6a38f61a5879ffbdf648fd98aa051e0b6bd99ea306e8550df209a9fe7678c825

Analysis

max time kernel
142s
max time network
146s
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, 13:41

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General

Target

a9fee403105f97653984199dd6e6eb45.pdf
Size

73KB
MD5

a9fee403105f97653984199dd6e6eb45
SHA1

194bd5f40ad76e141e5091985d91b91d8675ee01
SHA256

6a38f61a5879ffbdf648fd98aa051e0b6bd99ea306e8550df209a9fe7678c825
SHA512

7a491815ef04663db7830b5e4ea66e3d0542ab6621e37b99cee6903508fd35bd1424da26d523a5edc439495aff64428cf661ac6d0578ce01b487acb1be1b7f09
SSDEEP

1536:vIf5wwHQPK/E07tvO73UScdpNUPnq01HizZfOGikqqaQkMhpVfJpz1VY+:25ZHQPK/z7ti3UfHNUPnA9OGikqbQkM7

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
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe
3468	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3468 wrote to memory of 772	3468	AcroRd32.exe	93
PID 3468 wrote to memory of 772	3468	AcroRd32.exe	93
PID 3468 wrote to memory of 772	3468	AcroRd32.exe	93
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 1468	772	RdrCEF.exe	94
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95
PID 772 wrote to memory of 4072	772	RdrCEF.exe	95

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\a9fee403105f97653984199dd6e6eb45.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:3468
- 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:772
- - 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=206B25455AF757F2B6115417D31C6EC6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1468
- - 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=DE1B19FAF835AF304D358BB476E24D8A --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=DE1B19FAF835AF304D358BB476E24D8A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4072
- - 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=207D93093E7370ACF9C9B627ED5A4C0A --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2400
- - 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=DED5167C5200E17D20E8FBA840E05771 --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=DED5167C5200E17D20E8FBA840E05771 --renderer-client-id=5 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4632
- - 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=8276885E6D3079A12271EDC7676BD1D7 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4732
- - 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=DF5C9AA1B338FC098E99D8EF2A5E9D79 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4132

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
37946233369422e26799df8ea213ed0c

SHA1
909f1b4c8532094dab5629a6d39fb0d780f030f6

SHA256
90e29fcdfb70f5a14375a16a0d92afd465eb1bac1fa095e38086edfc831fd578

SHA512
2edaf6ea06b647a33aee62c775484fd218f9360b5d904ccfa64b5909f9969414fc365c77b8a0fc4e5e1f3c74cc5efba45005ef04cc7fd6e3cc10c3aa823a4b93

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