c592de342f54c2bda16722d2e3e6d75e13466ade48e3a81c8ddc7e234dc488b4

Analysis

max time kernel
77s
max time network
82s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2024, 03:35

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General

Target

Mischa_Harman_Video_gqicbv_ahqzqvwc.pdf
Size

249KB
MD5

c9e906e30bfa006f00ea3e352d8c403a
SHA1

5956cc76b19468467e8a35433b0fd7065d70f952
SHA256

c592de342f54c2bda16722d2e3e6d75e13466ade48e3a81c8ddc7e234dc488b4
SHA512

53780bc228b7f13a13619b39449780cbec5fc6aa9002e7ec7ee5b332c2d6b7ca5c8f9eacc3306289be9f1a8e5fd0da2846208e390c803ef847aba2a5c50ec87b
SSDEEP

6144:okxfQ2IC9GeA1pmhZBNcMXh3EUPVaJxXLNgeZyeq4j:okxfQ2IC9GeA/mhZAMXCUgJ/Zv9j

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe
4420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 5080	4420	AcroRd32.exe	95
PID 4420 wrote to memory of 5080	4420	AcroRd32.exe	95
PID 4420 wrote to memory of 5080	4420	AcroRd32.exe	95
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 2412	5080	RdrCEF.exe	96
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97
PID 5080 wrote to memory of 3912	5080	RdrCEF.exe	97

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\Mischa_Harman_Video_gqicbv_ahqzqvwc.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:4420
- 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:5080
- - 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=D24883E2B995B2EE766AEDDE92502AA2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2412
- - 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=3D8E18593752BDA24DAFBBD6CC4F4973 --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=3D8E18593752BDA24DAFBBD6CC4F4973 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3912
- - 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=476FCB18FAA583801E912F319E8C0993 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=FFF9823A5FBC5A635DEA2F46C29C59F2 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3904
- - 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=A06A8CB6391AF13F8C13E5CDDDC1D8B5 --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=A06A8CB6391AF13F8C13E5CDDDC1D8B5 --renderer-client-id=6 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3176
- - 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=824C55664C9487B5E65428E099CF7C84 --mojo-platform-channel-handle=2808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3708

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
e1d4f06fd3f6afe42834dd0ab699e461

SHA1
d19eca1afbb38db0dc9c795b60306032599e215f

SHA256
b62aaebffe4b0cc8d641508d95d5016067fbb7672845bfcd7f0970bc3ed44ee9

SHA512
2eb488475c5328da1bfaaa1e4f09788207c8b52f4eb3d04b6a0d8aa10562220acfbc32c62c2d3db05da83da80ebc1c82ed18d0b2e531393a07d365981a150e8b

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