527c2e3b533e0c721f8de0edd244fdee139147323ff1b2dcea0564b5aa13d51d

Analysis

max time kernel
141s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/01/2024, 09:15

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General

Target

7f75bc45033824cc8a933d3d195f2771.pdf
Size

84KB
MD5

7f75bc45033824cc8a933d3d195f2771
SHA1

ebd9554ba7603874330313992c0189512673c8c5
SHA256

527c2e3b533e0c721f8de0edd244fdee139147323ff1b2dcea0564b5aa13d51d
SHA512

0df5b6df9f524356a024fc14764964b74233839b367346386ed3724c0db7172815e5e76394575d27c4701eac375b1249f5949ff04ef08be2ea09d6feb27fce46
SSDEEP

1536:Qjb4azcF6MhV89OEbryCWaVDD0sTAugH3jS3O47/EWM7yMof8ygIRmLWDga7S0r2:ybjzcnE9OEbemBDFkugw7cW7f8621S2

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 4472	4792	AcroRd32.exe	84
PID 4792 wrote to memory of 4472	4792	AcroRd32.exe	84
PID 4792 wrote to memory of 4472	4792	AcroRd32.exe	84
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4692	4472	RdrCEF.exe	85
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86
PID 4472 wrote to memory of 4876	4472	RdrCEF.exe	86

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\7f75bc45033824cc8a933d3d195f2771.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4792
- 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:4472
- - 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=4A448557DAF344115C2B11CD141F3DD5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4692
- - 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=EE51B4C3F7A72A735EE707B307D72ABC --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=EE51B4C3F7A72A735EE707B307D72ABC --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4876
- - 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=47006A45C493CFFE422CC372B4CEE219 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:216
- - 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=A189D9C42B80E60AD51681423DBF728D --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4288
- - 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=C26EC7953FFFAD3E1771DDBFB291E14E --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:736

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
034feece6a4429e72065713d607cb247

SHA1
0a8ccf9ba30f3af5352d7d626fb20dcc30a05793

SHA256
c9029f2b40a04fc2a458faeb083b10c1ca1fe55283ef8b47a3c635020e7a7f9d

SHA512
5622e1dbeea0eb88dd90c591ff0da81309a1f978f6d7cf7beec65a44a367a2f9c7c6e24959cee5b6fdc65f80d8079d9a171186cbe9effbbd56211afa858ef61b

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