f6be56c62303807d1a66e3336c847124a32ede1820dc852757487183d6dc1fb2

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18-03-2024 15:17

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General

Target

d3d5cc0f78a3342f14b74ffe98b7a4e1.pdf
Size

79KB
MD5

d3d5cc0f78a3342f14b74ffe98b7a4e1
SHA1

60470315c2162c3eb97671f994488f120d941d74
SHA256

f6be56c62303807d1a66e3336c847124a32ede1820dc852757487183d6dc1fb2
SHA512

8917bbc966de1fb25037a3a755bc2ef245aaf77e9582a78ef4421ee96a20a64e46924e299796afe196a7addfa3f8a5b303e13d27682153fd029967443376f39c
SSDEEP

1536:uVJQvfKBXiJzAFJxod82kKlfGmgiOiV7RV3hjrtpvfXwvDFpL8HZ1eG:DCBXimmh9lfGm/OqRVxjrjfXwLTLCZ1v

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe
4528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 3836	4528	AcroRd32.exe	91
PID 4528 wrote to memory of 3836	4528	AcroRd32.exe	91
PID 4528 wrote to memory of 3836	4528	AcroRd32.exe	91
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 4168	3836	RdrCEF.exe	92
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	RdrCEF.exe	93
PID 3836 wrote to memory of 1748	3836	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\d3d5cc0f78a3342f14b74ffe98b7a4e1.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:4528
- 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:3836
- - 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=FDFBD11141E2D5EE786A9EB8252E129D --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4168
- - 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=CDB532B84B828576775C00BF1B0B2B84 --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=CDB532B84B828576775C00BF1B0B2B84 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1748
- - 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=4CC4AA3215D6DE108FCCB646C07326CA --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2692
- - 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=5FC53CC990E11BF5CB9BB7C6681F5616 --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=5FC53CC990E11BF5CB9BB7C6681F5616 --renderer-client-id=5 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4436
- - 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=13AD1CBA9353E7F6CD224E1D683C1D49 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2044
- - 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=05CB3B0EC12646F6167EF1BFE533EC42 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3644

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4508

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
cfc8828cd119a0901dea45115e23c613

SHA1
8c267d7a1d52023ec1a48758862736c4e3979112

SHA256
09d5c07175f376e328cc28e2632ef3d51270ab6c734c6e11a7bdccc5c01b36d0

SHA512
13816b1d7471bf97df4eeed271ea472a99f6113d666d93608f10eec6519743ee7f2f9d5e31e868a7b4aa2a0dffda7d7691c300339309fac4cd9ebcf3d1a5ef1e

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