780c83f5207d7697b9d0f6360c795d3c0d7b601c6d02ffd6c930113807591a04

Analysis

max time kernel
65s
max time network
70s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
19/06/2023, 18:13

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General

Target
counseling-chit.pdf
Size 21KB
Sample230619-wt691sfe36
SHA256 780c83f5207d7697b9d0f6360c795d3c0d7b601c6d02ffd6c930113807591a04
MD5 33c0056bbb5df610f8cf6c9997495aa6
SHA1 2373aaad7dc0de852476e263514ba0ef1de302ef
SHA512 0722bf50533ab00c49f080775f4c26d120da976afc855dae8b465b5078f6c51f1326eda221297e332927dc1c4c1c1e29dd269d0a51867a5870a1bf331ab0f77c
SSDEEP 384:olIbbHf1KJVFa0nejyGgxR5okC41KUlxeKkInIF6d:o6bbHAJLa0neWGgxR5oh4zl7kInIq
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 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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe
892	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 3084	892	AcroRd32.exe	85
PID 892 wrote to memory of 3084	892	AcroRd32.exe	85
PID 892 wrote to memory of 3084	892	AcroRd32.exe	85
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 1900	3084	RdrCEF.exe	86
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87
PID 3084 wrote to memory of 448	3084	RdrCEF.exe	87

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\counseling-chit.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:892
- 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:3084
- - 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=7320204467B635E3554ADF6EFAC1174D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1900
- - 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=C4AEAC34BC599BFB2FA5AFE4317B7590 --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=2 --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=C4AEAC34BC599BFB2FA5AFE4317B7590 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:448
- - 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=083F4BF520C3305BFE299AF3404F37AE --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=2 --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=083F4BF520C3305BFE299AF3404F37AE --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1120
- - 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=02C89A5689DA5956480566070CA04E24 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4056
- - 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=03475605209FF73DBB26F907EDBF2331 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:552
- - 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=3B1CB07255A62AF020C29BB4FFB8AC34 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:828

Network

MITRE ATT&CK Enterprise v6

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 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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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 f8a39c4fdbf5cc9db3b728a5695b209602c5305bf3aca2a47392d0f6d89df2e5
MD5 eaf47464233c27f0abf41f0f2405aa79
SHA1 325f61d46fc192a4ecbdec233b9735d8409f3ea5
SHA512 452592cba6509f789f5b9c05ad904c9156bb2ac47acf998f9c60eea2836b05af203c61df2c7d81d36b2ad0110906698ebb2e0d935485e1863af1039f6b5240e1
SSDEEP 384:yewdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:b+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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