abd81855904982181c245a7ceda1b56e9bbf80fac302d3505388c04db40f4a42

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2024 20:43

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General

Target

41de49dad48f31908048d5f9a0cb326c.pdf
Size

128KB
MD5

41de49dad48f31908048d5f9a0cb326c
SHA1

aff96402cbfbdaee75300e4de522dbeca832f0fd
SHA256

abd81855904982181c245a7ceda1b56e9bbf80fac302d3505388c04db40f4a42
SHA512

9725235cb8a88fa1041adae5dfccf55b022a9aa754daf5b6ba04ae25efe97ade379e179386b76dd1dcc6b0919ec7830b430de76e1474548a79f455366c0d9cd4
SSDEEP

3072:NVTam4C87xV2rxciXjo02Oq4BZACf7kHb2vWlrlSN1i:NVTamIkriiX002B4zAw7W6WUE

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
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2312	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe
2312	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2312 wrote to memory of 1868	2312	AcroRd32.exe	91
PID 2312 wrote to memory of 1868	2312	AcroRd32.exe	91
PID 2312 wrote to memory of 1868	2312	AcroRd32.exe	91
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 3136	1868	RdrCEF.exe	92
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93
PID 1868 wrote to memory of 4360	1868	RdrCEF.exe	93

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\41de49dad48f31908048d5f9a0cb326c.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:2312
- 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:1868
- - 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=630A271C176AFAAF961AD007A9E9D6CD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3136
- - 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=70EA7D7F5BB79764B99CEA794B915EBE --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=70EA7D7F5BB79764B99CEA794B915EBE --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4360
- - 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=C526813B7A3DF9D49BAF1DB94D13CD84 --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=C526813B7A3DF9D49BAF1DB94D13CD84 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2764
- - 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=B7950121F7E6905F2FA40817871A7C1C --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992
- - 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=29BD9EA48F2CC6A96D6E75DBA28257E2 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2596
- - 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=32BAA8679FFFD24192ED714CCF63F06B --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4696

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2916

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

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Downloads

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

Filesize
64KB

MD5
7785eda72cc93b711706505a81f6c4be

SHA1
7c4a953f8388b7e2c686e67e284a4d393a0e7005

SHA256
f78a8b92c79f61412a18c5648e2a10c3eb3e51f22057ca32e63375e3ec55b369

SHA512
7d5427828d116a531df39957e46045f0df59a4d373477dfa8ac85c9ebe280c0165165415927af30391501b2785ab0d00df5129ad5c353dad76ecbf160c0a50a8

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