5a61097477b5d8222c653b240a45967915d0f12cfbcc5791c3ddb2981465af2c

Analysis

max time kernel
143s
max time network
150s
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 12:45

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General

Target

8cb4202e2652c70caf7350ce8ddc4660.pdf
Size

35KB
MD5

8cb4202e2652c70caf7350ce8ddc4660
SHA1

b9db60b5c4cd50c3e43dfcaa1b2f42ed8b28c633
SHA256

5a61097477b5d8222c653b240a45967915d0f12cfbcc5791c3ddb2981465af2c
SHA512

d2b56c844e874c53b89f6810a50bf8f0b0bbc95b9f6e849ac9a926b552ed214f55ca57b0d11dd7afa5f8f8144562118ef061b60b7a291b0f483d20e0a8bbb004
SSDEEP

768:oBJT3UQNXPwsfpFQU7MvNLqZEf0dHmy9j:oDhHFQ4MvNmSQGyF

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
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe
4704	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4704 wrote to memory of 4584	4704	AcroRd32.exe	91
PID 4704 wrote to memory of 4584	4704	AcroRd32.exe	91
PID 4704 wrote to memory of 4584	4704	AcroRd32.exe	91
PID 4704 wrote to memory of 4928	4704	AcroRd32.exe	92
PID 4704 wrote to memory of 4928	4704	AcroRd32.exe	92
PID 4704 wrote to memory of 4928	4704	AcroRd32.exe	92
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 1180	4584	RdrCEF.exe	93
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	RdrCEF.exe	94
PID 4584 wrote to memory of 2856	4584	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\8cb4202e2652c70caf7350ce8ddc4660.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:4704
- 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:4584
- - 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=B038AF47AA6E758B9F75F35BFFD22CDD --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=B038AF47AA6E758B9F75F35BFFD22CDD --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1180
- - 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=547AE72C52125FFA8D12EB07AEFB7C02 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2856
- - 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=F9F5F1E696E7B6A916FECE57387371E5 --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=F9F5F1E696E7B6A916FECE57387371E5 --renderer-client-id=4 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4508
- - 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=12E0D44EB40BC558DD1C59C5DFF206A4 --mojo-platform-channel-handle=2476 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3100
- - 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=6CC6F0450622C43CA50FC20832D144CE --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2500
- - 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=8AA464E1983F3F4DCEF2C17EB598254B --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2132
- 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:4928

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4256

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
af463c4b8a324f9261e9fb923cdb9838

SHA1
e8e4905b0f1f27a9d79b3445a1e6142124a96efb

SHA256
bac9e2a325440fc4871be0dd2b01dac8a6b9f1489ee2b19e19b083bf69f93731

SHA512
495d17220f6689fafb37083466b636f233b9cbfdee5e448d2f09bd352f9f7caeb9e62398e3b938150b469fc1307b92851c4b5a61d9947abe3cb91086037d5360

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit