2f997193e33dc2f81a6233808c3b0b1ae1d04b6ca340a90660dbd3d55513155d

Analysis

max time kernel
141s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 10:26

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General

Target
CONVOCATION DU - 03 -.pdf
Size 59KB
Sample240603-mgv7jsce44
SHA256 2f997193e33dc2f81a6233808c3b0b1ae1d04b6ca340a90660dbd3d55513155d
MD5 a381288bd412dfc0209b12144a4d97d4
SHA1 dacd011e06387cbcc44bf4655fa0b11c0d2f9e88
SHA512 889cdc933424104a65e36c167376cdd4a21f062d7c479a3e936204b53951f256820e4118d04c6fe302e27df72d58085f881bfb4d07d58ab4f31d31afe4a74a18
SSDEEP 768:wS92hZFtvX6BkVHS83Xmq19s7s2uTiZ74MVwFNedKiAprFYVttVR17dHd0+H6qSy:Yn08HmqHsEg4Rk9Ru4WRAmfY+RRG/2zA
MD5 SHA1 SHA512 SSDEEP

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3906287020-2915474608-1755617787-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4520	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe
4520	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4520 wrote to memory of 4780	4520	AcroRd32.exe	87
PID 4520 wrote to memory of 4780	4520	AcroRd32.exe	87
PID 4520 wrote to memory of 4780	4520	AcroRd32.exe	87
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 2532	4780	RdrCEF.exe	90
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91
PID 4780 wrote to memory of 3620	4780	RdrCEF.exe	91

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\CONVOCATION DU - 03 -.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:4520
- 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:4780
- - 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=725AC74D11CF26F17CB5368E5F5D1F77 --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=725AC74D11CF26F17CB5368E5F5D1F77 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2532
- - 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=C002BEBCF915EBFEE5E4C9A8DA6A9330 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3620
- - 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=407FC73383164B7E38B0DF4E46B42578 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1568
- - 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=C1DAD9069AE6DE79ACEBF440F45C7891 --mojo-platform-channel-handle=2084 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:900
- - 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=B75BD67FC62EBA32963C654A419739F0 --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=B75BD67FC62EBA32963C654A419739F0 --renderer-client-id=6 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1148
- - 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=89E2FEEDB9F907E7AE97789D523D2ED8 --mojo-platform-channel-handle=2720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2052

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:364

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 26aa5db423034913b6fcb421cbe26aa2d8ed33f075a69b042c58817191eefed2
MD5 dc90b0cb13a4bd44dec0d9ddb2455c82
SHA1 ac3bcbaf1342ef1b0782b18fbef88d60537abe90
SHA512 988cc8f06945e6b6e97972a5de959fadc84df6bb7146ae115e250b1f0dbdd4bfe691f45e2cfe281cbfccb681392a00d6a84446dbfa20b1cfea52e59726823408
SSDEEP 384:yeWdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:l+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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