8f8c19de2d6ed8c383ae02329d142e27ac920e4a931f5df98d178e29d8db715f

Analysis

max time kernel
149s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 07:32

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General

Target
d58d69d33975eb6fda5877a7ee46d4e7.pdf
Size 82KB
Sample240319-jc9btsdf46
SHA256 8f8c19de2d6ed8c383ae02329d142e27ac920e4a931f5df98d178e29d8db715f
MD5 d58d69d33975eb6fda5877a7ee46d4e7
SHA1 da9f9e5398a35e4a0c55198d0ca7ff08fda67e28
SHA512 f30db074e2317b8c9271135b85eb3c5f4c1c7daea698d9f03d9c35ccc1381312582fd7de76b5a323a752816341ada1790f983db58fb0d0211e221ec8bdfa555e
SSDEEP 1536:S4gFNU/Zb2Bhtvd6o9ioFFk8IQftETnWftlAXj+D9QxwWyKpA2HVWwnUzSW6xWHD:AisF6moWtETutyCD9letH3nUz76vvg
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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
532	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe
532	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 3752	532	AcroRd32.exe	91
PID 532 wrote to memory of 3752	532	AcroRd32.exe	91
PID 532 wrote to memory of 3752	532	AcroRd32.exe	91
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4524	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94
PID 3752 wrote to memory of 4852	3752	RdrCEF.exe	94

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\d58d69d33975eb6fda5877a7ee46d4e7.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:532
- 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:3752
- - 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=B9E92560C8724BD3BB85D2DCC9AC4CF7 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4524
- - 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=D05C272AE0EC451B965D542FB157CB9F --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=D05C272AE0EC451B965D542FB157CB9F --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4852
- - 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=E4ED67C87E7A7FA98AE036949CEAA1C0 --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=E4ED67C87E7A7FA98AE036949CEAA1C0 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1132
- - 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=C9484B76095D08EFD4BBC73985048905 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1196
- - 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=A7E572E80DF3B346C2916F9877662B42 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:316
- - 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=E3E19E194B245C3A1401D1CC31F5AA7B --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2660

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1464

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 de5c272e96057f245184256ff117597762f6fee359d1b075f95f27fd2dc91e8a
MD5 f9d2c5acee81a616f16887f35077738c
SHA1 fe6047780d21374de48e6e03592481ac20cafd21
SHA512 10e4e0c0a72021d4ee3c73a260073f4e49d2a732ee59fb0a16a1f69b1d28975a642e5a66a62f377f62da2fc2060af0f1948a9b5d4f2de2fc875d352a527a55b5
SSDEEP 384:yeFdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:k+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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