- - 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=9F02853974C956BC27D6E0726F60BC15 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3184
- - 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=044F2F9AD715377B9E3E65027C96D613 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4980
- - 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=6E70A8832D55C4A0B6DBCD2713B5210B --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2728

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3588

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4800

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
e936f74a6f79445c1ddd2a526646cbc6

SHA1
6c3326fcb446a2b7edd52499163825f32c18bb6c

SHA256
8aab2a5e58294a5c03050c43217395f5613601f46ef2edacc9a3f2dacbf26770

SHA512
7d7c0e401fc798312c97e61933110892cbb32f49f0bfb72d5e7ae6f21ecf45d321ee343b1cdf6165fd90015ef8c9f9820df13f1e10dd36414a6f86020a1a6e28

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