41c5aca1b28c23165d382e0e9e1c1f19e7ac73ea31d8dc4267e8da962195bee4

Analysis

max time kernel
157s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 14:16

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General

Target

397ab843313f2ae08c73e865c85c9c53.pdf
Size

46KB
MD5

397ab843313f2ae08c73e865c85c9c53
SHA1

d29e1643a9ff2f5e7bd9d86dd0902bd77ff97034
SHA256

41c5aca1b28c23165d382e0e9e1c1f19e7ac73ea31d8dc4267e8da962195bee4
SHA512

f250926bea7b8a1d89e326fa99bffc51f853ab4863315dcfaf42a01157f837d22950d0c2b413fdc3db96a1d83b9af1c57fc1136163723c1898ad49774ac4950a
SSDEEP

768:uWh1aws7v2uQraBD2tnV+2j8dS5d0Rvx8IoaEJe3xHt6PpxOTvu2aj53FTwk:uW3aws7v2nuBD2FAE5dWxbjEJoVtWxiK

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
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3336	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe
3336	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3336 wrote to memory of 4592	3336	AcroRd32.exe	92
PID 3336 wrote to memory of 4592	3336	AcroRd32.exe	92
PID 3336 wrote to memory of 4592	3336	AcroRd32.exe	92
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 4328	4592	RdrCEF.exe	93
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	RdrCEF.exe	94
PID 4592 wrote to memory of 2204	4592	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\397ab843313f2ae08c73e865c85c9c53.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:3336
- 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:4592
- - 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=ABD78251146D632D6338AAC6726C2FC7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4328
- - 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=5ECD37544E957C3CD545AA1083592604 --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=5ECD37544E957C3CD545AA1083592604 --renderer-client-id=2 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2204
- - 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=9A6543F5E907DC819D99CE177037D96F --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=9A6543F5E907DC819D99CE177037D96F --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4012
- - 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=C4716882AD421308E7DF902461BF9B5C --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1448
- - 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=E189F99FEBE89C279F501EC4FDB087EA --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3792
- - 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=E1FC1684894BE51CB9AEBFC9CD109C1E --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3784

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
14ff64f746901b4fe127a3be3c4ea59c

SHA1
b41b784045d3eb0646a852068f98d9e684a65559

SHA256
ce8b25cc3c25c579bd1afcca044a6ab1dca432e942dd99e2e0aab296d0ad14cd

SHA512
94bedf47a92ab919c2650b655ffce2dbef5248ab605a41a37adcc9c73c78a660c13b0503d07e68ec0927c00ab7ab7c17a4d462b004f023c8cf37a428ceb9ea1e

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