8b649e9dfde43e5b39666c9b196abb82e67c80937f67bfc1f5232c6699f4b483

Analysis

max time kernel
195s
max time network
214s
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 02:51

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General

Target

56512e3a40d40d35ff3b89252e73c126.pdf
Size

35KB
MD5

56512e3a40d40d35ff3b89252e73c126
SHA1

99550199bea7d431183387f7b6750939a93e09f4
SHA256

8b649e9dfde43e5b39666c9b196abb82e67c80937f67bfc1f5232c6699f4b483
SHA512

94aa67d16083d4634ca5cab92d413794f40e7ed49c68edf8441ddc5e514f0603cd62b0ec43c52d0b2f007a49835975c1cdd30bf587bcb0f4b58dacc77c27c606
SSDEEP

768:2SdFCCk8NxNsQtW+0BjsptY26vLZi0T+m6XZ4WhBl:rsixrdoU6Fi0TaSWhBl

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe
936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 936 wrote to memory of 1052	936	AcroRd32.exe	93
PID 936 wrote to memory of 1052	936	AcroRd32.exe	93
PID 936 wrote to memory of 1052	936	AcroRd32.exe	93
PID 936 wrote to memory of 2204	936	AcroRd32.exe	96
PID 936 wrote to memory of 2204	936	AcroRd32.exe	96
PID 936 wrote to memory of 2204	936	AcroRd32.exe	96
PID 936 wrote to memory of 3296	936	AcroRd32.exe	97
PID 936 wrote to memory of 3296	936	AcroRd32.exe	97
PID 936 wrote to memory of 3296	936	AcroRd32.exe	97
PID 936 wrote to memory of 4796	936	AcroRd32.exe	98
PID 936 wrote to memory of 4796	936	AcroRd32.exe	98
PID 936 wrote to memory of 4796	936	AcroRd32.exe	98
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 2908	4796	RdrCEF.exe	99
PID 4796 wrote to memory of 4084	4796	RdrCEF.exe	100
PID 4796 wrote to memory of 4084	4796	RdrCEF.exe	100
PID 4796 wrote to memory of 4084	4796	RdrCEF.exe	100
PID 4796 wrote to memory of 4084	4796	RdrCEF.exe	100
PID 4796 wrote to memory of 4084	4796	RdrCEF.exe	100
PID 4796 wrote to memory of 4084	4796	RdrCEF.exe	100
PID 4796 wrote to memory of 4084	4796	RdrCEF.exe	100
PID 4796 wrote to memory of 4084	4796	RdrCEF.exe	100
PID 4796 wrote to memory of 4084	4796	RdrCEF.exe	100
PID 4796 wrote to memory of 4084	4796	RdrCEF.exe	100
PID 4796 wrote to memory of 4084	4796	RdrCEF.exe	100

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\56512e3a40d40d35ff3b89252e73c126.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:936
- 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:1052
- 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: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" --backgroundcolor=16514043
  2⤵
  PID:3296
- 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:4796
- - 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=3686D32DD9E3FAB6F61E79F91CEBE3BE --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2908
- - 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=545F404614F67DD81F801EFC7A5461C0 --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=545F404614F67DD81F801EFC7A5461C0 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4084
- - 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=A9F22C80784C5902BE71474D2E0FBD66 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4956
- - 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=F9E933CA44DCC7CC30DCE61E2A91299B --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4812
- - 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=B59FC27A24F828E9EBC13D801F7E131A --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1456
- - 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=FC28712CDBE15801691B594E8C8B8526 --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=FC28712CDBE15801691B594E8C8B8526 --renderer-client-id=8 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3248

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
e0f70866084ea46202f21c60e88a40b2

SHA1
004098166058b968079e6fa7324412a38e33effb

SHA256
d2a4f82ae9126e8c1878007e5ab415a78b5575f5be40878913df3a66c0ac2fcb

SHA512
577e7bb4399207f5c6ec7848d57e73d0f41b68dabe5c775a94cadbc55fb9372e41bb1d6bfb5545b0e33ac8fbb5f9cdf9247f83837e68d3e59dfad00d6c14e869

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