970e7c60045ec4b00ef1a33b987b161356513c84f314195a879ed191a681e6d8

Analysis

max time kernel
160s
max time network
177s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2023 11:40

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General

Target

6b82f1794dc7f17e7080d70481497125.pdf
Size

94KB
MD5

6b82f1794dc7f17e7080d70481497125
SHA1

6886ed4e118db4ae2257431b372f782a1f9f1856
SHA256

970e7c60045ec4b00ef1a33b987b161356513c84f314195a879ed191a681e6d8
SHA512

0a6bf3bdd96a0e397882491c26349867edff78735577a01121124c370f54ebab3d094de16d5ebf8ea868e3cd14e59542fc88cb12bcd146b2058406175e566571
SSDEEP

1536:mRaY99WjufgEFTQDboTvVgRw2KR82yvHo9L7c4nLqETsWUcoeYL5KVNGmeWOpOwx:Ca1ju2gNywBe2Ko9L1bFoeKpmzwrF

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe
4804	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 3144	4804	AcroRd32.exe	90
PID 4804 wrote to memory of 3144	4804	AcroRd32.exe	90
PID 4804 wrote to memory of 3144	4804	AcroRd32.exe	90
PID 4804 wrote to memory of 2864	4804	AcroRd32.exe	92
PID 4804 wrote to memory of 2864	4804	AcroRd32.exe	92
PID 4804 wrote to memory of 2864	4804	AcroRd32.exe	92
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4524	3144	RdrCEF.exe	93
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94
PID 3144 wrote to memory of 4240	3144	RdrCEF.exe	94

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\6b82f1794dc7f17e7080d70481497125.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:4804
- 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:3144
- - 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=D4C08ABCD003FBB13252CAE1F100EACD --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4524
- - 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=5BE71D3AEB89B0DEE8BFBF2B85FC4EEB --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=5BE71D3AEB89B0DEE8BFBF2B85FC4EEB --renderer-client-id=2 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4240
- - 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=C1E21ACDAE5DCD3B5D478D856960847F --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3960
- - 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=4B9FB25E02B51BEA849FD273A2F04727 --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=4B9FB25E02B51BEA849FD273A2F04727 --renderer-client-id=5 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2280
- - 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=C4AE79E72F7F9C16EF48B817E3C1DAFA --mojo-platform-channel-handle=1792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3744
- - 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=BF87451A5BC2ACDE3E0630F86D6985A8 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1368
- 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⤵
  PID:2864

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
1372c46274f78bd86e5437b7f121d867

SHA1
836a1ef95c81f9cf0ad9b107f784b5804af17b76

SHA256
8615e10aa4a10127513591ad1a52bcaa7f3eb257405961dc77c339b4f85b96ea

SHA512
d2d2eba006f84f516e148daf54e729e5e451696bf1f4090acf9d446f94473dc7e6dfd7b0834e1ede0f8d68651002e88b3b39a96d33dc4685c8cc3534a7758008

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/4804-146-0x000000000C350000-0x000000000C37A000-memory.dmp

Filesize
168KB

Download