f23ec3896240bee154433433632883ae540270382866c6e49957456444b342a2

Analysis

max time kernel
150s
max time network
155s
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, 06:48

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General

Target

76ab659f36198df459929b7eda60cdf9.pdf
Size

34KB
MD5

76ab659f36198df459929b7eda60cdf9
SHA1

e78d820959597a328e57fde5b2e6053ae0e9196d
SHA256

f23ec3896240bee154433433632883ae540270382866c6e49957456444b342a2
SHA512

2da8e9b1df915859f292a55360b7e8fce284e7a6f3d560ca4e8d2cdf5309d1944f3dc4dddd6db8b05dcdd55a7fa694b182aa88472dd5b6313a484bc398f1dd5b
SSDEEP

768:ZC4vZi/fuEYlobv2lv3FmluxukoZjf4HacHFuum8S20oUymg/:DBi/f8obv0OD4HLFupjXo1m0

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
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4328	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe
4328	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 2352	4328	AcroRd32.exe	91
PID 4328 wrote to memory of 2352	4328	AcroRd32.exe	91
PID 4328 wrote to memory of 2352	4328	AcroRd32.exe	91
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 3444	2352	RdrCEF.exe	94
PID 4328 wrote to memory of 3832	4328	AcroRd32.exe	95
PID 4328 wrote to memory of 3832	4328	AcroRd32.exe	95
PID 4328 wrote to memory of 3832	4328	AcroRd32.exe	95
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96
PID 2352 wrote to memory of 4980	2352	RdrCEF.exe	96

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\76ab659f36198df459929b7eda60cdf9.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2352
- - 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=98CDD7AF351DA31EF43F9C7F23C7116F --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3444
- - 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=41206EE770B4F345B2B5DBE9908D0F6A --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=41206EE770B4F345B2B5DBE9908D0F6A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    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=44D6793906A74BF2BA867B09E9A18CCD --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2240
- - 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=A78F24E86535102FFA7DD7AE20A9DE11 --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=A78F24E86535102FFA7DD7AE20A9DE11 --renderer-client-id=5 --mojo-platform-channel-handle=2280 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4808
- - 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=7A39365BD8F123F1BF92A9F63DAC543A --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:540
- - 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=376B7EC8B9522C1F5E6448BE06D52C93 --mojo-platform-channel-handle=2008 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2388
- 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:3832

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
53d340c8116bc7f1e6c35140064793a2

SHA1
d11c8df0cea43fad7a9bb91724c694495dcd9e57

SHA256
36a116a43120d76dd2a9c7f673a883712143a30ca563f1faaa2c7e60b21e419c

SHA512
ac007d7d66e9dbf2b4bef7381349b47834698e79a19d519bce4309488bf2e398768c835c1fce2c4c6c2dffad5537916c50ada73efd1eb631e7216e086b333365

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/4328-134-0x000000000B5F0000-0x000000000B73D000-memory.dmp

Filesize
1.3MB

Download